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Printed: March 1979 Reprinted: July 1981 TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION DRAWING PACKAGE © 1979

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Page 1: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

Printed: March 1979 Reprinted: July 1981

TRAINING CENTER

B325 SCHEMATIC AND PARTS LOCATION

DRAWING PACKAGE

© 1979

Page 2: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

... ,,,1 -.~\..,.., t''.

~, i':Y79

_,:\ll R iqhts Reserved

Page 3: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

LYNCH COMMUNICATION SYSTEMS INC.

DRAWING NUMBER

325AP01-0l

325AP01A-01

325BR01-0l

325BR51-0l

325CV01-0l

325DP01-0l

325DP02-0l

325DP11-0l

325DP21A-Ol ·

325DP22-01

325EM03-of :

325EM13-01

325ET01-01

TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION

DRAWING PACKAGE

B325 SCHEMATIC AND PARTS LOCATION

DRAWING PACKAGE

ISSUE

6

2

3

2

3

3

4

6

CONTENTS

SHEET(S)

3

3

2

2

3

2

2

2

2

2

3

DRAWING TITLE

Schematic & Parts Location, Type 325AP01 Alarm and Power

Schematic & Parts Location, Type 325AP01A Alarm and Power

·Schematic & Parts Location, Type 325BR01 BRO Channel Unit (Office), 2W, 900.Q

Schematic & Parts Location, Type 325BR5 l BRS Channel Unit (Subscriber), 2W, 900.Q

Schematic & Parts Location, Type 325CV01 Code Converter

Schematic & Parts Location, Type 325DP01 Dial Pulse, Originating Unit

Schematic & Parts Location, Type 325DP02 Dial Pulse, Terminating Unit

Schematic & Parts Location, Type 325DP11 Dial Pulse, Originating Unit

Schematic & Parts Location, Type 325DP21A Dial Pulse, Originating Unit

i

Schematic & Parts Location, Type 325DP22 Dial Pulse, Terminating Unit

. . r ' "• ~ ,-·. ,

Schematic &Parts Location, Type 325EM01 600.Q, 4W, E & M Channel Unit f _,,,. :•;: ~~-~- {~: • ,:'_. - ~:.)t r i Schematic & Parts Location, Type 325EM03 900.Q, 2W, E & M Channel Unit

Schematic & Parts Location, 325E&M, 900.Q ,2-Wire with 4-Wire Access Channel Unit ...

2 '. Schem;itic & Parts Location, Type 325EM13 • 900.Q,2\V, E & M Channel Uiµt ., .. ,,.,,"""''".

Page 4: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

LYNCH COMMUNICATION SYSTEMS INC.

DRAWING NUMBER

325AP01-0l

325AP01A-Ol

325BR01-0l

325BR51-0l

325CV01-0l

325DP01-0l

325DP02-0l

325DP11-0l

325DP21A-Ol

325DP22-0l

325EM01-0l

325EM03-0l

325EM05-0I

325EM13-01

325ET01-0l

TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION

DRAWING PACKAGE

B325 SCHEMATIC AND PARTS LOCATION

DRAWING PACKAGE

CONTENTS

ISSUE SHEET(S) DRAWING TITLE

6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power

2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

3 2 Schematic & Parts Location, Type 325BR01 BRO Channel Unit (Office), 2W, 900.Q

1 2 Schematic & Parts Location, Type 325BR5 l BRS Channel Unit (Subscriber), 2W, 900.Q

2 3 Schematic & Parts Location, Type 325CV01 Code Converter

3 2 Schematic & Parts Location, Type 325DP01 Dial Pulse, Originating Unit

3 2 Schematic & Parts Location, Type 325DP02 Dial Pulse, Terminating Unit

1 2 Schematic & Parts Location, Type 325DP11 Dial Pulse, Originating Unit

1 2 Schematic & Parts Location, Type 325DP21A Dial Pulse, Originating Unit

I 2 Schematic & Parts Location, Type 325DP22 Dial Pulse, Terminating Unit

4 2 Schematic & Parts Location, Type 325EM01 600.Q, 4W, E & M Channel Unit

6 2 Schematic & Parts Location, Type 325EM03 900.Q, 2W, E & M Channel Unit

3 3 Schematic & Parts Location, 325E&M, 900.Q 2-Wire with 4-Wire Access Channel Unit

1 2 Schematis & Parts Location, Type 325EM13 900.Q, 2W, E & M Channel Unit

1 2 Schematic & Parts Location, Type 325ET0I Trunk lW/OG, 900.Q, 2W

Page 5: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

i

~AINING CENTER 25 SCHEMATIC AND PARTS LOCATION

lAWING PACKAGE

LYNCH COMMUNICATION

SYSTEMS INC.

B325 SCHEMATIC AND PARTS LOCATION

DRAWING PACKAGE (Cont.)

CONTENTS

DRAWING NUMBER ISSUE SHEET(S) DRAWING TITLE

325FX01-0l 3 2 Schematic & Parts Location, Type 325FX01 FXS Channel Unit (Subscriber), 2W, 900Q

325FX02-0l 3 2 Schematic & Parts Location, Type 325FX02 FXO Channel Unit (Office), 2W, 900Q

325FX03-01 - - To Be Supplied

325FX04-01 - - To Be Supplied

325MX02-0l 3 5 Schematic & Parts Location, Type 325MX02 D4 Mode II Multiplexer

325PR0I-Ol 2 2 Schematic & Parts Location, Type 325PR01 600S1, 4 Wire PLR Channel Unit

325PY01-0l 1 2 Schematic & Parts Location, Type 325PY01 Semi-postpay Channel Unit (Office), 2W, 900S1

325PY51-0l 1 2 Schematic & Parts Location, Type 325PY5 l Semi-postpay Channel Unit (Subscriber), 2W, 900.Q

325RC01 B-01 l 2 Schematic & Parts Location, Type 325RC01 B RCV Converter

325TA01-0l 1 2 Schematic & Parts Location, Type 325TA01 Test and Alignment Panel

325TA03-0I 4 2 Schematic & Parts Location, Type 325TA03 Test and Alignment Unit

325TC01B-Ol 1 4 Schematic & Parts Location, Type 325TC01B Transmit Converter

325TK0!-01 2 l Schematic & Parts Location, Type 325TK01 Test Kit

325VF0!-01 2 2 Schematic & Parts Location, Type 325VF01 600.Q, 4 Wire, No Sig. Channel Unit

NOTE: Drawings updated July, 1981

Page 6: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

TRAINING CENTER B325 SCHEMATIC A..1-.'D PARTS LOCATIOS DRAWING PACKAGE

LYNCH COMMUNICATION'

SYSTEMS INC.

DRAWING NUMBER

325FX01-0l

325FX02-0l

325FX03-01

325FX04-01

325MX02-0l

325PR01-0l

325PY01-0l

325PY51-0l

325RC01B-01

i

325TA0I -OJ

325TA03-0l

325TC01 B-01

325TK0J-01

325VF0!-01

B325 SCHBI..I.TIC A.MD f~ LOCATION

D~p~r~)

ISSUE SffiETfSJ DRAWING TITLE

3 ~

~tic & Parts Location, Type 325FX01 -?:G Otannel Unit (Subscriber), 2W, 900.Q

3 - !.:.~.:Hie & Parts Location, Type 325FX02 -?ff; Channel Unit (Office), 2W, 900.Q

i

- l - 7-: ~ Supplied

- - l: ~ Supplied

3 :-S:.~tic & Parts Location, Type 325MX02 .

:,,,;. M.-,,fo II Multiplexer

2 . ~dte:;<;.atic & Parts Location, Type 325PR01 -j:ff..,. 4 Wire PLR Channel Unit

l -S::-~:.atic & Parts Location, Type 325PY01 -½--.v,:,r>$tpay Channel Unit (Office), 2W, 900.Q

-::.:.::.e::·.atic & Parts Location, Type 325PY5 l - .

~1--?",stpay Channel Unit (Subscriber), :.; 1/'fJ':J.

. :i:.::~:.a~ic & Parts Location, Type 325RC0J B .

'f;'":; r_r,nverter

-:.~:.atic & Parts Location, Type 325TA01 - .

-:: ':"J. ;;_:,c Alignment Panel

.!. :.::-.. ;-;:-:.a:1c & Parts Location, Type 325TA03 .

-:: ':"..~ i:.".C Alignment Unit

- S::-±:":.atic & Parts Location, Type 325TC0IB -:'.'::;:::.-ir::it Converter

-S:::e:-:.atic & Parts Location, Type 325TK01 --:-1:",;_ Y..:!.

- -S:::e-:-:.atic & Parts Location, Type 325VF01 - -?".ft.; 4 Wire, No Sig. Channel Unit

Page 7: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power
Page 8: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

I

l 5 I 4 I

- --48V ... :.ha··· --- --- --- --- --- --- --- ---TO F2C L172

l I R56 """ 2K 20K

I I

Cl2 C13 RO? n.: +1100

L,,,4.7 2K Q9

D + \t) MPSLOI

K

I ~

I I I

R5" R59' R60

I lM 20K 43K

. ,£; CR25

I IN4005 010

MPSL51 R74 R6I

~ - 3.9K +lc24 3.9K R62

I 680 T4 CR26

I" IW 25\/

T3736 6 oo_v

• 1 ~

T3 c~

I T3725 "" 7 50V

5 I ~ • • CR28

I 50V 011 8 .

MJEl3002

1 ~

C 6 R63 /"C') CR29

L6,

56

1 \.b IW oov

I Cl~ c:~ 2.2 I 3300PF l/2W

I I I

I ~ 2 -• r:· Cl7

13300::,

9

• I ~:. ➔

3 \MJl,'k ► • 56

1 IW

I ►

4 3 10

I 5

I L· ~ •• j,

I B I

I L POWER SUPPLY

--- --- --- --- --- --- --- --- --- ---

I -

I I A

5 I 4 I

.I. 3 I

--- --- --- ---7

I I I I

L4 I L166 leis -12V OUT

lc1a I r r R67

-!- 20K

I C20 C2I 100 100

+Tl6V +Tl6V L5

-. +12V OUT Ll66

I I I I I MIS +5V OUT

+lc22 I LM309 I d-C23

T100 l TIOO I 18V 18V

~ -

I I I

--- ---- --- --- _J

.,. 3

2 I 1 REVISIONS

ISSUE EN NO DESCRIPTION D-'TE

I 19242 FINAL RELEASE 1.-1/.-77

2 19562 R10 WAS !5.1 Kn ANO CRIO WAS J~229B. 4.3V 11/;.,J-n 3 19717 ADDED M17 ,,.,/,u fn 4 19903 ADDED R76 ,CR39 8 015 1/2~-/"7',, 5 22115 C24 WAS "2t:J.r l3-10-n? 6 22061 Cl8 -C23 WAS 20V ,;.3 S'o

NOTES: I. UNLESS OTHERWISE SPECIFIED ALL RESISTANCES IN OHMS, l/4W,

AND ALL CAPACITANCES ARE IN MICROFARADS.

2 . HIGHEST REFERENCE DESIGNATIONS

C25 CR39 I OSI I F3 J3 I K2 I L5 I MIG I 015 R76 S4 / T4 I I I I

REFERENCE DESIGNATIONS OMITTED

Jl,J2 I I I I I I I I I I

3. RELAY Kl SHOWN IDLE (ALARM).

4. RELAY K2 SHOWN IDLE (NORMAL).

5. FOR 10 SEC TRUNK PROCESSING, STRAP J TOK; FOR 2 SEC TRUNK PROCESSING, STRAP J TO H.

6. FOR 285 MS LOCAL ALARM DETECTION, STRAP B TO C, E TO F ANO L TO N •

7. FOR 2 SEC LOCAL ALARM DETECTION , STRAP A TO B, 0 TO E ANO L TO M.

8. SI, S2, S3 ANO S4 SHOWN IN NORMAL STATE.

PARTS LOCATION - SEE SHEET 3

l"AIIT OIi: IDl!HTIFYIHG HO.

Pl

"''· OUK.,

APPROVED

,ti'1J1%, ffei-<'~

ii~ w ~ D I.Ll-.<, ·, f.

~

C

._

B

HOTH I~

LIST OF MATERIALS A rl-==========J~==========.,r:u;-;,;-;u:;:ss;-;o;;,;;;.,:;:,.;;,.;;,~ .. ;;,;::c,;;,.;;,o;:-, t;oo:;,.;;;,~::;,:-;,;,.,:;, -:::--:4:--::-:N:-:;7:7:-7 -;:::: l:;;.._-z;=::;: ,:;-;;;;;;;;;;;;;-----------1

01MEHS10HS A.H 1N 1r,icHU o, ouw,NC, 2 JA ,,_..,,~ LYJl:H alllJNICATD SYSTEMS TOI.EltANCl!:t DECllliALJ•xu OIi.i.WM ■ r ~ ~ lzsJANn • 204 EDISON WAY, RENO, NEVADA

l-------11--------i± AHGLU· ± .o,o ,u<?n!:, CHEC11:t:o •~ j,~1.,r-77 mu: SCHEMATIC 8 PARTS LOCATION

:.,..~~• + ,,.. .... ov.," I A~1[~ ~2ififJR HUT ,UST USll) ON

325APOI MLP

Al"l"LICATIQt,1S

ID IDU11"4GNO,

SCA,Ll!,NONE , ,.,N 325APOI 01 l ;;

J..,.n I ,. 3 ]

2 I 1

Page 9: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

l

I t I I I I

P/0 Pl

+12V

RI IOOI<

D OACIN 2F 30 I---<>--•

C

TCLK 40

B2REMH 32 4

C4 2RRZT-I 28

B 33PF

C5 2RRZT-2 "°

3&PF

~~'{ ... 41

~l,11-t 45

-R 47

~t~{ 56

ONES 58

A ~{ ~ 31

DSGH 39

5

N R23 IOOK NOTES

6 a7 M 02

2N4124

Cl 1.2

CR◄ IN41!51

LOC

015 2N4124

4

9

R37 100

4

+12V

REM

+12V

.,..•---,._' ... ' CU<

LOOP

90 012

J!!, SI

M68 MCl4013

SET RES 8

3

II

I I R41 I 1.2M

3

I L-----'-'_.~-1

L--------- - -----J3-l

+12V

R36 IOK

J3-3

+12V

R40 +12v•-=-.

IOK

R39 IOK

J3-8

3

6 M38 4

CGAc'

2

J3-7

8 R68 R69 • M3C,._10 ____ 1~1 ">.;;....-,'-llli-...+-"""'..,_.---",.,,.,_ _ _,

II

12

IOOK

CRl3 1N4005

Kl

-=-

CR22 IN4151

R52 IOK

R75 ._'IM.,......>--+12V

IOOK

A

OSI

I ALM/CGA I

CR21 IN4005

UNLESS OTHERWISE SPECIFIED,

Ollolt'.NSIOM. 1tllE IM INCHES TOU"AMCU !M oec1--.1..s,

.U lU

± 010 ± .OOIS AHOLES•

O!UG1MAL D"-T£ OF OltAWUtG

-48$8

REVISIONS

DESCRIPTION

R53 4.7K IW

6

II CR23 L.E.O.

MV5353

R54

7'10 2W

F3 !V5A

Kl

1

OATE APPROVED

D

P/0 Pl

51 FORCBSYH

41 FORCIOLH

63 CGAS

5 C }se tN 6

20 }se OUT 22

2 }oe 1N

}Ta OUT

19 }+5V

21

46 }+t2V

48

52 }-12v

12 }oe GNO IN B

14

II }oe GNO OUT 13

Kl

62

NC} 64

VISUAL COM ALARM

66 N.O.

68 N] 10 COM AUOISLf

ALARM

72 N.O.

10 AUXLOCL

A

LYNCH ClltMINCATDI SYS1IMS 204 EDISON WAY, RENO, NEVADA

112° 1--------- Al'l"ttOUO av l-------+-------tllllATf:111AL t..;;,c,;;;;,;:;;;;;;ffi-'---1----,C,::;~';"•,-;::O .. ,,,W::,.:a.-::,o_;;........::.....::...:....:.:....:;_ ____ f'"""=,--4

0 32!1APOI-OI

,._,.,.LtCATIOHI '"I.IT 2 •• 3 6

2 1

i i l ~

t IJ.

l i f: !!.

l I

Page 10: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

I 5

[ 0

r D

• ©~

□: §?

~co :,:: • • v •"i ~· ....

0 Sl

I 0 /"'l~l>:0~ •.__,I,

O"'rci;:n

o~i~ I 0

' □~

C

c.,, Q gJ N

~ (JI

.,, l> 0-o ~o ,,,-2}

C z

I =l Q

I B

I l I I FRONT VIEW

A

5

CR7 !'.

CRB:J'.

4

0

]'.CR6 - --R19

~R21 !'. CR20

F2A <] R~ [>F2B

F2C<] ----R22

4

TEST ONLY

3

----.i- CRI R4

3

-----Rl2

CR3

Rl6 L3

N(lt .0.SSY

Al'~LlC•fl0PO

2

~~ f.D u a: a:

"11 rn Rl5

Ml5

2

+

~ CR27

~ CR26

-,t,! CR28

Pl REF

D

C

B

1

Page 11: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

r l 5 I 4 I ..... 3 I 2 I r 1

' REVlS/ON)

r I I I I I· I I

·•·

I,

I

C: --- --- ---- --- --- --- --- --- --- --- --- ---

7 ,, l'< 'HI :)f )(QI~'. 1CN D•TE J.1'1'11:0VEO

-4 8V IN I ,;.,;,4-1 8 Fl NAL RELEASE _s.1/ --r-'11S _ _,!) TO F?C L172 --- -

I R56 R58 2 ;.;_i l CHANGED R77, R78 VALUE I 7 ' ~ 2K 20K

I I Cl2 Ct3 R57 w +I'oo 4 7 2K 09

D 1 ~-~~- \b MPSLOI

I i D

I '

A G

R55 R59 R60 I I >M 20K 43K

~

": CR25

I \N400'5 010

I MPSL51

R74 R61

~ - 3 9K +lcz• 3 9K

I -R62

I 680 T4 CR26 L4 Jgv ,w r3736

6 50V

:5===== I ~ -12V OUT

• l , leis l.166 1 Cl9

T3 CR27

I I "-'100

T3725 r -r-100 r 7 50V • ~ 16V

5 . ~ R67

-1-20K • • CR28

I 50V ~ fo2a0 C21

I 011 8 T:~~ MJE13002

1 ·TIGV 6

R63 ~) C~29 L5

C

~ l 5=1 - +12vour C \b -

50V L.. 166

I I 4 NOTES

w

Cl6 I UNLESS OTHERWISE SPECIFIEO ALL RESISTANCES IN OHMS, l/4W, f-- AND ALL CAPACITANCES ARE IN MICROFARADS.

2 2 I 330QP> 1/ZW

I I 2

7c ~

2 • HIGHEST REFERENCE DESIGNATIONS

F:·' Cl7 C25 CR41 DSI I F3 I J3 K2 I L5 I MIG I Pl If-- 9

I I I I l 3300P~ -~ I a 15 R79 54 j T4

I CR31 CR:!O REFERENCE DESIGNATIONS OMITTED

3 4 Jl,J2 I I I I

➔ ► • I. MJ~1'foo2 50V I M15 I -. +5V OUT ._

56 LM309 I Jc23 I I I I IV. (4)

+lc22 I

! ► -::-CR33 CR32

l I 3 RELAY Kl SHOWN IDLE ( ALARM l. 4 3 10

roo TIOO 4. RELAY K2 SHOWN IDLE (NORMAL),

16V 16V

I 5 5. FOR 10 SEC TRUNK PROCESSING, STRAP J TOK;

~: ~ I FOR 2 SEC TRUNK PROCESSING, STRAP J TO H.

I 6 FOR 285 MS LOCAL ALARM DETECTION,

•• STRAP B TO C, E TO F AND L TO N •

j,

I 7 FOR 2 SEC LOCAL ALARM DETECT ION,

STRAP A TO B, D TO E AND L TO M.

I 8 SI, 52,53 AND S4 SHOWN IN NORMAL STATE

B B

I L POWER SUPPLY

--- --- --- --- ---- --- --- --- --- --- --- ---- --- ---- _J

- -PARTS LOCATION - SEE SHEET 3

• l

O,• ~ .. ,, J' P&"T

~' ' "' />' '0 .. "' HOTH •~~M .. r•1 (,, ... , ... , ... \, on,c;

A LIST OF MATERIALS A ,._, f", _:h•f'1,.,)l Sf'£'

' " 011rc,,.•,o••t 3·27·80 . r,';.,-,.~- LYNCH ClllMUNICATDI SYSTEMS r ,.., .. , JH\ & "f lH •H< Mf ~ Cl•Oll••'otG

TJllll_."(fS IH Of(l....,.CS

13-27-80 !~ ~; 20• EDISON WAY. RENO, NEVADA

" '" 011••H ll' FG . ,i,,, ''""' 11:111 "I i/:~ T"L( SCHEMATIC a PARTS LOCATION .... (.,!\ .... , '"' ~1-<lC •tO IY

,,;..i I TYPE 325APOIA

, .. i,11,.a, aPPIIO~lO IY ALARM a POWER

-- --- 325APOIA MLP Ot s,c; .. •C 1 ,v, 1 • • •PIIOv&c l'o 1, ..... ,.0 I IUU!

,.l • T •~S• u~f '.l .... 325APOIA-01

,,,.,si.. 2 APPLIC&llOoq

r ,ruL #,PP110v•c --1 v' j l,(:4Lt·NONE I•,~ Utt:tT 1 " 3 I

5 I 4 I 'I" 3 2 l 1

Page 12: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

Q

' II I

II

• I I

• • I I

P/0 Pl r-,

5

+12V

• Cl

4

...:3-1

3 2 RE VIS IONS

"'-PPIIQVf:0

FINAL RELEASE I I ,R;~

J3-7

: I C 7 I

L---------------I_J

D DACIN 2F 35 r,;;K~'

3

~3

R2 -CRI ~-'it-36K IN4J51

3

2

1 M!38 4 1--------1---+---------------+-----1----1D ~-o>-'-'---· .------+---------------,,..--5

=40 Ml7A 0~

I ,-------------~ MCl40[3

C

B

A

LM:3900 R4 z +

.390+< 22K R5

750+< ~

""i2V~ D M6.:l QI

IQ CLK _.] CLK Q~ M2

MCl4040

'!13 .t• ?:4i51 IOOK

9~i:r ~>'9:.,J._,_R;_M--(:J"--D-,

REM "3 MCl4013 c---------------"lCLK ~$3 07 Os 011

16 4 13 J,s i ___ __,_ __ __JL__ ________________ _j_ ___ ,_ __ --1

RB

NOTF:S '~C 391'( 6 a, 7 C2 I 2

ii AO 'jl9 If--13 \ _--,_ ,o I R9 C~2 ~

OOFH 37 1-1-==t=~~~~LM_•_,.,C - -RCKLSH 49 m ./ !OM IN4151 ·1 Ml3A 5

'L_f7 3 4

~6 ...----------rl~S M78 >-"---4

I J3--4

~ S ~IIA,I

l~JR43~K

-12 NOTE 5 1COl<J.

~ID~ 7 H2 -

J:._ES SIT 4 6

MIIE

~

I 6 RIO I l~M3900 '

Ml IC T 22Mi; IR~t Rl4 J T !OM

o OE RI, .... ~-~-,--------+---+----' I ' MIIF

,--------+----__. ,,.--,"'"'"l..__+-1--------..c-'-'-'• ,, NOTES F Z7'0t<

1

I q15 687 0-:-----, CR3 ~

.+-+----JVVv-------~IZl~l3o"----._ IQ 100+< +12v IN.;151 • LOC

"-i2V._L2~.!}.

f- ~l'"o6.-.>--+-+-"~__-M-3A'- 3 5 ")<4'---..Cl~I CU< .... ,.,..,__,_ ______ .__ ___ _,__,.,..,_-"<1dW3 RIB Rl6

IOOK - 15M 1"'-, l/2W

M68 "4118 MC!40l3

SET RES RI? IOOK l REC CLK I ,~ 6"'--';!;.; 021

._, __ __.,-'-11' 1'4 v 36a

+ 5V 4--<>---_J ~ ~v\821

~

+5V

+ \

8 10 @J CR7 ,I;' Mi2A MBA

R20?::-; 2~2 3

360 \::_Y 14 I LED +SV

MV502~

R22 ~\ 8 ~~-360 ·v::.,; ~~---

LOOP

CRB Ml20 M8D

~M3D\12

I ~m

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Page 13: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 14: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 15: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 16: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 17: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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2. HIGHEST REFERENCE DESIGNATIONS

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R2I 536

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R22 IOK

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3.3K

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CR12

C13 4356Pf

Q7 2N2907A

Kl

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o:3 _______ 4'+-+----------------1 W S LEAD

NOTE 4

3

3 Kl

5

R5 620

Cl3

1'

".

325DPII MLP

2

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UNiT0' PAlllOtl o,.f •~ >Of NJ•~ "o+G .. 0

1 · ti~~~~~~:~s~ .J:'.~~;!~~TA!~~sR~J

1~T~':i,~os. C 2. HIGHEST REFERENCE DESIGNATIONS

AIRS C24 CR2 OSI J2 K2 Ml Pl Q7

R36 SI T7

REFERENCE DESIGNATIONS OMITTED

R14

3. SI SHOWN IN BUSY STATE.

4. STRAP I TO 2 FOR ABSENCE OF GROUND SEARCHING. STRAP 2 TO 3 FOR BATTERY SEARCHING.

5. TO BYPASS TIP 8 RING ON THE BUSY SWITCH STRAP T·T ANO R·R.

LIIT OF MUERIALI

KAlt,NONE

1

... DUICl.

u,cn I o, 2

lU ■ ...

B

Page 26: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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C

B

-

A

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5 I

5 I

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OAT[ APl>lfOvEo

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.. ~.... , .. . . .. ,., ,,, ....... , ... LIST OF MATERIALS

.,.,, · , ... , •• ," "' '-" .... , •• , "'' 2-21-10 ~~rI,- LYIICII ClltlMUHICATm S'tSlIMS ~========t=======~ ~u~

1

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4 I ..,. 3 2 I 1

Page 27: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

P/0 Pl

I D K2

Rl.'JG u 3

s I

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5

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R29

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CR5

CRI IN4005 IOV

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80:) K2 3W 13

5

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R32 5 IK

R33 51K

4

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4

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3

NOTE <s

3

2 REVIIIONI

11~? r) FI l'tAL RELEASE

1----+---4---------------+----+-----1D

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T5 PIO T4666 Pl

2

8 TVF

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21100Pf 3790Pf 1%

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10

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ATB

R5 620

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C23

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FG

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1iEALstEc~:~~~TA~~~sR7i

1~ic~~~~os. C 2. HIGHEST REFERENCE DESIGNATIONS

AIRB C25 CR20 OSI J2 K2 Ml Pl Q7

R36 SI T7

REFERENCE DESIGNATIONS OMITTED

3. SI SHOWN IN BUSY STATE.

4. STRAP I TO 2 FOR ABSENCE OF GROUND SEARCHING. STRAP 2 TO 3 FOR BATTERY SEARCHING.

5. TO E>YPASS TIP 8 RING ON THE BUSY SWITCH STRAP T-T ANO R-R,

6. STRAP 4 TO 5 ANO II TO 6 WHEN USING ATB ANO/OR ris~~~a~p ee:16s~· 4 To II ANO I TO 2 WHEN

7. STRAP 7 TQ 8 FOR NORMAL. OFFICE TERMINATIONS. STRAP 7 TO 9 WHEN UNIT TERMINATES INTO ~OAOED CABL.E. STRAP 9 TO 10 WHEN USING EXTERNAL. PRECISION BALANCE NETWORK.

LIST OF MATERIALS

LYNCH CIIIIUIICATD4 SYSTEMS 204 lOIION WAY, RENO, NEV40•

INHT I o, 2

1

B

A

Page 28: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 29: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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// CR5 O

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~

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FINAL RELEASE --l'L,~c.!,O_LI-------- -------

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r-·-

P/0 Pl

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F +12V

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325DP22MLP

2

-·--+--l ---+----1 1

---- D

·-·---r -

NOTES

I UNLfSS QTHERWiSE SPECIFIED ALL RES:ST..:.NCES ARE IN ')!H,'.S, '.',1-i tl ALL C.:.l'.-'ilCiTANCES IN M1CROFARADS

f.(EFERENCE LESIGN;.T!O~~s

~;-rK~'"'' 03 R3t SI

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r I . ·1 , .• c+=r-r : 1 .. :=--1 SI SHOWN IN BUSY STATE

4 ..,.,J BYPA:)$ r:p 8 R f'll.> ~;r,.. T.,[ 8USY ':.WITCH, '.)TRAP T-T Af\;l R-R,

S. FOR STANDARD OFFICE TERMINATION STRAP 4-S. FOR LOADl!D CABLE TERMINATION STRAP 4-6. FOR EXTERNAL PRECISION BALANCE NETWORK STRAP 6•7.

6. FOR EXTERNAL LOOP LESS THAN 400 OHMS STRAP 2•3. FOR EXTERNAL LOOP GREATER Tl1AN 400 OHMS STRAP 1·2.

PARTS LOCATION-SEE SHEET 2

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Page 30: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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NOTES

I UNLfSS OTHERWISE SP~C1~IED All.. RESISTANCES ARE 1"10H,.'.s, I '•'·H ti ALL c:. ... ;:.c:1ANCES IN MICROFARAD$

HIGHEST ~EFERENCE ~ESIGN;:.TtO~>tS

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l i i I i l ' REFERENCE DESIGNATil,N~ UM1TT~

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4 Tt) 8YPA'.:-S r1p 8 Rl~G ~;r,-.., r,,( 8USY :.WITCH, STRAP

5. FOR STANDARD OFFICE TERMINATION STRAP 4-5. FOR LOADED CABLE TERMINATION STRAP ~-6. FOR EXTERNAL PRECISION BALANCE NETWORK STRAP 6·7.

6. FOR EXTERNAL LOOP LESS THAN '400 OHMS STRAP 2·3. FOR EXTERNAL LOOP GREATER THAN 400 OHMS STRAP 1·2.

PARTS LOCATION-SEE SHEET 2

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TYPE 325DP22 DIAL PULSE TERMINATING UNIT >-------325DP22 MLP

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Page 31: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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LOADED CABLE TERMINATION, 4·6.

EXTERNAL PBN., 6-7.

EXTERNAL LOOP LESS THAN 400U, 2·3. EXT. LOOP GREATER THAN 400U, 1-2.

TO BYPASS TIP AND RING ON BUSY

SWITCH, T-T AND R·R.

4 I

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2 I REVI\ION\

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Page 32: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

I~ 1

5 I 4 I .J,. 3 I 2 I 1 REVIIIONI

ISSUE EN NO DE ~CQIPTIO"' I DA,Tf ,._PPQQVEO

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6 Cl4 C\6 Cl 8

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21 IOOPf T 29400Pf T 3788PfT 2. HIGHEST REFERENCE DESIGNATIONS

C T T NOTE 5 C T GND 1 1 Cl9 I CR7 I JG Ki I M2 p I QI

() ~ -ii~ T5 T6 C I RCV\

RI I T4668 ,r T4668 Rl7 I SI \ T6 I T I 20K Rl3

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ON HOOK OFF HOOK STRAP

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A-B

Ml-7 I-WAY INCOMING E-F

M2-7 15 FOR ALARM DURATION. L-M

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Mi-4 IN ALARM UNIT.

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K\ '( PIO 2-WAY OUTGOING T•O FOR ENTIRE ALARM

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NOTE 3 - , - COM ING OPERATOR AT T•O FOR ENTIRE ALARM E-F

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OS/MB V 5.IV FOR ENT IRE ALARM TO MARK E-F

CR3 IN5231B CONTROL OFFICE THAT TRUNK BUSY TO THE M-N

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I UNLESS OTHfRWl~£ ~PECIFIED: g: 1t1::;1~t~ 24 MAY 77 1~~_/,,.111 ~~l~A~~-~ DIMEMSIOHS .\II£ !H 1HC11U

TOLEll.\MCES 1"4 DECIIIIALS:

011 ..... "' n . \ \, ,._- f24 MAYn rn

PARTS LOCATION-SEE SHEET ± ± 010 ± ""'

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± 1/2 0 t ,, .. I

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.. AlElllAL APPIIOYEO l'f soon 4-W E S M CHANNEL UNIT

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APPLICAT101'1S 6•,C., 1 SC"LE, NONE I PIH ,,. I SHU:T I ., 2 I

5 I 4 I ..,.. 3 2 I 1 Ill(

Page 33: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

5 I 4 I ...I, 3 I 2 I 1 REVISIONS

ISSUE E!'W,..O onc•1PT!OH OAT! ..,,.,..0¥"!0

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Cl)

RIO Rl3 --- ID u ... i ➔ .... "' u u .... RCV '° RCV 7 it: u u Kl

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□ v a: 0·1 u

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CR5,.0T0 R□RO OPEh GROUND H-J

□ I I SI

1\ OPEN BATTERY H-K

l f B ' E f.. M TRUNK TYPE OF OJ oc 1 B

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DOD CALLING PARTY CONTROL Do OK 0A

a:

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I - ..._

1 i 1

,,, ..,,,u1c• , ... , OIi Dfi(lll,110'" . .,

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0•01u•1i<;

l°'-fU,MCU IN DIC-LI: ,,,_. l612111 ... o•••"•'

t 010 . "" (M((lf:DIYJ!il/ 1,1,111 f!TU SCHEMATIC a PARTS LOCATION Al<Gt.U ,ucn~

111 O "" I TYPE SHEMOI

•.t,TflllAl &l'~QVIO IY 600tl 4-W E a M CHANNEL UNIT

325EMOI MLP Qf1,CNi1,(l!VITf .. ,PIIO'f'Al l'o I""""' ""325EMOl·OI ,, I .... •ut .un UH0 ON 4 '""*'" ":;~ 1;;:rAl t; ·1(. -17

ICA\.11 NONE I,,,.. 1 ... u2 I "''ltCATtONI --- .. 2

5 I 4 I .,.. 3 2 I 1

Page 34: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

I I 5

P/0 Pl

RING u

I D

TIP T

j I

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B-LEAD s

1! I

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' C

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R SIG (X) K

A

5

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R R

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CR2 IN4005

CRI

IN4005

0

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B

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IRING\

ITiEl

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R5

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T3 T3745

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/"l.:,.i/, 2 19537

3 !9Stl3 4 19826

19899

6 21711

1 REVIIIONI

OESCRIP"TION DATE APPROVED

FINAL RELEASE

REMO/ED RIB, RIO WAS 2.2K S R20 WAS 6.BK 1 REVISED OPT. I CIRCUITRY

Q2 WAS A MPSL51 1 ( • "!, 77

ADO Rl8, STUDS L-M-N, R-R 8 T-T a NOTE 6 i'.· q, 78

REVISED CIRCUITRY 1 4-- Bu ,(J$

'--..C..:.:::..:..---=.:.:.=.._ ______ _._ _____________ ..._ ___ _,_._ ___ __._....._e--iC T GND

'-------------------------+------------------t--i N NI

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K

NOTE 3

PIO SI

R20 8.:.JK

H

iJ

RIB B.2K

1/ZW

R21 IOK

C9 1120Pf

CRl5 lN4151

IE-LEAD! J4 Kl

Cl CR7

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l M-LEADj J3

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IN4005

0 N M L

NOTE 3

3

E

FO

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51

Cl3 4350Pf

PIO SI

D

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R GND

H -12V

w E-LEAD

A T SIG (X)

n-----------< Y M-LEAO

NOTES: UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS, 1/4 W ANO ALL CAPACITANCES IN MICROFARAOS.

2. HIGHEST REFERENCE DESIGNATIONS

C22 CRl5 J4 Kl Ml Pl Q3 R25 SI

T7 VRI

REFERENCE DESIGNATIONS OMITTED

3. E-LEAD OPTIONS

ON HOOK OFF HOOK ~ OPEN GND H-J OPEN BATT. H-K

ESM TRUNK

E El M TRUNK TYPE STRAP

"E" LEAD IS FORCED OPEN A-B I-WAY INCOMING E-F

FOR ALARM OU RAT ION. L-M

"E" LEAD IS FORCED OPEN, I-WAY OUTGOING T•O GROUNDED AFTER OR 2-WAY DIAL *T SECONDS. B-<: SERVICE CALLING * T• 10 SEC. NOM, 2 SEC.

E-D PARTY CONTROL OPTIONAL STRAP OPTION

M-N

IN ALARM UNIT.

'E" LEAD IS FORCED OPEN Al 2-WAY OUTGOING T •O FOR ENTIRE ALARM, DIAL ACCESS IN- MB(OS) LEAD IS GROUNDED A-B COMING OPERATOR AT T•O FOR ENTIRE ALARM E-F DIRECT. TO STEP IDLE INDICATOR M-N

RELAY CHAIN CKT.

"E" LEAD IS FORCED OPEN !ii' 2-WAY SERVICE T•O FOR ENTIRE ALARM.°M

IN COMMON LEAD IS GROUNDED AT T•O A-B FOR ENTIRE ALARM TO MARI< E-F

CONTROL OFFICE THAT TRUNK BUSY TO THE M-N COMMON CONTROL ""°""""""

4. SI SHOWN IN BUSY CONDITION.

5. STRAP R-R El T-T FOR TIP El RING BUSY SWITCH BYPASS.

PARTS LOCATION - SEE SHEET 2

UNIT OF PAIIIT 011 MfAS 10fHTlf'!HG HO

LIST OF MHERIALI

UNLEH OTHEllwaf SPEC!F1EO· O!lol£NSU)NS "-llf IN IM,CHfi TOt.EU,l'ICU 11'1 OEClill,o\U,

LYIICII CIMIUIIICATm SlSTEMS 204 EDISON WAY. RENO, NEVADA

' 1-------4---------1' " ±010 '" ± ""' AMC.LU· FU,CTIOl-ti•

1/2 0 ± 111!.4

SCHEMATIC a PARTS LOCATION TYPE 325EM03

soon 2 W Ea M CHANNEL UN IT DUJCM 4CT1YITY ,1,,,11ovAL

uuo OH 325EM03 MLP so OIA•IMC MO. 325EM03-0I 1-----,-,-.. -,-',,-,-,o-,-,-----tf•;;;,,;;;,.,,-------f,;.,;;;,.;.:,,;;.,;;:,;;,o;;:••"\-,-:;X,-;1-',--:•---:,o-:_:-77:-i-.,-,-"-,~::~4-,-,.---.::::'.:~::: .... =-,.,;.,:l:._o,_2_~

2 1

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Page 35: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

i ;_,

q I

' II I

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r-------------------------10.000 REF. ___________________________ _J

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" a ~ ~

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X I R~ I ? V E-LEAD OPTIONS I y ~A la: BUSY t>-- - ---<] , r ON HOOK OFF HOOK STRAP

I v 7 - R2 T T R R l I I OPEN GROUND H-J I ~ ~y B

□ ls1 CD DI[] N~ : : OPEN E a M BAT;~R~NK TYPE H-K : ~ ~01:*"'c I ::

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,.._ ___ __,. _____ ...J_ r, I' RI ~oii:~ ~ l $TEST/BUSY ........ ;+- CR6 I- WAY INCOMING STRAP A-8, E-F,6 L-M. F --- ,,,,---✓,

..,,... ALL OTHERS STRAP A-8, E-F, 6 M -N ..._ __ __.

P&IPTOJI •Of,.,,,v,,.c,.o

4.462 REF.

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' ::" • 'a:;, Dh•"' e• 'JIK... 76/1/77 ~ e 204 EDISON WAY, RENO. NEVADA

... ~~[~ , ... ,~~OO<S c .. ,c•( 0 ,. l!uJ l,-1-11 T•n• SCHEMATIC a PARTS LOCATION

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6 ,.,,.1.1c,.110,.s so,iNONEI,.,, 1...-n 2 0, 2

4 I 3 2 I 1

Page 36: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

I I D

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T3745 T2

IDROPJ ~ NOTE 5

r-12

I XMT

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R5 910 Al

I 1ml C4 I@@

2.2

I I

I le

RCV

R7 I 600 .n.

3.92K' PAD l/2WI

-48V Zl--------------------...... -----------------t>-------<> K

CGAC X

OS/MB V

SB GNO J

RSIGIX) K

CRB IN~

-=

0 PIO SI

5

CRl2 IOV

IN!1240B

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NO

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NOTE 4

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H Kl

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2

8

9

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.I

R26

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QEII~ 3 XMT PAO FIXED RCV PAO FIX ED

R33

499

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3

RB 112 W 604

C5 0047

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R23 0 F E

470 R25 2K

ll.2dB 73dB

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4

7 R27 1.5K

10

3

2

ISSUE €N NO

·<7"1".: r'=,

208~ 2

3 1.2. 51."

1 REVISION\

DfSC~IPTION

FINAL RELEASE R32 WAS R27 \ R~ WAS R28: R R33 WAS R:SO; R28 --.S R?W:R%7W4SR32; R29 WAS RM1 R30 WAS R33.

TI

b, 2. ~o -rv~ •

T3 T4 r---+--+-------------+---+----tD T4667 T46o6

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f------+-------;•

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PIO Pl

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N NI

p NZ

D RVF

E RCV GNO

+12v

H -I2v

w E-LEAD

A T- SIG(X)

y M-LEAD

UNLESS OTHfRWlSf SPECIFIED·

OIMf.:NSIONS .&ltE IN INCH[$ TOLfllll,l'ICU IN Ol!CIM,t.LS,

!.010 m

±""' ,1,NCUS, 1'11,.CTIONS•

112 o t 1/154

325EM05 MLP

2

NOTES:

01rn;1,u,L OAT£ 01' OIIAWINC

OIIHN If F.B.

2.

UNLESS OTHERWISE SPECIFIED ALL RESISTORS ARE IN OHMS,l/4W AND ALL CAPACITANCES IN MICROFARADS.

HIGHEST REFERENCE DESIGNATIONS

Pl 03 R26 SI

T9

REFERENCE DESIGNATIONS OMITTED

3. SI SHOWN IN BUSY CONDITION.

4.

5.

E- LEAD OPTIONS

ON HOOK OFF HOOK STRAP ~ GND H-J

OPEN BATT H-K

E-LEAD ALARM (CGA) OPTIONS

E-LEAD STRAP

IDLE FOR DURATION OF ALARM. A-B IDLE DURING TRUNK PROCESSING, THEN

8-C BUSY FOR DURATION OF ALARM.

BUSY SWITCH OPTIONS

FUNCTION STRAP

FORWARD BUSY TO FAR ENO M-L DOES NOT FORWARD BUSY TO FAR END M-N OPENS E-LEAD E-F FORCES E-LEAD TO OFF HOOK STATE E-D

OPTION I .2f.I!QtU. PAOSOernS PRCMDED XMT PAO FIXED ll.2dB

3

8

RCV PAO FIXED 52dB

2 R33 1,05K

4 3

7 8

R29 2.05K

10 9

LIST OF MATERIALS

... 499

R34

499 R28

191 R30

91

R31 1.05K

R27 2.05K

HI'. OUIC,

4

7

10

LYNCH CIHIUNICATD4 SlS1DIS 204 EDISON WAY, RENO, NEVADA

SCHEMATIC & PARTS LOCATION 325E&M 900 OHM 2•WIRE WITH 4-WlRE ACCESS

CHANNEL UNIT

O 325EM05-0I

SCALI,- '1N ltfl"IT I Ofl 3, .3 1

C

B

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Page 37: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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5 4 3

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2

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SCHEMATIC 8 P!f.RTS LOCATION 32.5E8M 900 OHM 2-WIRE WITH 4-WIRE ACCESS

CHANNEL UNIT

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Page 38: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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DCRl3 Rl2 ~~?A~ I IJI E €. M TIP 4WIRE

RING ~ ACCESS "'r7 ITE~~~:v " " < "t:hd·

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VIEW A

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1 '"" ,u/11:: <Nf(-IU II ~-,<)-\'l..·lB TIil! SCHEMATIC a PARTS LOCATION

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Page 39: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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I. UNLESS CXliERWISE SPEQFlED ALL RESISTANCES ARE IN OHMS, l/4W. ALL CAR>.CITANCES ARE IN MICROFARAOS.

2. HIGHEST REFERENCE DESIGNATIONS USED

c22lc•rsl J4 I Kl I Ml I Pl I 04 I T7 I VRI I I I 7 I I

REFERENCE DESIGNATIONS o.!ITTEO

I I I I I I I I

i I I I ! . I

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3. M-LEAD OPTIONS

IDLE BUSY STRAP

OPEN BATT S-P

GND BIITT S-f'

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E-LEAD OPTIONS

ON HOOK OFF HOOK ~ OPEN GND H-J OPEN BATT H-K

SI

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D

NOTE 3 "E" LEAD IS FORCED OPEN A-B

I- WAY INCOMING E-F FOR ALARM OURATION L-M

"E" LEAD IS FORCED OPEN,

~~II>----------------~ A T SIG (XI I-WAY OUTGOING T•O GROUNDED AFTER OR 2-WAY DIAL *T SECONDS. B-C

R2 13 K

~- -- , Y M-LEAD

SERVICE CALLING PARTY CONTROL

2-WAY OUTGOING DIAL ACCESS IN-COMING OPERATOR DIRECT.

*T•IO SEC.NOM, 2 SEC. E-D

OPTIONAL STRAP OPTION M-N B

IN ALARM UNIT.

"E" LEAD IS FORCED OPEN Al T•O FOR ENTIRE ALARM, i,lB(OSl LEAD IS GROUNDED A-B AT T•O FOR ENTIRE ALARM E-F TO STEP IDLE INDICATOR M-N RELAY. CHAIN CKT.

U

O~NOTE4

------+--'-"-=""--"E" LEAD IS FORQED OPEN AT T•O FOR ENTIRE ALARM,"MB 2-WAY SERVICE

IN COMMON LEAD IS GROUNDED AT T•O A-B FOR ENTIRE ALARM TO MARI E-F

CONTROL OFFICE THAT TRUNK BUSY TO THE M-N COMMON CONTROL PROCESSOI

4 SI SHOl'IN IN BUSY CONDITION.

5. STRAP R-R B T-T FOR TIP B RING BUSY SWITCH BYPASS.

PARTS LOCATION - SEE SHEET 2

"'" f',', OT><£R•1H ~1'ft'.1flfll

~~'7\".~~~~t~! ;;;c':.~\\

1------+------ .... t(UAI,, •

325EM 13 MLP 1---··-·-' _ .. _ .. _ _. ___ .. _.,_~_----< ,.,u,

2 I .. _1 ............ 1;

""l'..'""-l u .. Tt

..... , 01'1 ,o,,. r,r~ ... ,, ,.o

" , .... ~. 8- 26-80

sjw

... OUIG

!TfM

LYNCH Cl»6llHCATDl SYSTEMS 104 EDISON WAY, RENO, NEVADA

SCHEMATIC S PARTS LOCATION TYPE 325EM,l 3

9000 2 W ES M CHANNEL UNIT

D 325EM13-0I

'"UT I °' 2

1

Page 40: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

5 I

D

-~

E M 2

C '- -

B

A

5 I

4 I ..J. 3 I 2 I REVl)!ON)

------1---:--,--------+-___J_ _ _j

i----+--+-------- - -------+----+---____.j D

i -----'------_ __j___ _______ ____L_..J____j

r-------------------------- 10.000 REF. ___________________ _:_ ________ .J

k 'dEM13 I VeRl3 []!

9- - ~ 0 g;

'-- 2 0 ,.,

wn ~ a.* TIP.__~~! I~ QlluJI I· ~RIO

RING J2 ~ RS ► I

N 0

___ 10 R7 C5

Tl

I

I

11----JI J')..._J Q 2

R II + M-LE~~ lxMrq I ? E-

0L~A~ jRcvq I :

CT] Rl9 I BUSY t>------<] I

I N u

C4

T2

n •

SI [I] [I[] l R~~

□ .___I _ ___JI:~ ~p :of J CQ4 $TEST/BUSY* -- R2 -

4 I

$L R_• :a 11 . 0. 11i 0. .. "' N u u N u u

Rl2 ---

"' u

Rl6

Rl7

"' N ai ~ 1- u : Kl LJQ3 * a: 0 (,J I

R20 C2~Cl9

-+VJ+_y'y E-LEAD OPTIONS M-LEAD OPTIONS I "\7 ~A ,~

ON HOOK OFF HOOK STRAP IDLE BUSY STRAP I T TT TT OPEN~~ --- I I ~YB y OPEN BATT. H·K OPEN BATT. S·P I I J~ I o I

GND BATT. S·P I l 1====::=7"=,======='=o;;;P;,;E;;;N~G;;;N;D~S~-U~I I H I f II C , ,I

E & M TRUNK TYPE IJ. 1 D~ I u l·WAY OUTGOING OR 2-WAY DIAL SERVICE ~ t..::::i., E K I I ._ ___ ... filu_ -u~i~ I CALLING PARTY CNTL. STRAP B-C, D-E, f. ll·N.I ,l. -

~ I-WAY INCOIIING STRAP A·B, E·F, & L·II. F Ll -ALL OTHER STRAP A·B, E·F, f. 11-N. a::

I ii

I ... · I

I

I .. :::.·. I

4.462 REF

. t l

C

B

[====I=---T7.-~~~~-t-:---:---:---------.;'_'._'~' r~o:__• ...'.'."~•~';E~R~•~-~1 ________ JA t------+---____.j • • ,', ..... " • • • -- ...... a-2s-so £~,.1..11 LYNCH CIM1UHICA •• , ,..,.,,•:,: ~-~---,Jw--~1-•.• -.-.• Q--' ~ ,...,; . 204 (OtSON WAY .,~ ~~

3

1------4------ ••. ·;--, ~ ;, "3 I .• SCHEMATIC a PARTS LOCATION TYPE 325EM 13

1-------+----t-:.cc,.-:-:c .. -,-_ ----~ ....... •· 325E

,, , ........... ,... 900n 2 W Ea M CHANNEL UNIT

t----·-· .. _··-·· _,____ .. _, -_ _f",;;;;;, .. ,;;--. _M_l_3

_M_L_P ----4-,.,. _-,-_ ~ • .,~.-.. ____ _j I '6 1, ....... · 325EM 13-01 •••~,r"'' 0 '"' '• • NONEI~.. \~Mfll 2 o, 2

2 I 1

Page 41: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

Tl P

D SBGNO

-~av TALK BATT

RING

-t-12V

C -12v

B

A

PIO Pl

r---

T

J

21

u

-

5

Ina )'

~ ,o

- !_7,11 AIR2

l. -

,oo ), AIRS A!R5 ), 108K 15K

J3

10

'- l'"' 15K

4 AIRI

100 C25

I

4

3

AlR6 CR.3 Rt

15K

8

AIR4

IN4!5~20K _l CR2 ~~SLOI ':"" IN415J -4aVTB

Cl+

~20 63V

15K

9 AIR7 R37

18

- - - - 1

CRI BRIDGE

I I I

.;'. I

'­,-I L _______ ..J

10

Tl T2896

C2 ...... 1.2

3

T2 T3745

I R3

CRl9 IN4l51

R4 \ 150

CR20 IN4151

~ RS R5 5Kl/2W - ➔ CW

3K L I

~~ 10,000Pf ~:MT ONO ~

6 '---4-----<l>-----.... ----=----'=---

e R39 910

l)s ,C,' f~

- 6 -----4. T3

T3745

RCV GND

2 1 REVISIONS

f-----+----+----------------+---+------1D

RS r;:67 ~ ::::;z!T4T6566

~Pl

cs

" 75K 1 ,P'.'l,

~ I/SW

RIO ',QO:CPf 12

,, 2 I 8 TVF

R9 4.32K 68 Ci5 I Ci7 l 1741(

396(:PF l690QPF ~ RII Cl4 Ci6 T Cl8 2.26K

T 211QOPF T 2940QPF _ 379QPF . C TGND

-48VSB R_I~

+1"9Et: I'l~w 8 - t1

7o "49C IO NC 9 +

7

-:- D R38

lc20 430

+ 35V 115

- 5.6V

I CLOCK

lc23 lr1 -1

I R40 y l'OPF T 700 IOM

KHZ ::'.'Q' 39 __ ,

lc24 XTAL

ZOPFjOPT!ONS)

~

~~ A CTI

.._., e'\C_ 0 ....._il. ffi 22 m el IT4 38 oMAiN 37 5i.iAou't 2

WAIT 16 vcc 40

voo ~ vss

-- D

-5.6V

\__y 5.6V 7 0 !N52328

IOK

~~ 2N2222A 2N2222A

~ IOK

·c:v 5 IV

7 D IN5231B

5 J<>-4-<1>----'I ~ D

\/00 POL I-'''--------"''---=--! • 5.6V ~ VSS J-'1~0-----~~-~c...;

AS 23

A9 22

M3 - = ~ITT

9 10

" 5

CLK ~ 13

14

.......----E-

l20

AB Ei vcc

E2 VDD

PRGM M2

6654

vss

~ ::- D

~-5.GV

l

-48VSB ~ Z F CR22

IN4005

RVF

RGND

TS/G

CGAC

-481/S8 1 471314 r--------------+---+---------l ____!_§_ s 21-

34

TPA

Ml

1802

MRO TPB

NO NI N2

m INT

1'· • D

,-11... CR23

25 26

27

l-"-"-------------+-l---------~:-'-~------<i>--l-+--l----+---+--+-+---'i-l--+++---'-__Jl817 1· 5 4 3 2 I

A2 .l ::-o

1.2K

r IK R22

IIK //2W

R31 22K SI o

1N4005 CR!O !N4005

CRl2

N MB

v BA 28

29

30

31

32 15 14

13 12

II

10

9 8 7

33 19 18

17

d_

-5.6V

RIS

A3

A4 -48VS8:\:-!N4005

AS -48VSB I A6

A7 DO 01 02

03

-48VSB

R28

2K,l/2W

CR7 J:7, R24 •I'."':'\ 6 BK ¥ t Kl f, o, ,w

CR26 LED

.f. ' JN4005 rs P ATS

R20 04 Kl

'Kl t -481/S8 _."'V'V'v------l>E-----t--, W TB

OS

06 07

-48VS8 2FC

I§!]

~ya_l3 ~ GRB •,C\

16K C~IJ 3W

!N4005 R32

CR24 C~l4 620

I I

6 STR VDDRIB ----"S"co'-'1 _ __,_, 'It O~ro 0::: 8 t 5RIW21·K'• V '4"21N4005 CB ~---------+-4--1--1-,.._ __ -,___,_,7 AO ffi 2 "

~'.:_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::_-::;:1-::_t~:1-::_-::_-::_-::_-::_~:_-::_~1~'.j:~ ~;98

µ,'•c....-_-_0 ____ ,;:C:::LD:,Oc._ __ --!----1-+-+----+---l---'c:::LO=-, 10 js-LEAD) -48vss ~uEsOY _ 06 l J

TM

RSIGX

C

B

NOTES· > JOOK fil1D

~--+--~'~DATA :~ REV REV ~~11 r:2K29 Q_ -06V ~03: i 2c'S) .(8 3.J"-... C l~;~ 07 -12V

-5SV~ It L~_:_s __ _.~ TSIGO I ~IRE~/82;TI -::\:-~---~-~-~ r~i~: ~40

I. MEMORY ACCESS IN RESTRICTED AREAS MAY CAUSE DATA eus CCNTENTION.

a •. REM. euSY SACK OPTION IS O-E IF UNUSED, E-F MUST BE STRAPPED.

b. CLR HOLD OPTION IS A-B. IF UNUSED , B-C MUST BE STRAPPEll

c. REV. BATT OPTION IS G-H. IF UNUSED, G-1 MUST BE STRAPPED.

3. FOR TEST BATT. ICU: ANO OPEN BUSY STRAP 1-2. FOR TEST BATT IOU: ANO GNO BUSY STRAP 1-3.

4 SI SHOWN IN BUSY POSITION.

5. UNLESS OTHERWISE SPECIFIED, ALL RESISTANCES ARE IN OHMS i/4W AND ALL CAPACITANCES IN MICROFARADS.

CR26

5

l lc22

+ljsv

RST

J 014 voon MB - D

4020

._ ________ o ____ _.:;,o~c-c_K __ v_s_.s 17 -5.61/

FTTF MEMORY MAP

OAFF RESERVED

aooa INPUT PORT 256 BYTES R(3)

RESERVED

OfFF Ef'ROM 512 BYTES

0000

4

IVQB • 2N4033 4 ~p !2

iii ..... ~ j R 34 MPSLOI L.....vv\,- CRl7

~+--------------------__:2:..:'_;_K_-I-__J ~1Yw ~IN-<;"'o_o_,_.,_1_ ..... tc_R_.15._, R

.l toK b - C'\c~1fv 05 iN4005 .__

-=-o [)l~oJS1:v~~~ l_ Gt ( -.......i\MPSLO! R43 -

4avss -48VSB

~ -::-3

a ~ 101< -4evse

~----~3.-, M S 2 TSIGI R7 R44

~-----~•c.. 4503 ~~•n============~CL~O~I ===========~_ ........ __,_ ____ ,_o_K_.... 1/K !OK

R42

7 "'" RSIG ~ll2 W .., 4 COA li-­

-56V~ vss -481/S8

C LEAD

UNLESS OTHER•ISf SPECIFIED:

Dllolf>ISIONS J,lll IN IMCl1U TOLllt"'-"<:UtNOfCIMALl,

0111GIM4!..0A.TE o, OMA.WING 7-30- 79 LYNCH CIIIIUNICATD( SYSTEMS

3

OIUWH 11' F. BUFFO 10-1·79 204 EDISON WAY, RENO, NEVADA

u )(JO(

± .010 ± ODS ,111 ... cT!OHI· CHfCUO IY SCHEMATIC a PAJlTS LOCATION

TYPE 326ETOI ± 11&4

..,,.,.1tovt:o n TRUNK IW/00 900/\ 2W

325 £TOI MLP DESIGN ACTl¥!TT •"l"ltOYAl

HfXT •sn uuo OH '.,;;;;;;-------t,;..;-... ,.;;"-------1--..1.·..':o:!..·.i.. .. _··_ ... _·_··..:3::.2::..::5::..:E:...:r.;o::.:,_-..::o::.:' ___ _j J-_....:__..:_..:_..i..,. _____ ~j ------ ~tlO,l.4,-,.IIOVA,l

... ,,1.1c•rtONS 1',L),,IV, /t)/J7/79 SCALI"•-- >IN-----·IIHftT I 1)jf 2

2 1

.....

-;--------------------------------------------------------------------------,.--------- .~•--·----------

Page 42: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

c.

• 8

-

A

4.462 (REF)

4 I

4 I

3

10.000 (REF)

3

325ETOl-02 325ETOI

NE X" ASSY USED ON

APfl'LlCAT1QNS

t

2 I REVISIONS

ISSUE I EN NO. f CHG. SY I DESCRll'TION I DATE I ...,.,.ROVED

I I I I I

Ol~ENSIONS AAE IN INCHES R.,~ _ _f, COMMUNICATION SYSTEMS INC. TOLERANCES lN DEC1"'4ALS INITIAL DATE ~ W'l'y Reoo. ~ada 89!,(}] /102) f86 40]0

C

-

14-8

A

)()(, )()()( -- -- - ----J.----1===-c=-.=·- =-= ... ,-----C~---C-=-==~======I ~ .010 ~ -~

.A.Nl,LES fAACT1QNS

• 1 ·]O • LS--

MATERIAL

325ETOI MLP FINISH

2

DRA.WN 8Y - - -CHECI( ev

i--- - ---· --

APl"ROVEO

DESIGN ACTI\IITY APPROVAL

FINAL APf>ROVAL

F. B. __ ~~~ me,, SCHEMATIC e. PARTS LOCATION TYPE 325ETOI TRUNK IW / 0G 900.C\ 2W

size I C DRAWING NO.

325ET0I-0I ISSUE

SCALE.

NOi£ .,. I SHEET 2 OF 2

I

Page 43: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

D

TIP

SBGND

RING

C

(-48V) 20Hz

RING GEN

20Hz GND

B -48VSB

A

5

PIO Pl

~JI

Cl

PIO SI

T

NOTE 8

-=- SB GND

u

(NOTE

22 7)

R26 200

I12W

R27 R25 5.6K

14 200 I/2W C2I

15 35V +

P/0 SI

0

-48VSB

R32 5.IK

\\ IW

CRII -I2V IN400S

4

05 MPSLOI R35

24K

CR\2 ---, IN523IB

5.IV

RII 3K

T2 R9 RIO T374r5-'--I _.,,3,,_9,.,o_. ___ _,,I5,.,0,,_..._-'-i

CRl4

IN4I5I

CRl3 IN4I5I

-12V

-48VS8

J3 I RING GROUND!

R37 2K

M3E

11 B

~ @] A (NOTE6l

3 2

Rl7 2.26K

PIO Pl

1 REVIIIONI

l'.:,~UE f"' NO OfKRIPT:ON

)'tl/1~ FINAL RELEASE

2 19545 REMOVED R\2 6 R\I WAS 2 2K

3 19901 REMOVED R3; ADDEO STRAPPING NOTE 8

1----+---+--------------+---+------lo

NOTES:

I UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS, l/4W AND ALL CAPACITANCES ARE IN MICROFARADS

HIGHEST REFERENCE DESIGNATIONS

AIRS I C25 I CR22 J J4 j K2 I M4 I Pl

QB I R49 I S2 I T7 I I I REFERENCE DESIGNATIONS OMITTED

R43 I Rl2 I R3 I I I I I I 7 I I I

SI SHOWN IN BUSY CONDITION.

4. S2 SHOWN IN NORMAL CONDITION.

5. Kl AND K2 SHOWN IN IDLE CONDITION.

6. FOR GROUND START STRAP

C

RING GROUND DET.

I12W

CRl5 IN4005

GROUND! B TO A A ND E TO D FOR 02 B TO C AND E TO H FOR 03

R30 IOK

zl---------------.----------1

-48VSB

LOOP CLOSURE a RING TRIP

5 4

I GROUND I J4

0 PIO SI

R38 I.SK

I RSIG A I CRl7 M3A

R40 IN4l51 R4I 2

I5K 6.2K C24

+ 4.7 15V

10 R D 9 Q

M48 C II 4013

s 8

7 M3C 5

-I2V◄-+--+---~

'o

R45 75K

R46 75K

R44 CR20 C 3 S28 CR21 IOV 0-----~ IN- K RSIG(X)

FOR LOOP START STRAP:

B TO A A ND E TO F FOR 02 B TO C AND E TO F FOR 03

7. CONNECT J TO K FOR LOOPS LONGER THAN 600 (l. CONNECT K TO L FOR LOOPS LESS THAN soon..

B STRAP T-T AND R-R FOR TIP AND RING BUSY SWITCH BYPASS,

B

24K IN4005 [aui-i]

+---------1>---__....,_+_c2~5_._c--lRdl9-<i>---------l----l----------=□=-------1 5240B

X CGAC

L---------------1 17 R SIG CLK 27 IN4005

15V

-I2V

3

u,,ino, P••roit l,lfAS IOfNTlf TING NO "' Ofl!C

ITUI •o.

A r===========~~==========~r.,;;;.-:-:";-;,;--, .;;;,:-;; .. ;-;;.;;:.,,;--;;,.:;:";-;,.;;,.;;,:i7,;;;;;;-:-::--:::-:-:::-:;:;--7r,::::;:;'7J-=::::;:::;;;;;;;;;;;;---:=:--------::-------=-==-; ... ~~~i:_s;~~,•~! ri~c'::":,.~\~ LYIDI CtlWUNl'.ATD SYSTEMS

2

u io 204 £D11ON WAY, AENO, NEVADA I 010 I 00b

"HGl..fl flACllOt,11

117 O ! !/&,I

325FXOI MLP OfllGMACl!VIT'l'olP,IOVAI,.

SCHEMATIC a PARTS LOCATION TYPE 325FXOI

FXS CHANNEL UNIT (SUBSCRIBER) 2W

D 325FXOI -01

1<:.t.u, NONE INlfT I o, 2

1

Page 44: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

I

I

'

D

-

C

B

-

A

4.462 REF.

'

5

RING I IJ2 XMT +

□.., RING ii: GROUND 1

rRcv

GROUND□~ I IJ4

5

"' ex: <.>

f

I

4 I ..I,, 3 I 2 I 1 REVISIONS

,ssu, OHClti,OTION

l-----+---1---------------+---+----1D

10.000 REF.

! <.>

~ "D ~ · 1 ~ i l § ~ ,0 ° • ,0 ~ m ff l ::,

4 I .,.. 3

UfllU:U OTMl!•wtM 1#,CIP'IIO, \-----1--------i D-~ ••r Ill M<NS

TOl,.f11,t,,CUIMNC..l.l1

~---1-------; • .. ... \-----1--------i t A..o4.ll, 1: .010 ,.,.1\,:.

t 1/J • t , .... 11AT1a1A1,.

.,...,._,c,.,10••

2

LIST OF MATERIALS

:~"'::,,:'" a - 16-7 7 11 T..::::::L- LYNCH CIIIIIUl:ATIJII MIBIS et••-..,. o. GRAINGER l,.,a.77 11 -. 21M 101,oN w•v. ,uNo. N1v•o•

CM<cuoo,m,' l,-11-17 ""' SCHEMATIC ll PARTS LOCATION

l TYPE 325FXOI .. ...... " FXS CHANNEL UNIT ISUBSCRIB"'"' 2W goon ... -.., ............. "' I 1·0 , .......... 325Fxo, -o, 1 ....

3 _., 2 .. 2 I ICALf, NONE'""'

I 1

C

B

A

----------------------------------------------------- -----------~-----------------

Page 45: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

PIO Pl P/0

JI~ SI

D TIP T

T T NOTE B

NOTE B R R

P/0 r J2 IRING! SI

RING u K2

I RING GNOJ

I J5 JGROUNDI RI

C 750 5W

SB GNO

-:- SB Gl'V

-4BVSB

-48VSB z

B

+12¥

+12v F

Voo + C\9

tr 35V

C20 15

35V

-12V H

A -12V Vss

5

2

RII Rl3 @!] 3K 5K \/~

T2 RB 390

PIO Pl

2

3

1 REVISIONS

0t:sClt1PTION

f'f'f5' FINAL RELEASE

19!544 REMOVED Rl2 a RII WAS 2.2K

19900 ADO R-R B T·T STUDS B NOTE 8.

T3745 I

CR\ RIG

4.32K 1------+---+--------------+---i----~o

R2 42.2K

R3 42.2K

I LOOP!

Cl .47

R5 910

R36

2.2K

C23 6.8 35V

RG 390 IW

R7 390 IW

Q4 MPSLOI R38

20K

CR\9 , IN5240B

IOV

IN4\51

T3 T3745

CRIS

IN4\51

CR\7 IN4151

C4 \.2

!RINGING)

-12V

-48VSB

R9 910

C5 2.2

J4

R33 \OK

TIP GROUND DETECTOR

CRl3

IN4005

CR\4 IN4005

-12V

RINGING DETECTOR

+ C22 6.8 35V

R32

\OK

CR\\

\N4151 CR\2 l\'14151

R31 36K

R\7 2.26K

XMT GNO L-~~=~-----4 ___________ _.. ____ ._ ___ .._..._4>-1 C TGNO

L----------------------------------+---l N NI

~

R\8 536

R39 13K

J3

[TIP GROUNDJ

D

CR9 IN4005

C21 ~r, R30 430

R\9 6.2K

R34 IOK

CRG

0

IN4\5\

PIO SI

CR5 \N4005

CR8

R21

IOK

2

C9 1I1_9Pf

-12V

A

B §]

C §]

!RSIG A I M3A

R28 2 3

7.5K

!RSIG BI

R29

7.5K

+I2v

-I2V

10

Q R M4B 4013

s 8

-12V

4

Io M4A 4013

6

R22

51

CR3 IN523\B

5.\V

0 RVF

E RGNO

Jo..ll __ _.,R2,.,3,v----<>---I A TS \G ( X) 5.GK

S2A

R26 75K

R27 75K

[NORMAL I [IOLEJ

R24 12K

-12V

QI R25 2N4126 24 K

H>---------l------------------t X CGAC IN4005

-12V

UHLUS OTNfltWll,f SltfClFl(O·

Olll«NIIQld ii.II IIO 1-.:HU TCM..lltAIIICII 1M DfC-.LI, .

f------l~-----i' ..

t .010 ... , ...

•NGLU ,a11.crn:.a, "' 0 t , ....

3~FX02 MLP •xrun l&IOCIN

·---··---·-------------------------··--·--- ----------·---·

NOTES.

,,.,, o, ....

'INALA ... OYAL ,,-,. 1 .'/I

I. UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS, l/4W a ALL CAPACITANCES ARE IN MICROFARAOS.

2. HIGHEST REFERENCE DESIGNATIONS

C23 I CRl9 I J5 I K2 I M4 I p I l 04

R39 I S2 I T7 J I I I REFERENCE DESIGNATIONS OMITTED

Rl2 I I I l l I I I I I I I

3. SI SHOWN IN BUSY CONDITION.

4. S2 SHOWN IN NORMAL CONDITION.

5. KI ANO K2 SHOWN IN IDLE CONDITION.

6. FOR GROUND START STRAP:

B TO A ANO E TO 0 FOR 02 B TO C ANO E TO H FOR 03

FOR LOOP START STRAP:

B TO A ANO E TO F FOR 02 B TO C ANO E TO F FOR 03

7. MAXIMUM DC LOOP RESISTANCE -500 OHMS LOOP MUST BE LAID OUT SYMMETRICALLY.

8. STRAP T-T ANO R·R FOR THE TIP AND RING BUSY SWITCH BYPASS.

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Page 48: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 49: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 50: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 51: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 52: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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NOTES,

UNLESS OTHERWISE SPECIFIED ALL RESISTANCES ARE IN OHMS, 1/4 WATT AND ALL CAPACITANCES ARE IN MICROFARAOS.

2. HIGHEST REFERENCE DESIGNATIONS

CIS I CRS I OSI I J6 I Kl I M2

Q2 I R25 I SI I T6 I I REFERENCE DESIGNATIONS OMITTED

Cl3 I I I I I I I I I I I I

3. STRAPPING OPTIONS :

E·LEAD OPTIONS

~ OFF HOOK STRAP

OPEN GND L·K, M-N OPEN BATT L•J, M-N GND BATT L·J, M-K

M·LEAD OPTIONS

IDLE BUSY ·STRAP

OPEN BATT S-P GND BATT S-P OPEN GND s-o

VF LEVEL OPTIONS

XMT (INPUT) RCV (OUTPUT)

-17 TO -4dBm -17 TO -5.5 dBm STRAP A-B STRAP E-F

-4 TO +8dBm -5.5 TO +BdBm STRAP B-C STRAP E·D

E· LEAD ALARM ( CGA ) OPT IONS

E·LEAD STRAP

IDLE FOR DURATION OF ALARM H·I IDLE DURING TRUNK PROCESSING THEN BUSY FOR DURATION OF AL.ARM H·G

BUSY SWITCH OPTIONS

FUNCTION STRAP

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REMOVE STRAP

OPENS TIP/RING, TIP I/ RING I T,R, Tl, RI

4. SI SHOWN IN BUSY CONDITION.

UNLESS OTMElhllSE SPECIFIED:

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2. HIGHEST REFERENCE DESIGNATIONS

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Page 55: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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·' ... , ·~ :,:; '"' '" •· ·\JV, \ ·, J 1l .• ' ~M11Y:P-rotPARTS LOCATION

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Page 56: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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P/0 Pl

(-48Vl 20 Hz 22

RING GEN

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5

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2. HIGHEST REFERENCE DESIGNATIONS

AIRS C22 CRIS Fl J2 K2 M4 Pl Q7

iRV l R36 51 T7

REFERENCE DESIGNATIONS OMITTED

T3 I

L,.--------------+--------<.,__ _______ .,__,--___ ._ ____ 7

r-'---! E R GN~ 3. SI SHOWN IN BUSY STATE.

OFF HOOK

R30 13K

--=

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PARTS LOCATION-SEE SHEET 2

[ I\ I OF MAT f R ! AL I..

325PY 51•MLP D 325PY51-0I

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2 1

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Page 57: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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Page 58: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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4001 BI()

C 9 JNH 6

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.--+--,'~CLK 2~ 8 MRL

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-=- u;w-J2-B

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.,_t-t-+--+-,~:1DPO , ~~,!!?_ DIS~~

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L.J.---+-J-1-J---+-----l--t--.'l-'11,./"~ "22" _--,.!j CW MIB L....-f-----".C.....--'

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20 ~ Oo D,.r__ 22 ~Ot 9

22 24 ~,k)z CLK:!'---,--<Jt-8

21 28 I r'° 10·~~~ RE~~

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9 ~ • , •r.::::--- -:-8 - :7 I 4-4-L--+--.----=,eu< 0, .... ,-..... ,_ ~•\"' 1 5_4~ ,re~, , _. I•

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4

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4++--~-:--'

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448 M98 - M22 Q t ~ I I -T ....Zo oc~

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5 29 ~2

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Q.J(,-•-.,...,.__l_,5 ~ L_.!:R:!S.!.T.c(,::l/.:_19::_:3!_'.l _______________ --f------,~----r---r-------

M8B

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: : ;~ 4015 ~-4A ~ II M70 :: L---------------------+-----+----r---t---------r-----~

I IO .._ _ __clO'-'r-°"o M•BRE.S ~ \ - I 1 7 ~ / SIG CU< WINO /,/'.M-:'.4:'.8~: .... ----"S:::IGc.:..:FR.:_ ____ __.

, Y------------::-:------------------+----j-r-3'"'~ L":3,A 2 ~ ~""0 l _ _t.__...,,,;.4. ..,o

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FORCBSYH

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BLANKL 63

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DSXIR-2 13

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I o~~~ I >tOH5 11~~ LIST OF MATERIALS

1 19 ~-1-----"'--+----; TYPE 325RCOIB ;=============~==:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::;::j\:::::t::::::::::::::::::::;::::::::::+===============

7 -=~==IS::_::_.t-i---lL--~~~~ '----,---~ Ml "N~•• " RCV CONVERTER ~ ~ ot~"CTIVITT Al"NO"f"6.

TC CU< " CU< SYNC 21 RCKLSH 89

TCLK SIi

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2

NOTES I UNLESS OTHERWISE SPECIFIED ALL RESISTANCES

ARE IN OHMS l/4W AND ALL CAPACITANCES ARE IN MICROFARADS.

2. HIGHEST REFERENCE DESIGNATIOf:jS

C26 I CRI I I J2 I L2 l M45 ! Pl I 04

R41 I T2 I I 1 I I REFERENCE DESIGNATIONS OMITTED

Rl6-Rl8.R21. R24. R26-R28. R32.R36 I

-T .,:::: . .:. -

-~ ..--( V S D

Al I

SCHEMATIC a PARTS LOCATION TYPE 325RCOIB

RCV CONVERTER

1

C

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Page 60: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

I

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1% I¾

A3R2 A3RI 2652 2652 1% 1%

AIR4 AIR3 A2R7 317.1 317.1 69.69

1% 1% 2%

AIR2 A2R5 1394 5235 1% 2%

A3R7 A3R8 A2R3 69.69 69.69 143.1

2% 2% 1%

A3R5 A3R6 A2RI 5235 5235 2652 2% 2% 1%

3

S3B S4A

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A2R2 A5R5 A5R6 A6R5 2652 10436 10436 10436 1% 2% 2% 2%

2

A6R3 A6R8 317.1 34.61

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A6R6 A6RI 10436 1394 2% 1%

A6R4 317. I

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REVIIIONI

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FINAL RELEASE

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REFERENCE DESIGNATIONS 2. HIGHEST J

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RB SB T4

REFERENCE DESIGNATIONS OMITTED R2

3. STRAPPING OPTION: STRAP H-J' M-N.

FOR USE WITH AMP;:~~~•IER, STRAP J-K, L-M. FOR USE WITHOUT

PARTS LOCATION -SEE SHEET 2

3

Page 61: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

5 4

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Page 62: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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P/0 P1

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RMVO FOLARITY FROM C:!4 ON SIU<SCREEN.

4 R2 WAS 1.2K C26

h I KHZ IN ===1:15 6L--f .I C T2

T2898 1----1-----1---------------+---+---;D

! KHZ IN 66f----------•

I KHZ IN !621

• l2V r1o·f---o-c~,-------- ·12V

OB -NDl32I T I I : I CR6 C2 • 12 !4. SG0-6 1 I tl2V

l

, lilfES;~ v'Q TRANSMIT

T

~-------------------------~"'::»,,-------~, I 'M13/ l,r: c" ~ 9

I i I~ - I 17 I ; I CR?

8 BANK -+12 I SIA

~----=1 "(too a, Kl ~---'5"""01 M14 11 C

B DSGH

BANK TWS r A TC L K

BANK 8

.:RCLK

rz TWS

TCLK

~RCLK

A TIC CU< B TIC CLK

I i i I SGD -6 T 3 1 T 2 B98

:ji.~nB~i:1~ I w ~ ~ : ( .

: 1 ~S C22 IQ

I, I : ii C 2 -: :1~ ~::· ;-!i vv

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2 0-3

04 R3I

62

R32 ~ G2

R!4 R:'i:-. 200 Rl6 2. 87<

Rl5 200

56C i'

L2 L3 L5

5 3

L=;;J Lj",_J3 c;:_J ~ C5 C7

l . I L 4 .I

I .~f--~~,. u C, r : i rtt--------------+ ... 1 M13A I 149 ~ ,xo

Ii I

,al NRl lO

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: s 1 7

YO

i67 5

YI 3 I 61 Y2

l2 12 TCLK

I Ml9 z 3,_1~3 ....... _F_R_C_L_K_~ 4519 !

,12v~I4 61 M7

~ 14557 Al!l 9

5112II3l312 111 10

z I r'~'+--T~W~S~-----+--"-1

I Y3

TEST OUT ~0240....02 2

n,3,03

J"'D3 - T/G ..?____....-•12V

MR MR 4

R P/S

~--------;-15 QO DO~ ~7 ~--------'~-l<ll g~ ~ "7] o 15'-;:;6;:::=+::===1=1=::::J-----------7

II ~! Ml6 03 I~ ➔ KJ R ~9 ~----~'~7,c'"'1u•508~ 18 15 o?'"5 0, 10

~----icl9;.iuT o, 20 14 i2 4035 0211 ,12v

,11,~---a-h,<', Q2 ~~2 I Q3 03LZ..Jl",2--+-----+--+------~

12v cw..- ~~i STST io,.1309 PIS Ttc1 \i ~!8, R 39 9 8 7 6 5 4 312 14 r 1512 l<I ~7-~----

4'Vci? n ~2 K :;;: :; l :J ~ .. a,.\!U - ±, 1 ,46 ~I~ 1-1 R20 ~~------,V,..--N',-11 \lltt OA~~i6 'i~~)ut - ♦12V ~51~1--·-:~~51c12 IOt<

C20.j_CR:~~ Cl71 I •!'~o v- v,~"'l-17 i I CIB R45

I a SIC , -r a.2v •~ , T 18[1 110

15 '.I: .,,h 1:1e = c{ 0 0 ~

35V l1N5237 IOK I ~ fl42 R43 l.OV-: ~..........__6 Rl3 '-.... 0::--<

= -12v I•ci'i 2

.87K ,~°.! L- ~ 1\,9 ti<;. o 1 ;,/° 1

~4

i2ov CRI \R,,2 • LY 30pf 12 U-..----+-++-;~_:19.__,~..._1,.,

220 ~ INS!2~(::;\ •f C R

c1s.l+ ~ +.lCI~ \.:..;/ ~t Cl~~ ~~ ~2 I 3;vT IN5230B T 3'sv -12v J M12ar16~--1--, MIi QI ih,..

M2A ~+--+--'1.::5«i3 417?1 D, I f 10 Ml2C Ml2A I Q, ~

iii oo DI

+12V

I• A"9'-+---~ 8

14 R5C R52 >1'!51 R53 22K 22K 22K 22K

7

'

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....li XO M8B Z

4

114 RST 4015

~

Lo la s

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LSB S4

DIGI SWITCH T MSB 53

C C DIGI SWITCH

MSB 40t3Q

[i,~ '

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!c p

I

~----=<2 YO M6 14

t--+---------fl-6.,..,1 7~:053 ~ ;;-f-- IC O 112 < ~ 5 zo 2 ZI

ABC

13

MZO~

17 12 OA B C X 14 I Jo 15 ~-________.!l XI I'-<-+--+-._.

~ YO Y~ ~--------J----------'

I ~7

1 I c ---t ZI 4053

.;..yl z ..:!,_

~- 'N 6 7

138 = i I i

·----~~ ---------

C27 L, R35 30pF - < IOK - ~ --- -- R36

•12-~

0 V 10

IOK -

13 R2I

~ IOK

• 12V f ~ sz 1

3 ----Rl9

10~ ½ ~

4 .. 2

6

3 R34

~~ 9 M4B 10

6 5 I fo o-

MSA 4013

.le R

J.4

,,.:r

0 QI

4

R26 IOK

1 R25 IOK

I 2 4 8 ~3; I 2 R2B IOK

vv

RZ9 R27 I Toi< ~ IOK I

4 12 " 3 L 4 " llcc<3,1,c--3-+---,1 I PO Pl P2 P3 IO I PO Pl P2 P3 _

Y--~e-------.-1PE M9 U/D ~ PE MIO U/0/Q........ -'-------~~'=iR 4516 -: 4516 I .._

~--~'~'iCLK co 7 15 CLK co~"' QO I QZ 03 Cl

lb I 14 2 J.5

~___Ju::::it5 ~l'-14.e...... _____ __,

R Cl

--------,~5

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O•tGlf<Al OH( 0,0•11•1..:;

PA.TOIi •OfHT .. flHGHO

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I. UNLESS OTHERWISE SPECIFIED ALL

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2.

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-----------·---------------------------------- ------------------------------·--------·---------------------------------------------------

Page 63: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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TEST ALIGNMENT UNIT I.''

~---..J-..... ___ _p;;-::-==--=--=-~--f-=':-=~----7--.-,-NONL:D:....EJ-. ____ -.f3~2_5~1~'N)~~~~-~,.0~!-,-, _2

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Page 64: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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rslG

CH I Z2 u CH 8 32

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..-------.e.•c.::::., Jl-4,>-._ __ _j 70 SIG FR

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-- -- ~- -------- 6.l NRZ our Jl-3

I ~+511

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I? Go II Fo 10 Eo

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' 4 Bo

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t' ,. 40

9 36 ~

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4 ' J2 -11

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1

2 ' ,_____l. 3 l ~ 4 7 i------..!. 5 15 r------11 6 !I~

7 9 .....,____!.i

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CH9 4~

I ':,:: : : 3 16 ----.!l. 4 10 -----11 , 12~

CHl6 14___!.1

M4 4051

M6 4051

D

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q,_ A

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o_

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I ( SHT l - 30, 3AJ

_[ C671 C66 l .,,. =. 'T !001

IAUTO ZERO I , .. -12•

R II J3-7

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Rl6 RIO I~ l "•~ IO 470 Clfj ._~~: .. : "" Q l l. . ~'---k"-· I 2 R24 RZO 42 2K C~I ( C!l6J + .._L .. J._kJJ.8

R69 l IOpF 7474 1 ZK _::,:::: J R22 L.... ......L

+r2v ------+----<~-+--_._--+------➔

A

L .!!.._

' "

\, =~19K ) ~~6 a2 s°o115 ...!1.~ g 2 4K IT 42.2."- 3,~IH~t- RJ +c11 1~~5 "--'--1--l-+-+-<Jl-lO

2N2222A CZB M38 R23 C22 ~2

!!IV --r-:~ 2!lv_ .',',_· 1

1

1

2 .__ ___ ~ ,r_ cRat • r.eiK ~·, l __ le a a .... · I 42.2K z - Rl4 i \ ~ ~ ~ A 1 Jl-13

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2 R28 R31 ,-, --~~ R M3A c[ir.J• ~ - ~Q ~10f-+ M5 V\.c

!:'

,,: ~.' ~, 1 .. ., r 2• ,0 o '-l , oAc as l 5 K 78K 3 _.._ ,.4c1~>,1,i1, m..i..i 5 ~A R41 A... +5v

3 7474 + ~ or -~--6---+-+-+-l-------+-.A,,V,.,r--1,-Jv\7\;--.-._--+--C..i...,..- ,~ J !~ -:;-A 101( 2~ ~ f--.--...-:-~ J3 V f-+VA ,- (/0 -

, l_d l • "' ~-,-,,-;':;'e-Y/ ( 1-l,-f-,.--- ~ lc23 " I M~ ''" c~ ;to y " ,2 j'• ""~ ! ~ ~ ~6~, ~o I \G~ .~;.,m S "" "'" c~1l , f~I.. ' • .,.,~, i ~;~ ::Le;'~_: 'Q"o 7 2:

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sv o4-4 l----l---------t-l.-li--.---e---. - ~~• I 12 6 I 91• ~> ,,g lc,.J. C2' lrnlciz •• o-::- -=• 0 ~ ·' J-:-7 ~7 c~

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COMM CLK

CLKSYN.C "

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TCLlit TSUIISCLII

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O•lO.INAIDlllf Of o•••IIOG 1-28-81 I~~----- LYIDI CIIIU«ATD SYSTEMS

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SEE SHT 2 FOR NOTES

2

1-'-"-"-"_o_,_'_.;~/.,_.-'--'6'---__ lf-'1..,_,/1-<-"~-'--l/ "'" SCHEMA~~~E a ~~;~~o~~ATION

I TRANSMIT CONVERTER 111• O•ll•IN1. NO

D 32~TCOIB -01

'"'" I o, 4

1

-::':'--------------------------------------------------------------·---~------~-------+-----------------

D

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Page 65: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

D

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5

]''°;• '0 9 !

J,02-e ,.:_---~1c,

'----~·I Jt02-9 ~ 02

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_:Ll( I

Mll38 4013

4

GO

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Mll08

5 JIOHI

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r IQ J

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M106A 4027

3

o,f''~5--+--------< J,02- 4

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+12v

D

15 D R 14

C -::-M1148 4015

-=-

MIIOD

~ -L

r-----5-f, ~.~-=.," _,__..__ -+--------' +_J --+-----------<3

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-:-D

9 7 C D

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6 R

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I I I II

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1160 o'

,._ _____________________________ 1,1c JIOB-3

TWOCLKH

5 4

4011

JIOl-3

Jl08-4 TCOMOATAT

MtlOC

'-------------------'-- JIQl-4 '~

I I

____ _J

6

0

II C

3

Mll5A

4015 R

IO

S1G FR

JIOS-5

-=- TBITCLKP

0 13

Q

2 REVISIONS

APPQQVEO

f....---~✓"" •• ~ I FINAL RELEASE

NOTES

UNLESS OTHERWISE SPECIFIED ALL RESISTANCE'S ARE IN OHMS 1.14W AN'.:) C,"..PACl':f...NCES ARE l\l ~ICROFARACS

2 HIGHEST REFERENCE DESIGNATIONS

~ CRIO L2 Mll9 JIOB Pl 07

' RIOS I YI

REFERENCE DESIGNATIONS OMITTED

C72-CIOO M38-MIOO J9· JIOO JI03- Jl07

R74-RIOI R 104 -R 106 C50

3. WHEN SYNCHRONIZATION OF TRANSMITTER a RECEIVER ARE DESIRED, STRAP 8-C. WHEN SYNCHRONIZATION IS NOT NEEDED, STRAP A-B.

,r,:-------.,06 7 >>-"'----~ MIi 9 A I

I

I 2 JIOl-2

Mff80>-'11-----'

FR8IT

-=-RIOS IOOK

R!07

1001<

+ 12V

, .. , l\, G',.l ~• \I ',Pf ' H.:

[H•J "\ .) .. ~ •wf ,,. "' '"I, lOd••"'(n ,., DfLl..,.l\

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325TCOIB · MLP

I

I

I L ,_- - - - - -- - j ~ 13

-=-JIOB-2

TSUBSCLR

~ .... :,& .),.,,,,,.,c, .. o

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-=-

l IS T

+12V

'" 111111

OES•C "' OF MA.TfRlALS

L YIQt CllilMUMICAmt SYSmlS 204 EDISON WAY. RENO, NEVADA

SCHEMATIC a PARTS LOCATION TYPE 325TCO 1B

TRANSMIT CONVERTal

o ,. . ., .... 325TCOIB-OI

~CAlt -- ,_ ---- IM((T 2 o, 4

1

D

C

B

A

Page 66: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

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0 0 I 4

325TC0IB

.___ .... IJ4 GROUND

+5V

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Page 67: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

5 4

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RIOS Ml 18 Mll7 Mll3

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CJ □ MiO7 MlO8

CJ CJ Mil I

CJ ~

D Mll2

1

A

VIEW A-A

2 8 -

~ ~ '

t ~

J ...

,l_:8

"3Z5TCOIB

, .... ,,( .. 110•,

---- --- -·- --

r----t----+-------+---+-'------- - ---· --·

Sl5TCOIBI • IILP

---+-1

l- - -----

' . ,_ __ _ - ___ J __

lllO COlillUICATIIII S'tS18S 1u• fU•\Olrt ,. •• .. , .. o .. fY.t.Oa

D

C

B

A

Page 68: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

llflilll""'I

5 I 4 I ..!,. 3 I 2 I 1 REVISIONS

ITEM DESCRIPTION/ PART NUMBER IS»Ut EN NO DOCRIPTION DATE APPRO'lf:0

--- J'lr;,.:,</ .--;/\A:_ ::..· :.·. .:- ·I ~- ,,. !,/:J,,/77 ,~ 2 19716 ADDED ITEM 22 !l- ✓-77 w-"V~

I;~ I---

( I • ~TIP ®- CORD, MINI-TEL PLUG TO DUAL I I ~ ..._____RING

BANANA PLUG, B FEET, TIP a y 7 I r 1 ') ( I RING CONNECTION

D ~SLEEVE

2 REQUIRED D

@-=y ~ TIP CORD, MINI-TEL PLUG TO MINI-I I I 1) RING TEL PLUG, 8 FEET, TIP TO TIP,

7J SLEEVE RING TO RING 2 REQUIRED

-

I ~---L '

1--

TIP @)- CORD, MINI-TEL PLUG TO DUAL

~ ~ v- /

• I TIP PLUG, 18 INCHES, TIP S RING

I CONNECTION --,_, SLEEVE t ) RING 2 REQUIRED

~ RING §-RING • TIP\ 0

ADAPTER, MINI-TEL PLUG TO

TIP 310 TEL PLUG - 2 REQUIRED

C SLEEVE • C SLEEVE

( c----J ®- MINI-TEL OPENING PLUG i ::::,

48 REQUIRED ----

J__~ :::r:::3>--i- @--~ k CORD, DUAL PIN PLUG TO DUAL

. 75 BANANA PLUG , 8 FEET, Tl P El

T- ~-_j_ RING CONNECTION

➔ I REQUIRED 4-

I II

I I

Ir 1- 2 I/ '1

I I

/

B 2/ '2 @- 7A3637 B I I / EXTENDER BOARD FOR COMMON I I EQUIPMENT

I I I I REQUIRED I )-, I

I ,,l,

'r-' ,,, I I I I

' 71 71/ /

71- 72 12) TYPICAL PINS

)12

11. \_ REVERSE SIDE

I - 72

- I 1--

I ,1

I II I/ ' I @-ll

I / 7A3638

1S A I I

,L ,l., EXTENDER BOARD FOR CHANNEL

I I T ,y UNIT I I

'22 I REQUIRED 1

22' I

I I "/ / UMITOf l'Al!T 01! D[lCftrJtTIOH "' NOTU ·~~ I I '" 111("-i IO(Mllfl!HC"'O OUIG

A I I A/ 'A LIST OF MATERIALS A I I I

/

22- Z ..l., )_. UNLEH OTHERWISE ~PEClflfO· g~'t'::;,!UE 6-9-7 7 11- r,_,d,·- ~~.~1!1!-~ fl

\_ T

Olllllt:Hil()H~ Alt[ IH IHCHU

-r TOLUtANCU IH 01!.CU,t,ALI, , .... " ✓,J;J I .:;,9/11 I i 'z

. .. m

I II Z I t ! 010 . "" CHECll!Oll'.lal 1,·J/·11 ""' SCHEMATIC a PARTS LOCATION

RE:ERSE SIDE

/ AMGlH· flilACTIONl·

t 111° t "" I TYPE 325TKOI, TEST KIT 1.U,TU!AL

All'l>IIOllfOl'I'

325TKOI OUICHACTIVITY AJtl"IIOVAL 1·01,. ... ...,., 32sTK01-01 I '""' Mf_XT AHT UUO Ok 2 ,i,usH ,11,1.t,.L APl'IIOVAL

Al'l'LICATJONI ~ KALt,,J-'J'r I P/N 325TKOI Utl!CT I .. I I 5 I 4 I ..,.. 3 2 I 1

Page 69: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

5 4 3

D

R6 75K

P/0 Pl R5 R7 XMT 5.11 K 50K -[ill] cw

T3 T4 T4667 T4666

Tl P T

XMT

RIB RING u 2.26K

C

RCV R 15 - 2.32 K [illJJ CW

RIO P/0 SI J3 604

TIP I R T2 NOTE 3 R16 T3746

51 RII 2.7K 6

RCV I RING 11 CIO .0047

R12 C7 RING I s 768 4350pf J4

6

E-LEAD w PIO SI + 12 V TO TRUNK

B C3 .1

RI 620

E-LEAO p -12 V FROM SF

CR2 I

IN4D05 lo

OS/MB V I PIO SI

CR3 !ti R19 L.E.D.

CGAC X !TEST! 6.BK IW

SB GNO

A

5 4 3

P/0 Pl

B TVF

C T GND

D RVF

E R GND

F + 12V

Cl 15 35V

C2 15 35V

H -12V

z - 48 V SB

2 1 REVISIONS

EN NO OE~CRIPTiON DATE APPROVED

,;)(J;j-fi, FINAL RELEASE

,,. _ _;,,, R6 WAS 39K. - 1-~/ -~-

i----i-----t---------------+---+-----iD

NOTES: I. UNLESS OTHERWISE SPECIF! ED ALL RESISTANCES ARE EXPRESSED

IN OHMS , 1/4 WATT• ANO ALL CAPACITANCES IN MICROFARADS.

2. HIGHEST REFERENCE DESIGNATIONS

CIB I CR3 I M2 I Pl I SI T6 ill19

I I I I REFERENCE DESIGNATIONS OMITTED

I I I I I I I I I I I I

3. VF LEVEL OPTIONS

XMT I INPUT l RCV ( OUTPUT )

-17 TO -4dBm -17 TO -5.5 dBm STRAP A-B STRAP E-F

- 4 TO +BdBm - 5.5 ro +BdBm STRAP B-C STRAP D-E

4 SI SHOWN IN BUSY CONDITION.

UNIT Of ,i11aT 011' 1111!.U lOIHTlfYIHC. NO

UNLEH OTHElfWISE SPECIFIED: 0lld!<t~ION$ Al( IN ll"CHU TOl.flUMCUll•OfCIMI.I,

OIUC.ltul tU,ft o, oa,.•tMC 7/5/78 LYNCH CIIIMUNICATDI SYSTEMS

.I.HC.Lfl

117 O

♦ 010 m

'.,. rll'ACTIOM,·

t 116'1

325VFOI - MLP

2

OU1W,. IV MD£

CHfC•fOIY ~ \·

204 lOISON WAY. AlNO. NEVADA

SCHEMATIC 6 PARTS LOCATION TYPE 325VFOI . . . eoon 4 WIRE NO SIG. CHANNEL UNIT

'o ......... 325VFOI-O I ICALl•NONE PIN

1 2.

C

B

A

Page 70: TRAINING CENTER B325 SCHEMATIC AND PARTS LOCATION … · 6 3 Schematic & Parts Location, Type 325AP01 Alarm and Power 2 3 Schematic & Parts Location, Type 325AP01A Alarm and Power

5 I 4 I ... 3 I 2 I 1 REV 1 SIONS

-, - -· ,;.., ::'Alf APPqQvED

~ -~-·-----

---- ~-- -

D I D

I 10.00 REF - -- ~----------:

'1

- I -I

~ i

IZVFOI -- .

- Tl .,

"' 00 ,_

0 V u u u

<X) u u

' F :~ ,_

l I I I □Ml a::

I 600.0. NO SIG

C .__ ...., 4-WIRE

l C JI

I ITIP N ., ,., ., + "' a:: a:: a:: ~{ )( )c2

Pl

"' u REF er !

XMT 2

0 --- Rl6 '1 uo +

0 I

I IRING XMT I 2 N i er er er M2

I J2 ADJ

1 · 1 :~

4 462

D I I REF

I J.3 R7 ., <X) I

I !TIP I u

➔ er "'

,_ .,___ u u ii: ~

., ., :!: N u u

RCV Rl.3 --- er u l I !RING I RCV I ADJ VF LEVEL OPTIONS I

J4

□ "'

□ ]r'.CR.3 XMT I ~PUT I RCV I OUTPUT I u ii:

u

TEST Ra -17 TO -4 dBm STRAP A-8 -17 TO -5.5d8m STRAP E-F

f □

SI -4 TO+ B dBm STRAP B - C -5.5 TO+ 8 dBm STRAP D - E

B I I B

CR2 -+I- i

l I TEST ~ Rl9 I

I --·-. - -- --------·--·- - - _j__

- -•' I

I

_,. ... . , ... :1, .. ,,., ... "QI!\

,,,., '"'" ·,1 .. ·••-.·.-. Uf\•L .,

A LIST OF MATER! .4 LS A

'' ' .. I "• ,1 • • ' ' ..... •·1 7/5/78 -r,~-;.J,. L'tllCII WIIMUNICATm SYSTEMS ... , .. , ... , ... , ....... , ' ........

'•ht••'"'l1 1,.l•l,< .... \I

MOE \ 7/17/78 .'-I -_, 10,f; EDISON WAY Rf NO. NE\IADA

" ... ........ ~. . ..

~ h-1~-'\B "'" SCHEMATIC a PARTS LOCATION .. ' ..... ,, .... , .. , • f: ~' 0

'" I TYPE 325VFOI ........ ....... •f , .. soon 4 WIRE NO SIG. CHANNEL UNIT .,,,., ... • ............. ,

l'o I'" .. '"'"' 325VF0I-0I I ., .. .325VFOI -MLP . "I•' AH' ,,11t"" ,,.,,, .. ' ... , ... ,.~, .. ,

'"'" 2 " 2 I 2. """'' • ! 'cl .. ~ --- '"' NONE!"

5 I 4 I .,. 3 2 I 1