SERVICE MANUAL

This set is the Stereoamplif ier section inLBT-V925CD

AEP ModelUK Model

SPECIFICATIONS

Power ampliflerPoweroutput 85W + 85Wat5 % distortionPower consumption 150 WAC outletsDimensions

Weight

2 unswitched. 200 W max.355 x 132 X 335 mm (w/h/d)(14 X 5r l5X 13r lc inches)Approx. 6.7 kg (14lb 13 oz)

GeneralPower requirements 240 V AC, 50 Hz

Design and specifications subject to change without notice.

STEREO POtllER AMPLITIERSONY.

Tit le Page

I . GENERAL1-1 . Func t ion o f Cont ro ls . . . . . . i . . . . . . . . . ' . . . . . . . ' . " . . " . " ' . . " 3

4. DIAGRAMS4-1. Circuit Boards Location .. . ." . ." . ." .5

4-2 . Semiconductors Lead Layout . . . . . . . . . . . ' . . . . . . ' . . . . . ' . . ' 6

4-3 . Pr in ted ' f f i r ing Boards . . . . . . ' . . . ' . . . . ' .7

44 . Schemat ic D iagram. . . . . . . . . . . . . ' . . . . . . . 1 l

MODEL IDENTIFICATION- Specification Labet -

AEP, ltalian Model : AC:22OY-50,/60H2 150W

UK Model : AC : 240V-50, /60H2 150W

TABLE OF CONTENTS

Description

o

M0DEL N0. TA-V925NE

STEREO AMPLIFIER

SAFETY.RELATED COMPONENT WARNINGI I

coMPoNENTS |DÊNTTFTED BY MARK 2[ On OOrreOL|NE W|TH MARK l\ ON THE SCHEMATTC DTAGRAMSAND IN THE PARTS LIST ARE CR]TICAL TO SAFEOPERATION. REPLACE THESE COMPONENTS WITHSONY PARTS WHOSE PART NUMBERS APPEAR ASSHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB.LISHED BY SONY.

-2-

sEcTtoN IGENERAL

Parts ldentification

Power amplifier

iUl powER swtrchEl peax powEn METEREJ ueren RANGE setecror[S'l openlnoN IndtcarorlEl speerens setectorlEl XeaopXONESlack (srereo phone jack)

Note : Fol low the disassemblY

order given.

T F R O N T P A N E L ]

(DC B ias Ad jus tment )

Perform this adjustment when

or ICs of the Power amPlif ier.

Setup :. No signal (No load)

. Minimum volume

Procedure :

1. Connect DC volt meter to

2. Turn on the Power and wait

RT101 (L -CH) and RTlS l

voltage becomes 7mV.

Adjusument Location :

VTVM(DC range) (MA1N boardl

m

sEcTloN 2DISASSEMBLY

proceduro in the numerical

o BVTP3XS

eKNoB--*âà

e) KNoB

sEcrloN 3ELECTRICAL ADJUSTMENTS

rep lac ing the t rans is to rs

the TP.for 3 minutes, then adjust

(R-CH) so that the bias

/ u*,@À

K t l ,F1 \ÈLJ I\ZJ RT1o1 rpi

I

SECTION 4DIAGRAMS

.L l . CIRCUIT BOARDS LOCATION

SPEAKER TEAMINAL (B) BOARD

PT

PT TRANSLATION BOARO

HEADPHONE JACK

SP SW BOARD

METER BOARD

POWER BOARD

SPEAKER TERMINAL (A) BOARO

SURROUND JACK EOARO

PIN JACK BOARO

TRANSISTOR R BOARO

TRANSISTOR L BOARD

MAIN BOARDRELAY BOARD

METER SW BOARD METER SW TRANSLATION BOARD

LEAD LAYOUT

2SC1 841-PA

/hlN

/t\

+2. SEMICONDUCTORS

I

1 SS1 5851 OEzN_,::,-:"

N':#"",u PC1 237H4

V*-eVl-*

30DL4-FC

ï*

l-mu PC1 298V

,'m,a2SA1 34825C3402DTAl 14ES

n:rffi[altl

SLR-34UW5

fr1 SS1 20

lz-tagII

F--

SEL241OE-C

n'""''ft'"^a6& cthode

25A12322SC301 2

t\,'ry'.2S01585-K

N,[{.

. SEMICONDUCTORLOCATION

+3. PRINTED WIRING BOARDS . Refer to page 6 Semiconductor Lead Layouts.

(TRANSISTOR L BOARDI (TRANSTS

Ref. No. Location

rc101tc151rc201rc301tc401rc451

0 1 0 10 1 0 20 1 0 3Ql04o1 510152o1 530154o201o4010402

D1 01D 1 5 lD152D201D202D204D210D3010302D303D304D305D306D402D404D405D406D407D408D409D41 0D411D412D41 3D414D41 5D452D454D455D456D457D458D459D460D461D462

t s - J

E-7F - 9E - 2H - 1 7H - 2 0

B - 3B - 4é - zD - 2B - 8B - 6B - 9

r - éH - 1 8G - 1 9

o-2E - 9F - 9F - 9H - 9t - é

r - 8E - 1 2F * 1 2

I - b

t - 7r - 6t - 7G _ 1 BH - 1 8H - 1 8H - 1 8H - 1 8H - 1 8r - 1 8t - 1 8r - 1 Bt - 1 8G - 1 8G - 1 8H - 1 9G - 1 9H - 1 9H - 1 9H - 1 9H - 1 9H - 1 9r - 19r - 19t - 1 9t - 1 9

Note :

. O-: parts exl racted f rom the componenl s ide'

Jueren swI TRANSLATIONI BOARD

-7 -

15 16 17 18 19 20 2221

S P E A K E R T E R M I N A L ( B ) B O A R D

-qx

__ -,_.d

q

IMETER BOARDI

9

13 24 25 26 27 28 29 30

SPEAKER TERi,| INAL (A) BOARD

lsuRRour{D JAct( BoARD

JACK BOARD

IPOWER BOARDI

l I ÂoFF 0ll

lïorrERl

- t0 -

.14. SCHEMATIC DIAGRAM

1

BOARDI

PIN JACK BOARD i.*lMAIN [-[rnfrI o r o r. 2SDl585

B I A S

I

R It .

m*#S'*c l 0 l

50vD102,404-406sEL22 I oW_D

D404: 1 0 |1298Y

4 0 . 7lt ^!t

R ,5

mPOWER

EPOWER

R I

I

D452,454-15,6SEL22 I OW_D

^!t

c t S l R t 5 2

R T r s l - 4 s

tr-ffia -

R4t I550

r 0 . I

81022SC3402K

LED DRIVE

)

crlo; i!9.st0v

c r 5 3Rr55

I O.- 7 9.-4 S.'t

^ 5 . JL E D D R I V E L - C H

d : . 4 1 0 . 7 . 8 . t . s . 4 t o . 7

' +qr . I l c lo2,4,t..rJ_ +I1.7 D107-412r 6 v 1

1 5 0 v s E L 2 2 t o w _ D

l 2 . l ^ ^ L E D D R t v E R _ C HD r ' r ^ 0 - ^ 8

, r . t , r r r , to .7 9 . - t t , ' ttR2E/.1

9 , t 1 0 . 7 g , I E . 1 l o . 7

C45 f+ +1C152 D4s7 - t 62sEL22 | ow-D

040 |2SA r 318K

LED DRtvE D4 l4

sEL22tow-D| oPERAT | 0Nl

'Lol * ,tptsov | 6,.tu

- i l -

TOR L BOARDI0 l 02

2SC301 2POWER ÀUP

11-aeuayeoARoj- -l

I,* BoARDil

lllaigA

R 1 0 9l 0

r-l"T+

R l l 31 x

R r 2 14 7( /2lll

A * , t ,-1 crse

AMP I

t6

c l 5 7 ;

c , :o I

R l 6 5 3 R l 6 7

arH,i6b.q}æiFia, li

R R BoARpl_ _ __ _l j

I 2V REG

czpr.l * litl. lrr7sôv I I 6 '3v

MAIN BOARD(I/2)I a

-12-

TH-ElopHonefI IJACK BoARDI

ItruRnouNî' l

t-|-l-lJ I

II lsCRouNDlf- SPEAKER It-

l_tF

I

,ncr eolnol

Xen fenfrlrflAftBOARD I

lspeaxen TERMTNALI(A) BOARD

T 301POWER

IRANSFORMER

lpowEn eonnol' I l .

)- -J llE&ry'l[Ér rnnuslarnru aonRol

[meren sttt BoARD

'F302 i '13.!ê!l

- t3 -

. IC BLOCK DIAGRAM

NotE :

. All capacitors arE in u F unless otherwiso noted. pF : u u F

50WV or less arE not indicated exc€pt for elsctrolytics

and lanlalums,. Afl rEsistors are in o and ltW or less unless otherwiso

specified.. Gomponents for right channel havg same values as for left

channel. ReferEncE numbers are codEd from. Æl- : nonflammable râsistor.

. @l : fusible resistor.' fFl : B+ Lins. fB-:l : B_ Line

. Voltagg and waveforms are dc with respect to ground

under no-signal conditions... Voltages are taken with a VOM (input impedancg 10M o)'

VoltagE variations may be notod duE to normal produc-

tion tolerancEs,. Signal path.

c) : LINE

NOTE:o The mechanical parts with no reference

number in the exploded views are notsupplied.

The construction parts of an assembledpart are indicated with a collation num'ber in the remark column.

Items marked "*" aîe not slocked sincethey are seldom required for routineservice. Some delay should be antici'pated when ordering these items.

sEcTloN 5EXPLODED VIEW

UK MODEL-.1

Due to standardization, paris with partnumber suffix -XX and -X may be dif-ferent from the parts specified in thecomponenls used on the set.

Color Indication of Appearance PartsExample:

(REO) . . . KNOB, BALANCE {WHITE}A At ,

Cabinet's Color Parts Color

UK MODEL

The components identif ied bymprk l\ or dotted line wilh mark^\ are-criticâl for safety.HCptace only with pan numberspecif ied.

( 1 )

cNJ3oz I

wlltr

(I

It lII| ( 'l l1 lt \

Q*-æ909

re;\/lEg-tN\iffiiIFi-qio-into

902

,rnot suoolted) )

âi

5

,.-/'u

AEP. ltalian MODEL

supplied witÀcNJl 02 ^'r'frffi

supplied withs401

12t tY

6I

I

N o . Par t No.

*4-928-442-01*3-309-l 44-214-931 - l 69-01

*4-924-52V21

7-685-648-7 97-685-646-7 97 -682-547 -047-682-548-047-682-560-04

Descr i p t i on

KNOB (DIA.2 I ) (METER RANGE)KNOB (SPEAKTRS)PLATE, SHIELDRETNFoRCEMENT (CHASSIS)SCREI,J, TAPPING

PANTL ASSY, IRONTPLATE (LEG) ASSY, ORNAMENTALF ELTBUTTON (P)

J O I N TH O L D E R ( S ) , L E DH O L D E R ( L ) , L E DHOLDER, PC BOARD

scREt, l (cAsE) (M3x8)CASTSHEET, INSULATINGEUSHING (2 . l04) , C0RD

( A E P ) . . . . . . . P A N E 1 , B A C K( u K ) . . . . . . . . P A N E 1 , E A C K( l t a 1 i a n ) . . . P A N E L , B A C K

HEAT SrNK (S)HEAT SINKFOOTCHASS I S

SCREW +BVTP 3X12 TYPEz IT-3SCREW +BVTP 3X8 TYPTz N-SSCREW +BVTT 3X6 (5)sCREl i +BvTT 3X8 (s )SCREW +BVTT 4x6 (S)

Rema rks No. Par t No. Descr i p t i on

c0v tR (D iA. 20) , CAPACTToRCUSH ION( u K ) . . . . L A B t L , C A u T t 0 N ( B A C K )

Rena rk s

PC BOARD, H.P JACKPC BOARD, POWERPC BOARD, I ' IETERMOUNTED PCB, MAIN

PC BOARO, SPEAKER TERMIALPOS I STORPC BOARD, SURROUND JACKPC BOARD, PIN JACK

( A E P , I t a l i a n ) . . . C 0 R D , P 0 W E R(uK) . . . .CORD, Por . lER

HOLDER, FUSE( A E P , I t a l i a n . ) . . . T E R M I N A LJACK (HEAoPHoNES)

( u K ) . . . . . 0 U T L E T , A C( A E P , I t a l i a n ) . . . 0 U T L E T , A C

FUSE, T I } . , IE-LAG (T2.5A)( A E P , l t a l i a n ) . . . F U S E , T I M E - L A G ( T 2 . 5 A )IC UPCI 298VIC UPCl 298VIC M5F78 l 2

S} / ITCH, ROTARY SLIDE (SPEAKERS)st, l l rTcH, R0TARY (METER RANGE)

( u K ) . . . . T R A N S F O R M E R , P o W E R(AËP, I ta l ian) . . . ïRANSFORMER, P0| r lER

I 4-91 6-745-012 4-908-097-213 *4-930-81 9-014 *4-928-458-015 7-621 -849-00

6 X-4917-273-17 X-4917-252-1I 4-928-401-019 4-921 -91 9-01

I 0 *4-928-448-01I 1 *4-928-444-01l2 *4-928-450-01I 3 *4-924-098-21

'l 4 3-704-366-01

| 5 4-91 9-37 9-1 1I 6 4-91 l-232-01t7 *3-703-244-00

I I *4-930-81 5-l I*4-930-81 5-2 1*4-930-8,l 5-31

282930

901902903904

905906907908

909

*4-87 5-455-3 19-91 I -81 5-015 - t u J - u I 9 - l l

*l-628-791-l I* l -631 - l 24-l I* l-628-788-l I*A-4388-805-A

*1-628-794-l II -800-427*00

*1 -6?8-7 9?-1'l*1 -628-793-l I

la. | -f))-/ )u-uuA. I -556-o3s-oo

l 920? 1z z

232425262 7

9l 0 * l-533-21 3-319 l I l -535-476- l IcNJl 02 1-50i-796-7', l

cNJ30aÂ]-526-751-l icNJ30ai-526-794-1 I

F30l &l-532-286-00F302 A,l-532-286-00ICI 0l 8-759-l 09-06ICl sl 8-759-l 09-06IC30l 8-759-604-33

st 0t t-570-366-t Is40 l 1 -571-801- l I

T30 l À .1-449-731- l IT30 l A . l -449-732- l I

NOTE:o Due to standardization, replacements in the parts

llst may be different from the parts specifiÊd inthe diagrams or the components used on the s€t.

. fÎêms marked "t" are not slocked since theyare seldom required for routine service. Somedelay should be anticipeted when ordering theseitems.

. lf there are two or more same circuits in a selsuch as a stereophonic machine, only lypicalcircuit parts may be indicated and capacitors andresistors in other same circuits may be omitted.

R e f . N o . P a r t N o . D e s c r i p t i o n

* l -628-791- l l PC BOARD, H.P JACK*l -631 - l 24-l I PC B0AR0, PoWER*l-628-788-l l PC BoARD, METER

*A-4388-805-A MOUNTED PCB, MAIN*I-628-794-' I I PC BOARD, SPIAKER TERMIALl-800-427-00 P0srsT0R

*1-628-792-1'I PC BOARD, SURROUND JACK*1-628-793- I I PC BOARD, PIN JACK

À l - 5 s s - 7 5 0 - 0 0 ( A E P , t r a l i a n ) . . . c 0 R D , p o r { E RÂ l - 5 5 6 - 0 3 5 - 0 0 ( U K ) . . . . . C O R D , P 0 I E R

910 * l -533-213-31 H0LDER, FUSE9 l I l - 5 3 5 - 4 7 6 - l 1 ( A E P , I t a l i a n ) . . . T E R M I N A L

BP30l * l -535-141-00 BASE poST 22MM ( loMM prTCH) 4p

cl 0l l -124-927-11 ELECT 4.7MFcl03 l- l26-335-l l ELECT 220Mtc l04 l -102-951-00 CERAMIc l5PF

sEcrloN 6ELECTRICAL PARTS LIST

CAPACITORS:MF: pF, PF: p1tF.

RESISTORS. All resistors are in ohms.o F: nonflammable

cotLs. MMH: mH, UH : pH

SEMICONDUCTORSln each case, U: p, for example:U A . . . : p A . . . , U P A . . . : , t P A . . . ,U P C . . . : p P C , U P D . . . : p P D . . .

The cgmponents ldentif ied bymark A or dotted line with mark

1[ are-criticat for safety.Replace only with part numborspecif ied.

50v50v50v

63V63V50v

l 0 %1 0 1r0x

20r20',Ê q

20?,201201

201

20r20120%

2011of l

90.|902903

904905906

907908

909

c303c304c305

c306c307c308

Ref .No. Par t No.

c3r 0 I - l 6l -744-00c40l 1-l 24-589-l Ic402 l- l 26-163-l I

c403 l- l 24-589-l Ic404 l- l 24-925-l Ic45l l- l 24-589-1 I

c452 l-r 26-1 63-l Ic453 l- l 24-589-l Ic454 l- l 24-92s-l I

cN00l * l-562-370-00cN002 *l-564-346-00

cNJl 0l l -565-31 9-31cNJ l 02 l -s07-796-71cNJl 03 l-565-31 9-31

cNJ30zal-526-794-l IcNJ 3o2al -526-7 5l -l I

cNP20l A*l-564-505-l IcNP20l B*l -564-507-l I

cNP2l 0*l -564-505-l IcNP70l * l -564-505-l IcNP702*l -564-507-l I

cNP703' l -564-507-l IcNP803*l -564-339-00

Dl 0l 8-71 9-81 5-85Dl sl 8-71 9-81 5-85Dl 52 8-7' l 9-81 5-85

D20l 8-71 9-91 2-200202 8-71 9-91 2-200204 8-719-200-77

Dzl 0 8-719-200-77D30l 8-719-200-770302 8-719-ZOO-77

D303 8-71 9-230-340304 8-71 9-230-340305 8-7 I 9-230-34

0306 8-71 9-230-340402 8-71 9-900-1 90404 8-71 9-900-1 9

0405 8-71 9-900-1 90406 8-71 9-900-1 9D407 8-71 9-900-1 9

0408 8-71 9-900-1 90409 8-71 9-900-l 9D4l 0 8-71 9-900-1 9

Descr i p t i on

CERAM ICELECTELECÏ

ELECTELECTELECT

EL ECTELECTEL ECÏ

400v20I I 6V?ot 50v

20I l6V201 50v?o% I 6v

0 .01 MF47MF4.7t4F

47Nt2.2t'4F4714F

a 4.7MF 20X 50V4tqt 201" I 6vz.zMF 20r 50V

20I 50V?0% I 0v5T sOV

CONNECTOR, BOARD TO BOARD IBPCONNTCTOR, BOARD 10 BOARD I8P

J A C K , P I N 2 P ( L I N E I N )JACK (HTADPHoNES)JACK, P IN 2P (SURR0UND SPEAKER)

( A E P , I t a l i a n ) . . . 0 U T L E T , A C( u K ) . . . . . 0 U T L E T , A C

PLUG, CONNECTOR 2PPLUG, CONNECTOR 4P

PLUG, CONNECTOR 2PPLUG, CONNECTOR 2PPLUG, CONNTCÏOR 4P

PLUG, CONNECTOR 4PPIN, CONNECTOR 5P

DIoDE I SSI 585DIODE I SSI 585DIODE I SSl 585

DIODT I SSI 20DIODE I SSI 2ODIODE" 1 OE2N

DIODE I OE2NDIODE I OE2NDIODE I OE2N

DIODE 3ODL4+CDIODE 3ODL4-FCDIODE 3ODL4-FC

DIODE 30014-FCDIODE SLR-34UW5DIODE SLR-34ut. l5

DIODE SLR-34UW5DIODE SLR-34U!|5DIODE SLR-34UW5

DIODE SLR-34UW5DIODE SLR-34U}I5OIODE SLR-34UW5

c l 05 l - l 36-1 63-00cl 06 l-1 36-1 59-00cl 07 l- l 36-1 63-00

cl 08 1-12C-572-llcl 09 1-124-57z-tlci l 0 l-1 02-973-00

c l 5 l l - l 24-927- l Ic l 53 l - l 26-335- l Ic l 54 I - l 02-951-00

c l55 I - l36- l63-00cl 56 l- l 36-1 59-00cl 57 I - l 36-1 63-00

cl 58 1-l24-57?-11c l 59 l - l 24-572-1 Icl 60 l- l 02-9i3-00

c20l l-124-927-11c20? I - l 26-1 76-l Ic203 l- l 24-499-l I

c204 l- l 24-443-00c30l I - l 02-394-l Ic302 l- l 02-394-l I

I - l 24-557-l Il - l 26- l 0 l - l 1I - l 25-556-l I

I - l 25-556-1 11-l 30-789-00I -1 64-1 59-t I

MYLARMYLARI'IYLAR

ELECÏELTC]CERAMI C

ELECÏELECÏCERAMI C

MYLARMYLARMYLAR

ELECTEL ECÏCIRAMI C

ELECTELICTELECT

E LECÏCERAM I CCERAMIC

ELECTELECTELECT

ELECTF I L MCTRAMIC

0.06 8MF0.033r"rF0.068MF

I OOMFI OOMFI OOPF

4 . iMF?ZOMFI 5PF

0. 068MF0 .03 3MF0.068MF

I OOMFI OOMFI OOPF

4 . 7MF22snFI M F'I 00MF

0 . 0 1 M F0.01 MF

l000t4FI 0OMt8200MF

820oMFI M F0. I r4F

50v6. 3V50\/

6 ; 3 V250V250V

2 5 Vl 6 V56V

56VI 00v50v

l 0 r101r0%

z0%20rË q

201?or51

63V63V50v

50vl 0 v50v

50v50vs0v

Ref .No. Par t No.

D4l I 8-71 9-900-1 9D4t? 8-71 9-900-1 9D4 l 3 8 -71 9-301-43

041 4 8-71 9-900-1 9D4l 5 8-71 9-91 2-200452 8-71 9-900-1 9

0454 8-71 9-900-1 90455 8-71 9-900-1 9D456 8-7 I 9-900-1 9

0457 8-7 I 9-900-1 90458 8-71 9-900-1 9D459 8-71 9-900-1 9

0460 8-71 9-900-1 90461 8-71 9-900-1 9D462 8-7] 9-900-1 9

D e s c r i p t i o n

DIODE SLR-34UW5DIODE SLR-34U}I5DIODE STL24I OEC

DIODE SLR-34UW5DIODE I SSI 2ODIODE SLR-34UW5

DIODE SLR-34UW5DIOIJI SLR-34UW5DIODE SLR-34U}I5

DIODE SLR-34U}I5D IODE SLR-34UI.I5DIODE SLR-34UW5

DIODE 5LR-34UW5DIODE SLR_34UW5DtoDE SLR-34UW5

IC UPCI 298VIC UPCI 298VIC UPCl 237HA

IC M5F78 l 2IC IR2E44I C I R 2 E 4 4

F30 l À l -532-286-00 FUSE, T IME-LAG (T2.sA)F 3 0 2 Â . 1 - s 3 2 - 2 8 6 - 0 0 ( A E P , l t a l l a n ) . . . F U S E , T I M E - L A G ( T 2 . 5 A )

rcl 0l 8-759-l 09-06tcl 5l 8-759-l 09-06rc20 l 8 -759- l I l -68

IC30l 8-7s9-604-33IC40l 8-759-919-5?tc45l 8-759-919-52

L l 0 l * l -420-872-00Ll 5l * l -420-872-00

Ql0l B-7?9-r07-?6Q] 02 8-7?9-102-57Ql03 8-729-102-47

Ql 04 8-729-l 08-05QI 5r 8-729-107-26ql 52 8-729-102-57

Ql 53 B-729-102-47Ql 54 8-729-1 08-0sQ20l 8-729-806-l o

Q40l 8-729-806-1 oQ402 B-729-806-28

Rl 0l l -247-895-00R1 02 l-249-41 7-l IRl 03 l-249-438-1 I

R l 0 4 l - 2 4 7 - 7 5 1 - l lR l 05 l -249-431- l IRl 06 l-249-493-l l

Rl 07 l-249-423-l IRl 08 I -249-41 9-l IR l09 Â.1-212-857-00

Rl t0 a . l -212-857-00Rl I I l -21 7- l 56-00Rl 1 2 l -21 i - l 56-00

R ] 1 3 1 - 2 4 9 - 4 1 7 - l lR t 1 4 l - 2 4 9 - 4 3 1 - l lRl I 5 1-?47-7?7-11

R l 1 6 l - 2 4 9 - 4 3 8 - l lR l I 7 l - 2 4 1 - 1 2 7 - l lR ' l 18 a . l -215-891- l 1

Rl 20 &l-21 2-974-00Rl2 l À l -212-974-00Rl 5l l -247-895-00Rl 52 l -249-41 7- l I

C O I L , A I RC O I L , A I R

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Nota: The c€mponenq identlfied by mark I or dottedline with mark /\ are critical for safety.Replace only wii6 part number specified.

S t4 ITCH, ROTARY SL IOE (SPEAKERS)s l , l r TcH , PUSH (AC PO l lER) ( l KEY)S I . I I TCH, ROTARY (METTR RANGE)

( A E P , I t â l i a n ) . . . T R A N S F 0 R M t R , P 0 ! i E R(uK) . . . . . TRANSF0RI ' 4ER, P0WER

TERMINAL BOARD (SP) (SPEAKTR A /B )

T TRMI NALTERMI NALTERMINAL

Engl ish89H0247-1

Printed in Japano 1989.8

Pubf ished by A/Y Eng ineer ing Serv ice Dept ,

Sony CorporationAudio Group