akai a4162, a4191 dvd player,sm
TRANSCRIPT
Models:A4162
DVD PLAYER
A4191
SERVICE MANUAL
1. The System Block Diagram&the Block’s Function Description
2. Schematic Circuit Diagram
3. Critical Components List
4. IC Date Sheet&IC Description
5. Service Tools and Equipment
1. The System Block Diagram & the Block’s Function Description
DVD System Block
AC to DC
POWERBOARD(TEA1521P)
CONTROL BOARDHD6928+GT60241
DECODE BOARDMTK1389E
LOADER LN9815H2 HITICHI 1200
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MIC INPUT
R & C closed to MT1389E
MUTE
!"#!"
SUB
+12V
+12V
LMAIN1LCH
+12V
RMAIN1
+12V
LCHRCHLSCHRSCHCENTSUB
SUBW1
RSUR1
MIC_IN
AKIN2
MIC_IN
AKIN1
AL LMAIN1
ASUBW SUBW1
AKIN1AKIN2
DV33
VCC
GND
LSCH
+12V
LSUR1
-12V
-12V
-12V
-12V
-12V
MIC_INMUTE_OOK-POINT
+VCC
MICIN
A_MUTE
A_MUTE
A_MUTE
A_MUTE
RSUR1ARS
RSCH
DV33
AL
MUTE_DAC
ARSACENTER
ALSAR
ASUBW
CENTER1ACENTER
LSUR1ALS
RMAIN1AR
VCC
MUTE_O
AKIN2
AKIN1
OK-POINT
A_MUTE
RCH
LCH [4]RCH [4]LSCH [4]RSCH [4]CENT [4]SUB [4]
AKIN1 [2]AKIN2 [2]
DV33[1,2,3]
VCC[1,2,4]
GND[1,2,3,4]
AR[2]
ACENTER[2]ARS[2]
AL[2]
ALS[2]
MUTE_DAC[2]ASUBW[2]
MUTE_O[2]
OK-POINT[2]
VCC
DV33
-12V+12V
-P12V+P12V
+VCC
VCC
C74 100pF
R81 1k
C950.33uF
CB61
0.1uF
R1185.1k
R1265.1k
R143100
+
C79 10uF/16v
+
-
U12B
NJM4558 OPA
5
67
84
+
-
U13A
NJM4558 OPA
3
21
84
C88 0.1uF
+
C66 10uF/16v
R1145.1k
C70 100pF
CB60
0.1uF
+
C80 10uF/16v
R13931k
C65 100pF
R79
4K7
R119100
C93 0.1uF
C89 100pF
Q161
32
+
C67 10uF/16v
R1730
Q1913
2
R11231k
CB57
0.1uF
+
-
U12A
NJM4558 OPA
3
21
84
C78 100pF
+
-
U15B
NJM4558 OPA
5
67
84
+
-
U13B
NJM4558 OPA
5
67
84
CB56
0.1uF
+
C71 10uF/16v
C77
1000pF
R113
10k
R1045.1k
R125
10k
R751K
R127100
J11
6x1 W/HOUSINGHEAD6-100
654321
C94
1000pF
Q72001
1
2
3
Q121
32
R103
10k
R115100
C68
1000pF
R140 100
Q131
32
CB59
0.1uF
R9431k
+
C72 10uF/16v
CB58
0.1uF
C73
1000pF
+
C91 10uF/16v
C83
1000pF
R144 100
R11631k
+
C75 10uF/16v
R172 0
R12231k
+
C92 10uF/16vR141
10k
Q141
32
R117
10k
R107100
R77100
C90
0.33uF
R1425.1k
+
C76 10uF/16v
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
3906C
EB
Note:Video is the high resistance output
$%&'()*+,-./012 Modify3 Value
S-VIDEO
COMPOSIT
G
CVBSR
VB
CENTRSCHLSCH
SUB
LCHRCH
ASPDIF
R
SY R/V
A21
RGB_SWITCH
VCCGND
VB
G
RCH
LCHRSCH
SUBCENT
LSCH
B/U
G/YRCH
COAXIALR/V
LCH
SY SC
CVBSO
+5VV
FS0
CVBS
CVBSO
R/V
SCART_CVBSO
SC B/U
G/Y
B/U
RCH
G/Y
SCART_CVBSO
RGB/CVBS#
ASPECT
LCH
G[2]R[2]CVBS[2]
VB[2]
ASPDIF[2]LCH[5]RCH[5]LSCH[5]RSCH[5]CENT[5]SUB[5]
A21[2]
RGB_SWITCH[2]
VCC[1,2,5]GND[1,2,3,5]
FS0[2]
+5VVVCC
+5VV
+5VV
+5VV
+5VV
+5VV
+5VV
+5VV
+5VV
+5VV
+5VV
D29
1N4148
12
R80
L27 1.8uHL20
10uH
D21
1N4148
12
Q103906
R91150,1%
C105
47P
C57
47P
D28
1N4148
12
L23 1.8uH
D20
1N4148
12
D22
1N4148
12
L28 1.8uH
R76 0/NC
R90150,1%
Q113906
C48
0.1uF
C58
47P
Q63906
Q233906
D27
1N4148
12
R87
P11
VIDEOPORT
21
34
56
78
9
C100
47P
R89 0/NC
D26
1N4148
12
C49
1uF
R78150,1%
D25
1N4148
12
L26 1.8uH
C63
47P
D24
1N4148
12
R84150,1%
C50
47uF/16v
R74
75,1%
R159 0/NC
R88 0/NC
C64
47P
J9
SCART,PH2.0-10A
12345678910
Q83906
C101
47P
P10
RCA-AV6
1
2
345
6
78
9
P8
RCA-AV6
1
2
345
6
78
9
C104
47P
D23
1N4148
12
R82 0/NC
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
16Mb
5V
3.3V
IIC
DRAM
FLASH
FLASH
32Mb
DRAM
BOM 45
A9
A3AD3
A1
A19
A4
AD6
AD1
A17A16
A13A14
AD0A2
A6
A8
A18
AD7A7
AD5
A12
A15
A10
AD2
AD4
A11
A5
A0
DBA1
DQ8
DQ14
MA11
DRAS#
MA2
DQ15
MA5
DQ10
MA4
DQ13
MA8
DBA0
DQM1
DCS#
DQ9
SDCLK
MA9
DQ11
MA3
MA6
DQM0
MA7
MA0
DCAS#DWE#
MA10
SDCKE
DQ12
MA1
A20 AA20
AA21A21
PRD#PWR#
AA20AA21
DQ2
DQ5
DQ1
DQ6
DQ4DQ3
DQ0
DQ7
PCE#
DQ6
DQ11
DQ0
DQ7
DQ3DQ2
DQ5
DQ10
DQ12DQ13
DQ8DQ9
DQ1
DQ15
DQ4
DQ14SDCLKSDCKE
DRAS#
DWE#
DBA1
DCAS#
MA0
MA8
MA1
MA3MA4
MA2
MA5
MA9MA10
MA6MA7
DBA0
DQM1DQM0
SDA
AD[0..7]
DQ[0..15]
SCL
PRD#PWR#
PCE#
GNDSCLSDA
SDA
SCL
SD33
SD33
PCE#
DWE# WE#
DCS#RAS#
DCAS#
CS#DRAS#
CAS#
DBA0 BA0
DCKE
DBA1 BA1
SDCLK
SDCKE
A[0..21]
CAS#RAS#
CS#WE#
MA[0..11]BA[0..1]DQM[0..1]DCLKDCKE
GNDDV33
VCC
DCLK
SD33
DQ[0..15][2]
SCL[2,3]
AD[0..7][2]
SDA[2,3]
PCE#[2]PRD#[2]PWR#[2]
A[0..21][2]
CAS#[2]
WE#[2]CS#[2]
RAS#[2]
MA[0..11][2]
DQM[0..1][2]BA[0..1][2]
DCLK[2]DCKE[2]
DV33[1,2,5]GND[1,2,4,5]
VCC[1]
SD33 [2]
FVCC
SD33
SD33
DV33 SD33
SD33
SD33
FVCC
FVCC
FVCC
FVCC
SD33SD33
SD33DV33 FVCC
VCC
CB490.1uF
R111 0
R85 0
L29 FB
CB40
0.1uF
C10710PF
R61 33
CB520.1uFC0603/SMD
R63 33
CB460.1uF
U7
ESMT M12L16161A-7
1
23
4
56
7
89
10
1112
1314
15161718
1920
21222324
25
26
272829303132
33
3435
36
37
38
3940
41
4243
44
4546
47
4849
50
VCC
DQ0DQ1
VSSQ
DQ2DQ3
VCCQ
DQ4DQ5
VSSQ
DQ6DQ7
VCCQDQML
WECASRASCS
BA/A11A10
A0A1A2A3
VCC
VSS
A4A5A6A7A8A9
NC
CKECLK
DQMH
NC
VCCQ
DQ8DQ9
VSSQ
DQ10DQ11
VCCQ
DQ12DQ13
VSSQ
DQ14DQ15
VSS
+ CE25
47uF/16v
CB510.1uF
U9
IC FLASH MX29LV800 8Mb
25242322212019188
10
28
4716
29313335
7
26
384042443032
14
3639414345
37
2711
9
34
46
6
45
321
4817
12
A0A1A2A3A4A5A6A7A8
A20
OE
BYTEA18
D0D1D2D3
A9
CE
D4D5D6D7D8D9
WP/ACC
D11D12D13D14
D15/A-1
VCC
GND1WE
A19
D10
GND2
A10
A12A11
A13A14A15A16A17
RESET
U8
ESMT M12L64164A/N.CTSOP(II)-54/SMD
1
24
12
57
9
810
46
1113
15
16171819
3522
23242526
14
41
293031323334
36
3738
39
40
43
4244
52
4547
49
48505153
54
2021
3
6
27
28
VCC
DQ0DQ1
VSSQ
DQ2DQ3
VCCQ
DQ4DQ5
VSSQ
DQ6DQ7
DQML
WECASRASCS
A11A10/AP
A0A1A2A3
VCC
VSS
A4A5A6A7A8A9
NC
CKECLK
DQMH
NC
VCCQ
DQ8DQ9
VSSQ
DQ10DQ11
VCCQ
DQ12DQ13DQ14DQ15
VSS
BA0/A13BA1/A12
VCCQ
VSSQ
VCC
VSS
R69 0
R7010k
CB430.1uF
CB480.1uF
R66 NC
CB37
0.1uF
CB29
0.1uF
U11
EEPROM 24C16SOP8/SMD
1234 5
678NC
NCNCGND SDA
SCLWP
VCC
RN1
33x4
1 23 45 67 8
CB450.1uF
CB53
0.1uF
R671k
CB38
0.1uF
CB470.1uF
R68
10k
CB50
0.1uF
R62 33
CB41
0.1uF
CB39
0.1uF
R651k
R60 33
R64 NC
+ CE26
47uF/16v
CB440.1uF
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
IIC
G
VIDEO INTERFACE
C
2SK30182N3904
B
FLASH
AUDIO INTERFACE
33
2SB1132
13
2
EC
1
2
E
MEMORY
1
D
BS
C
C15 closed to Pin189/190
RS-232
Very Importantto reduceNoise
DMSO
PCE#
V1P4
FOSO
TRSO
D
WE#
AD[0..7]
SCL
SP+SL-
B
RAS#
ASPDIF
PRD#PWR#
C
SL+
DCLK
DCKE
FMSO
T-
SP-
A
SDA
CAS#
OP-
B
CS#
BA[0..1]
DQM[0..1]
PWR#PCE#
V20
V1P4
JITFO
ADIN
A5
A11
A19
AD7
V20
LDO1
D
BA0
DCLK
MA11MA9
MA5
AD0
TEZISLV
ADIN
A7
WE#
RAS#
MA6
PCE#
VSC
K
RFV
DD
3
A D6
CS#
A16
A13
A10
FMO
C
OPO
MA7
MA4
OP+
FE
MA3
A6
DMO
V2P8
DQ8
BA1
MA0
DCKE
PRD
#
AD3
V2P8
DQM1
MA1
A1
AD1
A12
FOO
CAS#
MA10
RFV
DD
3
AD2
AD5
A 14
A 9
JITFN
TRO
PWR
#
A20
OP-OPO
OP+
A4
A8
TROPEN
LDO2
A
DAC
VDD
3
A2
A0AD4
A15
RFV
18
MA2
MA8
A3
V1P4
PLLV
DD
3
A17
SDA
MDI1
SP-
SL+SL-
V18
A21
VSD
ASC
L
VST B
RX D
T XD
UR
S T#
IR
DQ12
DQ10
DQ9
DQ2
DQ0
DQ14
DQ1
DQ4
DAC
VDD
3
FSVREF
TRIN
RFV
DD
3
JITF
OJI
TFN
X OX IXT
A LI
PLLVDD3
APLLVDD3
APLL
VDD
3
ADAC
VDD
3
AL A R
R VB
G
CVB
S
MUTE_DAC
STBY
MUTE_DAC
CVBSRGVB
ALAR
DQ
7D
QM
0
DQ
6D
Q5
ASPDIFDACVDD3
ADACVDD3
ADAC
VDD
3
ADVC
MAK
IN2
AKIN
1A A
DV D
D3
A RS
A LS
A CE N
TER
A SU
B W
ALSARSACENTERASUBW
VSTBVSDAVSCK
RFV18
AADVDD3DV33
TRC
LOSE
I/O
RGB_SWITCHA21
URST#VCC
AKIN1AKIN2
IR
DV33GND
DQ3
DQ11
MA[0..11]DQ[0..15]
DQ13
DQ15
TxDRxD
V1P4
V1P4
V1P4
TRIN
LOAD+TROUT
LOAD-
TROUT
LIMITV18
A[0..21]
A18
FS0
FS0
RFVDD3
DACVDD3
RFVDD3
RFV33
RFV33
SD33
MU
TE_O
MUTE_O
SD33
OK-
POIN
T
OK-POINT
RGB_SWITCH
LDO1
MDI1
B
D
V20
A
C
F
MDI2
F-
E
LDO2
RFO
MDI2
STBY
F+
T+
RFO
I/O
LIMITSP+
SDA [3]
PCE# [3]
ASPDIF [4]
SCL [3]
PRD# [3]PWR# [3]
WE# [3]CS# [3]
RAS# [3]CAS# [3]DCKE [3]
DCLK [3]
AD[0..7] [3]
PCE# [3]PWR# [3]
BA[0..1] [3]
DQM[0..1] [3]
CVBS [4]R [4]G [4]VB [4]
AL [5]AR [5]ALS [5]ARS [5]ACENTER [5]ASUBW [5]
VSCK [1]
VSTB [1]VSDA [1]
MUTE_DAC [5]
RGB_SWITCH [4]A21 [4]
URST# [1]VCC [1,4,5]
AKIN2 [5]AKIN1 [5]IR [1]
DV33 [1,3,5]GND [1,3,4,5]
DQ[0..15] [3]MA[0..11] [3]
A[0..21] [3]
FS0 [5]
SD33 [3]
MUTE_O [5]
OK-POINT [5]
I/O [ 1 ]
VCC MO_VCC
MO_VCCMO_VCC
V18
V18
RFV33
V18
DV33
SD33
V18
DV33
ADACVDD3
V18
DV33
DV33
SD33
DV33
DV33
DV33
DV33
DV33
DV33
DV33
VCC
L37 FB
C9
0.1u
F
C15
0.47
uF/N
.C
CB27
0.1uF
C32 1uF
R1784.7
J2
PH2.0-4A
1234
J4
PH2.0-5A12345
TOP
J5
123456789101112131415161718192021222324
2526
CB31
0.1uF
+ EC347uF/16V
CB16
0.1uF
CB20
0.1uF
L31 FB
C30 1uFC29 1uF
+CE36
100uF/16v
+ CE12100uF/16vDC100B
C17
1000
pF
CB24
0.1uF
+
EC2
47uF/16V
R23 1
C7
0.01uF
CB33
0.1uF
R15
64.
7K
C4 2200pF
CB15
0.1uF
R16150k
R26
2K
CB10
0.1uF
+CE16
47uF/6.3v
R58
10k
L38 FB
C27
0.1u
F
C13
1500pFR15150k L10
1.8uH
CB14
0.1uF
C36
0.1uF
R20 NC
+CE19
100uF/16v
R54 10k
C3 390pF
R431
CB640.1uF
C44
150pF
R179 4.7
J15PH2.0-2A
21
R5210k
CB26
0.1uF
Q30
85502
13
U4
1
910
12
32
15
7
1413
21
1920
24
27
6
45
28
8
111718
16
2322
2526
2930
VINFC
PVCC1PGND
VOSL+
CF2CF1
VOTK+
VNFFC
VOFC+VOFC-
PVCC2
PGNDVNFTK
CTK2
BIAS
VOSL
VINSL+VINSL-
STBY
VCC
VOSL-VOLD+VOLD-
VOTK-
VINLDPREGND
CTK1VINTK
G1G2 R5320k
C50.1uF/NC
CB30
0.1uF
C33 1uF
L11 10uHBEAD/SMD/0805
R17
680k
+CE17
47uF/6.3v
C216800pFC0603/SMD
R55 20k
R421
CB17
0.1uF
R177 10
CB22
0.1uF
+CE13
47uF/16v
R11 680k
+CE24
47uF/16v
C109 1uF
+CE15
47uF/16v
CB34
0.1uF
CB18
0.1uF
C43150pF
C108
100NF
R18
15k
C23
0.03
3uF
CB23
0.1uF
CB13
0.1uF
CB28
0.1uF
C34
0.1uF
R451
+ EC1100uF/16V
CB36
0.1uF
C31 1uF
C24
0.04
7uF
CB32
0.1uF
R13
100k
R176 10
L30 10UH
MT1389EPin Assignment v1.4
U3MT1389ELQFP216/SMD
2
210
345
1
212
213
6789
1011121314151617181920212223
216
2827
3029
3231
43
2625
33343536
4241
45
3940
46
3837
65646261605 958
52
81777655 7 473727 163 8 3
5354
7057 827566 68 806 95 6 67 8 4 8 5 8 6 8 7 88 8 9 90 91 9 2 9 3 9 4 9 5 106
9 6 97
2 04
205
98 9 9 1 00
101
102
103
104
1 05
1 07
108
162161160159158157156155154153152151150149148147146145144143142141140139
137138
136135134133132131130129128
126127
125124123122121120
118119
117116115114113
111112
110109
209
215
24
214
191
189
198
197
2 08
2 07
196
211
2 06
203
2 01
202
200
1 99
1 94
195
1 92
184
1 85
182
181
180
1 79
1 86
178
177
1 75
173
174
1 64
1 71
1 70
1 69
168
172
1 67
1 66
1 65
163
1 93
44
4748495051
78 79
176
183
188
190
187
DVDA
CR
TPLP
DVDBDVDCDVDD
AGND
OSP
OSN
DVDRFIPDVDRFINMAMBMCMDSASBSCSDCDFONCDFOPTNITPIMDI1MDI2LDO2LDO1
AVD
D3
V2REFOSGND
VREFOV20
TEOFEO
FG/ADIN1
RFLVL/RFONCSO/RFOP
TEZISLVOP_OUTOP_INNOP_INP
FOOTRO
GPIO1/HSYNC#
TROPENPWMPWMOUT1/ADIN0
GPIO2
FMODMO
HIG
HA2
HIG
HA3
HIG
HA5
HI G
HA6
DV D
D3
HIG
HA7
A 16
IOA6
AD7
AD5
AD4
I OA 1
8
DVS
SA D
2AD
1A D
0
HIG
HA4
IOA 0
IOA7HIGHA0
IOO
E#
IOW
R#
A17
AD3
HIG
HA1
I OC
S #
A LE
I OA 1
I OA 1
9
I OA 2
0
DV D
D1 8
UW
R#
UR
D#
DVD
D3
UP 1
_2U
P 1_ 3
GPI
O6
UP1
_ 4U
P 1_ 5
UP1
_6U
P 1_ 7
UP3
_ 0
RD
6
UP3
_ 1U
P3_4
A DC
VDD
3AD
CV S
S
UP 3
_ 5G
P IO
7IC
EPR
S T#
IR INT 0
#D
QM
0 #R
D7
RD
5D
VDD
3
FSVREF
DACVDDCSPDIF
MC_DATAASDATA3ASDATA2ASDATA1ASDATA0
ALRCKACLKABCK
GPIO5DVSS
GPIO4GPIO3
DVDD18RA4RA5RA6RA7RA8RA9
RA11
DVDD3CKE
RCLKRA3RA2RA1
DVDD18RA0
RA10BA1BA0
RAS#RCS#
CAS#RWE#DQM1
RD8RD9
DVSS
RD11RD10
RD12RD13RD14RD15
RD0
RD2RD1
RD3RD4
HR
FZC
IREF
SVDD3
RFG
C
RFG
ND
18
A DA C
V DD
1
I DAC
E XL P
PLLV
S S
RF R
P AC
RFR
P DC
JIT F
N
RFG
ND
RFV
DD
3
LPF O
P
L PFI
PLP
FIN
LPF O
NPL
LVD
D3
X TA L
IJI
TFO
RFV
DD
1 8
A R/S
DAT
A 1A V
CM
ARF (
SW)
A DA C
V SS2
A DA C
V SS1
APLL
V SS
A L/S
DA T
A2
A PL L
CA P
A PL L
VDD
A KI N
1
A KI N
2AD
V CM
CV B
S
R/C
r / CVB
S /SY
B /C
b /S C
DA C
V SSA
G/Y
/SY /
CV B
S
AAD
V SS
DA C
V DD
AD
ACV S
SBD
A CV D
DB
DAC
V SS C
XTA L
O
GPIO0/VSYNC#
IOA2DVDD18IOA3IOA4IOA5
AD6
IOA2
1
AAD
V DD
A RS
ALF(
CT R
)
A DA C
VDD
2
A LS/
SDA T
A0
R441
+
C1110uF/6.3v
R24 10k C260.1uF
C12
4.7uF/10v
+CE18
47uF/6.3v
C14
4.7uF/10v
C162200pF
R196.8
R12 0
CB21
0.1uF
C10
20pF
R1010
CB11
0.1uF
C20
0.1u
F
C25
0.04
7 uF
R9 750k
Q318550
2
13
J3
PH2.0-4A
4321
C6
0.1uF
C8
2200pF
+ CE14100uF/16v
C286800pFC0603/SMD
CB25
0.1uF
R50 10k
C22
0.1u
F
CB12
0.1uF
R51 20k
CB62
0.1uF
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
COMMON1389E_HD60_V3
Audio DAC
MT1389E
Audio 3.3V
DEVICE
Date
DVDD3
TYPE
Digital 1.8V
Digital 3.3V
2 MT1389E
OP AMP.
NAME
DV33
History
Audio +12V
Digital 5V
Audio DAC
Servo 3.3V
Rev
Audio 5V
MT1389E
VCC
V1
Digital 3.3V SDRAM
RFV33
SD33
AVDD5
P#1 INDEX & POWER, RESET
MT1389E
4 VIDEO OUT & AV-CON
SUPPLY
V18
+12V-12V Audio -12V OP AMP.
AV33 Laser Diode 3.3V
3 SDRAM & FLASH
5 AUDIO OUT - WM8766
2005.01.19
MT1389E (LQFP216) DVD MP Board for SANYO HD60 PUH
Reserved for testing
Initial released. Modified from 3-SY1389DP1-V11
RESET Circuit
Open IR1 , if used VFD
V2 Add SCART and VGA output 2005.03.01
V3 Modify Video backend circuit.2005.03.09
VSDA Pull UP
-12V
VCC
DV33
+12V
URST#
IR
VCC
URST#
DV33
IR
VSTB
VSCKVSDA
SCLSDA
V18
V33
V33
SD33
I/O
SD33
VSDA
VSTBVSCK
IRVCC
IRVCC
I/O
GND
VSDA
I/O
GND [ 2,3,4,5]VCC [ 2,4,5 ]
URST# [ 2 ]
DV33 [ 2,3,5]
IR [ 2 ]
VSCK[2]VSDA[2]VSTB[2]
SCL [2]SDA [2]
SD33 [3]
I/O [ 2 ]
+12V-12V
DV33
V18
+P12V-P12V
+VCC
V33
VCC
SD33
VCC
-P12V+VCC
+P12V
V33
+VCC
SD33
TP2
+
CE4
100uF/25v
+CE7
100uF/16v
+CE10
100uF/16v
CB10.1uFC0603/SMD
C1100pF
D9
1N4007
CB6
0.1uF
L32 FB
FM1
R310k
FM2
L36 FB
CB80.1uF
CON2
TJC3-6A
HEAD6-100
123456
R2 10
+CE6
100uF/16V
+CE1
10uF/10v
+ CE910uF/16vDC100BL35 FBL34 FB
CB5
0.1uF
CB7
0.1uF
R1
10
C210uF/16vDC100B
J1
PH2.0-7A
1234567
U1
1
23
ADJ/GND
OUTIN
CB3
0.1uF
D3
1N4148
+CE5
100uF/25v
TP1
R2110k
L33 FB
+CE2
100uF/16v
CB4
0.1uF
R610k
D11
1N4007
12
34
65
A B C D
65
43
21
DCBA
2RK0
1
3RK0
1
4RK0
1
5 RK516R074 1RK1
101
2C
101
1C
6C401
101
3C
4CV6
1 /FU
022
5CV6
1/FU
022
2D10
04
1DDE
L
2S4S 3S
1234567891 01 11 21 31 41 5
1S861234567891 01 11 21 31 4 1 5
1 61 71 81 92 02 12 22 32 42 52 62 72 8
1U
8296
DH
MER
M ER
123456
1NOC
12
34
65
A B C D
65
43
21
DCBA
7004
NI1D
7004
NI2D
7004
NI3D
7004
NI4D
12
V052
LA2F
1 2
3 46DFL
1CV0
04/F
U22
1X1R
K074
1T52T
2RK0
012CK1/
301
5D70
1REH
12345 6 7 8
1CI
P125
1AET
8RK6.5
5R1
12
43
7C718
6D84
14NI3R013C37
4
11C
103
4R
K1
01RK1
01D
063
8CFU00
22
1L
01C
FU02
2
9DV9.3
9R28
7D
8414
NI 8D
8414
NI
7C
FU02
2
9CFU
022
3L
2LV2
1-
V21+V5
+
WS
NICA
NICA
Singing Appellation
S29AL008070TF102 IC
V36V1616100TC-7 IC
D5888S IC
MT1389DE-E IC
3.Critical Components List
HD6928 IC
TEA1521P IC
GT-60241 DISPLAY
Version 1.5 MT1389E Specifications are subject to change without notice Pin Assignment
2004/12/14
Abbreviations: SR: Slew Rate PU: Pull Up PD: Pull Down SMT: Schmitt Trigger 4mA~16mA: Output buffer driving strength.
Pin Main Alt. Type Description
RF Interface (26)
191 RFGND18 Ground Analog ground 192 RFVDD18 Power Analog power 1.8V 212 OSP Analog output RF Offset cancellation capacitor connecting 213 OSN Analog output RF Offset cancellation capacitor connecting 214 RFGC Analog output RF AGC loop capacitor connecting for DVD-ROM
215 IREF Analog Input Current reference input. It generates reference current for RF path. Connect an external 15K resistor to this pin and AVSS
216 AVDD3 Power Analog power 3.3V 1 AGND Ground Analog ground 2 DVDA Analog Input AC coupled input path A 3 DVDB Analog Input AC coupled input path B 4 DVDC Analog Input AC coupled input path C 5 DVDD Analog Input AC coupled input path D 6 DVDRFIP Analog Input AC coupled DVD RF signal input RFIP 7 DVDRFIN Analog Input AC coupled DVD RF signal input RFIN 8 MA Analog Input DC coupled main-beam RF signal input A 9 MB Analog Input DC coupled main-beam RF signal input B 10 MC Analog Input DC coupled main-beam RF signal input C 11 MD Analog Input DC coupled main-beam RF signal input D 12 SA Analog Input DC coupled sub-beam RF signal input A 13 SB Analog Input DC coupled sub-beam RF signal input B 14 SC Analog Input DC coupled sub-beam RF signal input C 15 SD Analog Input DC coupled sub-beam RF signal input D 16 CDFON Analog Input CD focusing error negative input 17 CDFOP Analog Input CD focusing error positive input 18 TNI Analog Input 3 beam satellite PD signal negative input 19 TPI Analog Input 3 beam satellite PD signal positive input
ALPC (4)
20 MDI1 Analog Input Laser power monitor input
4. IC Date Sheet & IC Description
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
2
MTK Confidential A
Pin Main Alt. Type Description
21 MDI2 Analog Input Laser power monitor input 22 LDO2 Analog Output Laser driver output 23 LDO1 Analog Output Laser driver output
Reference Voltage (3)
28 V2REFO Analog output Reference voltage 2.8V 29 V20 Analog output Reference voltage 2.0V 30 VREFO Analog output Reference voltage 1.4V
Analog Monitor Output (7)
24 SVDD3 Power Analog power 3.3V
25 CSO RFOP Analog output 1) Central servo 2) Positive main beam summing output
26 RFLVL RFON Analog output 1) RFRP low pass, or 2) Negative main beam summing output
27 SGND Ground Analog ground 31 FEO Analog output Focus error monitor output 32 TEO Analog output Tracking error monitor output 33 TEZISLV Analog output TE slicing Level
Analog Servo Interface (8)
204 ADCVDD3 Power Analog 3.3V power for ADC 205 ADCVSS Ground Analog ground for ADC 206 RFVDD3 Power Analog power 207 RFRPDC Analog output RF ripple detect output 208 RFRPAC Analog Input RF ripple detect input (through AC-coupling) 209 HRFZC Analog Input High frequency RF ripple zero crossing 210 CRTPLP Analog output Defect level filter capacitor connecting 211 RFGND Ground Analog Power
RF Data PLL Interface (9)
195 JITFO Analog output Output terminal of RF jitter meter 196 JITFN Analog Input Input terminal of RF jitter meter 197 PLLVSS Ground Ground pin for data PLL and related analog circuitry 198 IDACEXLP Analog output Data PLL DAC Low-pass filter 199 PLLVDD3 Power Power pin for data PLL and related analog circuitry 200 LPFON Analog Output Negative output of loop filter amplifier 201 LPFIP Analog Input Positive input terminal of loop filter amplifier 202 LPFIN Analog Input Negative input terminal of loop filter amplifier 203 LPFOP Analog Output Positive output of loop filter amplifier
Motor and Actuator Driver Interface (10)
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
3
MTK Confidential A
Pin Main Alt. Type Description
34 OP_OUT Analog output Op amp output 35 OP_INN Analog input Op amp negative input 36 OP_INP Analog input Op amp positive input 37 DMO Analog Output Disk motor control output. PWM output 38 FMO Analog Output Feed motor control. PWM output 39 TROPENPWM Analog Output Tray PWM output/Tray open output
40 PWMOUT1 ADIN0 Analog Output 1) 1st General PWM output 2) AD input 0
41 TRO Analog Output Tracking servo output. PDM output of tracking servo compensator
42 FOO Analog Output Focus servo output. PDM output of focus servo compensator
43 FG
(Digital pin) ADIN1 GPIO
LVTTL 3.3V Input, Schmitt Input, pull
up, with analog input path for ADIN1
1) Motor Hall sensor input 2) AD input 1 3) GPIO
General Power/Ground (11)
48,84, 132, 146
DVDD18 Power 1.8V power pin for internal digital circuitry
74, 120 DVSS Ground 1.8V Ground pin for internal digital circuitry 60,87,
108,137 DVDD3 Power 3.3V power pin for internal digital circuitry
149 DVSS Ground 3.3V Ground pin for internal digital circuitry
Micro Controller and Flash Interface (48)
54 HIGHA0 InOut
4~16mA, SR PU
Microcontroller address 8
66 HIGHA1 InOut
4~16mA, SR PU
Microcontroller address 9
65 HIGHA2 InOut
4~16mA, SR PU
Microcontroller address 10
64 HIGHA3 InOut
4~16mA, SR PU
Microcontroller address 11
63 HIGHA4 InOut
4~16mA, SR PU
Microcontroller address 12
62 HIGHA5 InOut
4~16mA, SR PU
Microcontroller address 13
61 HIGHA6 InOut
4~16mA, SR PU
Microcontroller address 14
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
4
MTK Confidential A
Pin Main Alt. Type Description
59 HIGHA7 InOut
4~16mA, SR PU
Microcontroller address 15
81 AD7 InOut
4~16mA, SR Microcontroller address/data 7
78 AD6 InOut
4~16mA, SR Microcontroller address/data 6
77 AD5 InOut
4~16mA, SR Microcontroller address/data 5
76 AD4 InOut
4~16mA, SR Microcontroller address/data 4
75 AD3 InOut
4~16mA, SR Microcontroller address/data 3
73 AD2 InOut
4~16mA, SR Microcontroller address/data 2
72 AD1 InOut
4~16mA, SR Microcontroller address/data 1
71 AD0 InOut
4~16mA, SR Microcontroller address/data 0
83 IOA0 InOut
4~16mA, SR PU
Microcontroller address 0 / IO
69 IOA1 InOut
4~16mA, SR PU
Microcontroller address 1 / IO
47 IOA2 InOut
4~16mA, SR PU
Microcontroller address 2 / IO
49 IOA3 InOut
4~16mA, SR PU
Microcontroller address 3 / IO
50 IOA4 InOut
4~16mA, SR PU
Microcontroller address 4 / IO
51 IOA5 InOut
4~16mA, SR PU
Microcontroller address 5 / IO
52 IOA6 InOut
4~16mA, SR PU
Microcontroller address 6 / IO
53 IOA7 InOut
4~16mA, SR PU
Microcontroller address 7 / IO
58 A16 Output
4~16mA, SR PU
Flash address 16
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
5
MTK Confidential A
Pin Main Alt. Type Description
82 A17 Output
4~16mA, SR PU
Flash address 17
55 IOA18 InOut
4~16mA, SR PD, SMT
Flash address 18 / IO
56 IOA19 InOut
4~16mA, SR PD, SMT
Flash address 19 / IO
67 IOA20 YUV0 InOut
4~16mA, SR PD, SMT
1) Flash address 20 / IO 2) While External Flash size <= 1MB:
I) Alternate digital video YUV output 0
79 IOA21 YUV7 GPIO
InOut 4~16mA, SR
PD, SMT
1) Flash address 21 / IO 2) While External Flash size <= 2MB:
I) Digital video YUV output 7 II) GPIO
80 ALE InOut
4~16mA, SR PU, SMT
Microcontroller address latch enable
70 IOOE# InOut
4~16mA, SR SMT
Flash output enable, active low / IO
57 IOWR# InOut
4~16mA, SR PU, SMT
Flash write enable, active low / IO
68 IOCS# InOut
4~16mA, SR SMT
Flash chip select, active low / IO
85 UWR# InOut
4~16mA, SR PU, SMT
Microcontroller write strobe, active low
86 URD# InOut
4~16mA, SR PU, SMT
Microcontroller read strobe, active low
88 UP1_2 InOut
4mA, SR PU, SMT
Microcontroller port 1-2
89 UP1_3 InOut
4mA, SR PU, SMT
Microcontroller port 1-3
91 UP1_4 InOut
4mA, SR PU, SMT
Microcontroller port 1-4
92 UP1_5 InOut
4mA, SR PU, SMT
Microcontroller port 1-5
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
6
MTK Confidential A
Pin Main Alt. Type Description
93 UP1_6 SCL InOut
4mA, SR PU, SMT
1) Microcontroller port 1-6 2) I2C clock pin
94 UP1_7 SDA InOut
4mA, SR PU, SMT
1) Microcontroller port 1-7 2) I2C data pin
95 UP3_0 RXD InOut
4mA, SR PU, SMT
1) Microcontroller port 3-0 2) 8032 RS232 RxD
96 UP3_1 TXD InOut
4mA, SR PU, SMT
1) Microcontroller port 3-1 2) 8032 RS232 TxD
97 UP3_4 RXD SCL
InOut 4mA, SR PU, SMT
1) Microcontroller port 3-4 2) Hardwired RD232 RxD 3) I2C clock pin
98 UP3_5 TXD SDA
InOut 4mA, SR PU, SMT
1) Microcontroller port 3-5 2) Hardwired RD232 TxD 3) I2C data pin
102 IR Input SMT
IR control signal input
103 INT0# InOut
4~16mA, SR PU, SMT
Microcontroller external interrupt 0, active low
Audio interface (28)
153 ALRCK YUV1 GPO
InOut 4mA,
PD, SMT
1) Audio left/right channel clock 2) Trap value in power-on reset:
I) 1: use external 373 II) 0: use internal 373
3) While internal audio DAC used: I) Digital video YUV output 1
II) GPO
151 ABCK YUV0 GPIO
InOut 4mA
1) Audio bit clock 2) While internal audio DAC used:
I) Digital video YUV output 0 II) GPIO
152 ACLK YUV0 GPIO
InOut 4mA SMT
1) Audio DAC master clock 2) While internal audio DAC used:
I) Alternate digital video YUV output 0 II) GPIO
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
7
MTK Confidential A
Pin Main Alt. Type Description
154 ASDATA0 YUV2 GPO
InOut 4mA
PD SMT
1) Audio serial data 0 (Front-Left/Front-Right) 2) Trap value in power-on reset:
I) 1: manufactory test mode II) 0: normal operation
3) While internal audio DAC used: I) Digital video YUV output 2
II) GPO
155 ASDATA1 YUV4 GPO
InOut 4mA
PD SMT
1) Audio serial data 1 (Left-Surround/Right-Surround) 2) Trap value in power-on reset:
I) 1: manufactory test mode II) 0: normal operation
3) While only 2 channels output: I) Digital video YUV output 4
II) GPO
156 ASDATA2 YUV5 GPO
InOut 4mA
PD SMT
1) Audio serial data 2 (Center/LFE) 2) Trap value in power-on reset:
I) 1: manufactory test mode II) 0: normal operation
3) While only 2 channels output: I) Digital video YUV output 5
II) GPO
157 ASDATA3 YUV6 GPIO
InOut 4mA
PD SMT
1) Audio serial data 3 (Center-back/ Center-left-back/Center-right-back, in 6.1 or 7.1 mode)
2) While only 2 channels output: I) Digital video YUV output 6
II) GPIO
158 MC_DATA INT2# YUV0 GPIO
InOut 2mA
1) Microphone serial input 2) While not support Microphone:
I) Microcontroller external interrupt 2 II) Digital video YUV output 0
III) GPIO
159 SPDIF Output
4~16mA, SR: ON/OFF
S/PDIF output
172 AADVSS Ground Ground pin for 2ch audio ADC circuitry 173 AKIN2 Analog Audio ADC input 2 174 ADVCM Analog 2ch audio ADC reference voltage 175 AKIN1 Analog Audio ADC input 1 176 AADVDD Power 3.3V power pin for 2ch audio ADC circuitry 177 APLLVDD3 Power 3.3V Power pin for audio clock circuitry 178 APLLCAP Analog InOut APLL external capacitance connection 179 APLLVSS Ground Ground pin for audio clock circuitry 180 ADACVSS2 Ground Ground pin for audio DAC circuitry 181 ADACVSS1 Ground Ground pin for audio DAC circuitry
182 ARF GPIO Output 1) Audio DAC sub-woofer channel output 2) While internal audio DAC not used: GPIO
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
8
MTK Confidential A
Pin Main Alt. Type Description
183 ARS GPIO Output 1) Audio DAC right Surround channel output 2) While internal audio DAC not used: GPIO
184 AR GPIO Output
1) Audio DAC right channel output 2) While internal audio DAC not used:
a. SDATA1 b. GPIO
185 AVCM Analog Audio DAC reference voltage
186 AL GPIO Output
1) Audio DAC left channel output 2) While internal audio DAC not used:
a. SDATA2 b. GPIO
187 ALS GPIO Output
1) Audio DAC left Surround channel output 2) While internal audio DAC not used:
a. SDATA0 b. GPIO
188 ALF GPIO Output 1) Audio DAC center channel output 2) While internal audio DAC not used: GPIO
189 ADACVDD1 Power 3.3V power pin for audio DAC circuitry 190 ADACVDD2 Power 3.3V power pin for audio DAC circuitry
Video Interface (12)
160 DACVDDC Power 3.3V power pin for video DAC circuitry 161 VREF Analog Bandgap reference voltage 162 FS Analog Full scale adjustment 163 DACVSSC Ground Ground pin for video DAC circuitry
164 CVBS Output
4mA, SR Analog composite output
165 DACVDDB Power 3.3V power pin for video DAC circuitry 166 DACVSSB Ground Ground pin for video DAC circuitry 167 DACVDDA Power 3.3V power pin for video DAC circuitry
168 Y/G Output
4mA, SR Green, Y, SY, or CVBS
169 DACVSSA Ground Ground pin for video DAC circuitry
170 B/CB/PB Output
4mA, SR Blue, CB/PB, or SC
171 R/CR/PR Output
4mA, SR Red, CR/PR, CVBS, or SY
MISC (12)
101 PRST# Input
PU, SMT Power on reset input, active low
100 ICE Input
PD, SMT Microcontroller ICE mode enable
193 XTALO Output 27MHz crystal output
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
9
MTK Confidential A
Pin Main Alt. Type Description
194 XTALI Input 27MHz crystal input
44 GPIO0 VSYN YUV1
InOut 4mA, SR
SMT
1) General purpose IO 0 2) Vertical sync for video input 3) Digital video YUV output 1
45 GPIO1 HSYN INT4# YUV2
InOut 4mA, SR
SMT
1) General purpose IO 1 2) Horizontal sync for video input 3) Microcontroller external interrupt 4 4) Digital video YUV output 2
46 GPIO2 SPMCLK InOut 2mA
1) General purpose IO 2 2) Audio S/PDIF SPMCLK input
147 GPIO3 INT1# SPDATA
InOut 2mA
1) General purpose IO 3 2) Microcontroller external interrupt 1 3) Audio S/PDIF SPDATA input
148 GPIO4 SPLRCK InOut 2mA
1) General purpose IO 4 2) Audio S/PDIF SPLRCK input
150 GPIO5 INT3# SPBCK
InOut 2mA
1) General purpose IO 5 2) Microcontroller external interrupt 3 3) Audio S/PDIF SPBCK input
90 GPIO6 YUVCLK InOut
4mA, SR PD, SMT
1) General purpose IO 6 2) Digital video clock output
99 GPIO7 YUV3 InOut 4mA,
PD, SMT
1) General purpose IO 7 2) Digital video YUV output 3
Dram Interface (38) (Sorted by position)
145 RA4 InOut DRAM address 4 144 RA5 InOut DRAM address 5 143 RA6 InOut DRAM address 6 142 RA7 InOut DRAM address 7 141 RA8 InOut DRAM address 8 140 RA9 InOut DRAM address 9
139 RA11 InOut
Pull-Down DRAM address bit 11
138 CKE Output DRAM clock enable 136 RCLK InOut Dram clock 135 RA3 InOut DRAM address 3 134 RA2 InOut DRAM address 2 133 RA1 InOut DRAM address 1 131 RA0 InOut DRAM address 0 130 RA10 InOut DRAM address 10 129 BA1 InOut DRAM bank address 1 128 BA0 InOut DRAM bank address 0 127 RCS# Output DRAM chip select, active low 126 RAS# Output DRAM row address strobe, active low
MT1389E PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE
10
MTK Confidential A
Pin Main Alt. Type Description
125 CAS# Output DRAM column address strobe, active low 124 RWE# Output DRAM Write enable, active low 123 DQM1 InOut Data mask 1 122 RD8 InOut DRAM data 8 121 RD9 InOut DRAM data 9 119 RD10 InOut DRAM data 10 118 RD11 InOut DRAM data 11 117 RD12 InOut DRAM data 12 116 RD13 InOut DRAM data 13 115 RD14 InOut DRAM data 14 114 RD15 InOut DRAM data 15 113 RD0 InOut DRAM data 0 112 RD1 InOut DRAM data 1 111 RD2 InOut DRAM data 2 110 RD3 InOut DRAM data 3 109 RD4 InOut DRAM data 4 107 RD5 InOut DRAM data 5 106 RD6 InOut DRAM data 6 105 RD7 InOut DRAM data 7 104 DQM0 InOut Data mask 0
Note: 1. The Main column is the main function, Alt. means alternative function. 2. The multi-function GPIO pins are set to green characters. 3. The multi-function GPO pins are ser to blue characters. 4. The external TV encoder mode only supports CCIR-656 mode.
Features ●0.24 inch(6.0mm)Digit Height
●Continuous uniform segments
●Low power requirement
●Excellent characters appearance
●Wide viewing angle
●Solid state reliability
Description The GT-60241BGH-B is a 0.24 (6.0mm) digit height
6 digit seven-segment with several icons display.
This device is multi-color applicable display,it uses
HIGH-BRIGHT-GREEN/RED LED chipcs.
The display has a black face and white segments.
Device Part no. Description
GREEN/RED
GT-60241BGH-B Multiplex Common Anode
PIN CONNECTION
NO CONNECTION 1 COMMON ANODE COM1
2 CATHODE F
3 COMMON ANODE DIG1
4 CATHODE B
5 COMMON ANODE DIG2
6 CATHODE C
7 CATHODE E
8 COMMON ANODE DIG3
9 CATHODE A
10 CATHODE D
11 COMMON ANODE DIG4
12 CATHODE G
13 COMMON ANODE DIG5
14 COMMON ANODE DIG6
15 COMMON ANODE COM2
SIZE: 51.5mm×15.5mm×8.0mm
Absolute Maximum Ratings
Parameter Symbol Ratings Peak For ward current per Dice (Duty cycle 1/10.10KHZ)
Ipf 100mA
Continuous Forward current per Dice If 25 mA
Reverse Voltage VR 5V
Operating Temperature Topr -25to+85℃
Storage temperature Tstg -25to+85℃
Soldering Temperature: 1/16Inch below seating place for 5 seconds 260℃
Electro-Optical Characteristics: --RED
Parameter Symbol Condition Typ. Max. Unit Forward Voltage VF IF=20mA 1.85 --- V
Reverse Current IR VR=5V --- 50 uA
Luminous Intensity IV IF=20mA 9 --- mcd
Peak Emission Wavelength λP IF=20mA 642 --- nm
Spectrum width of Half Value △λ IF=20mA 20 --- nm --GREEN
Parameter Symbol Condition Typ. Max. Unit Forward Voltage VF IF=20mA 2.0 --- V
Reverse Current IR VR=5V --- 50 uA
Luminous Intensity IV IF=20mA 22 --- mcd
Peak Emission Wavelength λP IF=20mA 570 --- nm
Spectrum width of Half Value △λ IF=20mA 30 --- nm
Recommend:It should be drive by stable current
SIZE: 51.5mm 15.5mm 8.0mm
Package Dimension (Unit:mm Tolerance: 0.2mm)
Internal Circuit Diagram
2. Schematic Circuit Diagram
5.Service T ools and Equipment
5.1Service Tools and Equipment Table
Application Name
DVD Testing Disc General
GeneralTools (screwdriver etc.)
CD Testing Disc Confirm
VCD Testing Disc
AV Cables
Adjust
TV Monitor
Searing-iron
Antistatic wrist strap
Grounding for electrostatic
breakdown
Conductive material steel sheet
5.2 S t oring and Handling Test Discs
It is important for a DVD testing disc keeping its surface precise.
Please care for storing and using it.
1. Do not place the disc on worktable directly after using.
2. Do not store discs in places subject to direct sunlight or near heat
sources.
Decode Amplifier
Speaker
3. Do not place the disc on a glass surf ace. It may damage the disc. If this
happened, please use a new testing disc adjust DVD player precision.
5 .3 No tes
PLEASE READ ALL NOTES GIVEN IN THIS MANUAL.
■ Locate
● Place the unit on a firm, flat surface.
● Do not place in a high temperature (upwards of 35 ) or high wet
(upwards of 90 percent) area.
● Do not place in an ar ea with a l ot of dust.
● Keep away from direct sunlight &domestic heating equipment.
■ Do not fall any objects into the unit.
● Care should be taken so that liquids are not spilled into the unit
openings. Such situations could result in fire or electrical shock.
● Keep the DVD video player away from any magnetic articles such as
speaker etc.
■ Superposition
● Please place the DVD player horizontally. Do not place a heavy
object (amplifier, receiver) on it. The object may fall, causing serious
personal injury or death.
This unit should be situated away from heat source, such as amplifiers,
radiators, stoves or any other units producing heat.
Condensation
Lens could be moistening in these cases.
Turn on heater shortly,
In a very wet room,
Move the player from a cold environment to a heat environment
quickly.
Being moisture inside the play could operate normally. Please turn on
power and wait about an hour for drying the moisture.