Page 1
SCHEMATIC DIAGRAMS
DVD DIGITAL THEATER SYSTEM
TH-M303
CD-ROM No.SML200405
Area suffix
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
EE -------- Russian Federation
(SP-THM303C) (SP-THM303F) (SP-THM303S) (SP-PWM303)
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
(XV-THM303)
2-1
2-2 to 12
2-13 to 16
COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD.
No.MB231SCH
2004/5
Page 2
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)
Page 3
Block diagram
<Main body section> <Subwoofer section>
DVD traverse
mechanism
DVD traverse
mechanism
DVD changer mechanism section
Power supply section
P901
AC IN
FL display section
CN101
CN201
TRAY1 to 5
CLOSE SW
TRAY
OPEN SW
SUB TRAY
START SW
IC901
SWITCH
REG.
DIODE
BRIDGE
S531 to S540
DISC_KEY
X501
8MHz
IC501
DISPLAY
MICOM
G1 to G14
P1 to P35
DI501
FL DISPLAY
DVD servo board
A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
LD(CD), LD(DVD)
FM+/WOUT
VOUT
UOUT
COM
TR1_CL to
TR5_CL
M.TR_OP
S.TR_ST
T901
POWER
TRANS.
KEY3, KEY4
VOL1
VOL2
JS541
DI-CK, DI-DT
DI-CS, DI-RST
ILLUMI
DISC1 to 5
DIMMER
F+/T+/-
IC201
DRVER
CN3
CN2
Q951, Q953
FL SW, -VDISP SW
IC953
B5V REG.
IC951
D5V REG.
Q954,Q955
DVD5V SW
Q958 to Q961
A+/-12V REG.
IC511
REMOCON
Q503
KEY1
Q561 to Q566
D561 to D565
DISC LED
SUB TRAY
END SW
M
TRAY
POSITION
MOTOR
D5V
DVD 5V
REMOCON
STANDBY
FW502
Q101 to Q104
/DRVMUTE, /SPMUTE, FG, WHALF
CDLDCUR, DVDLDCUR
SPDRV, TRSDRV, FODRV, TRDRV
IC1, IC2
TRAY / POSITION
MOTOR DRIVER
POS_UP, POS_DOWN
TR_OP, TR_CL
F1,F2
-VDISP
B5V, D5V
DVD-PON
SYS-PON
M9V
D970
DVD3.3V
A+12V
A-12V
F1,F2,-VDISP
B5V,D5V
FL display
section (P_key)
FW511
STANDBY
KEY1
S521
POWER SW
D511
STANDBY
LED
LPCO1, LPCO2
X351
27MHz
TRVSW
IC1
POSITION
SENSOR
CN1
System control section
CN406/CN407
FW901
B5V
D5V
CN404/CN405
FW902
DVD-5V
DVD-4V
M9V
+12V
-12V
Q4702
IC472
RESET
CN501
CN450
(LED)
ILLUMI.
CN551
LED
FL display section
(Operation key)
S522 to S529
OPERATION SW
IC301
PANTERA-2
CN453
LSENSOR
CN452
STEDSW
CLSWT1 to 5
STSTSW
MTOPSW
CN451
POSMUP
POSMDN
MTOP, MTCL
IC473
U2SDT
CS
SYS-PON, DVD-PON
X4701
8MHz
Q4821
AM-BEAT
CUT
RESET-IN/RST
(Connect)
CN561
ILLUMI
KEY1
KEY2
EXADT0 to 15, EXADR16 to 20
NEXCE, NEXOE, NEXWE
EXADT0 to 15
NEXCE
MA0 to 10, BA0, BA1
MDQ0 to 31, DQM0 to 3
NCSM,NRAS, NCAS, NWE
INDEX, TRACK, COPY
AIN, AOUT 0 to 2, BCK, LRCLK
DACPDN, DAC0CS, DCLK, DDATA
S2UDT
U2SDT
SCLK
SCS
CPURST
UCS
DISCSET
DISCSTP
IC452
EEPROM
EPDI,EPDO
EPCS,EPSK
IC451
MECHA
CONTROLLOR
DISPS2D, DISPBUSY
IC471
SYSTEM
STAND-BY
REMOCON
ILLUMI
CN457CN456
MICOM
Q4091, Q4092
TU9V REG.
AM-BEAT
VOL-1, VOL-2
KEY1, KEY2
KEY3, KEY4
DI-CK, DI-DT
DI-CS, DI-RST
FW561
FW521
IC509
FLASH ROM
IC512, IC513
LATCH
DRAM
COUT
YOU T
CrOUT
CbOUT
TX
RX
DISPRST
DISPBUSY
DISPCS
DISPCK
DISPD2S
DISPS2D
CPURST
INTP
SCLK
S2UDT
VOL-MUTE, VOL-DT, VOL-CK
SETUP, TU, L-R
SW-PON
S-MUTE
RDS-DATA
RDS-CLK
RDS DEC
RDS
HP-DET
AVC-OUT
AVC-IN
TU-DI, TU-DO, TU-CK
TU-CE, RDS
TU-PON
LRMUTE
SWMUTE
CN703 CN701 CN702
CN403 CN401 CN402
SELECT3, SELECT4
Q4811, Q4812
SW-PON
Q4801, Q4802
S-MUTE
DRIVER
IC481
IC475
IC478
TUNER
Q4703
AVVLR
TU9V
LADD0 to 15
IC505
IC704
ADC
AINL
AINR
ADINL
ADINR
IC476
AMP.
AMP.
IC701
to
IC703
DAC
FAOUTL
FAOUTR
RAOUTL
RAOUTR
CAOUT
SWAOUT
IC474
TV-SOUND
/ AUX
SELECT
J4891
AV
COMPULINK
CN410
Tuner
Pack
Audio input/output section
SW.P.ON, SETUP
Q1131
Q1133
Q1135
S.MUTE
+IN 1, +IN 2
C IN, SW IN
VOL_MUTE
VOL_DT
VOL_CK
Q1251
Q1252
IC531
AMP.
Video input/output section
VIDEO-MUTE1
VIDEO-MUTE2
VIDEO-YCMIX
VIDEO-RGB
VIDEO-LPF
CR-R
CV-Y1
CV-Y1
TU-SW
IC581
IC591
AMP.
OUT-C
OUT-SW
OUT-SL
OUT-SR
CN442 CN441
CN412 CN411
OUT-L, OUT-R
DIN, DOUT
C, CV-Y1, Y2-G
CB-B, CR-R
AUX-L, AUX-R
SCART-LIN
SCART-RIN
SWPON
SMUTE
TU-L, TU-R
TU-SW
HPOUT-L
HPOUT-R
S_MUTE
L-R
TUNER
TU_L, TU_R
OUT-L
OUT-R
IC601
HP
AMP.
HP-L
HP-R
CN460
CN701
VIDEO-YCMIX
Jack section
IC158
IC160
AMP.
IC153
6CH
VOL.
IC151
AUDIO
SW
IC431
VIDEO
DRIVER
Y2-G
CB-B
C
C
R
VIDEO
HP-L, HP-R, HP-DET
to
IC441
SW
C, SW
SL, SR
L, R
HPOUT_L
HPOUT_R
DIN
DOUT
AUX- L
AUX- R
Y
Cb
Cr
B
G
CV/Y
L IN
R_IN
R/C
J1103
SYSTEM
CONN.
IC509
DIGITAL
IN
IC510
DIGITAL
OUT
J1101
AUX IN
J4402
COMPONENT
VIDEO OUT
J4403
AV
SCART
TERMINAL
J6001
HEADPHONE
OUT
Mini Din
CONN.
AC IN
Amplifier section
IC202
POWER
AMP.
IC201
POWER
AMP.
C, SW
J2701
SL, SR
L, R
CN102 CN102 CN272
CN501 CN502 CN372
P.ON_SIG
PROTECT
POWER CONTROL
SP_RELAY+
SP_RELAY-
Q501 to Q505
& PROTECTOR
12V_REG.
+VH, -VH
+VL, -VL
CN101
RY101
Mother section
+12V
Q151
RY271
RY272
RY273
Q521 to Q525
PROTECTOR
Q511 to Q517
LOW VOLTAGE
CN102
L_SIG
R_SIG
C_SIG
SW_SIG
SL_SIG
SR_SIG
MUTE
CONTROL
Q541,Q542
DETECTOR
D151, D152
CN151
T101
POWER
TRANS.
CN274
TO SW
SPEAKER
J2702
FLOUT
FROUT
FCOUT
SLOUT
SROUT
2-1
Page 4
Standard schematic diagrams
<Main body section>
Power supply section
(SHEET 2)
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
2-2
(SHEET 2)
SHEET 1
Page 5
System control section
To FW901
OF LVA10468-A2
(SHEET 1)
To CN441
OF LVA10476-A1
(SHEET 5)
To CN442
OF LVA10476-A1
(SHEET 5)
To CN702
OF LVA10510-91A
(SHEET 8)
To CN701
OF LVA10510-91A
(SHEET 8)
To FW902
OF LVA10468-A2
(SHEET 1)
To CN703
OF LVA10510-91A
(SHEET 8)
(SHEET 3)
To Video input / output section
(SHEET 6)
To CN501
OF LVA10467-A1
(SHEET 4)
To FW521
OF LVA10467-A2
(SHEET 4)
To FW561
OF LVA10467-A5
(SHEET 4)
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 2
2-3
Page 6
Video input / output section
To System control section
(SHEET 2)
2-4
SHEET 3
Page 7
FL display section
(SHEET 2)
(SHEET 2)
(SHEET 2)
SHEET 4
2-5
Page 8
Audio input / output section
2-6
SHEET 5
Page 9
Jack section
(SHEET 2)
(SHEET 2)
SHEET 6
2-7
Page 10
DVD servo section (1/2)
MDQ6
DQM1
NRAS
NCAS
DQM0
NWE
MDQ7
MDQ8
BA0
BA1
NCSM
MA10
DQM2
DQM3
MDQ16
MDQ31
MDQ17
MDQ30
MDQ18
MDQ29
MDQ19
MDQ28
MDQ20
MDQ27
MDQ21
MDQ26
MDQ22
MDQ25
MDQ23
MDQ24
(SHEET 8)(SHEET 8)
MA3
MA4
MA2
MA5
MA1
MA6
MA0
MA7
MA8
MA9
MCK
TP20
C103
C104
CN101
QGF0523F1-24W
CN201
QGF1016F2-08W
D1.2V
100
R303
0.1
C300
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
C107
0.1
TP3
TP2
TP1
TP27
TP28
FM+
FM-
WOUT
VOUT
UOUT
COM
TP24
TP22
TP23
C101
0.1
VREFH
C102
0.1
E
F
D
A
B
C
RF+
R101
0.1
F+
F-
T+
T-
TP5
TP4
TP26
TP25
TP21
100
R102
1000.1
TP9
TP7
TP6
TP8
TP10
M9V
TP220
K101
NRSA02J-0R0X
TP11
R122
NRSA02J-0R0X
R126
180
NI
C263
R255
NI
LPC2
LPC1
CDLDCUR
NI
NI
C109
C110
NI
NI
R121
R124
0
R120
R123
0
K102
C111
NI
0
R119
NI
Q105
D101
COM
VOUT
UOUT
0.022
C260
0.022
C261
0.022
C262
0.1
C217
R252
2.2
R251
B3.3V
0.47
0
R257
R221
10k
R259
0.1
C256
TP221
R215
NI
C108
27
R113
30k
R112
KTA1001/Y/-X
24k
R111
UN2119-X
FM+
WOUT
6.8k
R213
10k
C211
0.022
R214
10k
LPCO2
DVDLDCUR
47/6.3
2.2
470
R116
R114
R118
R115
330
R117
T-
F+
F-
FM-
IC201
LA6502-X
R207
0.47
0.0082
0.015
0.015
47k
C206
150p
C257
C258
C259
C251
R254
TP226
C106
27
R105
R104
0
R106
30k
Q101Q103
2SC4617/R/-X2SC4617/R/-X
KTA1001/Y/-X
24k
R103
NI
C264
C204
C205
NI 0.1
270p
R206
30k
K201
24k
R220
TP231
27k
R205
NI
S5V
LPCO1
R125
1
47/6.3
0
470
2.2
R110
R108
R107
100100
Q102Q104
R109
M5V
R204
27k
R208
TP227
18k
R219
1
C371
NI
R201
33k
R127
AD4 AOUT1
R128
C105
16k
470
22/6.3
/HFMON
TRVSW
TRDRV
NI
R384
1k
1k
R385
MDQ9
MDQ5
MDQ10
MDQ4
MDQ11
MDQ3
MDQ12
MDQ2
MDQ13
MDQ1
MDQ14
MDQ0
MDQ15
C307
0.1
EXADR20
NEXWE
EXADT0
EXADT4
EXADT8
EXADT12
EXADR16
EXADR18
EXADT14
EXADT10
EXADT6
EXADT2
NEXCE
EXADT1
EXADT5
EXADT9
EXADT13
EXADR17
EXADR19
EXADT15
EXADT11
C329
0.1
EXADT7
EXADT3
NEXOE
DAC0CS
DCLK
DDATA
DACPDN
UCS
SWMUTE
TP322
TP323
TP324
R356
330
330
R355
/TALK
TP327
NI
100
100
TP304
R381
R354
R353
0.1
C308
0.1
C310
R309
100k
CPURST
LRMUTE
10k
R320
R371
FG
U2SDT
SCLK
S2UDT
SCS
HAGUP
22k
R308
TP330
NI
10k
10k
TP331
R372
R373
C351
0.01
C352
0.015
SPDRV
TRSDRV
C306
0.1
IC301
MN2DS0004AA-H
C309
NI
0.1
R383
TP313
NI
R377
NI
R376
NI
R375
NI
R374
/HFMON
/DRVMUTE
/SPMUTE
TRVSW
DISCSET
DISCSTP
TP307
TP308
TP309
TP306
C331
C333
C332
0.033
0.1
TP312
TP302
TP303
R399
NI
TP328 C343
TP329
0.1
C334
C335
0.1
0
R314
TP314
TP315
C337
0.018
0.1
C338
0.1
C348
0.1
0.1
0.0056
C350
C330
C358
NI
0
150
R313
R363
RF+
C305
0.1
C341
R340
C356
C316
000
R393
0.1
0.1
0.1
0.1
0.1
0.1
0.1
C319
C347
C320
C321
C322
C323
C314
0.1
C349
0
R312
LPCO1
LPC1
TP332
1
1
C324
C340
VREFH
VHALFT+LPCO2
LPC2
P3.3V
47/4
C302
C303
TP325
TP320
TP319
TP317
C315
C311
R394
R307
1k
R306
1k
0.1
0.1
C313
C339
1
R348
30k
R342
C312
0.1
C327
1
NI
0.1
C317
R334
R335
R336
R337
R338
R339
C391
C346
NI
C345
NI
C344
NI
NI
TP321
47/6.3
C359
DGND
R351
1M
R352
0.1
0.1
6.8
2.2k 0.1
R347
R346
TP300
0.1
150
150
150
150
0.1
R395
4.7k
R301
1
R362
R364
R357
R360
R359
R365
R358
R366
R367
TP301
0
0
C360
NI
680
X351
NAD0025-103X
910
R302
R345
R315
R316
R343
C318
20k
22k
2k
C361
330
NI
220
220
220
NI
220
NI
220
C325
NAX0550-001X
C326
3.6k
C354
TH301
D4V
NI
C328
220
0
0
NI
0
DVDLDCUR
1
R341
R317
C353
CDLDCUR
18p
15p
FODRV
TRDRV
BA00HC5WF-X
PCMCLK
AD4
A
B
C
D
E
F
AOUT0
AOUT2
LRCLK
DAC5OUT
DAC4OUT
DAC3OUT
DAC2OUT
DAC1OUT
IC302
AIN
BCK
R368
560p
560p
TX
NI
R319
0
R392
10k
TP305
S3.3V
NQR0354-001X
C301
K352
D2V
22/6.3
1
C304
C336
PWR
INDEX
TRACK
COPY
DEMP
DATAM
BCKM
LRCLKM
RX
220/4
CPURST
TP318
TP316
NI
CN301
SPDRV
MGND
TRSDRV
FG
FODRV
/SPMUTE
/DRVMUTE
VHALF
NI
NI
C910
C908
TP99
TP98
SHEET 7
2-8
Page 11
DVD servo section (2/2)
(SHEET 7)
LADD15
LADD14
LADD13
LADD12
LADD11
LADD10
LADD9
LADD8
EXADR19
EXADR20
NEXWE
CPURST
R532
EXADR18
EXADR17
LADD7
LADD6
LADD5
LADD4
LADD3
LADD2
LADD1
NI
R535
47k
(SHEET 7)
C552
0.1
IC453
47/4
C558
C382
IC512
SN74LVC373APW-X
C553
IC513
SN74LVC373APW-X
P3.3V
K350
NQR0354-001X
2.2
C381
470p
NI
R451
C451
C454
CPURST
R453
10k
0.1
MM1563DF-X
C455
0.01
C551
LADD7
EXADT7
EXADT6
LADD6
LADD5
EXADT5
EXADT4
LADD4
NEXCE
LADD15
EXADT15
EXADT14
LADD14
LADD13
EXADT13
EXADT12
LADD12
NEXCE
IC305
R458
1k
D1.2V
0.01
0.1
DISPS2D
DISPD2S
DISPCK
D4V
C380
1
R380
47k
K566
0
MDQ0
MDQ1
MDQ2
MDQ3
MDQ4
MDQ5
MDQ6
MDQ7
DQM0
NWE
NCAS
NRAS
NCSM
BA0
BA1
MA10
MA0
MA1
MA2
DQM2
MDQ16
MDQ17
MDQ18
MDQ19
MDQ20
MDQ21
MDQ22
0.1
C555
0.1
0
R457
DISPRST
2.2k
C452
0.1
S2UDT
U2SDT
SCLK
SCS
TP413
TP416
TP415
TP414
IC509
AT49BV322AT70TI
LADD0
IC508
R502
IC507
TP473
LSENSOR DISCSET
(SHEET 9)(SHEET 9)
CN453
TP472
QGA2001F2-03X
TP471
CN452
QGA2001F2-02X
TP456
TP457
TP454
TP455
QGF1016F2-15W
CN451
To CN1 LVA10403-A1
(SHEET 9)
TP459
TP462
TP461
TP460
EXADR16
EXADT15
EXADT7
EXADT14
EXADT6
EXADT13
EXADT5
EXADT12
EXADT4
EXADT11
EXADT3
EXADT10
EXADT2
EXADT9
EXADT1
EXADT8
EXADT0
0NI
NEXOE
NEXCE
R530
NEXCE
LADD0
EXADT0
EXADT1
LADD1
LADD2
EXADT2
EXADT3
LADD3
LADD8
EXADT8
EXADT9
LADD9
LADD10
EXADT10
EXADT11
LADD11
S3.3V
TP380
10k
PWR
NI
R459
S-80827CNNB-W
X451
NAX0248-001X
C554
0.1
NI
R501
C559
0
NI
C560
NI
TP474
STEDSW
TP452
TP453
TP451
CLSWT3
CLSWT2
CLSWT4
CLSWT1
CLSWT5
STSTSW
MTOPSW
TP458
POSMUP
MTOP
POSMDN
MTCL
IC451
MN101C61GNE1
0
K562
DISPBUSY
TP412
R452
CPURST
TP417
IC505
W986432DH-7
EPCS
EPSK
DISPCS
TP411
UCS
IC704
CS5342-CZZ-X
C704
C707
R716
AIN
220
MDQ15
MDQ14
MDQ13
MDQ12
MDQ11
MDQ10
MDQ9
C557
0.1
MDQ8
DQM1
MCK
MA9
MA8
MA7
MA6
MA5
MA4
MA3
DQM3
MDQ31
MDQ30
MDQ29
MDQ28
MDQ27
C556
1
MDQ26
MDQ25
MDQ24MDQ23
DISCSTP
POSMDN
POSMUP
STEDSW
MTOPSW
CLSWT5
CLSWT4
CLSWT3
CLSWT2
CLSWT1
STSTSW
EPDI
R455
10k
R454
10k
CN455
NI
INDEX
BCK
AOUT0
LRCLK
DACPDN
DAC0CS
DCLK
DDATA
AOUT1
TRACK
AOUT2
COPY
PCMCLK
R710
IC707
NI
C720
C721
MTCL
MTOP
IC452
BR93L56RFV-W-X
10k
R456
EPCS
EPSK
EPDI
EPDO
EPDO
R718
10k
NQR0129-002X
NI
NI
0.1
C453
2.2
C708
2.2
5.1
R719
IC701
AK4384VT-X
R717
47k
IC702
AK4384VT-X
IC703
AK4384VT-X
R702
2.2
K451
0
C705 C706
2.2 2.2
R720
C714C716C718
B3.3V
2.2
47k
C712
10/16
0.1
C713
C709
47/6.3
C715
0.1
0.10.1
C717
M9V
R715
220
R714
220
NI
C711
C710
R722
0
0.1
R704
470
R703
470
C703
1
R701
0.01
C702
0
TP708
R741
R742
MGND DGND
R707
R743
R708
R744
0.1
NI NI
C722
R721
DAC1OUT
DAC5OUT
DAC3OUT
DAC2OUT
S5VD2VM5V
DAC4OUT
RX
TX
0.1
NQR0129-002X
NI
R728
DISPS2D
DISPD2S
DISPCK
DISPCS
DISPRST
IC705
NQR0129-002X
470
NQR0129-002X
470
NQR0129-002X
C701
MM1615AN-X
470
470
TP723
K551
K552
K553
K554
K556
R562
K555
K565
K564
K563
DISPBUSY
R561
1
R706
R705
NI
K721
LRCLKM
NQR0129-002X
NQR0129-002X
NQR0129-002X
NQR0129-002X
NQR0129-002X
100
NQR0022-005X
1k
TP722
TP725
NI
K722
DATAM
NI
NI
NI
TP704
TP701
TP703
AGND
TP702
TP705
TP707
QGF1016F2-10W
CN701
To CN401
OF LVA10468-A1
QGF1016F2-08W
CN702
(SHEET 2)
LRMUTE
SWMUTE
TP710
TP709
TP721
TP724
TP726
TP727
TP728
To CN402
OF LVA10468-A1
(SHEET 2)
NI
NI
NI
NI
NI
K723
R726
R725
R723
R724
DEMP
BCKM
INDEX
TRACK
COPY
TP558
TP557
TP552
TP549
TP554
TP550
TP546
TP556
QGF1016F2-28W
CN703
TP551
TP547
TP543
TP540
TP531
TP538
TP532 TP541
TP533
TP534
TP535
TP536
TP537
TP545
To CN403
OF LVA10468-A1
(SHEET 2)
SHEET 8
2-9
Page 12
(
)
DVD changer mechanism section
SW6
QSW0931-001
QGB1214J1-08S
CN3
QGB1214K1-08S
CN2
IC2 IC1
LB1641 LB1641
C5
0.01/50
IC1
QSW0886-002
QVY0002-B14
SW8
C3
0.01/50
WJM0331-001A
WJM0330-001A
TR3_CL
TR2_CL
TR4_CL
TR1_CL
TR5_CL
M.TR_OP
QGF1036F1-16
CN1
(SHEET 8) (SHEET 8)
SW5
QSW0844-001
TR5_CL
SW4
QSW0844-001
TR4_CL
SW3
QSW0844-001
TR3_CL
SW2
QSW0844-001
TR2_CL
SW1
QSW0844-001
TR1_CL
TR5_CL
TR4_CL
TR3_CL
TR2_CL
TR1_CL TR1_CL
M.TR_OP
TR5_CL
TR4_CL
TR3_CL
TR2_CL
POS_DOWN
POS_UP
M2
QRA0164-001
D1
MTZJ6.2A-T2
TR_OP
TR_CL
C6C7
0.1/500.1/50
M1
QRA0164-001
C2
0.1/50
C1
100/10
SW7
QSW0886-002
POS_UP
TR_OP
POS_DOWN
TR_CL
To CN451
SHEET 8
OF LVA10510-91A
SHEET 9
2-10
Page 13
<Subwoofer section>
Amplifier section
(SHEET 11)
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
(SHEET 11)
(SHEET 11)
SHEET 10
2-11
Page 14
Mother section
(SHEET 10) (SHEET 10)
(SHEET 10)
2-12
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 11
Page 15
Printed circuit boards
<Main body section>
Main board
R7602
IC491
C7612
C6601
C7608
R7604
R7101
R7103
R7102
C4903
C6501
C4172
C7605
D7501
W4001
D4092
C7604
R7501
D4091
CN410
IC761
C7610
C7609
R7605
C4092
R6501
R6601
C7603
C7602
CN406
R4092
R7601
R7606
K7001
CP471
C4451
C4431
IC431
C4331
C4395
C4173
IC411
C4192
C7102
R7105
R7201
R7401
J4401
D7402
C4473
J4403
J4402
R7107
D7401
J4891
R4478
C4474
C4452
C4432
C4423
R7402
C7401
IC701
C7104
C4443
R4451
R4431
C4112
C4453
R4452
C4424
C4442
C7201
VR701
C4491
IC441
CN404
R4892
C4472
C4492
R4441
C4122
C4412
C4891
C4892
R7202 R7903
C7901
C7903
R7104
R7106
C7101
Q7301
Q7302
R4891
D4891
C4471
R4472
R4486
R4485
R4422
C4455
R4121
R4111
B4002
C4718
C4433
R4432
R4484
C7103
R7904
Q7402
J7002
R4471
C4101
C4402
R7301
Q7401
R4477
B4007
R7901
R7403
R4474
R4473
R4442
R4013 R4014
C4454
C4121
R7902
R4483
Q4482
Q4481
C4011 C4012
L4391
C4411
C7202
R4482
R4481
R4475
B4006
C4102
CN405
R4476
HS491
B4005
C4391
C4321
R4101
R4173
R4421
R4401
R4411
C7902
Q4484
Q4483
R4011
C4171
C4476
C4475
C4901
C4902
R4012
C4413
C4301
R4172
R4191
R7302
C4392
C4311
B4011
B4008
C7402
R7404
C4719
C4904
C4422
C4394
R4171
C4191
C7606
R7603
C4421
C4401
Q4091
C4091
C4441
C4111
C4008
C7611
CN407
R6502
B4038
R4093
C7601
C6004
C6502
IC475
R6602
R6603
C6602 C4712
C4341
B4017
C7613
J7001
R6503
Q4092
R4232
B4001
R4784
R4091
C4351
R4072
R4971
Q4971 Q4972
R4231
R4074
K6003
C6002 C6001
C6003
J6001
R6506
C4713
R4973
CN701
R6606
B4033
R4783
Q4951
R4212
R4211
R4242
R4241
R4202
R4201
B4029
R4073
R4997
K6004
R6001
C6503
C6603
B4015
Q4973
C4077
B4035
R6509
R6505
B4014
C4075
C6614
R4972
R4234
R4233
W6001
C4720
C6615
R6605
R6609
X4071
(Phone jack board)
K6001
K6002
C6617
R6618
R4786
R6614
R6613
R6514
R6513
C6517
R6518
C6516
C6514
R6507
R6504
R6510
C6515
R6508
IC478
C4721
R6607
R6610
R6608
B4009
R6604
C6616
IC474
R4998
C4717
Q4952 R4951
Q4485
R4235
R4252
R4251
R4780
R4779
Q4821
C4078
C4073
R4821
IC481
C4071
C4076
C4079
D4961
R6611
C4716
R4952
R4703
C4001
C4074
R4841
Q4833
R6612
R6511
C4961
Q4832
Q4701
R4961
D4841
C6618
R6512
R4822
D4842
C6518
C4004
D4963
C6611
C6511
K4702
R4704
C4702
D4703
R4778
R4777
R4753
Q4961
R4775
R4776
R4759
EP401
C4715
K4701
B4004
C6612
IC476
R4843
R6616
C6613
R6515
R4758
(Main board)
R4975
R6615
R6617
R4974
R6517
C6513
C6512
R4785
B4003
C4714
C4703
R4705
IC472
C4704
C4706
Q4702
R4706
IC471
R4782
R4774
R4781
Q4954
R6516
B4010
D4962
D4832
D4835
Q4955
R4845
R4844
D4921
C4921
D4704
R4771
D4922
B4018
R4835
R4832
R4882
R4921
PP401
R4713
R4708
D4707
Q4921
C4709
B4019
C4708
R4763
R4773
R4887
D4834
D4831
D4833
R4922
R4712
D4705
Q4703
R4751
C4772
R4711
R4755
R4831
C4922
R4754
X4701
C4771
C4015
R4931
C4705
Q4953
R4606
R4707
B4022
B4034
R4752
D4931
R4605
CN411
R4932
C4710
B4030
C4711
CN402
B4028
IC477
R4709
C4707
C4932
R4710
R4772
B4020
R4876
Q4831
C4931
R4999
B4039
Q4931
D4932
Q4812
B4013
D4709
B4016
C4606
C4605
D4706
R4811
D4708
CN415
CN401
B4024
D4811
Q4811
R6201
C6201
B4027
R4762
R4757
C4774
C4773
W401
R6202
R4756
R4866
R6302
C6202
R4760
R6203
R4864
R6303
C6203
R4761
B4023
C6204
R4801
R4802
C4014
R4861
R4863
B4037
Q4802
R6305
C6901
R6206
R4875
R4872
C6902
R4886
R4883
R4874
C4801
C4017
CN403
R4881
R4873
R6304
C6205
C4016
IC473
R6102
R6205
C6105
R6207
Q4801
R6101
B4032
R4871
B4036
IC601
C6104
EP402
C6101
R6103
C6102
R6105
C4006
C4007
CN450
CN412
C6103
R6107
R4791
R6106
C4002
R4884
EP403
C4791
CN456
B4021
R4842
C4003
CN457
CN460
R4834
R4833
C4010
C4009
C956
P901
R983
R984
Q960
C917
EP902
Q958
R986
R985
D956
R921
R990
D958
C984
Q959
(Power supply board)
FC901
L901
C904
C908
R901
C909
T901
C916
C982
L959
C997
C981
CP952
B3198
C957
C986
R988
R987
L955
D970
C980
C976
D957
D954
IC953
L957
C987
C989
R989
C985
Q961
D901
C979
FW902
C954
C907
C970
C902
Q954
C905
C953
C977
L952
R977
FC902
R905
D902 D903
D953
D952
C952
R910
R911
C913
C965
C978
IC951
B3001
C967
C951
R954
C966
R981
Q955
R907
R903
R969
C968
IC901
D911
C910
C915
K902
B3199
C914
C969
C918
D951
R955
C994
CP951
C960
C961
C963
EP901
PC901
R965
R964
D950
FW901
L951
C964
R906
HS901
Q951
R951
B3113
C993
D991
D960
C962
C992
R961
R962
B3099
R963
EP951
D904
D908
R904
PC902
Q953
R966
Q991
C941
R908
R953
R980
D910
R960
R952
2-13
Page 16
(
)
Front board Audio board
Forward side
W5001
JS541
R541
C541
(Operation board)
FW521
FW561
S522
(Connect board)
C542
R542
C505
K501
B5001
C509
S532 S533 S534 S535 S540 S539 S538 S537 S536 S531
C570
R570
Q565
R565
R501
R502
R503
C502
C503
C501
C508
BK502 BK501
S526
S527
C569
R564
CN561
R569
Q564
D564 D565
X501
DI501
S528
CN551
(Illumination board)
R563
S529
Q563
D563
C504
C568
D551
R536
R568
S523
R562
C567
D562
R567
Q562
Q561
R504
R566
C566
D561
R561
IC511
C510
(Front board)
S521
D511
FW511
(Power key board)
FW502
CN501
R2599
C2603
C2585
C2604
C2597
EP101
TPC2
R2562
C2599
C2592
R2594
R2590
C2590
IC591
IC581
R2582
R2584
C2584
R2586
R2581
C2605
R2561
C2582
C2594
R2592
R2588
C2583
R2583
R2585
C2600
R2596
R2587
R2551
C2589
R2560
C2532
R2534
TPSW1
C2581
TPC1
TPSL1
C2539
C2540
IC531
R2553
TPSR1
C2561
C1254
R2552
Q1251
C1230
TPSW2
CN442
R2554
C2562
R1253
R2533
C2531
R2538
R1254
Q1252
C2541
C2542
C1141
TPR2
IC152
C1143
C2533
C1253
TPL1 TPR1
C1002
R2539
R2541
R2537
C2536
IC151
TPL2
C2578
C2577
IC153
C1001
TPSR2
C2535
C2534
C1145
R2542
R2540
C1144
TPMIC1
CN441
C1251
C2526 R2525
R2526
C2575
R2567 R2568
TPSL2
C2564
R2564
R2566
R1124
C1142
C2576
R2563
R2565
R1123
C2525
C2563
C2527
R1122
C2528
C1252
R1251
R2531
R1252
R2532
C516
Q503
FW502
(Front board)
(Power key board)
C511
R511
D511
S540
FW511
IC511
C510
S521
S539 S538
R539
R538
R537
C512
Q501
Q551
S523
S537
Q552
R553
D568
S536 S531
Q566
D567
D566
Q502
R522
(Illumination board)
Reverse side
IC501
R528
S529
D551
C551
R551
R552
CN551
R534
DI501
S528
R1149
R1165
C1104
R1175
R1176
C1226
R1152
R1166
IC510
IC160
Q1137
R1106
R1105
TPC3
C1214
C1218
C1215
C1180
C1103
R1153
R1155
C1123 C1124
R1154
R1158
C1122
R1121
Q1135
C1225
C1121
R1120
R1148
R1150 C1216
R1157
C1120
R1156
C1105
IC509
C1212
C2503
R1140
C1178
TPSW3
C1213
R1142
C1210
C1223
R1173
R1146
R1171
C1181
C1217
R1101
C1003
TPSR3
R1147
R1151
R1141
C1204
C1209
C1206
R1132
C1228
R1139
C1177
TPSW4
TPC4
R1102
R1138
C1207
IC159
C1211
C2504
TPSL3
R1143
R1145
C1179
R1163
R1104
C1125
C1102
R1108
R1144
R1172
Q1133
R1174
C1101
R1107
C1224
R1109
C1208
R1164
R1103
R1197
C1183
TPR3
R1202
J1103
C1202
Q1131
C1221
R1162
TPSL4
R1170
C1222
TPSR4
J1101
TPR4
(Audio & Digital input board)
R1136 R1134
TPL3
R1131
R1133
R1137
C1227
TPL4
R1201
R1167
K1101
C1203
R1169
C1205
R1161
R1110
C1201
R1135
IC158
C1176
R1168
C507
C506
R533
S533
S534 S535
S532
C505
W5001
K502
B5002
JS541
R531
R532
BK502 BK501
C509
(Operation board)
R527
CN561
S527
R526
S526
R521
FW521
S522
FW561
Connect board
2-14
Page 17
DVD servo board
DVD loading board
C908
C264
R125
R127 R128
R535
R530
IC509
C204
C105
C106
R532
R744
K201
R708
C558
R723
R707
R743
Q102
R110
R724
R742
Q104
R115
R116
R108
R106
R103
C554
R725
R726
R114
R111
R112
C108
R117
R118
R107
R109
R104
C308
Q103
R113
Q101
C329
R303
R375
C334
C333
C331
C306
C551
K721
R251
R320
R353
K722
R705
R371
R354
C557
R252
Q105
R105
R376
R308
R383
R728
R377
R315
R316
C339
C313
C217
R317
C312
IC505
K723
R374
R341
C318
Forward side
C709 C713
R721
C722
R706
R741
C263
CN101
R363
C337
C338
C332
C309
C349
C324
R312
C314
R334
R336
R339
C341
R399
R313
C330
C350
C556
C319
C347
R348
R340
R314
C335
R342
R335
R392
C326
R352
R351
C325
R337
R395
TH301
C311
C315
C302
C555
R338
R343
K551
K101
C109
K102
C111
D101
X351
R124
R123
R126
R121
K552
C103
R102
C104
R119
R120
C110
K553
C101
C102
R122
C107
R101
K554
K556
C454
R453
C303
IC451
K451
C453
C451
C301
X451
CN453
CN452
K352
R451
IC452
R456
C910
K566
K562
R452
R457
(Motor board) (Sensor board)
R1
CN2
C1
CN1
IC2
C7
C5
C2
C6
M2
M1
(Switch board)
SW8
CN703
TP531
TP545
TP541
TP532 TP533
CN455
TP543
TP546
TP534 TP535
TP536 TP537
TP412
TP538 TP540
C452
TP462
CN451
TP454
R561
TP474
TP473
TP456
TP455
TP453
K563
K564
R702
IC707
TP472
TP471
TP321
TP451
TP98
K555
K565
C721
C720
R454
R455
R722
C706
TP547
TP458
TP457
TP452
C704
IC704
R710
TP549
TP550
TP461
TP460
TP459
TP380
C381
R380
C361
R302
C707
R718
TP552
K350
C382
IC305
R716
R715
TP554
C359
R301
C710
C711
TP556
TP557
C455
IC453
C328
R714
TP558
TP417
R459
C360
C708
TP551
R208
C354
C353
R254
TP416
C705
R719
C317
C316
C356
R458
TP231
C336
C380
C304
TP414
R720
R367
R366
IC302
R306
R307
TP415
IC701
R717
IC702
IC703
C327
TP227
R346
TP318
C702
C714
C716
C718
R319
TP305
C391
R365
R347
TP320
IC705
TP319
CN701
R394
TP300
TP317
TP316
TP325
Reverse side
TP722
C701
C703
TP708
R701
C712
TP15
R704
R703
TP10
TP7
C715
C717
TP701
TP703
TP704
TP705
R345
R562
R358
TP707
TP301
R357
C305
R364
C340
R393
R359
R360
R362
TP721
TP702
TP709
R368
TP710
CN702
TP1
IC201
TP220 TP221
TP330
TP304
TP331
TP413
C343 C344 C345 C346
C320 C321 C322 C323
TP27
TP4
R355
C300
C262
TP23
TP2
TP324
R356
TP411
C307
IC301
C358
C348
TP28
TP3
TP99
TP332
TP322
TP323
C552
CN301
C553
IC512
CN201
TP723
TP724
R206
R219
TP20
TP17
TP18 TP19
TP13
TP11
TP8
TP6
TP5
TP309
TP306
TP314 TP315
TP307 TP308
IC513
C260
C261
TP21
TP725
TP726
C205
R385
C371
R201
R384
R214
TP16
TP14
TP12
TP9
TP312
TP303
TP302
C352
R255
R373
TP22
TP24
TP727
R204
TP328
TP329
TP327
TP313
C351
R372
TP25
TP728
R257
R259
C256
R221
C251
C257
C258
C259
TP226
R205
R220
R215
C310
TP26
C206 C211
R309
R213
R207
R381
C3
D1
IC1
(Tray switch board)
CN3
SW7
SW1
SW6
SW5 SW4 SW3 SW2
2-15
Page 18
(
)
(
)
<Subwoofer section>
Amp board
R2611
C2607
R2610
C2608
R2613
R2507
R2508
C2502
C2505
D2501
R2503
D2401
R2513
R2606
R2608
R2607
C2402
R2711
C2405
D2601
Q2708
R2403
C2404
C2504
C2604
C2712
C2708
Q2703
R2413
C2606
R2605
Q2601
Q2501
C2602
C2605
R2509
R2603
R2609
L2601
Q2706
R2506
R2723
D2704
D2703
R2724
R2604
Q2707
R2702
R2504
R2505
R2404
CN273
C2506
R2407
R2408
Q2401
R2406
C2703
R2409
C2704
R2721
R2405
R2701
C2406
C2702
D2702
R2722
R2704
C2707
R2707
C2701
D2701
C2407
C2408
C2508
C2507
Q2701
R2703
R2706
IC202
R2510
Q2702
R2410
L2401
L2501
HS201
R2411
R2511
C2714
TH271
Q3402
C3404
R3411
R3311
C3304
C2705
C2715
R3410
(Amp board)
C3403
Q3401
R3406
R3409
D3402
D3401
D3301
D3302
C2716
R3407
R3405
R3408
R3412 R3413
IC302
R3307 R3308 R3309 R3310 C3301
R3306
Q3301 Q3302
C3303
R3313
R3312
C2706
EP201
R2709
R2708
C2302
C2306
R2305
R3404
C3703
R3303
R3304 R3305
C3704
R2304
C2710
C2305
R2204
C3402
C3302
R2313
R2710
CN271
R2303
R2104
R3402 R3403
C3401
R3401
R3302
R3301
C2202
C2205
R2203
R2306
C2713
R2213
C2304
C2204
R2307
Q2301
R2113
R2103
C2102
C2105
R2705
B21
C2104
R2309
D2301
R2205
C2206
R2206
R2308
C2106
R3211
R2105
R2207
R2209
C3204
C3104
R3110
Q2201
Q3102
R3213
R2106
Q3201 Q3202
D3202
D3201
D3101
D3102
R3212
R3107 R3108 R3109
R3113
Q3101
R3112
R3207
R3208 R3209 R3210
R2109
R2208
IC201
D2201
R2108
IC301 R3111
D2101
CN272
C3203
R2214
L2201
R2107
R2314
C2308
C2107
R3206
R3205
R3105
R3106
C3103
Q2101
C2307
C2208
R2210
L2301
C2108
R2310
R2311
L2101
R2111
C3202
R3204
C3701
R3104
C3702
R2614
C2711
C3102
R2514
R2414
C2207
R2114
R2110
R3202 R3203
C3201
R3201
R3102 R3103
C3101
R3101
R2211
RY271
RY272
D2706
RY273
C2403
C2303
C2603
C2103
C2203
L2302
L2602
L2502
L2402
C2412
L2202
R2415
C2503
WC201
R2402
R2102
C2211
C2411
R2215
C2311
R2615
C2212
R2315
C2312
C2511
C2512
R2302
R2602
R2601
R2101
R2112
R2501
R2512
R2202
R2412
R2401
R2612
R2502
C2413 C2414
C2513 C2514
C2613 C2614
C2313 C2314
C2612
C2611
R2515
R2312
R2201
R2301
J2701
R2212
C2213 C2214
CN502
C163
R153
HS151
D153
D152
FC156
Mother board
C158 C159 C157
D154
FC155
CN151
FC157
C164
R152 R151
C151 C153 C155
C152 C154 C156
D151
R562
R560
R563
FW501
R559
D541
C161
R572
R573
D551
D549
D550
R522
C523
D510
Q603
Q505
C503
C512
D514 FC158
R625
Q517
R506
D509
D516
Q504
C162
R534 R536
Q525
R535
R627
Q502
D506
C522
R540
Q524
R533
D521
Q523
D520
D504
R538
D503
D501
R163
R166
C501
R502
R164
R626
D502
R501
D162
R505
D164
C167
D517
Q501
R162
R161
Q604
R539
D611
R503
Q542
D518
D161
C165
D163
CN501
D519
Q151
R556
R622
C166
C168
R557
R523
D542
D552
D166
Q152
R553
D544
C171
R165
EP501
D545
C172
R606
R607
R608
R612
R171
R554
R614
R624
D165
R561
R172
R558
R613
D543
CN281
R623
C592
C591
D546
D548
D610
C606
D553
R621
X601
C601
R3732
C605
R628
R615
D601
CN373
R645
R3741 R3742
C3604
R3610
C3504
R3510
Q3502
R603
IC601
R631
R633
R632
R601
R602
R634
R3719
C3721
R3730
R3728
R3729
C3715
CN371
D3707
D3706
C3720
R3727
R3725
J2702
FW501
R3726
D561
S901
CN372
R611 C602
R3608
C3705
D3602
D3601
R3611
D3501
R3511
D3502
R3509
R3507
Q3501
R3513
R3512
Q3701
R644
R643
R642
R641
R640
R639
R638
B1
R629
R637
C603
CN274
R635
R636
R3508
C604
R3605
IC303
C3503
R3506
IC602
R555
R3505
C502
D505
D507
C3602
R3607
Q503
D101
Q3707
R3604
Q3706
R3602
R3603
C3601
C3502
R3501
R3502
R3503
R3504
C3501
C3706
FC103 FC104
FC101
FC102
C101
CN101
RY101
R504
D535
R3721
R3601
D3708
Q3704
D3704
D3703
Q3703
CN102
R3718
Q3705
R3720
C3716
Q3702
R3717
LED board
2-16
Page 19
< MEMO >
Page 20
VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.MB231SCH)
Printed in Japan
WPC
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