JVC TH-A55 Page 29 Service Manual Download

Page: 29 / 73

2-1

AUDIO L IN

AUDIO R IN

J1101

IC409

OPT
DIGITAL IN

IC158

AMP

IC159

AMP

IC160

AMP

IC410

SLOUT

SROUT

SWOUT

LOUT

ROUT

COUT

J1103

D3V

A3V

IC406

DSP

MICOM

IC403

DSP

X402

OSC

6.14MHz

IC407

REG

IC402

REG

IC404

RAM

X401

OSC

24.576MHz

IC153

6ch

VOLUME

IC531

AMP

IC561

AMP

IC581,IC591

AMP

IC401

CODEC

IC408

INPUT

SELECTOR

IC151

INPUT

SELECTOR

IC510,IC511

AMP

CN401

A0 to 16
I/O1 to 8

TXO

CDTI, CCLK, CS

IEC958

Q1131,Q1133,Q1135

S_MUTE

TU/TV-L, TU/TV-R,
TU/TV, AUX

HP-L

HP-R

DSP board

RIN +/-

LIN +/-

DSPSTATUS,
DSPCOMMAND
DSPREADY
DSPCLK

SDTO,SDTI1
SDTI2,SDTI3

VOL_STB, VOL_DT, VOL_CK

MIACK, MICK, MILP, MICS,
MIDIO, ERR,FORMAT,
CHANNEL, RST_DET,
DIGTAL0, AUTODATA

J571
HEADPHONE

Headphone board

W571

Switch board

Volume board

S571

KEY4

W561

S561 to S563

KEY3, KEY4

S564, S565

W551

S551 to S553

VOLUME

KEY2

FL board

CN502

IC502

REMOCON

IC501

DISPLAY

MICOM

X501

OSC

8MHz

DI5012

FL DISPLAY

DATA IN,
INITIAL,
RESET,
CLOCK

F+,
F-,
-VDISP

P1 to P35, G1 to G14

REMOCON

HP-L
HP-R
HP

Power board

P901

AC IN

F901

L901

D901

T901

POWER

TRANS.

PC901

Photocoupler

PC902

Photocoupler

IC901

SW REG

IC951

D5V REG

IC953

B5V REG

Q953

-VDISP

Q958

A+12V REG

Q961

A-12V REG

Q954

DVD5V REG

Q964

DVD3.3V REG

Q951

FL SW

S581

POWER SW

KEY1

F+

F-

-VDISP

Q957

FAN DRIVE

CN903

FAN

MOTOR

FANCTRL

CN901

CN902

W402

CN406

IC491

A5V REG

Q4921

A+7V REG

Q4931

A-7V REG

Q4901

TU9V REG

W401

CN405

DVD

MECHA

UNIT

DVD

MECHA

UNIT

A+12V
A-12V

B5V
D5V

CN410

TUNER

IC471

SYSTEM

MICOM

X4701

OSC

8MHz

IC431

VIDEO

DRIVER

Q4703

IC492

TV-SOUND

/TUNER

SELECT SW

TU-CE,TU-CK,
TU-DI,TU-DO

TU-L/R

CN412

IC601

AMP

CN411

CN408

TV/TU-L,
TV/TU-R

J4441

VIDEO IN
(S-VIDEO)

(COMPOSITE)

AV
COMPU
LINK

J4891

J4402

VIDEO-MUTE1,
VIDEO-MUTE2,
VIDEO-Y/CMIX,
VIDEO-RGB,
VIDEO-LPF

DVD-110,
DVD-112,
DVD-114,
DVD-118

AVVLR

A-7V

A+7V

A5V

DSTOP, SCLK, INTP, U2SDT,
S2UDT, CS, CPURST, DSET

SWUPDN, SWOPEN, LMMUTE,
TCLOSE, TOPEN

IC472

RESET

Q4801

S-MUTE DRIVER

CN407

CN501

Main board

Cr OUT

Cb OUT

Y2 OUT

Y1 OUT

CHROMA OUT

COMPOSITE OUT

S4401

PAL/NTSC

NTSEL

TU9V

Block diagrams

<Main body section>

J4401

VIDEO OUT
(S-VIDEO)

(COMPOSITE)

IC411

VIDEO

VIDEO OUT
(COMPONENT)

Y-IN

C-IN

CV-IN

Summary of Contents for TH-A55

Page 1: ...MPANY OF JAPAN LIMITED No MB108 2003 12 DVD DIGITAL CINEMA SYSTEM MB108 2003 12 TH A55 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 7 4 ADJUSTMENT 1 24 5 TROUBLESHOOTING 1 25 Area suffix A Australia ...

Page 2: ...z intervals General Power Requirements AC 240 V 50 Hz Power Consumption 20 W at operation 2 5 W in standby mode Dimensions W H D 398 mm 70 mm 265 mm Mass 2 7 kg Subwoofer Amplifier Front Center Surround 80 W per channel RMS at 6 Ω at 1 kHz with 10 total harmonic distortion Subwoofer 120 W RMS at 4 Ω at 100 Hz with 10 total harmonic distortion Speaker Speaker unit 20 cm Bass reflex Magnetically Shi...

Page 3: ...ack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Page 4: ...ter to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 5 4 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Remove solder of the short lands on the flexible wire after replacing the optical pickup For specific details r...

Page 5: ...tches malfunction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure CAUTION Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check VARNING Osynlig laserstrålning är denna del är öppnad osh spårren är urkopplad Betrakta e...

Page 6: ...1 6 No MB108 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 7: ... of the main body remove the three screws B attaching the rear cover See Fig 2 2 From the top side of the main body remove the two screws C and two screws D attaching the rear cover See Fig 3 3 Remove the rear cover upward Fig 2 Fig 3 3 1 3 Removing the rear panel See Fig 4 Prior to performing the following procedures remove the top panel and rear cover 1 From the rear side of the main body remove...

Page 8: ... See Fig 6 Fig 5 Fig 6 3 1 5 Removing the DVD mechanism assembly See Figs 7 and 8 Prior to performing the following procedures remove the top panel and rear cover 1 From the top side of the main body remove the two screws H and screw J on the DVD mechanism assembly See Fig 7 2 Disconnect the connectors CN502 and CN503 on the DVD servo board from the connectors CN405 and CN406 on the main board whi...

Page 9: ...ew L and two screws M attaching the DSP board See Fig 9 Reference When attaching the DSP board hang the DSP board on the section d of the barrier See Fig 10 3 1 7 Removing the tuner See Figs 9 and 11 Prior to performing the following procedures remove the top panel rear cover and DSP board 1 From the top side of the tuner disconnect the card wire from the connector CN1 on the tuner See Fig 11 2 Fr...

Page 10: ...o the connectors CN901 and CN902 on the power board bundle the wire by the wire clamp Fig 12 3 1 9 Removing the power board See Fig 13 Prior to performing the following procedures remove the top panel rear cover and rear panel 1 From the top side of the main body disconnect the card wires from the connectors CN901 and CN902 on the power board 2 Remove the four screws Q attaching the power board 3 ...

Page 11: ...ion part g Before attaching the FL board insert FL board in the section h 3 2 2 Removing the head phone board See Fig 1 Remove the screw R attaching the head phone board take out the head phone board Fig 1 Fig 2 3 2 3 Removing the switch board See Fig 3 Prior to performing the following procedures remove the FL board Remove the two screws S attaching the switch board take out the switch board 3 2 ...

Page 12: ...ors CN201 and CN202 on the DVD servo board Caution disconnecting the flexible wire from connector CN101 on the DVD servo board If the flexible wire is disconnected without attaching sol der the DVD pickup unit may be destroyed by static electricity 2 Release the locks of the connector CN101 in the direction of the arrow 1 on the DVD servo board disconnect the flexible wire 3 Release the locks of t...

Page 13: ... direction of the ar row Fig 4 3 3 5 Removing the tray drive board See Fig 5 Prior to performing the following procedures remove the clamper base 1 From the bottom side of the DVD mechanism assembly re move the solders from the soldered sections f on the tray drive board 2 Remove the screw B attaching the tray drive board to the DVD mechanism assembly Fig 5 Clamper base A A Boss d Boss d A A Secti...

Page 14: ...otor to the DVD mech anism assembly Fig 6 3 3 7 Removing the DVD traverse mechanism assembly See Fig 7 Prior to performing the following procedures remove the DVD servo board and clamper base 1 From the top side of the DVD mechanism assembly re move the four screws D attaching the DVD traverse mech anism assembly to the loading base 2 Take out the DVD traverse mechanism assembly from the loading b...

Page 15: ... the DVD pickup unit on the preceding page 1 Attach the SW actuator and shaft to the DVD pickup unit See Fig 10 2 Engage the section i of the DVD pickup unit to the shaft of the DVD traverse mechanism assembly first and set the both ends of the shaft of the DVD pickup unit in the sections g and h of the DVD traverse mechanism assembly See Fig 11 3 Slide the DVD pickup unit all the way in the direc...

Page 16: ...he top side of the DVD traverse mechanism assem bly remove the feed motor wire that is soldered to the spin dle motor board See Fig 13 2 From the bottom side of the DVD traverse mechanism as sembly remove the three screws G attaching the spindle motor board See Fig 14 Fig 13 Fig 14 Remove the solders DVD traverse mechanism assembly Spindle motor board Feed motor wire G G DVD traverse mechanism ass...

Page 17: ... the screw H attaching the feed holder assembly and then take out the feed holder assembly See Fig 15 3 Remove the screw J attaching the thrust spring See Fig 16 4 Remove the feed gear and lead screw in the direction of the arrow See Fig 16 5 Remove the two screws K attaching the feed motor See Fig 17 Fig 15 Fig 16 Fig 17 H Feed motor H Remove the solders DVD traverse mechanism assembly Feed motor...

Page 18: ...e four screws A attaching the heat sink cover See Fig 1 2 Remove the nine screws B attaching amplifier assembly See Fig 2 3 Move the amplifier assembly backward and disconnect the wire from connector CN402 in the lower part of the amplifier assembly See Fig 2 Fig 1 Fig 2 A A Amplifier assembly Heat sink cover B B B Amplifier assembly CN402 ...

Page 19: ...e card wires from the connectors CN101 and CN102 on the mother board See Figs 4 and 5 2 Disconnect the connectors CN401 CN403 and CN404 on the SP terminal board from the connectors CN501 CN503 and CN504 on the mother board while lifting the SP termi nal board upward See Fig 5 3 Take out the SP terminal board from the amplifier assem bly Reference When attaching the SP terminal board insert the SP ...

Page 20: ...3 Take out the mother board assembly from the amplifier as sembly Fig 6 3 4 5 Removing the mother board See Fig 7 Prior to performing the following procedures remove the am plifier assembly rear panel SP terminal board and mother board assembly 1 From the bottom side of the mother board remove the two screws G and two screws H attaching the mother board 2 Disconnect the connectors CN521 CN522 CN53...

Page 21: ...Prior to performing the following procedures remove the am plifier assembly rear panel SP terminal board mother board assembly and mother board 1 Remove the three screws K attaching the heat sink to the power amplifier board B See Fig 8 2 From the bottom side of the power amplifier board B dis engage the four sections c of the engagement See Fig 9 3 From the top side of the power amplifier board B...

Page 22: ...ert the tip of a flat bladed screwdriver or similar tool into the space between the speaker main body and speaker net and lift the speaker net little by little to remove See Figs 12 and 13 Note To prevent damaging the speaker net and speaker main body insert cushioning plates etc to the section f and below the tip of the flat bladed screwdriver or similar tool 2 Take out the speaker net from the s...

Page 23: ...he speaker main body remove the eight screws M attaching the speaker See Fig 14 2 Take out the speaker from the speaker main body See Fig 15 3 Disconnect the wires from the terminal of the speaker See Fig 15 Fig 14 Fig 15 Speaker Speaker main body M M Speaker Terminal Speaker main body ...

Page 24: ...ing four different states which are switched over every time the CHOICE button on the remote control unit is pressed 7 The test mode is exited when the power is switched on or off Fig 1 NOTE 1 Press the CHOICE button once Firmware version display mode The FL display shows the version numbers of the micro computers in use Displayed information System firm Front end FE firm Back end BE firm 2 Press ...

Page 25: ... No MB108 1 25 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 26: ... No MB108 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

Page 27: ...08SCH 2003 12 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD TH A55 Contents Block diagrams Standard schematic diagrams Printed circuit boards 2 1 2 3 2 14 to 19 CD ROM No SML200312 Area suffix A Australia DVD DIGITAL CINEMA SYSTEM ...

Page 28: ... 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 29: ... HP R HP Power board P901 AC IN F901 L901 D901 T901 POWER TRANS PC901 Photocoupler PC902 Photocoupler IC901 SW REG IC951 D5V REG IC953 B5V REG Q953 VDISP Q958 A 12V REG Q961 A 12V REG Q954 DVD5V REG Q964 DVD3 3V REG Q951 FL SW S581 POWER SW KEY1 F F VDISP Q957 FAN DRIVE CN903 To FAN MOTOR FANCTRL CN901 CN902 W402 CN406 IC491 A5V REG Q4921 A 7V REG Q4931 A 7V REG Q4901 TU9V REG W401 CN405 To DVD ME...

Page 30: ... PROCESSOR IC251 SPINDEL MOTOR DRIVER IC301 SODC IC401 UNIT CPU IC451 EEPROM IC501 PANTERA 2 IC505 16M SDRAM LD 49 50 53 54 57 to 60 62 63 T F 11 12 13 14 98 11 STD 0 to 7 LSI RST 1 CPU A0 to 17 WAITDEC DVD traverse mechanism CN406 IC201 DRIVER FM LM 17 18 15 16 SM1 3 2 4 7 H1 H2 H3 9 to 14 50 CPU D0 to 7 X571 OSC 27MHz 79 47 6 IC509 FLASH ROM IC512 IC513 Latch 114 118 112 110 CN405 M9V D5V S5V D3...

Page 31: ...7 CN902 D958 R921 C983 CN901 KTA1267 YG T 10 470 0 47 S1WB A 60 4101 QEZ0136 001Z ERA18 04 T1 0 0033 ERA18 04 T1 NI 100p 1000 PC123Y02 STR G6651 27 0 2 2k 68K ERA18 04 T1 0 1 50 39 25 100P 1000 ERA18 04 T1 ERA18 04 T1 220p 50 470p 50 FMB 24 3 3K KRC103S X ERA18 04 T1 PC123Y02 0 0022 AC250V ERA18 04 T1 100p 50 ERA18 04 T1 100p 1000 100p 50 EU2YX LFH6K 680 100p 50 82 10 1 5 25 2SC3576 JVC T 10k 22k ...

Page 32: ...9 001 220 220 1SS133 T2 4 7K 1SS133 T2 QAX0263 001Z 10K 1SS355 X 220 KRC102S X KRA104S X KRA104S X 22K 2SB709A QR X 22K 22K KRC102S X 0 22 50 22K ICP N5 T KTA1271 OY T 2SD601A QR X 10 16 10K 4 7K 820 0 01 0 0 0 0 0 220 0 01 0 01 220 QGA2001C1 03 KRC102S X 12K 39K 1SS133 T2 22K 15K 1SS133 T2 39K 12K 0 01 1SS133 T2 1SS133 T2 1SS133 T2 47 25 680 100 16 100 16 0 01 16 0 01 16 QAX0246 001Z 10K 10K 680 ...

Page 33: ...3 R4478 R4477 C4122 C4112 C4102 R6901 R6903 0 0 1 6 3 0 0 0 HA17558AF X HA17558AF X 1 6 3 0 01 16 1 6 3 18P 18P 150K 150K QNN0386 001 10K 10K QNZ0516 001 75 75 75 75 75 75 75 75 75 75 470 6 3 470 6 3 470 6 3 470 6 3 470 6 3 0 01 16 KRC102S X 10K 10K 470 6 3 MM1233XF X 100K 100K 4 7 50 KRC102S X 4 7 50 47 16 0 01 47 50 47 50 33 220 33 470 10 470 10 0 1 16 47K 4 7 25 0 KRC102S X 2K 0 10K QGA2001C1 0...

Page 34: ... x 0 1 QJK011 060601 QGB1216K1 14S QGA2001F1 02 X 220 x x 0 01 16 470p 0 01 16 470p 3 3K 3 9K 3 3K QLF0119 002 1K 1K 1K 3 9K 100 6 3 1K QAX0246 001Z 100K 0 01 16 QJK011 030703 CLOCK INITIAL RESET CLOCK DATAIN DATAIN INITIAL KEY2 G5 G6 G7 G8 G1 G14 G9 G10 G11 G12 G13 P35 P34 P33 P32 P31 P30 P29 P28 P27 P26 P25 ILUMI_DIM ILUMI_LED G14 REMOCON G2 REMOCON G3 G4 G2 G3 G4 G5 G6 P24 P23 P22 G7 G8 P21 G9 ...

Page 35: ... 100 6 3 220 0 1 16 47 6 3 UPD784215AGC167 10k KRC107S X 10k 100p TC9446F 025 10k 4 7k 120p DAN202K X DAN202K X DAN202K X 10k GP1FA352RZ 0 0 1 16 10K 100p 2 2M 1 6 3 0 01 16 0 001 0 001 100 6 3 0 1 16 220 4 3k 8 2k 8 2k 8 2k 100 6 3 0 01 16 100 6 3 0 01 16 0 1 16 0 01 16 220 220 220 220 220 220 0 4 7k 100 6 3 220 220 A12 MUTE CS DSPSTATUS WE CE I O4 A14 A16 DSP_RST CCLK DSPREADY A5V A15 A13 OE I O...

Page 36: ...501 R483 R481 C1251 IC151 NJM4580M X 4 7k 47 16 47 16 22k 22k KRA104S X KRA104S X NJM4580M X NJM4580M X 4 7 25 4 7 25 4 7 25 4 7 25 4 7 25 4 7 25 100k 4 7 25 470 4 7 25 4 7 25 4 7 25 3 3k 1k 4 7 25 4 7 25 1k 4 7 25 4 7 25 4 7 25 3 3k 1k 4 7 25 1k 4 7 25 4 7 25 3 3k 1k 470p 10k KRC107S X 0 01 16 1k 470 4 7 25 4 7 25 47p 47p 47p 120k 47p 47p 120k 1k 1k 1k 1k 1k QND0079 001 0 39k 470 330p 470 39k 39k...

Page 37: ... 47K 30K NI 120P 27K 27K 0 22K 22K 0 1 16 1 MN103S26EGA 10K 9 1K 1SS355 X SGND 4 7K 2SC4617 R X 0 001 10K DGND 220P 2SC4617 R X DTA144EE X 2 2K NAX0543 001X DGND 1M 180P MN102L62GLF2 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 4 7K 4 7K 0 1 16 0 1 16 820 1 2K 22K 22K 0 1 16 1 16 1K 0 1 16 0 01 16 0 01 16 47K 47K 47K 0 001 0 1 16 0 018 16 47P 18K 0 001 0 0056 1M 0 1 16 0 001 0 001 0 001 47K 12K 47K 47K 2SC4...

Page 38: ... 4 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 47 4 47 4 NQR0007 002X NQR0007 002X 47 4 0 1 16 NI 0 1 16 10 NI 18P 0 1 16 15P 1 6K 1 6K 0 1 16 47 4 220 4 NI NI 470 470 470 470 470 0 0 470 0 0 0 0 470 0 1 16 0 470 NI NI 0 470 470 0 1 16 NQR0007 002X NQR0007 002X NQR0007 002X 0 1 16 NQR0007 002X NQR0007 002X 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1 16 0 1...

Page 39: ...R0007 002X NQR0007 002X NQR0007 002X NI NI NQR0007 002X NQR0007 002X NQR0007 002X D3 3V NI NI NI NI NI 0 0 0 NI NQR0007 002X 0 NQR0007 002X D3 3V NQR0007 002X NI MGND 0 1 16 NI NI SGND DGND 0 1 16 S3 3V D5V 10K D3 3V QGB2027L1 26X NI 2SB1424 QR X 33K 560 5 6K 1K 2SC2412K RS X 1K 3 9K 1 16 NI 0 1 16 0 1 16 0 1 16 NI EARTH EARTH NI NI NI 10K NI NQR0007 002X 0 1 16 NI 0 0 NI 0 AOUT3 S1OUT COUT MECHA_...

Page 40: ...2 12 DVD servo section 4 4 Voltage value SHEET 10 ...

Page 41: ...R2507 R2506 R3509 R3508 R3507 R3506 D402 D403 D519 QND0079 001 STK413 490 STK413 420 0 22 100 0 22 100 GBU803 GBU803 100 56K 3 3P QNB0161 002 0 1 100 10 KTC3203 OY T 1K KRA104M T 3 3 50 100K KTA1267 YG T KTC3199 GL T 1k KRC102M T 0 01 56K 0 1 100 0 1 100 0 1 100 0 01 56K 3 3P 1K 3 3P QNB0162 002 1K 100 50 100 56K 3 3P 56K 100 50 56K 3 3P 3 3P QGA7901C1 02 QGB2510K2 07 QSK0127 001 QSK0127 001 QSK01...

Page 42: ...R4701 R4702 R4703 R4704 R4705 R4706 R4707 R4708 R4751 R4752 R4753 R4754 R4755 R4756 R4757 R4758 R4760 R4761 R4762 R4771 R4772 R4773 R4801 R4802 R4811 R4774 B4019 B4020 C4011 R4831 R4832 R4833 R4834 R4835 R4841 R4842 R4861 R4862 R4863 R4864 R4865 R4866 R4867 R4868 R4871 R4872 R4873 R4874 R4881 R4882 R4883 R4884 R4885 R4891 R4892 R4921 R4922 R4931 R4932 R4951 R4952 R6101 R6102 R6103 R6104 R6105 R610...

Page 43: ...75 R2576 R2577 R2578 R2579 R2580 TP514 TP515 TP517 TP518 X401 X402 C403 C404 C408 C411 C412 C422 C427 C428 C430 C431 C432 C433 C445 C452 C454 C455 C458 C459 C462 C466 C467 C495 C1101 C1102 C1103 C1104 C1123 C1124 C1125 C1130 C1131 C1141 C1142 C1180 C1181 C1201 C1203 C1208 C1210 C1213 C1214 C1215 C1216 C1217 C1218 C1225 C1226 C1251 C1252 C496 C2503 C2504 R491 R492 C2507 C2508 C497 C2511 C2512 C2513...

Page 44: ...5 CN501 D511 DI501 IC502 Q511 Q521 X501 CN502 C514 C513 J571 S571 W571 C501 C502 C503 C504 C505 C511 C507 C508 C509 C510 C531 CN501 C512 D511 DI501 IC501 IC502 Q501 Q502 Q511 Q521 R501 R502 R503 R504 R511 R521 R531 X501 CN502 C506 C514 C513 C571 C572 C573 C574 J571 K571 K572 K573 R571 S571 W571 K574 ...

Page 45: ... C105 C106 C115 C116 C139 C201 C217 C218 C253 C255 C257 C258 C259 C260 C261 C262 C263 C264 C301 C302 C303 C304 C306 C308 C310 C311 C312 C313 C314 C315 C316 C317 C318 C319 C320 C321 C322 C323 C324 C325 C326 C327 C328 C329 C330 C331 C332 C334 C337 C338 C339 C340 C341 C342 C343 C344 C345 C346 C347 C348 C349 C350 C351 C401 C403 C404 C405 C406 C407 C450 C512 C514 C515 C516 C517 C518 C519 C520 C523 C535...

Page 46: ... Q602 R151 R152 R161 R162 R501 R502 R503 R504 R505 R506 R511 R512 R513 R514 R516 R515 R517 R518 R519 R520 R521 R522 R531 R532 R533 R534 R535 R536 R537 R538 R539 R541 D520 R543 R544 R545 R546 R547 R548 R549 R555 R556 R561 R562 R563 R564 R565 R566 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R510 HS151 D519 R614 R153 R550 R557 R156 C101 C401 C411 C412 C421 C422 C431 C432 C441 C44...

Page 47: ...311 R3501 R3502 R3503 R3504 R3505 TH351 D3503 D3504 C3507 R3313 R3213 R3113 R3112 R3511 R3510 R3212 R3312 R3506 R3507 R3508 R3509 C2101 C2102 C2103 C2104 C2105 C2106 C2107 C2108 C2201 C2202 C2203 C2204 C2205 C2206 C2207 C2208 C2301 C2302 C2303 C2304 C2305 C2306 C2307 C2308 C2501 C2502 C2503 C2504 C2505 C2506 CN251 CN252 D2101 D2201 D2301 D2501 D2502 IC201 L2101 L2201 L2301 Q2101 Q2201 Q2301 R2101 ...

Page 48: ...VICTOR COMPANY OF JAPAN LIMITED No MB108SCH Printed in Japan WPC ...

Page 49: ... parts list Subwoofer Block No M2 Speaker assembly and parts list Front speaker Center speaker Surround speaker Block No M6 DVD mechanism assembly and parts list Block No MJ DVD loading base assembly and parts list Block No MN Electrical parts list Block No 01 07 Packing materials and accessories parts list Block No M3 TH A55 3 2 3 5 3 7 3 9 3 11 3 13 3 24 Area suffix A Australia MB108 ...

Page 50: ...f general assmbly and parts list a b c a Power board FL board Switch board Head phone board Volume board 21 55 20 23 28 28 47 46 24 46 45 13 14 12 11 6 4 1 3 17 25 15 10 2 8 9 7 10 18 18 Block No M M M 1 5 16 54 27 24 53 ...

Page 51: ...3 3 e f f e 39 37 38 b c DSP board Main board Power board d 21 21 55 0 22 23 33 26 31 52 49 48 23 34 41 40 44 43 43 51 44 44 42 36 35 30 31 29 28 24 M M 32 54 27 50 24 53 ...

Page 52: ...W 3mm x 8mm 26 QYSBSG3008Z TAPPING SCREW 3mm x 8mm 27 LV30225 0K8A SPACER 28 QYSBSF3012Z TAP SCREW 3 0mm x 12mm x2 29 QYSBST3020Z TAP SCREW M3 x 20mm 30 LV34221 001A SHIELD 31 QYSBSG3006E TAPPING SCREW 3mm x 6mm x2 32 LV21489 008A REAR PANEL 33 QAU0307 002 TUNER 34 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm x2 35 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm 36 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm 37 QYSBSGY3008...

Page 53: ...r board A Mother board Amplifier board B Speaker terminal board Block No M M M 2 Subwoofer a e e 1 11 12 10 2 3 6 2 5 2 5 7 4 15 13 9 14 14 14 14 13 24 25 25 24 23 27 24 16 8 24 19 17 14 14 20 28 22 22 26 25 21 29 29 33 32 18 31 31 31 31 34 30 35 35 35 35 36 ...

Page 54: ...Z TAP SCREW 3mm x 10mm x5 14 QYSBSG3008E TAPPING SCREW 3mm x 8mm x6 15 QYSBSG3008E TAPPING SCREW 3mm x 8mm x4 16 LV21474 001A HEAT SINK 17 LV30225 078A SPACER 18 LV30225 0N4A SPACER 19 LV30225 0N5A SPACER 20 LV30225 0N6A SPACER 21 LV30225 0N7A SPACER x6 22 LV30225 0N7A SPACER x2 23 LV21475 006A REAR PANEL 24 QYSDSF3012M TAP SCREW M3 x 12mm x8 25 QYSBSGY3008E SPECIAL SCREW 3mm x 8mm x12 26 QYSBSP30...

Page 55: ...3 7 Speaker assembly and parts list Block No M M M 6 Front speaker Center speaker Surround speaker 1 2 3 4 5 5 5 7 8 7 8 7 7 8 8 6 9 10 14 11 12 13 13 13 15 17 18 18 19 18 16 ...

Page 56: ...07840801 SCREW x20 6 5300019901 BAFFLE x5 7 7007841201 SCREW x20 8 5600008011 HOLDER x20 9 9907701101 NET ASSY x5 10 5900020901 BADGE FRONT SURROUND LV43427 001A x4 11 9900031101 STAND ASSY x5 12 2810006801 SPACER x5 13 9000005351 FOOT FRONT SURROUND x16 14 7200036321 BOLT SET FRONT SURROUND x4 15 6000197701 LABEL FRONT x2 15 6000197601 LABEL SURROUND x2 16 6000197501 LABEL CENTER 17 5900020901 BA...

Page 57: ...sm assembly and parts list 12 0mm 0 2mm _ 65 2mm 0 2mm _ EXL V73 1YPC Block No M M M J Grease CFD 4007ZYZ JVG 31N PG 641 1401C 28 23 22 7 9 8 11 10 6 5 32 33 13 4 12 18 20 19 21 1 31 30 29 2 3 24 16 14 25 15 17 26 27 ...

Page 58: ...mm 13 QYSDST2605M TAP SCREW M2 6 x 5mm x2 14 LE20517 001A SHAFT HOLDER 15 LE40744 001A BAR SPRING 1 16 LV41121 002A SHAFT 17 QYSDST2605M TAP SCREW M2 6 x 5mm 18 QAL0452 001 PICK UP 19 LE20519 001A SW ACTUATOR 20 LE30886 001A LEAD SPRING 21 QYSPSFU1740Z TAP SCREW M1 7 x 4mm x2 22 LE30888 003A P U SPRING 23 QYSPSGU1430Z TAP SCREW M1 4 x 3mm 24 LV41121 002A SHAFT 25 LE40743 001A T SPRING S 26 LE40774...

Page 59: ...e assembly and parts list A B A B 6 85mm 0 1mm 1 FMU DV31 1M Block No M M M N 13 15 16 23 23 23 16 16 16 12 10 22 22 22 18 20 9 17 22 19 8 3 2 11 7 4 6 21 23 21 BACK SIDE 3 1 2 5 24 14 24 BACK SIDE JVG 31N JVS 1003 Grease ...

Page 60: ... GEAR 8 LV42085 002A MIDDLE GEAR 9 LV42086 001A IDLE GEAR 10 LV32514 002A SLIDE CAM 11 LV42348 001A P GEAR BRACKET 12 VKZ4777 003 MINI SCREW 13 LV20912 002A ELEVATOR 14 QUQ410 0610CJ FFC WIRE 15 TRAVERSE MECHANISM 16 LV43245 001A SPECIAL SCREW x4 17 LV32417 001A CLAMPER 18 LV42089 002A YOKE 19 LV42930 003A P C MAGNET 20 LV41741 001A SPECIAL SCREW 21 LV20913 002A CLAMPER BASE 22 QYSBSF2005Z SCREW 2...

Page 61: ...C CAPACITOR 3300pF 1kV K C909 QCZ0136 101Z C CAPACITOR 100pF 1kV K C910 QCBB1HK 221Y C CAPACITOR 220pF 50V K C913 QCZ0136 101Z C CAPACITOR 100pF 1kV K C914 QEZ0532 396Z E CAPACITOR 39uF 25V M C915 QCBB1HK 471Y C CAPACITOR 470pF 50V K C916 QCZ9079 222 C CAPACITOR 2200pF AC250V M C917 NCB31HK 103X C CAPACITOR 0 01uF 50V K C918 QCFB1HZ 104Y C CAPACITOR 0 1uF 50V Z C951 NCS31HJ 101X C CAPACITOR 100pF ...

Page 62: ... 680Ω 1 16W J Symbol No Part No Part Name Description Local R962 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R964 NRSA63J 105X MG RESISTOR 1MΩ 1 16W J R965 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R966 NRSA63J 221X MG RESISTOR 220Ω 1 16W J R969 NRSA63J 221X MG RESISTOR 220Ω 1 16W J R971 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R972 NRSA63J 122X MG RESISTOR 1 2kΩ 1 16W J R977 NRSA63J 102X MG RESISTOR 1kΩ 1 16W ...

Page 63: ... 06 CONNECTOR FFC FPC 1 6 CN901 QGA2001C1 12 CONNECTOR W B 1 12 CN902 QGA2501C1 10 CONNECTOR W B 1 10 CP471 ICP N5 T IC PROTECTOR 250mA CP951 ICP N10 T IC PROTECTOR 400mA CP952 ICP N5 T IC PROTECTOR 250mA EP401 QNZ0136 001Z EARTH PLATE EP901 QNZ0136 001Z EARTH PLATE EP902 QNZ0136 001Z EARTH PLATE EP951 QNZ0136 001Z EARTH PLATE FC901 QNG0003 001Z FUSE CLIP FC902 QNG0003 001Z FUSE CLIP HS491 LE40505...

Page 64: ... Z C493 NCB30JK 105X C CAPACITOR 1uF 6 3V K C494 NCB31CK 103X C CAPACITOR 0 01uF 16V K C495 NCB31CK 103X C CAPACITOR 0 01uF 16V K C1101 NCB31HK 331X C CAPACITOR 330pF 50V K C1103 NEA71EM 475X E CAPACITOR 4 7uF 25V M C1121 NCB31CK 223X C CAPACITOR 0 022uF 16V K C1122 NCB31HK 822X C CAPACITOR 8200pF 50V K C1123 NCB31HK 103X C CAPACITOR 0 01uF 50V K C1124 NCB21CK 224X C CAPACITOR 0 22uF 16V K C1125 N...

Page 65: ... R1133 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R1134 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J Symbol No Part No Part Name Description Local R1135 NRSA63J 332X MG RESISTOR 3 3kΩ 1 16W J R1136 NRSA63J 332X MG RESISTOR 3 3kΩ 1 16W J R1137 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R1138 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R1139 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R1140 NRSA63J 104X MG RESISTOR 100kΩ 1 16W...

Page 66: ...J R161 QRZ9005 100X F RES I M 10Ω R162 QRE141J 102Y C RESISTOR 1kΩ 1 4W J R491 QRL027J 470 OMF RESISTOR 47Ω 2W J R492 QRE141J 472Y C RESISTOR 4 7kΩ 1 4W J R501 QRE141J 102Y C RESISTOR 1kΩ 1 4W J R502 QRE141J 104Y C RESISTOR 100kΩ 1 4W J R503 QRE141J 104Y C RESISTOR 100kΩ 1 4W J R504 QRE141J 102Y C RESISTOR 1kΩ 1 4W J R505 QRE141J 102Y C RESISTOR 1kΩ 1 4W J R506 QRE141J 103Y C RESISTOR 10kΩ 1 4W J ...

Page 67: ...6 QCSB1HK 3R3Y C CAPACITOR 3 3pF 50V K C3307 QFVF1HJ 104Z MF CAPACITOR 0 1uF 50V J C3308 QFVF1HJ 104Z MF CAPACITOR 0 1uF 50V J C3501 QETN1HM 107Z E CAPACITOR 100uF 50V M C3502 QETN1EM 107Z E CAPACITOR 100uF 25V M C3503 QETN1HM 107Z E CAPACITOR 100uF 50V M C3504 QETN1EM 107Z E CAPACITOR 100uF 25V M C3505 QETN1HM 107Z E CAPACITOR 100uF 50V M C3506 QETN1HM 107Z E CAPACITOR 100uF 50V M C3507 QCBB1HK 1...

Page 68: ...21S 30 X SB DIODE D202 1SS355 X SI DIODE C105 NEA70JM 476X E CAPACITOR 47uF 6 3V M C106 NEA70JM 476X E CAPACITOR 47uF 6 3V M C109 NCB31CK 104X C CAPACITOR 0 1uF 16V K C110 NCS31HJ 221X C CAPACITOR 220pF 50V J C111 NCB31CK 104X C CAPACITOR 0 1uF 16V K C112 NCB31CK 104X C CAPACITOR 0 1uF 16V K C113 NEA70JM 226X E CAPACITOR 22uF 6 3V M C115 NCB31CK 104X C CAPACITOR 0 1uF 16V K C116 NCB31CK 104X C CAP...

Page 69: ... CAPACITOR 1uF 16V K C569 NCB31CK 104X C CAPACITOR 0 1uF 16V K Symbol No Part No Part Name Description Local C571 NEA70GM 476X E CAPACITOR 47uF 4V M C572 NCB31CK 104X C CAPACITOR 0 1uF 16V K C573 NEA70GM 227X E CAPACITOR 220uF 4V M C578 NCB31CK 104X C CAPACITOR 0 1uF 16V K C580 NEA70GM 476X E CAPACITOR 47uF 4V M C581 NEA70GM 227X E CAPACITOR 220uF 4V M C582 NEA70GM 476X E CAPACITOR 47uF 4V M C601 ...

Page 70: ...G RESISTOR 0Ω 1 16W J R553 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R565 NRVA63D 622X CMF RESISTOR 6 2kΩ 1 16W D R566 NRVA63D 132X CMF RESISTOR 1 3kΩ 1 16W D R570 NRSA63J 100X MG RESISTOR 10Ω 1 16W J R573 NRSA63J 162X MG RESISTOR 1 6kΩ 1 16W J R574 NRSA63J 162X MG RESISTOR 1 6kΩ 1 16W J R575 NRSA63J 471X MG RESISTOR 470Ω 1 16W J R576 NRSA63J 471X MG RESISTOR 470Ω 1 16W J R578 NRSA63J 471X MG RESISTOR 4...

Page 71: ...3 23 DVD loading switch board Block No 0 7 0 0 Symbol No Part No Part Name Description Local CN1 QGF1016F3 06 CONNECTOR FFC FPC 1 6 S1 QSW0910 002 SWITCH S2 QSW0910 002 SWITCH ...

Page 72: ...3 24 Packing materials and accessories parts list P17 P18 P9 P11 P10 P8 P19 P15 P16 A15 P14 P13 P14 A13 A16 A14 A12 A11 P5 P7 P6 A7 A1 P2 A4 A5 A6 A2 A3 P4 A8 A9 P3 Block No M M M 3 P1 A10 P12 A15 ...

Page 73: ...X SPEAKER BOX CENTER A 15 6000198701 RATING LABEL FRONT FRONT x2 A 15 6000198711 RATING LABEL SURROUND x2 A 15 6000198721 RATING LABEL CENTRE P 1 LV21537 001A ACCESSORY BOX P 2 QPA01202505 POLY BAG 12cm x 25cm P 3 QPA02503505P POLY BAG 25cm x 35cm P 4 LV34293 016A CARTON BOX P 5 LV10790 001A CUSHION L P 6 LV10791 001A CUSHION R P 7 QPC05005015P POLY BAG 50cm x 50cm P 8 8000052611 CUSHION BOTTOM P ...

Search results

Summary of Contents for TH-A55

Reviews:

Related manuals for TH-A55

Brands by name

Popular brands

JVC TH-A55, Service Manual

Search results

Summary of Contents for TH-A55

Reviews:

Related manuals for TH-A55

Brands by name

Popular brands