JVC HX-GD8 Service Manual

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Page 1: Table Of Contents
SERVICE MANUAL COMPACT COMPONENT SYSTEM MB188 2004 HX-GD8 Area suffix J ----------------------------- U.S.A. C -------------------------- Canada SP-HXGD8 CA-HXGD8 SP-HXGD8 TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
Page 2 SPECIFICATION Amplifier section CA-HXGD8 195 W per channel, min. RMS, driven into 6 Ω at 63 Hz with no more than 10 % total harmonic Output Power SUBWOOFERS distortion. 80 W per channel, min. RMS, driven into 6 Ω at 1 kHz with no more than 10 % total harmonic MAIN SPEAKERS distortion.
Page 3: Precaution
SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
Page 4 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
Page 5 Importance administering point on the safety Primary board (Forward side) F001 6.3A-125V F101 F102 F103 F104 Caution: For continued protection against risk of fire, replace only with same type 6.3 A/125 V for F001, 8 A/125 V for F101 and F102, 3.15 A/125 V for F103, 1.6 A/125 V for F104.
Page 6: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe ADJUSTMENT. 1-6 (No.MB188)
Page 7: Disassembly
SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the metal cover (See Figs.1 to 3) (1) From the back side of the main body, remove the six screws A attaching the metal cover. (See Fig.1.) Metal cover (2) From the both sides of the main body, remove the two screws B attaching the metal cover.
Page 8 3.1.2 Removing the front panel assembly (See Figs.4 to 7) • Prior to performing the following procedures, remove the metal CN205 cover. Bridge board Parallel wire (1) From the right side of the main body, disconnect the card wires from the connectors (CN43, CN44, CN802, CN803) on the main board.
Page 9 3.1.3 Removing the tuner (See Figs.8 and 9) • Prior to performing the following procedures, remove the metal CN502 CN560 cover. Card wires (1) From the right side of the main body, disconnect the card wire from the connector CN560 on the main board.
Page 10 3.1.5 Removing the rear panel (See Figs.10 to 12) • Prior to performing the following procedures, remove the metal Tie band cover. (1) From the top side of the main body, remove the tie band bundling the wires. (See Fig.10.) Bridge board Reference: After reassembling, bundle the wires with the new tie...
Page 11 3.1.7 Removing the main board (See Figs.13 and 14) • Prior to performing the following procedures, remove the metal Main board cover, tuner, video board and rear panel. (1) From the right side of the main body, disconnect the card CN803 CN110 Card wires...
Page 12 3.1.8 Removing the main amplifier board/subwoofer amplifier boards (See Figs.15 to 17) • Prior to performing the following procedures, remove the metal Wires cover, tuner, video board, rear panel and main board. (1) From the top side of the main body, disconnect the wires Bridge board from the connector (CN206, CN208) on the bridge board.
Page 13 3.1.9 Removing the connection board (See Fig.18.) • Prior to performing the following procedure, remove the metal Connection board cover, tuner, video board, rear panel, main board and main amplifier/subwoofer amplifier boards. (1) From the top side of the main body, remove the two screws R attaching the connection board on the chassis base.
Page 14 3.1.11 Removing the 5DVD changer mechanism assembly (See Figs.21 to 23) • Prior to performing the following procedures, remove the metal Front panel assembly cover, tuner, video board, rear panel, main board and bridge board. 5DVD changer mechanism assembly (1) From the both sides of the main body, remove the two screws T attaching the 5DVD changer mechanism assem- bly to the front panel assembly.
Page 15 3.1.12 Removing the primary board (See Figs.19, 21, 22, 24 and 25) • Prior to performing the following procedures, remove the metal Primary board cover, tuner, video board, rear panel and main board. (1) From the top side of the main body, release the wire holder bundling the wire.
Page 16 3.1.14 Removing the switch board (See Fig.27) • Prior to performing the following procedures, remove the metal Front panel assembly cover and front panel assembly. (1) From the inside of the front panel assembly, remove the three screws Z attaching the switch board. (2) Take out the switch board and remove the soldered section w on the switch board to remove the parallel wire.
Page 17 3.1.16 Removing the encoder board (See Figs.26 to 29) • Prior to performing the following procedures, remove the metal Volume knob cover and front panel assembly. Sound mode knob (1) From the outside of the front panel assembly, pull out the knobs toward this side.
Page 18 3.1.17 Removing the microphone board (See Fig.30) • Prior to performing the following procedure, remove the metal Microphone board cover and front panel assembly. From the inside of the front panel assembly, remove the seven screws AC and screw AC' attaching the microphone board. Reference: •...
Page 19: See Figs.1 To
DVD changer mechanism assembly section 3.2.1 Removing the tray assemblies (See Figs.1 to 5) (1) From the top side of the main body, remove the two screws A from the top cover and release the two joints a on the Open det.
Page 20: No.mb188)1
3.2.2 Removing the DVD servo board (See Figs.6 to 8) Caution: Short land sections d Solder the short land sections d on the DVD pickup before dis- connecting the card wire extending from the DVD pickup. If you do not follow this instruction, the DVD pickup may be dam- DVD pickup aged.
Page 21 3.2.4 Removing the motor board (See Figs.9 and 10) (1) From the top side of the DVD changer mechanism assem- bly, remove the two belts from the motor pulleys. (See Fig.9.) Note: Take care not to attach grease on the belt. Belt Belt (2) Remove the four screws F attaching the motors to the load-...
Page 22 3.2.6 Removing the DVD traverse mechanism assembly (See Fig.11) • Prior to performing the following procedures, remove the tray DVD changer mechanism assembly assemblies and DVD servo board. (1) From the bottom side of the DVD changer mechanism as- sembly, remove the three screws H attaching the DVD traverse mechanism assembly.
Page 23 3.2.7 Removing the DVD pickup (See Figs.12 to 14) • Prior to performing the following procedures, remove the tray DVD traverse mechanism assembly assemblies, DVD servo board and DVD traverse mechanism Screw shaft gear assembly. Connector Card wire (1) From top side of the DVD traverse mechanism assembly, release the lock of the connector on the DVD pickup and disconnect the card wire in the direction of the arrow.
Page 24 3.2.9 Removing the spindle motor board (See Figs.15 and 16) • Prior to performing the following procedures, remove the tray Card wire assemblies and DVD traverse mechanism assembly. (1) From the top side of the DVD traverse mechanism assem- SF motor base bly, remove the four screws M attaching the DVD traverse Spindle motor board mechanism assembly to the DVD traverse mechanism...
Page 25 3.2.10 Removing the motor (See Figs.17 and 18) • Prior to performing the following procedures, remove the tray SF motor base Motor assemblies, DVD traverse mechanism assembly, DVD pickup and spindle motor board. • Remove the wires of the motor as required. (1) Remove the middle gear in the direction of the arrow.
Page 26 3.2.11 Removing the side (L) assembly and tray switch board (See Figs.19 to 21) • Prior to performing the following procedures, remove the tray SIde(L) assemblies. (1) From the topside of the DVD changer mechanism assem- bly, remove the two screws T attaching the side (L). (See Fig.19.) (2) From the left side of the DVD changer mechanism assem- bly, remove the spacer fixing the tray switch board and mo-...
Page 27 3.2.12 Removing the side (R) assembly (See Fig.22 to 26) • Prior to performing the following procedures, remove the tray Elevator spring assemblies and DVD servo board. (1) From the inside of the side (R) assembly, release the two tabs u of the gear cover and remove the gear cover out- Elevator cam ward.
Page 28 3.2.13 Removing the lifter assembly (See Figs.27 to 31) • Prior to performing the following procedures, remove the tray Hook assemblies, DVD servo board, side (L) and side (R) assembly. (1) From the top side of the DVD changer mechanism assem- bly, turn the gear 1 clockwise to move the lifter assembly upward.
Page 29 3.2.14 Removing the rack holder and sensor assembly (See Figs.32 to 38) • Prior to performing the following procedures, remove the tray Slide gear assemblies, side (L), side (R) assembly and lifter assembly. Reference: If the slide gear of the DVD changer mechanism assembly Rack holder places at joint ad of the rack holder, turn the gear 1 counter- clockwise to move the slide gear in the direction of the arrow.
Page 30 Slider Sensor spring Fig.36 Sensor board SV. resister Sensor bracket Slider Fig.37 Sensor assembly Sensor gear Slide lever Sensor spring Fig.38 1-30 (No.MB188)
Page 31 3.2.15 Taking out the disc in the play mode (See Fig.39 to 42) Reference: Disc Refer to "Removing the tray assemblies". Tray assembly (1) From the top side of the DVD changer mechanism assem- bly, remove the top cover. (2) Unlock the tray assemblies and draw out the tray assem- blies toward the front.
Page 32 Cassette mechanism assembly 3.3.1 Removing the Play/Record & Clear head Cassette mechanism assembly Fly wheelR (See Fig.1~3) (1) While moving the trigger arm on the right side of the head mount in the direction of the arrow, turn the flywheel R counterclockwise until the head mount comes ahead and clicks.
Page 33 3.3.2 Removing the head amplifier & mechanism control board (See Fig.4) (1) Turn over the cassette mechanism assembly and remove Main motor assembly the three screws A attaching the head amplifier & mecha- nism control board. Capstan belt (2) Disconnect the flexible wire from connector CN31 on the head amplifier &...
Page 34 3.3.4 Removing the flywheel (See Fig.8, 9) • Prior to performing the following procedure, remove the head amplifier & mechanism control board and the main motor as- sembly. (1) From the front side of the cassette mechanism, remove the slit washers attaching the capstan shaft L and R. Pull out the flywheels backward.
Page 35 3.3.6 Reattaching the Play/ Record & Clear head (See Fig.11~13) (1) Reattaching the head mount assembly. a) Change front of the direction cover of the head mount assembly to the left (Turn the head forward). b) Fit the bosses O', P', Q', U' and V' on the head mount assembly to the holes P and V, the slots O, U and Q of the mechanism sub assembly (See Fig.11 to 13).
Page 36 Speaker section 3.4.1 Removing the side panel assembly (See Fig.1) (1) From the side of the speaker main body, remove the four screws A and two screws B attaching the side panel as- sembly. Side panel assembly Fig.1 3.4.2 Removing the subwoofer (See Fig.2) •...
Page 37 3.4.3 Removing the front panel assembly (See Figs.3 and 4) Reference: Front panel assembly Remove the side panel assembly as required. (1) Remove the four screws D attaching the front panel as- sembly. (See Fig.3.) (2) Release the two joints a. (See Fig.3.) Caution: When removing the front panel assembly from the speaker main body, do not break or damage them that...
Page 38 3.4.5 Removing the top woofer (See Fig.5) • Prior to performing the following procedures, remove the front Top woofer panel assembly. (1) Remove the four screws F attaching the top woofer. (2) From the back side of the top woofer, disconnect the red and black wires from the terminal.
Page 39: Adjustment
SECTION 4 ADJUSTMENT Measurement Instruments Required for Adjustment (1) Low frequency oscillator 4.2.2 Tuner section This oscillator should have a capacity to output 0dBs to FM Band cover 87.5~108.0MHz 600Ω at an oscillation frequency of 50Hz-20kHz. AM Band cover 530~1,710kHz (2) Attenuator impedance : 600Ω...
Page 40 Cassette mechanism adjustment Head azimuth Head azimuth adjustment screw adjustment screw (Forward side) (Reverse side) CN31 Head azimuth Head azimuth R/P head, Erase head adjustment screw adjustment screw (Forward side) (Reverse side) Mecha control board Motor speed VR37 VR37 R371 FW100 CN33 C374...
Page 41 4.3.1 Mechanism section Item Condition Measurement method Ref. value Adjust- ment posi- tion Head azimuth Test tape (1) Playback the test tape VT703L (8kHz). Maximum output Only adjust :VT703L (8kHz) (2) Adjust to maximum output level by azi- at changed Output terminal muth adjustment screw for forward side head...
Page 42 4.3.2 Electrical adjustment Item Condition Measurement method Ref. value Adjust- ment posi- tion Recording BIAS • Forward or Reverse (1) Set the test tape(AC-514 TYPE ll and AC-225 VR31 adjustment • Test tape AC-225 TYPE l), then make REC/ : 4.20µA : AC-514 TYPE ll PAUSE condition.
Page 43 Service mode 4.4.1 Confirming contents (1) System micon reset (2) System micon cold start (3) FL display check (4) Micon version check (5) DVD region check (6) DVD test mode 4.4.2 Confirming methods 1. System micon reset When CD mechanism stuck, this may solve the problem without removing/inserting power cord. Press the STANDBY/ON, CANCEL and PAUSE buttons on the main unit simultaneously.
Page 44 You can confirm DVD region number. Press the POWER and DVD LEVEL buttons on the main unit at standby. DVD region number is indicated on the on screen display. FL indication (Example) "JC ver.0334 HX-GD8 / FMU-SD7-11" REGION DVD unit number Firmware model Firmware version DVD destination 1-44 (No.MB188)
Page 45 6. DVD test mode Insert the power cord in an outlet while pressing the SET and buttons on the main unit. Status: You can check DVD unit condition (Example) "TEST JC 13" DVD unit condition is indicated on the FL Disc reading preset condition display.
Page 46 Device key: Program DEVICE KEY code STANDBY/ON LED blink. Press the button on the main unit. PC application run. Automatically power off Wait until PC application complete Reference: FL indication Device key check: Check device key checksum If never programmed, "FFFF" (Example) "...
Page 47 DVD jitter: DVD single-layer jitter display FL indication Press the "6" button on the remote controller. " " FL indication EEPROM (B): EEPROM data display (Backward) Press the "7" button on the remote controller. " " EEPROM (F): EEPROM data display (Forward) FL indication Press the "8"...
Page 48 4.4.3 Indicating check for FL display Function FL display Note SOURCE DVD-VIDEO DVD-AUDIO If MP3 time is over 100 minutes, show "--:--". If WMA time is over 100 minutes, show "--:--". without PBC with PBC SVCD without PBC with PBC DVD (JPEG) TAPE : PRESET NUMBER...
Page 49 Function FL display Note 3D PHONIC 3D ACTION 3D DRAMA 3D THEATER 3D PHONIC OFF Note: DVD-A cannot be activated 3D-Phonic. Also at Karaoke condition, 3D-PHONIC is TONE SETTING TONE MEMORY RANGE: -3 TONE MEMORY RANGE: -3 TONE MEMORY NUMBER BLINKING TONE MEMORY TONE MEMORY DVD LEVEL...
Page 50 Function FL display Note REC TIMER SELECT HOUR BLINKING MINUTE BLINKING HOUR BLINKING MINUTE BLINKING BLINKING BLINKING BLINKING TEST (ROM) by Remocon "B332" ROM correction +3 CHARACTORS 4 CHARACTORS (including ROM CORR) BACKEND VERSION 4 CHARACTORS J / E / A / US / UW / UX TEST (REGION) 0/1/2/3/4/5/6 DVD STATUS...
Page 51 Function FL display Note DVD AUDIO STOP After TOC READING +10KEY INPUT PLAY PLAY (MENU) PAUSE TIME BLINKING SEARCH RESUME STOP RESUME RESUME PLAY RESUME OFF BEFORE PLAY DOWNMIX PROHIBITED WATERMARK STOP (without PBC) DISPLAY TOTAL TIME STOP (with PBC) PLAY (PBC OFF) PLAY (PBC ON) PAUSE (PBC OFF)
Page 52 Function FL display Note PROGRAM PROGRAM MODE DISC INPUT (10key) Group # Blink, 10-key and ENTER key input GROUP INPUT Track # Blink, 10-key and ENTER key input TRACK INPUT STOP PLAY DEPEND ON DISC TYPE FULL MEMORY RANDOM RANDOM MODE R A N SEARCH D O M...
Page 53 Function FL display Note DEMO OFF BEEP BEEP ON BEEP OFF TRAY LOCK LOCK UNLOCK (No.MB188)1-53...
Page 54 Function FL display Note DVD TEST MODE TEST START By AC cord on with holding SET and (Version info) : VERSION @: FE learning condition #: REGION A. EEPROM INITIALIZE By pressing PAUSE (Front) (NORMAL) B. EEPROM INITIALIZE By pressing and holding (Front) for 2-sec (FULL) DEVICE KEY DISPLAY...
Page 55: Troubleshooting
SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB188)1-55...
Page 56 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB188) Printed in Japan...
Page 57 SCHEMATIC DIAGRAMS COMPACT COMPONENT SYSTEM HX-GD8 CD-ROM No.SML200404 Area suffix J ----------------------------- U.S.A. C -------------------------- Canada SP-HXGD8 CA-HXGD8 SP-HXGD8 Contents Block diagram Standard schematic diagrams 2-19 to 27 Printed circuit boards No.MB188SCH COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD. 2004/4...
Page 58 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.
Page 59 < M E M O >...
Page 60: Block Diagram
Block diagram DVD servo / DVD system control section EXDAT0 to 15 TUNER EXADT0 to 15 A,B,C,D,E,F,RF+,LPC1,LPC2 EXADR16 to 20 NEXCE,NEXOE LPCO1 IC509 NEXWE LPCO2 Q101 FLASH ROM LD(CD) CDLDCUR LD(DVD) Q102 DVDLDCUR CN560 CPURST CPURST Q103 TDATA Q104 SDATA IC453 MECHA SPDIF...
Page 61 Video output S-VIDEO OUT section & COMPOSITE YO,CO OPTICAL COMPU IC100 CB,CR VIDEO OUT AV LINK VIDEO VIDEO-RGB DRV. J108 J123 CN502 Y,Cb,Cr COMPONENT VIDEO-LPF Y/C-MIX External input Yout VIDEO OUT MUTE1,MUTE2 Cout Source select CrOUT SPDIF switch section CbOUT COMPOUT 9V,M9V S5V,5.6V...
Page 62 Standard schematic diagrams Primary with main transformer section FW204 QJK015-082614 T001 QQT0425-001 F101 8A-125V F102 8A-125V F103 S4CT 3.15A-125V F104 1.6A-125V FW202 QUM154-21DGZ4 R275 SGND R277 S3CT Parts ar When re sure to...
Page 63 F001 6.3A-125V R200 3.3M Parts are safety assurance parts. When replacing those parts make sure to use the specified one. SHEET 1...
Page 64 DC regulators / Audio output section J200 QNB0193-002 (SHEET 4) (SHEET 3) CN201 IC600 C268 QGD2504C1-04Z STK432-070 1000P C269 Q234 KRA111M-T 1000P R250 C600 Q230 R600 2SC3576-JVC-T C270 4.7K 1000P 10/35 R251 Q231 C271 2SC3576-JVC-T 1000P 4.7K C267 R268 C266 R269 0.1uF 0.1uF C264 C265...
Page 65 IC600 TK432-070 C600 C609 10/35 C601 220P 220P D600 MTZJ9.1B-T2 Q601 MAINL MAINL KTA1267/YG/-T AGND AGND R613 MAINR MAINR R609 DVDPON DVDPON C604 5.6V 5.6V POUT POUT 10/35 DVD.GND DGND S5V/B5V S5V/B5V C614 C616 C619 0.022 0.022 R626 Q602 Q603 R628 R619 3.9K...
Page 66 External input / Source selector switch section (SHEET 4) (SHEET 4) CN803 QGF1205F1-15 QGF12 CN110 QGF1036F1-26 Yout Cout CrOUT CbOUT C1999 IC580 COMP_OUT PQ033EF02SZ C580 470/10 C581 IC581 470/6.3 D582 BA33BC0T D580 MTZJ3.9B-T2 MTZJ3.9B-T2 C593 2200/10 D581 L580 R1164 QQL231K-221Y 1N4003S-T5 SPDIF R580...
Page 67 To TUNER (SHEET 2) CN715 CN802 CN560 QGF1205F1-23 CN801 QGD2504C1-03Z S1100 QGF1205F1-11 QGF1210G1-07 QSW0454-001 CN502 NTSC/PAL QGF1205F1-21 Yout Cout CrOUT CbOUT COMPOUT VMUTE2 YCMIX D595 INT/PRG VRGB R103 VMUTE2 R102 2.2M C104 C597 C103 0.0018 BCTRL Q100 R599 Q594 2SD601A/RS/-X 2.2M 2SD601A/RS/-X J123...
Page 68 FL display / System control / User control keys section C915 R911 4.7K 0.22/50 C914 4.7/50 C917 R914 R912 C918 R915 R913 1.5K C916 330P R907 R997 2.2/50 Q909 2SD1328/ST/-X R916 4.7K R944 S900 S904 R927 S901 S905 R923 C906 0.01 0.01 C908...
Page 69 IC953 HA17558AF-X L1002 47uH C917 1SS119-041-T2 GND1 J1001 D916 QUB220-21DMHP R912 QNSO204-001 R920 L1003 C918 C1003 150P R913 330P R921 2.2uH 2200P D915 Q909 328/ST/-X GND2 D1003 D918 QUB220-21DMHP MTZJ2.4B-T2 FW711 J900 QUM154-33DGZ4 R938 4.7K (SHEET 2) C924 VR900 1000P QVQ0299-B54 QNS236-001 QNS236-001...
Page 70 Video output circuit section C1100 0.01/16 B3006 MUTE1 C1131 1/50 Y/C-MIX C1101 R1100 1/50 R1101 C1103 R1102 22/16 R1103 C1104 R1105 1/50 R1106 VIDEO-RGB C1105 R1107 1/50 R1108 IC101 MUTE2 MM1111XS C1102 1/50 C1106 1/6.3 CN512 QGF1205C1-21 VIDEO-SW BCTL VIDEO-SW MUTE2 VIDEO-RGB VIDEO-LPF...
Page 71 J1102 QNN0579-001 R1123 IC100 MM1623XF-X R1124 R1125 J1101 QNN0434-001 C1118 R1120 470/6.3 C1124 C1119 R1121 470/6.3 1/50 C1126 470/6.3 C1128 470/6.3 C1122 R1122 470/6.3 J1100 QNZ0528-002 R1126 R1128 C1110 C1111 470/6.3 R1116 R1109 C1113 C1112 470/6.3 Q1103 KRC102M-T R1117 KRC102M-T C1115 C1114 Q1102...
Page 72 DVD servo / DVD system control section MDQ9 MDQ5 C101 VREFH MDQ10 K101 NRSA02J-0R0X C102 MDQ4 MDQ11 MDQ3 MDQ12 R112 MDQ2 R104 MDQ13 R115 R122 R107 MDQ1 MDQ14 Q103 Q101 R101 Q104 C107 NRSA02J-0R0X Q102 MDQ0 2SC4617/R/-X 2SC4617/R/-X K102 MDQ15 C103 C111 R102...
Page 73 D3.3V IC302 P3.3V D1.2V LM1117MP-ADJ-X R310 0.47 R311 DGND TP325 TP324 TP323 TP322 TP321 TP320 R307 TP319 R306 TP317 C315 CPURST R362 R361 AOUT0 R360 AOUT1 R359 AOUT2 C311 R358 R357 LRCLK C361 R351 C325 NAX0550-001X C326 IC301 R345 PCMCLK MN2DS0003AA-H C313 R315...
Page 74 DVD changer mechanism control section IC505 IC509 AT49LV1614T90TC K4S641632F-TC75 C551 EXADT15 EXADR16 EXADT14 MDQ0 MDQ15 R531 EXADT13 C554 EXADT12 EXDAT15 MDQ1 MDQ14 EXADT11 EXDAT7 MDQ2 MDQ13 EXADT10 EXDAT14 C556 EXADT9 EXDAT6 MDQ3 MDQ12 EXADT8 EXDAT13 MDQ4 MDQ11 EXADR19 EXDAT5 R532 EXADR20 EXDAT12 MDQ5...
Page 75 IC701 AK4384VT-X AOUT0 R713 LRCLK R712 C701 DACPDN R501 DAC0CS DCLK R502 DDATA TP506 (SHEET 3) LRMUTE 10/16 SWMUTE C706 R718 IC702 220/6.3 C704 R507 AOUT1 R701 C702 DAC1CS R503 TP521 R504 TP523 IC703 R741 AOUT2 C703 R742 R505 DAC2CS R743 R506 R744...
Page 76 Tape circuit such as pre-amp. and bias / Tape deck mechanism control section R106 R302 2.2K Q342 C104 KRA111M-T C102 0.01 220p Q343 R306 2SC3576-JVC-T 4.7K R336 Q344 R344 C340 2SC3576-JVC-T 47/50V 4.7K R339 C341 Q345 R345 100K C304 1/50V...
Page 77 VKZ3174-00B SG-105F3 FW100 MSI-5U2LWA R371 R108 RECL R110 CN42 QGF1205F1-09 VR37 QVP0077-103Z CN32 QGF1205F1-09 R304 R305 C307 0.001 R208 RECR R340 C207 C374 Q375 2SB562/C/ Q371 KTA1271/OY/-T 270P 100/10 D375 MTZJ5.1B-T R338 Q376 KTC3199/GL/-T 3.3K R337 Q372 KRC107M-T 3.3K IC33 CD4094BC R347 Q347...
Page 78 Printed circuit boards Power board Q220 R240 C240 CN207 C236 C235 D235 Q215 C234 D234 D200 C202 R202 D202 C203 C204 Q201 R203 EP201 PP201 Q211 FT220 FT221 R226 C232 C238 Q212 R275 R228 R227 FT241 FT240 D237 R277 FT230 FT231 IC201 Q210...
Page 79 J200 C271 C260 C270 C265 R269 R266 C264 CN208 C261 CN206 R229 R268 D227 R267 C266 R237 D228 R230 R236 R238 R239 D230 R232 CN202 Q216 R234 D207 D205 EP200 C221 D204 C220 Q234 Q234 R206 D210 C217 R254 D206 R255 R251 R253...
Page 80 Input board (Main board) EP402 B5123 R124 B5144 C486 R486 C124 S1100 J576 C489 C123 D576 L124 J108 IC485 L123 J123 R123 C498 R490 D577 C108 B5130 C578 C577 R578 R579 D108 B5189 B5125 R860 B5108 R847 R890 R859 IC802 R498 Q801 D804...
Page 81 Q535 EP401 R542 IC534 R534 D515 D516 R515 R517 Q515 Q516 B5148 C489 R520 B5150 Q540 R501 Q517 C469 Q534 R541 B5149 C497 C498 R490 C475 R521 R481 R467 C532 B5151 R477 R526 B5189 C468 C470 R472 B5154 C472 B5100 R474 C476 C466...
Page 82 Front board (Video board) C1100 C1109 C1101 R1104 C1103 IC101 C1102 C1104 CN512 R1109 R1111 L1100 C1107 Q1103 C1105 C1106 IC100 C1108 R1123 C1125 C1119 R1124 C1127 Q1102 C1120 R1125 R1121 J1102 J1100 J1101 FW216 R701 R700 D700 FW218 C936 R633 (Standby JS958...
Page 83 (Subwoofer amplifier board) R734 R733 R716 D704 C704 R718 C703 C702 Q702 Q703 R709 R708 C701 C700 C714 R719 C750 R703 R701 R717 R700 C751 C760 D700 C761 D703 D760 D750 IC750 IC760 R702 D701 D702 (Switch board) CN710 CN610 FW902 CN511 S928...
Page 84 Loading board (Motor board) (Switch board) (Sensor board) (Tray switch board) 2-25...
Page 85 DVD servo board Forward side C722 R721 R724 C105 C108 C106 R725 R727 C901 C902 R741 C903 R742 R105 R257 R252 R114 R111 L501 R260 R259 R256 R204 C704 C721 Q104 C502 R219 R117 C208 Q103 R206 C109 C329 K551 R124 C212 R701...
Page 86 Cassette switch board VR37 R371 FW100 Head amplifier board CN33 C374 PP300 R310 CN34 R105 R313 CN32 R342 C105 C107 C205 Q302 Q375 R372 C310 Q376 Q372 R205 R338 C314 C371 C313 R376 R375 R337 R335 L301 R305 C331 R353 C300 C304 R327...
Page 87 < M E M O >...
Page 88 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB188SCH)
Page 89: Parts List
PARTS LIST [ HX-GD8 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J ----------------------------- U.S.A. C -------------------------- Canada - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 Speaker assembly and parts list (Block No.M2)
Page 90 Exploded view of general assembly and parts list Block No. Bridge board Standby LED board FL board FL900 Switch board Microphone board Headphone board...
Page 91 Video board Subwoofer amplifier board Primary board Main amplifier board Main board Encoder board Connection board 115 116...
Page 92 General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local QYSBSGY3008E SPECIAL SCREW 3mm x 8mm(x2) QYSBSGY3008E SPECIAL SCREW 3mm x 8mm GV10177-005A FRONT PANEL QYSBSF3012E SPECIAL SCREW 3mm x 12mm GV40313-001A FELT SPACER...
Page 93 Speaker assembly and parts list Block No. Speaker Block No. [M][2][M][M]  Symbol No. Part No. Part Name Description Local 829929752019 F.PANEL ASSY L. 829929752020 F.PANEL ASSY R. 439929418530 SIDE PANEL LEFT 439929418526 SIDE PANEL RIGH 249929786106 "8SUBWOOFER"" (x2) 249929723606 5CM TWEETER (x2) 249929757002...
Page 94 DVD mechanism assembly and parts list Block No. FXL-D52-1M Grease =JVG-31N =JVS-1003...
Page 95 DVD mechanism Block No. [M][J][M][M]  Symbol No. Part No. Part Name Description Local LV10751-001A TM CHASSIS LV10752-003A SF MOTOR BASE QAR0308-001 SPINDLE MOTOR LV43461-001A SPECIAL SCREW (x3) QAR0144-003 MOTOR VKS5557-001 F.M. GEAR QYSPSPT2030M SCREW M2 x 3mm LV33985-001A MIDDLE GEAR QYSDST2008Z TAP SCREW M2 x 8mm(x2)
Page 96 DVD changer mechanism assembly and parts list Block No. FMU-SD7-15M Grease =JVG-31N =JVS-1003 CH5-BASE-1M...
Page 97 DVD changer mechanism Block No. [M][K][M][M]  Symbol No. Part No. Part Name Description Local LV10743-004A CHASSIS ASSY LV10913-001A LOADER ASSY QVY0027-B14 S V RESISTOR QYSDST2004Z SCREW 2mm x 4mm QAR0164-001 MOTOR (x2) LV42340-001A MOTOR PULLEY (x2) LV41431-002A BELT (x2) QYSPSPU1725N SCREW 1.7mm x 2.5mm(x2)
Page 98 Cassette mechanism assembly and parts list Block No. SLC-S302M Grease = EM-30L =UD-24 =LEN-320M =MOBIL-1 The lower side Switch board Head amplifier board 3-10...
Page 99 Cassette mechanism Block No. [M][P][M][M]  Symbol No. Part No. Part Name Description Local VKS1165-00N CHASSIS B. ASSY VKS2274-002 REEL GEAR (x2) VKW5286-002 B.T. SPRING (x2) VKS5559-001 PLAY IDLE GEAR VKS5595-002 BLIND VKS5560-003 FR IDLE GEAR LV42013-001A EARTH SPRING SLC-RP4SVM HEAD MOUNT ASSY VKY3149-002 CASSETTE SP.
Page 100 KTC3199/GL/-T TRANSISTOR R223 QRE141J-332Y C RESISTOR 3.3kΩ 1/4W J Q222 KTA1267/YG/-T TRANSISTOR R224 QRE141J-242Y C RESISTOR 2.4kΩ 1/4W J Q230 2SC3576-JVC-T TRANSISTOR  R225 QRZ9006-5R6X FUSI RESISTOR 5.6Ω Q231 2SC3576-JVC-T TRANSISTOR R226 QRE141J-102Y C RESISTOR 1kΩ 1/4W J Q232 2SC3576-JVC-T...
Page 101 Input board  Symbol No. Part No. Part Name Description Local Block No. [0][2][0][0] D807 1SS133-T2 DIODE  Symbol No. Part No. Part Name Description Local D808 1SS133-T2 DIODE D809 MTZJ4.3B-T2 Z DIODE D811 1SS133-T2 DIODE IC401 LC75342M-X D813 1SS133-T2 DIODE IC442 JCV8011-X...
Page 102  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C475 NCB31HK-222X C CAPACITOR 2200pF 50V K C1003 QDXB1CM-222Y C CAPACITOR 2200pF 16V M C476 NCB31CK-153X C CAPACITOR 0.015uF 16V K C1004 QDGB1HK-102Y C CAPACITOR 1000pF 50V K...
Page 103  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R503 QRE141J-562Y C RESISTOR 5.6kΩ 1/4W J R818 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R504 QRE141J-103Y C RESISTOR 10kΩ 1/4W J R819 NRSA63J-102X MG RESISTOR 1kΩ...
Page 104  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R900 NRSA02J-221X MG RESISTOR 220Ω 1/10W J S907 QSW0825-001Z TACT SW R901 NRSA02J-221X MG RESISTOR 220Ω 1/10W J SP03 LV30225-011A SPACER R902 NRSA02J-221X MG RESISTOR 220Ω...
Page 105  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C602 QCBB1HK-221Y C CAPACITOR 220pF 50V K C1128 QETN1AM-477Z E CAPACITOR 470uF 10V M C603 QCBB1HK-221Y C CAPACITOR 220pF 50V K C1129 QCBB1HK-181Y C CAPACITOR 180pF 50V K...
Page 106  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R737 QRE141J-104Y C RESISTOR 100kΩ 1/4W J CN912 QGF1205F1-18 CONNECTOR FFC/FPC (1-18) R738 QRE141J-104Y C RESISTOR 100kΩ 1/4W J FL900 QLF0133-001 FL TUBE ...
Page 107 DVD servo board  Symbol No. Part No. Part Name Description Local Block No. [0][5][0][0] C334 NCB31CK-104X C CAPACITOR 0.1uF 16V K  Symbol No. Part No. Part Name Description Local C335 NCB31CK-104X C CAPACITOR 0.1uF 16V K C337 NCB31CK-183X C CAPACITOR 0.018uF 16V K C338...
Page 108 TRANSISTOR R710 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J Q342 KRA111M-T DIGI TRANSISTOR R711 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J Q343 2SC3576-JVC-T TRANSISTOR R712 NRSA63J-221X MG RESISTOR 220Ω 1/16W J Q344 2SC3576-JVC-T TRANSISTOR R713 NRSA63J-221X MG RESISTOR 220Ω 1/16W J Q345...
Page 109  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C104 QCBB1HK-221Y C CAPACITOR 220pF 50V K R342 QRE141J-243Y C RESISTOR 24kΩ 1/4W J C105 QCBB1HK-391Y C CAPACITOR 390pF 50V K R343 QRE141J-183Y C RESISTOR 18kΩ...
Page 110 Packing materials and accessories parts list Block No. A2, A4, A5, A6, A7, A8, A9, A10, 3-22...
Page 111 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local GVT0125-002A INST BOOK ENG,FRE GD8C GVT0125-001A INST BOOK GD8J GV40511-001A NOTICE SHEET GV40510-001B CAUTION SHEET BT-51028-2 REGISTER CARD GD8J YU20333 SAFETY INST. QAM0216-001 SIGNAL CORD QAL0014-001 AM LOOP ANT QAL0457-001...

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