JVC HX-D77UJ Service Manual
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JVC HX-D77UJ Service Manual

JVC HX-D77UJ Service Manual

Compact component system
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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
8
2006
MB556
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
HX-D77UJ
SP-HXD77
CA-HXD77

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
SP-HXD77
No.MB556
2006/8

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  • Page 1: Table Of Contents

    SERVICE MANUAL COMPACT COMPONENT SYSTEM MB556 2006 HX-D77UJ SP-HXD77 CA-HXD77 SP-HXD77 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 125 W per channel, min. RMS, driven into 3 Ω at 100 Hz with no more Amplifier section Output Power SUBWOOFERS (CA-HXD77) than 10% total harmonic distortion. (IEC 268-3) (at 230 V , 50 Hz) 90 W per channel, min. RMS, driven into 6 Ω at 1 kHz with no more MAIN SPEAKERS than 10% total harmonic 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 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.

  • Page 5: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB556)1-5...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the top cabinet (See Fig.1, 2) (1) From the back side of the main body, remove the five screws A attaching the top cabinet. (See Fig.1) Top cabinet (2) From the both side of the main body, remove the four screws B attaching the top cabinet.
  • Page 7 3.1.3 Removing the AMP board (See Fig.3 to 5) • Remove the top cabinet. (1) Disconnect the connector wire from the connector CN102 Rear cabinet of the AMP board. (See Fig.3) (2) Disconnect the card wires from the connectors CN101, CN103, CN104 of the AMP board.
  • Page 8 3.1.4 Removing the SMPS board (See Fig.4, 6, 7) • Remove the top cabinet and the AMP board. (1) From the back side of the main body, remove the two SMPS board screws F attaching the rear cabinet. (See Fig.4) (2) From the top side of the main body, remove the one screw G attaching the earth wire on the bottom cabinet.
  • Page 9 3.1.5 Removing the 5DVD mechanism assembly (See Fig.8 to 11) • Remove the top cabinet, the rear cabinet and the AMP board. (1) From the top side of the main body, release the two claws c and remove the PCB holder from the 5DVD mechanism assembly.
  • Page 10 3.1.6 Removing the front cabinet assembly (See Figs.12 to 14) • Remove the top cabinet, the rear cabinet, the AMP board and 5DVD mechanism assembly. Front cabinet assembly (1) From the top side of the main body, remove the one screw Bottom cabinet M attaching the earth wires on the bottom cabinet.
  • Page 11 3.1.7 Removing the front VFD board (See Fig.15) • Remove the top cabinet, the rear cabinet, the AMP board, 5DVD mechanism assembly and the front cabinet assembly. Front VFD board (1) From the inside of the front cabinet assembly, remove the four screws P attaching the front VFD board.
  • Page 12 3.1.8 Removing the front key board (See Fig.16, 17) • Remove the top cabinet, the rear cabinet, the AMP board, 5DVD mechanism assembly, the front cabinet assembly and Front key board the front VFD board. (1) From the inside of the front cabinet assembly, remove the seven screws Q attaching the front key board.
  • Page 13 3.1.10 Removing the jog LED board, volume LED board and USB LED board (See Fig.18) • Remove the top cabinet, the rear cabinet, the AMP board, the 5DVD mechanism assembly, the front cabinet assembly, the Front key board front VFD board and the front key board. (1) From the front side of the front key board, release the ten claws j and remove the jog LED board, the volume LED board and the USB LED board from the front key board.

  • Page 14: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. 1-14 (No.MB556)

  • Page 15: Troubleshooting

    SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MB556)1-15...
  • Page 16 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB556) Printed in Japan...
  • Page 17 SCHEMATIC DIAGRAMS COMPACT COMPONENT SYSTEM HX-D77UJ CD-ROM No.SML200608 SP-HXD77 CA-HXD77 SP-HXD77 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagrams Standard schematic diagrams Printed circuit boards 2-9 to 15 No.MB556SCH COPYRIGHT 2006 Victor Company of Japan, Limited.
  • Page 18 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 19: Block Diagram

    Block diagram FM / AM POWER STAGE MAIN F U N C T I O N CD / DVD I N P U T 1 FRONT PWM AUDIO M U LT I - AUX / GAME I N P U T 2 A / D R-CH[RED] PROCESSOR...
  • Page 20 Standard schematic diagrams Main amplifier section CN101 TR02L TR01L 32P, ST ER02R +12V L_OUT AQ102 GND_1 EE011 TR02R TR01R KTA1273 R_OUT -VPP ER02L 220nF 50V TE101 TUNED ER112 47uF STEREO PROTECT 820K AR101 P-ON/OFF RESET ER111 H/P_SENSE +5. 6V ER105 330K FMU-SM1-15PM FMU-SM1-25PM...
  • Page 21 Front section DIODE MATRIX OPTION AREA FREQ. STEP SELECT UD01 VFD1 UD02 AREA FREQ. STEP SELECT UD03 AREA FREQ. STEP SELECT CLOCK SELECT 64 63 62 61 60 59 58 57 56 55 54 53 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 UD04 H+4.
  • Page 22 SMPS section JVC DELETE KTA1273 SMD40 SMQ41 EU01W 100V AREA 200V AREA SMIC45 SMC04 JUMP WIRE 330uF 250V 7808 SMPN02 SMC05 330uF 250V 330uF 250V Input 3P, ANGLE Output SMC14 JUMP WIRE 68uF 250V SMC15 68uF 250V 68uF 250V KSA2328A-Y...
  • Page 23 Jack section ZJ101 J C 0 3 W0 1 2 1 N VIDEO-IN JR01L JR01R JR007 UX103 12MHz/12pF VIDEO-IN AUX-L J I C 0 1 PCM2704DBR AUX-R USB-L SSPND JR12R USB-R TEST0 SSPND PSEL TEST1 JR12L HP-L DOUT HID2/MD HP-R JC007 DGND HID1/MC...
  • Page 24 DVD section (1/2) P3.3V D1.2V IC302 IC302 MM1701CH-X 0.01 C328 R327 DGND R330 DACPDN R331 ADCRST DAC1CS DVDPWR R332 DAC2CS C372 R318 SWMUTE TP325 TP320 CPURST C102 C376 C373 D301 TP328 VREFH TP329 C101 TP330 TP331 R104 E3+F3 R112 TP332 E4+F4 4.3k 4.3k...
  • Page 25 DVD section (2/2) IC704 C708 R716 C706 IC505 IC509 K4S641632H-UC75 C705 SG32M90TFIR3 C704 ADCRST C551 R720 EXADT15 EXADR16 C707 EXADT14 MDQ0 MDQ15 EXADT13 R715 EXADT12 EXDT15 MDQ1 MDQ14 EXADT11 EXDT7 MDQ2 C563 MDQ13 R714 EXADT10 EXDT14 C556 K744 EXADT9 EXDT6 MDQ3 MDQ12 R704...
  • Page 26 DVD loader section QVY0027-B14 WJM0331-001A QSW0923-001 WJM0330-002A LB1641 LB1641 TR3_CL TR2_CL QSW0854-002 TR4_CL TR1_CL TR5_CL M.TR_OP M.TR_OP TR5_CL TR5_CL TR4_CL TR4_CL POS_UP TR3_CL TR3_CL TR_OP TR2_CL TR2_CL POS_DOWN TR1_CL TR1_CL TR_CL 0.1/50 0.1/50 QRA0164-001 QRA0164-001...

  • Page 27: Printed Circuit Boards

    Printed circuit boards Amplifier board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side reverse side HX-D77/MX-C55 PCB AMP AE101 AE101 SE102 EQ101 EE010 FL + FL - -30V -30V EE010 (2P) SQ107 ER102 EE009...
  • Page 28 Front board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side Front key board Front VFD board LD205 SW206 DISC5-OP/CLS SW205 JW80 DISC5 JW22 VFD1 FC201 REYE1 LD204 FE200 SW204 SW207 DISC4 DISC4-OP/CLS SW219 LD207...
  • Page 29 Front board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) reverse side Front VFD board Front key board USB LED board Volume LED board Jog LED board 2-11...
  • Page 30 SMPS board Phone board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) SMCM02 SMTH01 SMLF01 SMD04 SMC13 SMD05 SMR08 SMR09 SMR10...
  • Page 31 Loader board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Motor board) (Switch board) (Tray switch board) (Sensor board) 2-13...
  • Page 32 DVD board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side CN452 CN453 D701 IC705 C707 X451 C708 IC451 X301 IC505 2-14...
  • Page 33 DVD board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) reverse side CN701 CN702 CN703 CN704 C108 IC703 Q104 Q103 IC701 IC702 TP324 TP307 C106 TP326 TP306 TP323 TP314 TP315 Q102 R107 Q101 TP751 TP104 TP103...
  • Page 34 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB556SCH)

  • Page 35: Parts List

    PARTS LIST HX-D77UJ * All printed circuit boards and its assemblies are not available as service parts. - Contents - Exploded view of general assembly and parts list (Block No.M1) DVD mechanism assembly and parts list (Block No.MJ) DVD changer assembly and parts list (Block No.MK) Electrical parts list (Block No.01~05)
  • Page 36 Exploded view of general assembly and parts list Block No. Front VFD board Jog LED board Volume LED board USB LED board Phone board...
  • Page 37 SMPS board AMP board Front key board USB LED board hone board...
  • Page 38 General Assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local AH64-03839B VFD WINDOW AH67-00400B FRONT CAP L AH64-03833B JOG KNOB AH67-00402B JOG CAP AH67-00405A JOG LENS AH64-03837B VOLUME KNOB AH67-00408A VOLUME LENS AH67-00403B VOLUME CAP AH67-00407A USB LENS AH67-00401B FRONT CAP R...
  • Page 39 DVD mechanism assembly and parts list Block No. FXL-G8-1M Grease =JVG-31N =JVS-1003 2.4mm + 0.1mm Letter side APPLY AREA Letter side 7.0mm + 0.1mm Reverse side The parts without symbol number are not service.
  • Page 40 DVD mechanism Block No. [M][J][M][M]  Symbol No. Part No. Part Name Description Local LV10985-002A C.TM CHASSIS QAR0334-002 S.MOTOR QYSPSPU1740ZA SCREW M1.7 x 4mm(x3) QAR0144-003 MOTOR VKS5557-001 F.M. GEAR QYSPSPT2025ZA SCREW M2 x 2.5mm LV35461-002A MIDDLE GEAR LV44040-001A SCREW SHAFT LV35462-001A SCREW SHAFT GEA QAL0667-002...
  • Page 41 DVD changer mechanism assembly and parts list FMU-SM1-25M Block No. Grease =JVG-31N =JVS-1003 CH5-BASE-1M The parts without symbol number are not service.
  • Page 42 DVD changer mechanism Block No. [M][K][M][M]  Symbol No. Part No. Part Name Description Local 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) LV33965-004A LIFTER ASSY LV33963-001A...

  • Page 43: Electrical Parts List

    Electrical parts list Front board  Symbol No. Part No. Part Name Description Local Block No. [0][1] FR220 2001-000241 C RESISTOR 1.5KΩ 1/8W  Symbol No. Part No. Part Name Description Local FR221 2001-000258 C RESISTOR 1.8KΩ 1/8W FR222 2001-000449 C RESISTOR 2.2KΩ...

  • Page 44: Amp Board

     Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local UR144 2001-000786 C RESISTOR 47KΩ 1/8W UX102 2802-001198 C RESONATOR 10MHz UR145 2001-000786 C RESISTOR 47KΩ 1/8W VFD1 AH07-00152B VFD DISPLAY BN016GNK UR146 2001-000786 C RESISTOR...
  • Page 45  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local EE07L 2401-000598 E CAPACITOR 1uF 50V MC102 2203-000206 CHIP CAPACITOR 100nF 50V EE07R 2401-000598 E CAPACITOR 1uF 50V MC103 2203-000206 CHIP CAPACITOR 100nF 50V EE10L 2401-000414...
  • Page 46  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local WC24L 2203-001596 CHIP CAPACITOR 2200nF 50V HR11R 2007-000300 CHIP RESISTOR 10KΩ WC24R 2203-001596 CHIP CAPACITOR 2200nF 50V HR12L 2007-000468 CHIP RESISTOR 1KΩ WC25L 2203-001596 CHIP CAPACITOR...
  • Page 47 DVD servo board (FMU-SM1-25M)  Symbol No. Part No. Part Name Description Local Block No. [0][4] WR10R 2007-000312 CHIP RESISTOR 10Ω 1/4W XR101 2007-000477 CHIP RESISTOR 1MΩ  Symbol No. Part No. Part Name Description Local XR102 2007-000931 CHIP RESISTOR 470Ω...
  • Page 48  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C325 NDC31HJ-120X C CAPACITOR 12pF 50V J R116 NRSA63J-471X MG RESISTOR 470Ω 1/16W J C326 NDC31HJ-100X C CAPACITOR 10pF 50V J R117 NRSA63J-331X MG RESISTOR 330Ω...
  • Page 49  Symbol No. Part No. Part Name Description Local R541 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R701 NRSA63J-2R2X MG RESISTOR 2.2Ω 1/16W J R703 NRSA63J-471X MG RESISTOR 470Ω 1/16W J R704 NRSA63J-471X MG RESISTOR 470Ω 1/16W J R717 NRSA63J-473X MG RESISTOR 47kΩ...

  • Page 50: Packing Materials And Accessories Parts List

    Packing materials and accessories parts list Block No. A1,A3,A4,A5, A6,A7,A8 3-16...
  • Page 51 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local AH68-01855C INST BOOK LVT1540-003A ENG AH59-01539B REMOCON AH39-00320C FM WIRE AH42-00019A ANT LOOP ------------ BATTERY (x2) AH65-00007A FERRITE CORE (x3) 3721-000117 CONVERSION PLUG  AH39-40001V RCA CABLE 3000mm AH81-01979A...

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Sp-hxd77Ca-hxd77

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