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JVC HX-D77J Service Manual
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JVC HX-D77J Service Manual

Compact component system
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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
2006
5
MB517
HX-D77J,HX-D77C
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
SP-HXD77
CA-HXD77

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
SP-HXD77
No.MB517
2006/5

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Summary of Contents for JVC HX-D77J

  • Page 1: Table Of Contents

    SERVICE MANUAL COMPACT COMPONENT SYSTEM MB517 2006 HX-D77J,HX-D77C 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 Amplifier section-CA-HXD77 180 W per channel, min. RMS, driven into 3 Ω at 63 Hz with no more than 10% Output Power SUBWOOFERS total harmonic distortion. 90 W per channel, min. RMS, driven into 6 Ω at 1 kHz with no more than 10% total MAIN SPEAKERS 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 Importance administering point on the safety SCONDARY PRIMARY SMC04 SMPN01 SMCN01 1 3 : PVDD SMD60 4 6 : P_GND SMR50 7 : - 1 2 V SMFU01 8 : S_GND 9 : 1 2 V T4AL 2 5 0 V (4A 250V) SMVR01 SMC63...
  • Page 5 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.CAUTION : Visible and/or invisible class 1M laser radiation when open. Do not view directly with optical 6.CAUTION : Use of controls, adjustments or performance of instruments.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-6 (No.MB517)

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the top cabinet (See Figs.1 and 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 sides of the main body, remove the four screws B attaching the top cabinet.
  • Page 8 3.1.2 Removing the fan motor (See Figs.3 and 4) • Remove the top cabinet. (1) From the back side of the main body, remove the two Rear cabinet screws C attaching the fan motor to the rear cabinet. (See Fig.3.) (2) From the top side of the main body, disconnect the wire from the connector CN108...
  • Page 9 3.1.3 Removing the amplifier board (See Figs.4 to 6) • Remove the top cabinet. (1) From the top side of the main body, disconnect the wire of Rear cabinet the fan motor from the connector CN108 on the amplifier board. (See Fig.4) (2) Disconnect the wires from the connector CN102 on the am-...
  • Page 10 3.1.4 Removing the SMPS board (See Figs.7 to 9) • Remove the top cabinet and amplifier board. (1) From the back side of the main body, remove the two screws F attaching the rear cabinet. (See Fig.7.) Rear (2) From the top side of the main body, remove the screw G attaching the earth wire on the bottom cabinet.
  • Page 11 3.1.5 Removing the 5DVD changer mechanism assembly (See Figs.10 to 13) • Remove the top cabinet, rear cabinet and amplifier board. (1) From the top side of the main body, release the claws b and remove the amplifier board holder from the 5DVD changer mechanism assembly.
  • Page 12 3.1.6 Removing the front cabinet assembly (See Figs.14 to 16) • Remove the top cabinet, rear cabinet, amplifier board and 5DVD changer mechanism assembly. Front cabinet assembly (1) From the top side of the main body, remove the screw N at- taching the earth wires on the bottom cabinet.
  • Page 13 3.1.7 Removing the front VFD board (See Fig.17) • Remove the top cabinet, rear cabinet, amplifier board, 5DVD changer mechanism assembly and front cabinet assembly. Front VFD board (1) From the inside of the front cabinet assembly, remove the three screws Q attaching the front VFD board. (2) Take out the front VFD board from the front cabinet assem- bly and disconnect the card wire from the connector FW102 on the forward side of the front VFD board.
  • Page 14 3.1.8 Removing the front key board (See Figs.18 and 19) • Remove the top cabinet, rear cabinet, amplifier board, 5DVD changer mechanism assembly, front cabinet assembly and Front key board front VFD board. (1) From the inside of the front cabinet assembly, remove the seven screws R attaching the front key board.
  • Page 15 3.1.10 Removing the jog LED board, volume LED board and USB LED board (See Fig.20) • Remove the top cabinet, rear cabinet, amplifier board, 5DVD changer mechanism assembly, front cabinet assembly, front Front key board VFD board and front key board. (1) From the front side of the front key board, release the claws (h) and remove the jog LED board, volume LED board and USB LED board from the front key board.

  • Page 16: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. 1-16 (No.MB517)

  • Page 17: Troubleshooting

    SECTION 5 TROUBLESHOOTING Amplifier 5.1.1 Power Malfunction SMPS Front pcb SMIC42 input check the PCB u-com Vdd voltage SMIC01,SMD43 normal? normal? -CHECK AMP PCS WIRE CN107 Front PCB Front PCB Check the SMPS p-sense voltage dose UX101(10MHz) SMD44 normal? oscillate? (#82) Front PCB Replace u-COM IC...
  • Page 18 SMPS Check STANDBY P-SENSE Replace SMPS (smCN02 normal? PIN 9) CHECK AMP PCB Check Check 3V,5V,12V SMIC42,SMIC43 Set play is (SMCN02 pin 3,4, Replace SMPS SMIC44 input 5,6 SMCN01 (PIN NO.1) pin 9) Replace CHECK AIC01 SMIC42,43 OR 44 AT AMP PCB Check SMNC01 Sound...
  • Page 19 USB Maifunction Front Jack PCB JIC-1 pin #10 -Check the USB Cable voltage 5V normal? Front Jack -CHECK THE FRONT PCB PCB JIC01 pin #7 JIC01 PIN#4 VOLTAGE voltage more than -CHECK THE OSCILLATOR 2.5V? FREQUENCY 12MHz normal? Front Jack PCB JIC01 -REPLACE OF JIC01 pin #14,15 analog signal normal?
  • Page 20 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB517) Printed in Japan...
  • Page 21 PARTS LIST HX-D77J,HX-D77C * 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 (FXL-G8-1M) (Block No.MJ) DVD changer assembly and parts list (FMU-SM1-25M) (Block No.MT) DVD mechanism assembly and parts list (FXL-D20-15M) (Block No.MU)
  • Page 22 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 23 SMPS board AMP board Front key board SB LED board one board...
  • Page 24 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 25 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 26 DVD mechanism (FXL-G8-1M) 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 27 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 28 DVD changer mechanism (FMU-SM1-25M) Block No. [M][T][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...
  • Page 29 DVD mechanism assembly and parts list Block No. FXL-D20-15M Grease =JVG-31N =JVS-1003 =1401C < Back side > 7.0mm 0.2mm The parts without symbol number are not service.
  • Page 30 DVD mechanism (FXL-D20-15M) Block No. [M][U][M][M]  Symbol No. Part No. Part Name Description Local LV22234-001A TM.CHASSIS LV22294-001A C.SPINDLE BASE QYSDST2005ZA TAP SCREW M2 x 5mm(x2) LV36791-001A C.G.S.HOLDER QYSDST2005ZA TAP SCREW M2 x 5mm LV44041-002A GUIDE SHAFT LV44479-001A BAR SPRING LV22236-001A FEED HOLDER QAR0165-001...
  • Page 31 DVD changer mechanism assembly and parts list FMU-SB4-15M Block No. Grease =JVG-31N =JVS-1003 CH5-BASE-1M The parts without symbol number are not service. 3-11...
  • Page 32 DVD changer mechanism (FMU-SB4-15M) 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...
  • Page 33 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 34  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local UR144 2001-000786 C RESISTOR 47KΩ 1/8W FW303 AH39-00479A WIRE HARNESS UR145 2001-000786 C RESISTOR 47KΩ 1/8W REYE1 0609-001187 MODULE REMOCON UR146 2001-000786 C RESISTOR 47KΩ...
  • Page 35  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local EE06R 2401-000588 E CAPACITOR 1uF 50V MC101 2203-000206 CHIP CAPACITOR 100nF 50V EE07L 2401-000598 E CAPACITOR 1uF 50V MC102 2203-000206 CHIP CAPACITOR 100nF 50V EE07R 2401-000598...
  • Page 36  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local WC23R 2203-001128 CHIP CAPACITOR 0.68nF 50V HR11L 2007-000300 CHIP RESISTOR 10KΩ WC24L 2203-001596 CHIP CAPACITOR 2200nF 50V HR11R 2007-000300 CHIP RESISTOR 10KΩ WC24R 2203-001596 CHIP CAPACITOR...
  • Page 37  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local WR10L 2007-000312 CHIP RESISTOR 10Ω 1/4W 32P for VFD XXXXX 3809-001823 FLAT CABLE FW101 to AMP WR10R 2007-000312 CHIP RESISTOR 10Ω 1/4W CN101 XR101 2007-000477...
  • Page 38  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C316 NCF31EZ-104X C CAPACITOR 0.1uF 25V Z R107 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J C318 NCF31EZ-104X C CAPACITOR 0.1uF 25V Z R108 NRSA63J-471X MG RESISTOR 470Ω...
  • Page 39  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R456 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J QSW0854-002 PUSH SW R457 NRSA63J-101X MG RESISTOR 100Ω 1/16W J QSW0923-001 DETECT SWITCH R458 NRSA63J-102X MG RESISTOR 1kΩ...
  • Page 40  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C321 NCB31CK-104X C CAPACITOR 0.1uF 16V K R115 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J C322 NCB31CK-104X C CAPACITOR 0.1uF 16V K R116 NRSA63J-471X MG RESISTOR 470Ω...
  • Page 41  Symbol No. Part No. Part Name Description Local R704 NRSA63J-471X MG RESISTOR 470Ω 1/16W J R717 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R731 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R732 NRSA63J-331X MG RESISTOR 330Ω 1/16W J CN101 QGF0523F3-24W CONNECTOR FFC/FPC (1-24) CN201 QGF1016F8-08W...
  • Page 42 Packing materials and accessories parts list Block No. A1,A2, A3,A4,A5 3-22...
  • Page 43 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local AH68-01855A INST BOOK D77J AH68-01855B INST BOOK ENG FRE D77C AH39-40001V RCA CABLE 3000mm AH39-00320C FM WIRE AH42-00023A AM LOOP ANT ------------ BATTERY (x2) AH59-01539B REMOCON FOR HX-D77 AH81-01979A...

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Hx-d77c