JVC KD-AHD69J Service Manual
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JVC KD-AHD69J Service Manual

JVC KD-AHD69J Service Manual

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SERVICE MANUAL
2 S ERVICE MANUAL
2010
MA468<Rev.001>
KD-AHD69J, KD-HDR60J
COPYRIGHT © 2010 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
CD RECEIVER

TABLE OF CONTENTS

COPYRIGHT © 2010 Victor Company of Japan, Limited
No.MA468<Rev.001>
2010/2

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  • Page 1: Table Of Contents

    MA468<Rev.001> 2010 2 S ERVICE MANUAL KD-AHD69J, KD-HDR60J COPYRIGHT © 2010 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) TABLE OF CONTENTS PRECAUTION.
  • Page 2 SPECIFICATION AUDIO AMPLIFIER SECTION 20 W RMS × 4 Channels at 4 Ω and < 1% THD+N Power Output 80 dBA (reference: 1 W into 4 Ω) Signal-to-Noise Ratio 4 Ω (4 Ω to 8 Ω allowance) Load Impedance Equalizer Control Range Frequencies 45 Hz, 120 Hz, 315 Hz, 800 Hz, 2.4 kHz, 6.3 kHz, 15 kHz Level...

  • 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 Attention when traverse unit is decomposed *Please refer to "Disassembly method" in the text for the pickup unit. • Apply solder to the short land sections before the card wire is disconnected from the connector on the servo board. (If the card wire is disconnected without applying solder, the pickup may be destroyed by static electricity.) •...
  • Page 6 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 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MA468<Rev.001>)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main body (3) Remove the three screws H attaching the Main board. (See Fig.5) 3.1.1 Removing the Bottom chassis (See Fig.1) (4) Disconnect the B-B connector connected CD mechanism (1) Remove the two screws A and one screw B attaching the and Main board CN481 of the Main board.

  • Page 9: No.ma468

    CD MECHANISM assembly section • Remove the CD MECHANISM assembly from the main body. 3.2.1 Removing the MECHANISM CONTROL BOARD Mechanism assembly (See Fig.1 and 2) control board (1) From the bottom side of CD MECHANISM assembly, CN102 remove the solders from the soldered sections (a, b and c) on the MECHANISM CONTROL BOARD assembly.
  • Page 10 3.2.2 Removing the top cover (See Fig.3 to 5) • Remove the MECHANISM CONTROL BOARD assembly. Top cover (1) From the front side of the CD MECHANISM assembly, change the hook position of the two roller springs. (See Fig.3.) (2) From the side of the CD MECHANISM assembly, remove the six screws B attaching the top cover.

  • Page 11: Mecha Frame Fig

    3.2.4 Removing the PHOTO BOARD assembly (See Fig.7 and 8) Mechanism section • Remove the MECHANISM CONTROL BOARD assembly and top cover. Mecha frame spring spring (1) From the bottom side of the top cover, release the projection e from the notch of the disc plate. (See Fig.7.) (2) Take out the disc plate in the direction of the arrow.
  • Page 12 3.2.6 Removing the slide cam (L) (See Fig.11 to 13) Slide cam(L) • Remove the MECHANISM CONTROL BOARD assembly, top cover and mechanism section. (1) From the top side of the mecha frame, remove the screw F attaching the cam cover. (See Fig.11.) (2) Take out the cam cover from mecha frame in an upward direction.
  • Page 13 3.2.7 Removing the F.lock lever and slide cam (R) (See 3.2.8 Removing the damper (See Fig.16) Fig.14 and 15) • Remove the MECHANISM CONTROL BOARD assembly, top • Remove the MECHANISM CONTROL BOARD assembly, top cover and mechanism section. cover and mechanism section. From the mechanism section, pull out the three dampers in the (1) From the top side of the mecha frame, take out the slide direction of the arrow.
  • Page 14 3.2.10 Removing the feed motor (See Fig.18 and 19) • Remove the MECHANISM CONTROL BOARD assembly, top Feed motor cover, mechanism section and clamper assembly. (1) From the bottom side of the T.M chassis assembly, remove Comp. spring F.worm gear the two screws G attaching the feed motor assembly.
  • Page 15 3.2.13 Removing the pickup assembly (See Fig.21 to 22) 3.2.14 Removing the spindle motor (See Fig.23 and 24) • Remove the MECHANISM CONTROL BOARD assembly, top • Remove the MECHANISM CONTROL BOARD assembly, cover, mechanism section, clamper assembly and feed motor top cover, mechanism section, clamper assembly, feed motor assembly.

  • Page 16: Adjustment

    (1) Digital oscilloscope (100MHz) Balance and Bass &Treble volume : lndication"0" (2) Digital tester Loudness : OFF (3) Test Disc JVC :CTS-1000 Dummy load (4) Extension cable for check Exclusive dummy load should be used for AM,and FM. EXTSH002-22P x 1...
  • Page 17 SERVICE MODE 4.6.1 Service mode setting (1) Push POWER BUTTON (Power ON) (2) Set to service mode Keep this state more 3 seconds while continuing pressing the [MENU] button and [DISC DOWN] button scquentially. *Exchanging of operate a menu of a service mode with the [FF] button and [REW] button. Operate choice of a menu with a [ENT] button.
  • Page 18 TUNER ADJ AUTO ADJ Only factory setup. No use. MANUAL ADJ ADJ1 1. FM DAA 1. FM DAA 87.5 40dBuV 0% 87.5 40dBuV 0% Press OK No signal ADJ2 2. FM DAA 2. FM DAA 97.9 40dBuV 0% 97.9 40dBuV 0% Press OK No signal ADJ3...
  • Page 19 Confirmation method of a micon version (1) Push POWER BUTTON (Power ON). (2) Set this set at tuner mode. (3) Keep this state more than 3 seconds while continuing pressing the [ENT] button and [MENU] button sequentially. (4) It is displayed as follows by a display window. MAIN V Main micon version CD V...
  • Page 20 4.8.3 CD changer mechanism error code Error contents Details Error code Detailed error code Tray eject error (1) TRAYINSW time over Tray motor time over Tray motor does not operate. 0011 (TRAYINSW:L,TRAYOUTSW:H) (2) TRAYOUTSW time over Tray stops. 0012 (TRAYINSW:H,TRAYOUTSW:H) (3) TRAYINSW time over TRAYINSW NG etc.
  • Page 21 4.8.4 CD changer disc error code Error contents Details Error code Detailed error code Pickup movement error Time over at PUBWD and PUFWD by monitoring RESET SW. (1) Time over of pickup move- Pickup cannot move in an inner direction. 0051 ment in an inner direction(10s) RESET SW is not on.

  • Page 22: Troubleshooting

    SECTION 5 TROUBLESHOOTING 16 PIN CORD DIAGRAM Black Green Gray GN/BK WH/BK Blue Orange VI/BK GY/BK White Yellow Violet BL/WH OR/WH OR/WH GN/BK VI/BK WH/BK GY/BK 3 BL/WH 1-22 (No.MA468<Rev.001>)
  • Page 23 Victor Company of Japan, Limited Mobile Entertainment Division 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA468<Rev.001>) Printed in Japan...

  • Page 24: Parts List

    PARTS LIST KD-AHD69J, KD-HDR60J MODEL MARK KD-AHD69J KD-HDR60J * All printed circuit boards and its assemblies are not available as service parts. - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 CD mechanism assembly and parts list (Block No.MB) 3-14 Packing materials and accessories parts list (Block No.M3)
  • Page 25 Exploded view of general assembly and parts list Block No. Switch board...
  • Page 26 Block No. Main board HD board The parts without symbol number are not service.
  • Page 27 NAME PLATE GE40442-001A FCC RULE LABEL GE33886-002A FRT PANEL ASSY GE33886-003A FRT PANEL ASSY GE33885-024A FINDER ASSY GE33885-025A FINDER ASSY GE40463-001A JVC BADGE GE33800-002A EJECT BUTTON GE33801-002A SOURCE BUTTON GE33802-004A NAVI BUTTON GE33803-001A DISP BUTTON GE40495-001A MENU BTN ASSY GE33805-003A...
  • Page 28 CD mechanism assembly and parts list Block No. Grease JVG-31N FG-87HS JVS-1003 Photo board Rest switch board Back side 11.1mm 0.1mm Mecha control board 11.1mm 0.1mm 17 18 The parts without symbol number are not service.
  • Page 29 CD mechanism Block No. [M][B][M][M] Symbol No. Part No. Part Name Description Local  LV11256-001A MECHA FRAME LV36800-002A LINK ARM LV44658-001A LINK SPRING LV22300-002A SLIDE CAM (L) LV22298-002A SLIDE CAM(R) LV36802-001A LOAD RACK LV44552-001A RETURN SPRING LV36803-002A F LOCK LEVER LV36804-002A CAM COVER VKZ4539-054...

  • Page 30: Electrical Parts List

    Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] D7411 RKZ6.2B2KG-X Z DIODE  Symbol No. Part No. Part Name Description Local D7412 RKZ6.2B2KG-X Z DIODE D7413 RKZ6.2B2KG-X Z DIODE D7414 RKZ6.2B2KG-X Z DIODE IC10 SAF7746HW/N100...
  • Page 31  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C483 QERF1CM-107Z E CAPACITOR 100uF 16V M C817 NCB21CK-105X C CAPACITOR 1uF 16V K C501 NDC31HJ-150X C CAPACITOR 15pF 50V J C818 NCB31HK-103X C CAPACITOR 0.01uF 50V K...
  • Page 32  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R735 NRSA63J-221X MG RESISTOR 220Ω 1/16W J NRSA63J-682X MG RESISTOR 6.8kΩ 1/16W J R736 NRSA63J-221X MG RESISTOR 220Ω...
  • Page 33  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R860 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R6605 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R861 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R7101 NRSA63J-333X MG RESISTOR 33kΩ...
  • Page 34 Block No. [0][3]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local D661 HSU119-X SI DIODE D662 HSU119-X SI DIODE D691 RKZ5.1B2KG-X Z DIODE  IC101 SAF3560HV/V1100 D692 RKZ5.1B2KG-X Z DIODE IC151 JVM459C PROGRAMED IC...
  • Page 35  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local RA104 NRZ0114-470W NET RESISTOR 47Ω C501 NEHN1AM-107X E CAPACITOR 100uF 10V M RA105 NRZ0114-470W NET RESISTOR 47Ω C502 NCB31CK-104X C CAPACITOR 0.1uF 16V K RA106 NRZ0114-470W NET RESISTOR...
  • Page 36  Symbol No. Part No. Part Name Description Local R513 NRSA63J-153X MG RESISTOR 15kΩ 1/16W J R514 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R515 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R516 NRSA63J-562X MG RESISTOR 5.6kΩ 1/16W J R517 NRSA63J-562X MG RESISTOR 5.6kΩ...
  • Page 37 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. HDR60J P2 2/2 A1,A2,A3, A4,A5 The parts without symbol number are not service. 3-14...
  • Page 38 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  LVT2095-001A INST BOOK ENG SPA FRE LVT2096-001A INSTALL MANUAL ENG SPA FRE ------------ WARRANTY CARD BT-52008-1 ------------ WARRANTY CARD BT-51029-3 ------------ WARRANTY CARD BT-51018-6 BT-51044-1 REGISTRATION CARD GE40481-001A HOOK...

  • Page 39: Schematic Diagrams

    SCHEMATIC DIAGRAMS CD RECEIVER KD-AHD69J KD-HDR60J (No.MA468<Rev.001>)1/21...
  • Page 40 ■ PRECAUTIONS ON SCHEMATIC DIAGRAMS Due to the improvement in performance, some part numbers shown in the circuit diagrams may not agree with those indicated in the Parts List. The parts numbers, values and rated voltage etc. in the Schematic Diagrams are for reference only.
  • Page 41 FOCUS+/- 16.9344MHz DC_DC_5V VT1, VT2 TRK+/- MD, LD PICK UP CD_SO I (CD_SO) IC301 E_VOL_OUT_FL CD_SI O (CD_SI) E_VOL_OUT_FR Used for KD-AHD69J VF1, VF2 CPU/CD RF LINE OUT FOCUSING E_VOL_OUT_SW FOCUS+/- VT1, VT2 Q5411 & IC261 CD_SCLK COIL Q6411 5V AMP.
  • Page 42 <Main section> To HD section CN101 HS101 CN101 KD-HDR60JD: HD DECORDER REG. SHIELD CASE : LV38578-001A LVA10942-01B OPEN IBOC_SCL KD-AHD69JD: IBOC_SDA LVA10942-02B HD_RST IC402 IC401 NJM2855DL1-33-X MM1701CH-X L401 OPEN 1.2V 3.3V Vout 3.3V 5.1V 0.3V 3.3V Cont ANT JACK D_GND J501 QNB0190-001 BLEND...

  • Page 43: Dsp Section

    <DSP section> LINE OUT KD-HDR60JD:LVA10942-01B *C2612 *CN241 KD-AHD69JD:LVA10942-02B R4411 5V AMP *IC261 C4401 *C2613 100p 2.2k LINE OUT 8.5V MUTE CIN1 C2203 0.8V 8.5V COUT1 RLOUT 4.7/50 *R2605 *R2604 DAC_OUT_R 8.2V *R2609 FLOUT C6401 C5401 D2411 0.047 100p 3.2V 0.4V *R2608 MC2836-X R2202...
  • Page 44 <USB section> KD-HDR60JD:LVA10942-01B KD-AHD69JD:LVA10942-02B D_GND USB_DA USB_DA C557 USB_BCK To Main section USB_BCK 47/6.3 USB_WS USB_WS Q410 IC413 2SB1424/QR/-W NJM2878F4-15-X 3.3V DSP_3.3V 3.2V C558 2.7V 3.2V 1.5V 47/6.3 3.3V Z_DET 3.2V 3.3V R812 CD_RST DSP_RST R811 3.2V C546 3.3V 3.3V DVSS3R R859 1.7V...
  • Page 45 <LCD & Key control section> GEA10284-91A PWB: GEB10284-001A LCD1 LCD DISPLAY QLD0631-001 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 MENU HOLD LOUD REMOCON J601 QNS0280-001 IC681 KSM-2003TN2M 3.7V R670 R671 AUX IN OPEN OPEN D681...
  • Page 46 <HD section> LVA10943-01B MA[12;0] 28.224MHz Radio X101 NAX0964-001X Processor MBA[1;0] NQR0129-003X R106 SDRAM L101 C111 IC191 M12L1281687TG2T C180 C181 OPEN OPEN C195 3.3V C194 2.3V DQ15 3.3V 3.3V RA104 CLK_OUT MEM_CAS_N VDDQ GNDQ 3.3V 3.3V C130 RESET_N DVDD_SD DQ14 R104 3.2V 3.3V I2C1_SCL...
  • Page 47 <CD section> CN101 QGB2027LA-22X D501 7.9V CD8V 7.9V CD8V 0.1V 1SR154-400-X REG3.3V 1.7V OUTL 0.0V AGND 1.7V Q501 OUTR 3.4V 6.0V 3.3V 3.4V 5.4V 2SB1424/R/-W 3.4V 3.2V To Main section 3.3V 1.6V CN481 C503 BCLK 1.7V LRCK 1.7V SRDATA 0.0V R507 R511 15k LRMUTE...

  • Page 48: Main Board

    <Main 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-Cu, melting point : 230 Centigrade)) CN702 IC301 D901 C967 C968 CN241 C2002 C5002 Q5411 C4002 C3002...
  • Page 49 <Main 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-Cu, melting point : 230 Centigrade)) CN702 CN351 D901 CN241 IC301 C323 C324 C322 C325 CN901 R910...
  • Page 50 <Switch 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-Cu, melting point : 230 Centigrade)) R611 S608 R612 R613 R610 R631 S601 R658 R681 S609 GEA10284-...
  • Page 51 <Switch 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-Cu, melting point : 230 Centigrade)) CN603 GEB10284A1 R624 R627 C628 R666 IC601 C691 R665 C601 D661...
  • Page 52 <LED 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-Cu, melting point : 230 Centigrade)) No.MA468 created date:2010-02-05 (No.MA468<Rev.001>)14/21...
  • Page 53 <LED 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-Cu, melting point : 230 Centigrade)) No.MA468 created date:2010-02-05 (No.MA468<Rev.001>)15/21...
  • Page 54 <HD 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-Cu, melting point : 230 Centigrade)) CN102 1P1B X101 RA101 RA102 RA103 C114 RA101 RA103 RA102 IC101...
  • Page 55 <HD 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-Cu, melting point : 230 Centigrade)) 4P1B CN102 MARK C193 C124 C127 R103 R103 R101 R101 R164...
  • Page 56 <Mecha control 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-Cu, melting point : 230 Centigrade)) R345 C337 R346 R317 C336 R344 R339 R342 C329 R337...
  • Page 57 <Mecha control 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-Cu, melting point : 230 Centigrade)) CN102 TRK- TRK+ FCS+ FCS- Q301 C316 C101 IC302 EPDA...
  • Page 58 <Photo 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-Cu, melting point : 230 Centigrade)) ORANGE MARK LVA10787-A3 BROWN No.MA468 created date:2010-02-05 (No.MA468<Rev.001>)20/21...
  • Page 59 <Rest switch 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-Cu, melting point : 230 Centigrade)) LVA10787-A2 MARK No.MA468 created date:2010-02-05 (No.MA468<Rev.001>)21/21...

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