JVC KD-S12 Service Manual
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JVC KD-S12 Service Manual

JVC KD-S12 Service Manual

Cd receiver
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SERVICE MANUAL
8
2005
MA216
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
CD RECEIVER
KD-S12

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
Area suffix
J ------------- Northern America
No.MA216
2005/8

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  • Page 1: Table Of Contents

    SERVICE MANUAL CD RECEIVER MA216 2005 KD-S12 Area suffix J ------------- Northern America Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTIONS ............... 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION AUDIO AMPLIFIER SECTION 18 W RMS × 4 Channels at 4 Ω and [< or =] 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 Tone Control Range Bass...

  • Page 3: Precautions

    SECTION 1 PRECAUTIONS Safety Precautions Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
  • 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. 1.2.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as CD players.

  • Page 5: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MA216)1-5...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the front panel assembly (See Fig.1) Push the detach button in the lower right part of the front panel assembly and remove the front panel assembly. Front panel assembly Detach button Fig.1 3.1.2 Removing the bottom cover (See Fig.2) •...
  • Page 7 3.1.4 Removing the side panel (See Fig.4) • Remove the front panel assembly as required. (1) Remove the screw B and two screws C attaching the side panel on the left side of the main body. (2) Remove the side panel from the main body. Side panel Fig.4 3.1.5 Removing the rear bracket...
  • Page 8 3.1.7 Removing the CD mechanism assembly (See Fig. 7) • Remove the front panel assembly, bottom cover, side panel, rear bracket and main board. (1) Remove the three screws H attaching the CD mechanism assembly on the top chassis. (2) Take out the CD mechanism assembly. CD mechanism assembly Top chassis Fig.7...
  • Page 9 CD Mechanism Assembly 3.2.1 Removing the top cover (See Figs.1 and 2) (1) Remove the two screws A on the both side of the body. (2) Lift the front side of the top cover and move the top cover backward to release the two joints a. Top cover Joints a Fig.1...
  • Page 10 3.2.2 Removing the connector board Wires (See Figs.3 to 5) CAUTION: Before disconnecting the flexible wire from the pickup, solder the short-circuit point on the pickup. No observance of this in- struction may cause damage of the pickup. (1) Remove the screw B fixing the connector board. (2) Solder the short-circuit point on the connector board.
  • Page 11 3.2.3 Removing the DET switch (See Figs.6 and 7) (1) Extend the two tabs c of the feed sw. holder and pull out the switch. (2) Unsolder the DET switch wire if necessary. DET switch Connector board Pickup Fig.6 Tab c DET switch DET switch wire Tab c...
  • Page 12 3.2.4 Removing the chassis unit (See Figs.8 and 9) • Prior to performing the following procedure, remove the top Chassis unit cover and connector board. Suspension spring (L) Suspension spring (R) (1) Remove the two suspension springs (L) and (R) attaching the chassis unit to the frame.
  • Page 13 3.2.5 Removing the clamper assembly (See Figs.10 and 11) • Prior to performing the following procedure, remove the top cover. (1) Remove the clamper arm spring. Clamper arm (2) Move the clamper assembly in the direction of the arrow to spring release the two joints d.
  • Page 14 3.2.6 Removing the loading / feed motor assembly (See Figs.12 and 13) • Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw C and move the loading / feed motor assembly in the direction of the arrow to remove it from the chassis rivet assembly.
  • Page 15 3.2.7 Removing the pickup unit Pickup unit (See Figs.14 to 18) • Prior to performing the following procedure, remove the top cover, connector board and chassis unit. (1) Remove the screw D and pull out the pu. shaft holder from the pu.
  • Page 16 3.2.9 Removing the trigger arm Joint k (See Figs.19 and 20) • Prior to performing the following procedure, remove the top cover, connector board and clamper unit. (1) Turn the trigger arm in the direction of the arrow to release Trigger arm the joint k and pull out upward.
  • Page 17 3.2.11 Removing the mode sw. / select lock arm Link plate Joint t (See Figs.22 and 23) Mode sw. • Prior to performing the following procedure, remove the top plate assembly. Select lock arm (1) Bring up the mode sw. to release from the link plate (joint t) and turn in the direction of the arrow to release the joint u.
  • Page 18 3.2.12 Reassembling the mode sw. / select lock arm Select lock arm spring (See Figs.24 to 26) REFERENCE: Hook w Reverse the above removing procedure. Joint v (1) Reattach the select lock arm spring to the top plate and set Joint v the shorter end of the select lock arm spring to the hook w on the top plate.
  • Page 19 3.2.13 Removing the select arm R / link plate Link plate Joint r Joint c' (See Figs.27 and 28) Select arm R Joint b' • Prior to performing the following procedure, remove the top plate assembly. (1) Bring up the select arm R to release from the link plate (joint a') and turn as shown in the figure to release the two Joint b' joints b' and joint c'.
  • Page 20 3.2.15 Removing the loading roller assembly (See Figs.31 to 33) Loading roller assembly • Prior to performing the following procedure, remove the Roller guide clamper assembly and top plate assembly. spring (1) Push inward the loading roller assembly on the gear side and detach it upward from the slot of the joint g' of the lock arm rivet assembly.
  • Page 21 3.2.16 Removing the loading gear 5, 6 and 7 Loading gear bracket (See Figs.35 and 36) • Prior to performing the following procedure, remove the top Loading gear 6 cover, chassis unit, pickup unit and top plate assembly. (1) Remove the screw K attaching the loading gear bracket. The loading gear 6 and 7 come off the loading gear brack- (2) Pull out the loading gear 5.
  • Page 22 3.2.17 Removing the gears Joint p' (See Figs.37 to 40) • Prior to performing the following procedure, remove the top Change plate cover, chassis unit, top plate assembly and pickup unit. rivet assembly • Pull out the loading gear 3. (See Fig.35.) (1) Pull out the feed gear.
  • Page 23 3.2.18 Removing the turn table / spindle motor Turn table (See Figs.41 and 42) • Prior to performing the following procedure, remove the top cover, connector board, chassis unit and clamper assembly. (1) Remove the two screws L attaching the spindle motor as- sembly through the slot of the turn table on top of the body.

  • Page 24: Adjustment

    (3) Digital tester Output Level Line out 2.0V (Vol. MAX) (4) Tracking offset meter (5) Test Disc JVC :CTS-1000 Dummy load (6) Extension cable for check Exclusive dummy load should be used for AM,and FM. For FM EXTSH002-22P × 1...

  • Page 25: Troubleshooting

    SECTION 5 TROUBLESHOOTING Feed section Is 4V present at both Check the feed motor. sides of the feed motor? Check the connections Is the voltage output at between the feed motor pin 4 and pin 5 of IC541? and IC541. Is the power supply Is the voltage input at pin Check IC541.
  • Page 26 Spindle section Does the RF signal Is the RF waveform Is the disk rotated? appear at TP RF? at TP RF distorted? Is 4V present between Check the spindle motor Check the circuits in pin 6 and pin 7 of IC541? and its wiring.
  • Page 27 Signal processing section Is the sound output from Normal both channels (L, R)? Is the audio signal (including sampling Is the audio signal output No sound from either Is 9V present at pin 31 output components) at pin 3 and pin 30 of channel.
  • Page 28 Maintenance of laser pickup Replacement of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens Turn of the power switch and, disconnect the with a alcohol soaked cotton swab. power cord.
  • Page 29 16 PIN CORD DIAGRAM Black Green BL/WH Violet Blue Gray WH/BK White Yellow GN/BK VI/BK GY/BK MEMORY 16 YL 8 BK 7 RD 3 GN 11 GN/BK 2 VI 10 VI/BK 4 WH 12 WH/BK 1 GY 9 GY/BK REMOTE 5 BL/WH Rear Right REMOTE...
  • Page 30 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA216) Printed in Japan...
  • Page 31 SCHEMATIC DIAGRAMS CD RECEIVER KD-S12 CD-ROM No.SML200508 Area suffix J ------------- Northern America Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagram Standard schematic diagrams Printed circuit boards 2-9,10 No.MA216SCH COPYRIGHT 2005 Victor Company of Japan, Limited.

  • Page 32: Safety Precaution

    Safety precaution Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
  • Page 33 < M E M O >...

  • Page 34: Block Diagram

    Block diagram Main amplifier & CD servo control section LM,MSM VF1, VF2, VT1 VT2, LD, MD PICK UP TRV,TVD CD.RESET,STATUS TRD,FOD SUBQ,SQCK,TLOCK TRACKING+ ECM,ECS FLOCK,CD.SENSE TRACKING- IC541 IC561 KICK MLD,MDATA,MCLK FOCUS+ FOCUS & FOCUS- DSP&DAC TRACKING DRIVER COIL SPINDLE+ LDON CN001 SPINDLE- FEED+...
  • Page 35 TU.LCH TU701 TU.RCH FM/AM TUNER MICOM.MUTE Q861 MUTE Q332, Q432 MUTING LINE OUT LINE OUT LRO,RRO MUTE SD/ST MONO Q321 IC321 SSM,IFC MUTING FM/AM POWER AMP. FM.OSC OUTLF,OUTLR S.METER OUTRF,OUTRR SEEK/STOP IC301 E.VOLUME LF+,LF- IC801 RF+,RF- MICON LR+,LR- RR+,RR- CD.LCH CD.RCH REMOTE IC901...
  • Page 36 Standard schematic diagrams Main amplifier section TU701 QAU0394-002 CJ701 QNB0190-001 L701 4.7u R201 6.8k R703 R101 6.8k R701 Q791 2SB1197K/QR/-X R735 R702 R704 1.5k R791 Q792 2SA1530A/R/-X C731 R736 R733 2.2/50 C732 R892 0.001 D793 KDS4148U-X Q731 Q702 2SC3928A/R/-X RT1N141C-X Q793 Q732 RT1N141C-X...
  • Page 37 Q861 RT1P141C-X MUTE CJ321 R333 R334 QNN0519-001 D332 R336 2.2k Q332 KTD1304-X KDS4148U-X D333 R436 2.2k Q432 KTD1304-X KDS4148U-X R433 R434 IC321 LA47516 C317 1/50 R307 C334 0.47 C332 R301 IC301 TEA6320T-X C333 C304 C305 C427 R308 C335 22/16 0.22 0.033 0.47 C435...
  • Page 38 CD servo control section C543 0.033 R596 C545 8.2k 0.01 C541 R558 47/6.3 C540 Q541 2SA2093/QR/-T IC541 LA6242H-X R550 CN501 QGB2027M4-22S FEED- FEED+ FEED- FEED- FEED+ FEED+ SPINDLE- SPINDLE+ R557 SPINDLE+ SPINDLE+ SPINDLE- SPINDLE- FOCUS- FOCUS- VREF VREF TRACKING- FOCUS+ FOCUS+ TRACKING+ FOCUS+...
  • Page 39 D551 1A3G-T1 C552 C551 C546 0.01 220/10 47/10 IC561 MN6627482WA CD8V CD.RESET STATUS KICK SUBQ SQCK TLOCK FLOCK C574 CD.SENSE FBAL 0.01 TBAL MDATA R507 MCLK C573 CD.RCH RFENV 220/10 VDET C528 CD.LCH OFTR R518 R560 RFDET LDON C570 0.01 L562 C563 4.7U...
  • Page 40 LCD & Key control section LCD1 QLD0352-001 R604 R603 R602 R601 R671 KEY0 S605 S604 S603 S602 S601 Q671 R610 R609 R608 R607 R606 R605 2SA1365/F/-X KEY1 1.5k 1.2k S606 S612 S611 S610 S609 S608 S607 R615 R614 R613 R612 R611 KEY2 1.2k...
  • Page 41 IC602 RPM7338-V4 C611 0.012 C612 R662 4.7/6.3 D644 KDZ6.2V-X CJ601 QGZ1601K1-15S R661 ILL_10V REMOCON DIMMER TO CN801 LCD.SCK (SHEET 1) LCD.SO LCD.CE KEY0 KEY1 KEY2 R671 COM1 IC601 COM2 PT6523LQ-L COM3 R653 Q671 SA1365/F/-X D643 R654 LCD.CE LCD.SCK R655 KDS4148U-X R658 LCD.SO R656...
  • Page 42 Printed circuit boards Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) C731 R792 R704 D701 D702 C702 R705 Q793 R702 C713 B759 R735 C823 C719 TU701 R334 B752 R701 R733 R333 B757 B758 B751...
  • Page 43 Switch board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Reverse side Forward side R653 C601 R657 C602 R656 2-10...
  • Page 44 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MA216SCH)

  • Page 45: Parts List

    PARTS LIST [KD-S12] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J -------------- Northern America - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 6 CD mechanism assembly and parts list (Block No.MB)
  • Page 46 Exploded view of general assembly and parts list Block No. Switch board...
  • Page 47 Main board...
  • Page 48 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  GE10104-001A TOP CHASSIS GE40135-001A EARTH PLATE GE30938-003A SIDE PANEL QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-001A SCREW (x2) QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-004A SCREW (x2) QYSDST2610ZA TAP SCREW...
  • Page 49 <MEMO>...
  • Page 50 CD mechanism assembly and parts list Grease Block No. TN-2001-1011 TNG-87 GP-501MK CFD-005Z GP-305T The parts without symbol number are not service.
  • Page 51 CD mechanism Block No. [M][B][M][M] Symbol No. Part No. Part Name Description Local  30320101T FRAME 30320102T TOP COVER 30320115T DANPER F 30320116T DANPER R 303205505T CHASSIS RIVET 303205503T CHANGE P. RVT A 303205301T CLAMPER ASS'Y 303205302T SPINDLE MOTOR A 30320502T CLAMPER ARM 30320503T...

  • Page 52: Electrical Parts List

    Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] C309 QEKJ1AM-107Z E CAPACITOR 100uF 10V M  Symbol No. Part No. Part Name Description Local C310 NCB31HK-103X C CAPACITOR 0.01uF 50V K C311 QEKJ1AM-107Z E CAPACITOR...
  • Page 53  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C571 NCB31EK-104X C CAPACITOR 0.1uF 25V K R403 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J C572 QEKJ1AM-107Z E CAPACITOR 100uF 10V M R404 NRSA63J-473X MG RESISTOR 47kΩ...
  • Page 54  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R804 NRS181J-332X MG RESISTOR 3.3kΩ 1/8W J D607 SML-310VT/JK/-X R805 NRS181J-332X MG RESISTOR 3.3kΩ 1/8W J D608 SML-310VT/JK/-X R807 NRS181J-473X MG RESISTOR 47kΩ...
  • Page 55 <MEMO> 3-11...
  • Page 56 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A3 A4 A5 A6 A7 A8 A9 KIT : A10 A11 A12 A13 3-12...
  • Page 57 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  GE20137-003A MOUNTING SLEEVE GE20135-011A TRIM PLATE GET0317-001A INSTR BOOK ENG SPA GET0317-002A INSTALL MANUAL GET0222-001A TAG CAUTION SH LVT0717-001B TROUBLE SHEET(C ------------ WARRANTY CARD BT-52006-2 ------------ WARRANTY CARD BT-51018-4...

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