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JVC KD-G200 Service Manual

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SERVICE MANUAL
12
2003
MA030
KD-G200, KD-AR200
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
CD RECEIVER
S

TABLE OF CONTENTS

Area suffix
J -------------- Northern America
No.MA030
2003/12

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Summary of Contents for JVC KD-G200

  • Page 1: Table Of Contents

    SERVICE MANUAL CD RECEIVER MA030 2003 KD-G200, KD-AR200 Area suffix J -------------- Northern America TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION AUDIO AMPLIFIER SECTION Maximum Power Output Front 50 W per channel Rear 50 W per channel 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than Continuous Power Output Front (RMS) 0.8% total harmonic distortion. 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than Rear 0.8% total harmonic distortion.

  • Page 3: Precaution

    SECTION 1 PRECAUTION 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.MA030)1-5...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the front panel assembly (See Fig.1) (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) (1) Turn the main body up side down.
  • Page 7 3.1.4 Removing the side panel (See Fig.4) • Prior to performing the following procedure, remove the front panel assembly as required. (1) Remove the screw B and two screws C attaching the heat sink on the left side of the main body, and remove the side panel.
  • Page 8 3.1.7 Removing the CD mechanism assembly (See Fig. 7) • Prior to performing the following procedure, remove the front panel assembly, front chassis assembly, side panel, bottom cover, rear bracket, main board and CD mechanism board. (1) Remove the three screws H attaching the top chassis. (2) Take out the CD mechanism assembly.
  • 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 spring (2) Move the clamper assembly in the direction of the arrow to 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 Part e 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) Hook w REFERENCE: 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 Loading roller assembly (See Figs.31 to 33) • 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

    Exclusive dummy load should be used for AM,and FM. For FM (7) Tracking offset meter dummy load,there is a loss of 6dB between SSG output and (8) Test Disc JVC :CTS-1000 antenna input.The loss of 6dB need not be considered since (9) Extension cable for check direct reading of figures are applied in this working standard.

  • Page 25: Trouble Shooting

    SECTION 5 TROUBLE SHOOTING Feed section Is the voltage output at Is the wiring for IC561 Is 5V present at IC541 Check CD 8V. IC561 pin 22 5v or 0V pin 22 correct? pin 27? Check the vicinity of IC561. Is 4V present at both Is 6V or 2V present at Check the feed motor...
  • Page 26 Signal processing section Is the sound output from No sound from either Compare the L-ch and both channels (L, R)? channel. R-ch to locate the defctive point. Normal Is 9V present at IC301 pin Check the viciniyt of the Q321 audio power supply.
  • Page 27 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 off the power switch and,disconnect the with a alcohol soaked cotton swab. power cord from the ac outlet. (2) Life of the laser diode When the life of the laser diode has expired, the following symptoms will appear.
  • Page 28 16 pin cord diagram Black Green BL/WH Violet Blue Gray WH/BK White Yellow GN/BK VI/BK GY/BK 16 YL MEMORY 8 BK 7 RD 5 BL/WH REMOTE 4 WH 12 WH/BK 3 GN 11 GN/BK 2 VI 10 VI/BK 1 GY 9 GY/BK REMOTE Rear Right...
  • Page 29 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA030) Printed in Japan...
  • Page 30 SCHEMATIC DIAGRAMS CD RECEIVER KD-AR200, KD-G200 CD-ROM No.SML200312 Area suffix J -------------- Northern America Contents Block diagram Standard schematic diagrams Printed circuit boards 2-5, 6 No.MA030SCH COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. 2003/12...
  • Page 31 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 32 Block diagram CJ701 L-CH TU701 R-CH FM/AM CJ321 TUNER LINE OUT REAR L SW1,SW2,PSW REAR R SD/ST MONO CD.RESET,STATUS TRD,FOD SM,IFC SPINDLE+ SUBQ,SQCK,TLOCK IC321 TRV,TVD FM/AM IC301 SPINDLE- FLOCK,CD.SENSE ECM,ECS POWER POSITION SET IC541 E.VOLUME FEED+ MLD,MDATA,MCLK OUTLF KICK AMP. FMOSC SWITCH FEED-...
  • Page 33 Standard schematic diagrams Main amplifier section TU701 QAU0311-001 CJ701 QNB0100-002 L701 4.7u R201 R703 R101 R701 Q791 2SB624/4/-X R735 Q861 1.5k R791 Q792 2SB709A/QR/-x UN2111-X C731 R736 R733 R333 R334 MUTE CJ321 2.2/50 D332 Q701 C732 R336 2.2k Q332 0.001 2SD1781K/QR/-X MA111-X D333...
  • Page 34 CD servo section C541 C545 47/6.3 0.01 C543 0.012 C540 R558 Q541 2SA2093/QR/-T D551 1A3G-T1 IC561 MN6627482WA CD8V CD.RESET STATUS SUBQ SQCK TLOCK SHEET1 FLOCK CD.SENSE R151 C152 KICK MDATA 4.7/25 MCLK R560 BLKCK C570 R547 270k C153 FBAL R155 C574 R550 2.7k...
  • Page 35 LCD & Key control section JS686 IC681 QSW0793-001 RPM7338-V4 C682 0.012 R687 C681 4.7/6.3 R688 C687 0.022 R681 CJ601 VMC0335-001 LCD1 ILL_10V REMOCON ENC1 ENC2 DIMOUT SHEET1 LCD.SCK LCD.SO LCD.CE KEY0 KEY1 KEY2 R604 R603 R602 R601 R605 R661 KEY2 2.2K 1.2K R662...
  • Page 36 Printed circuit boards Main board D904 C915 C901 R911 R903 R434 C914 IC901 D869 C906 C861 D867 R862 R861 C996 B366 R904 B851 C905 C902 Q332 Q903 D901 B902 C910 R902 Q432 CJ701 C331 R336 B898 D332 B354 C904 C916 C909 R909 C334...
  • Page 37 Front board Forward side R626 D651 JS686 D636 S611 D649 R608 R607 R612 D637 R611 D648 R651 R652 S614 LCD1 D647 R603 R605 D644 D645 D638 D639 D646 D640 D641 D642 S608 D643 S605 S604 S603 S602 S601 R610 S607 S613 R601 S612...
  • Page 38 < M E M O >...
  • Page 39 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MA030SCH)
  • Page 40 PARTS LIST [ KD-G200/ KD-AR200] * 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- 4 CD mechanism assembly and parts list (Block No.MB)
  • Page 41 Exploded view of general assmbly and parts list Block No.
  • Page 42 General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local GE10043-210A TOP CHASSIS GE40135-001A EARTH PLATE GE30938-003A SIDE PANEL GE30393-002A BOTTOM COVER FSMA3004-203 INSULATOR QYSDST2604Z SCREW 2.6mm x 4mm(x3) FSKZ4005-001 SCREW (x2) QYSDST2606Z SCREW 2.6mm x 6mm(x2) QYSDST2604Z SCREW 2.6mm x 4mm(x3)
  • Page 43 CD mechanism assembly and parts list Block No. Grease TN-2001-1011 TNG-87 GP-501MK CFD-005Z GP-501A...
  • Page 44 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 45 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1][0][0] C310 NCB31HK-103X C CAPACITOR 0.01uF 50V K  Symbol No. Part No. Part Name Description Local C311 QEKJ1AM-107Z E CAPACITOR 100uF 10V M C312 QEKJ1CM-476Z E CAPACITOR...
  • Page 46  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C572 QEKJ1AM-107Z E CAPACITOR 100uF 10V M R336 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J C573 QERF1AM-227Z E CAPACITOR 220uF 10V M R401 NRSA63J-223X MG RESISTOR 22kΩ...
  • Page 47  Symbol No. Switch board Part No. Part Name Description Local Block No. [0][2][0][0] R797 NRS181J-100X MG RESISTOR 10Ω 1/8W J  Symbol No. R798 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J Part No. Part Name Description Local R801 NRS181J-103X MG RESISTOR 10kΩ...
  • Page 48  Symbol No. Part No. Part Name Description Local R650 NRS181J-391X MG RESISTOR 390Ω 1/8W J R651 NRSA02J-471X MG RESISTOR 470Ω 1/10W J R661 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J R662 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J R663 NRSA63J-184X MG RESISTOR 180kΩ...
  • Page 49 Packing materials and accessories parts list Block No. A2 A3 A4 A6 A7 A8 KIT: A12 A13 3-10...
  • Page 50 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local GET0182-001A INST BOOK ENG SPA FRE GET0182-002A INSTALL MANUAL BT-51034-1 J=REGIST CARD AR20 BT-51029-1 WARRANTY CARD BT-51018-3 WARRANTY CARD G200 BT-52006-2 WARRANTY CARD LVT0717-001B TROUBLE SHEET(C GET0204-001A IMPORTANT SHT GET0208-001A...

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Kd-ar200