JVC KD-G400 Service Manual
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JVC KD-G400 Service Manual

JVC KD-G400 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
1
2004
MA074
TE
L 13942296513
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
www
.
CD RECEIVER
KD-G400, KD-AR400

TABLE OF CONTENTS

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i
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
http://www.xiaoyu163.com
8
KD-AR400
S
KD-G400
S
Q Q
3
6 7
1 3
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
Area Suffix
J --------- Northern America
m
co
9 9
2 8
9 9
No.MA074
2004/1

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA074 2004 KD-G400, KD-AR400 KD-AR400 KD-G400 L 13942296513 Area Suffix J --------- Northern America TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 http://www.xiaoyu163.com 3 7 63 1515 0 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)

  • Page 3: Precaution

    http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. L 13942296513 u163 (No.MA074)1-5 http://www.xiaoyu163.com...

  • Page 6: Disassembly

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 3 DISASSEMBLY Main body 3.1.1 Removing the front panel assembly (See Fig.1) (1) Press the detach button and remove the front panel as- Front panel assembly sembly. Detach button Fig.1 3.1.2 Removing the bottom cover (See Fig.2) (1) From the bottom side of the main body, release the two Bottom cover...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 3.1.4 Removing the side panel (See Fig.5) • Prior to performing the following procedure, remove the front panel assembly as required. (1) From the left side of the main body, remove the two screws C and screw D attaching the side panel.

  • Page 8: No.ma074)1

    http://www.xiaoyu163.com 3 7 63 1515 0 3.1.7 Removing the CD mechanism assembly (See Fig.8) • Prior to performing the following procedure, remove the front panel assembly, bottom cover, front chassis assembly, side panel, rear bracket, main board and CD mechanism board. (1) Remove the three screws J attaching the CD mechanism.
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 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.

  • Page 10: No.ma074)1

    http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 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: Http://Www.xiaoyu163.Com

    http://www.xiaoyu163.com 3 7 63 1515 0 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: No.ma074)1

    http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 3.2.13 Removing the select arm R / link plate Joint c' Link plate Joint r (See Figs.27 and 28) Joint b' Select arm R • Prior to performing the following procedure, remove the top plate assembly.
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 22 http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 5 TROUBLE SHOOTING Feed section Is the voltage output at Is the wiring for IC541 Is 5V present at IC501 Check CD 8V. IC541 pin 40 5v or 0V pin 40 correct? pins 3,12 and 21? Check the vicinity of IC541.
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 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 IC161 pin Check the viciniyt of the IC901 audio power supply.
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 28 http://www.xiaoyu163.com 3 7 63 1515 0 16 pin cord diagram OR/WH Green Black BL/WH Violet Gray Blue WH/BK White Yellow GN/BK Orange VI/BK GY/BK OR/WH MEMORY L 13942296513 GY/BK BL/WH REMOTE VI/BK WH/BK GN/BK Rear Right Auto Antenna Front Right ACC Line Illuminations Control Front Left...
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA074) Printed in Japan http://www.xiaoyu163.com...

  • Page 30: Schematic Diagrams

    3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-AR400,KD-G400 CD-ROM No.SML200401 Area suffix J -------------- Northern America KD-AR400 L 13942296513 KD-G400 KD-AR400J KD-G400J LINE OUT FRONT ARSENAL rogo Contents Block diagram Standard schematic diagrams 2-9 to 11 Printed circuit boards u163 No.MA074SCH...

  • Page 31: Safety Precaution

    http://www.xiaoyu163.com 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 33: Block Diagram

    http://www.xiaoyu163.com 3 7 63 1515 0 Block diagram SW1,SW2,PSW SPINDLE+ SPINDLE- BUS0 to BUS3 DMO,FMO POSITION SET IC501 FEED+ BUCK,CCE TRO,FOO SWITCH FEED- IC541 TRACKING+ DRIVER FEED+ TRACKING- LOAD&FEED FEED- FOCUS+ MOTOR FOCUS- RFGC,RF RFRP,RFDC SPINDLE+ BUCK TEB,SEL SPINDLE SPINDLE- LRCK TE,FE AOUT...
  • Page 34 EPROM EACH BLOCK RESET IC702 CN901 RESET BATTERY L 13942296513 AOUTL + AOUTL - AOUTR + CH.L AOUTR - IC581 CH.R CD L.P.F. CD CHANGER MP3STBY CONTROL MP3CLK MP3DOUT SI,SO,I/O MP3RESET INT,SCK IC801 MP3REQ JVC BUS MP3DIN CH.SCK u163 http://www.xiaoyu163.com...
  • Page 35 http://www.xiaoyu163.com 3 7 63 1515 0 Standard schematic diagrams Main amplifier section QAU0311-001 MUTE.DR R793 AM.ANT 4.7u TUN.R 1/50 FM.ANT TUN.L 1/50 TU.L C173 1/50 2SD601A/R/-X CH.L C172 1/50 AM.VCC 1000P C171 1/50 FM/AM.VT CD.L FM.VCC 0.001 IC31 2SB624/4/-X TB2118F-X 4.7k RA30 2.2K...
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 RB160M-30-X D243 R248 R244 C243 R243 0.047 180k R245 C241 1/50 R242 R241 IC301 C242 22/16 LA47515 Q241 2SD601A/R/-X LEVEL R161 D240 C312 220k MA111-X 0.47 R312 R311 C311 R171 MA111-X C181 0.47 220k D241 2.2k R173...
  • Page 37 http://www.xiaoyu163.com CD servo section 3 7 63 1515 0 5.1K R519 C515 R506 C513 8.2K R518 0.01 0.01 8.2K 47/10 FEED- FEED- C501 C508 FEED+ FEED+ Q501 2SB1322/RS/-T AOUTR- AOUTR+ R539 SPINDLE- AOUTL+ SPINDLE- SPINDLE+ SPINDLE+ AOUTL- FOCUS- R504 FOCUS- 2SB1132/Q VREF VREF...
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 R586 6.8k R581 8.2k R585 CD.R C582 R584 270P C581 3300P C580 4.7/25 OUTR- R582 8.2k C589 4.7/25 OUTR+ R583 8.2k IC581 NJM4565M-WE 8.2k R593 R592 8.2k C599 4.7/25 R594 OUTL+ C590 4.7/25 C583 C593 C591 OUTL-...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 LCD & Key control section LCD1 L 13942296513 R606 R605 R604 R603 R602 R601 KEY2 3.9K 2.7K 1.8K 1.2K S607 S606 S605 S604 S603 S602 S601 R612 R611 R610 R609 R608 R607 KEY1 3.9K 2.7K 1.8K 1.2K...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 EN601 IC602 QSW0793-001 RPM7338-V4 R682 R683 CN601 NNZ0087-001 REMOCON ACC5V ENC1 ENC2 LCDCE To CN701 LCDDA LCDCL (SHEET 1) KEY2 KEY1 L 13942296513 KEY0 R670 DIMOUT DIM_CON R672 COM1 R671 COM2 COM3 R653 IC601 LC75823W R654 LCDCE...
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 Printed circuit boards Main board Forward side C910 IC901 J321 R905 C901 Q901 L901 C891 J801 CN901 D996 C966 C908 D995 C965 C163 C318 D901 Q891 Q331 R901 Q321 Q351 C905 Q341 C308 C735 C187 C902 D781...
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 Main board Reverse side C901 CN901 J321 C910 C341 IC901 C911 Q902 J801 C905 C327 D361 C802 D901 D971 C902 C908 C318 R901 R343 R353 C906 R342 C308 C319 R352 C163 R977 R323 R333 C781 R322 R332...
  • Page 43 http://www.xiaoyu163.com 3 7 63 1515 0 Front board Reverse side Forward side D607 R635 R634 D603 R661 D604 R660 D605 R611 R601 R602 R610 S616 D606 R636 R637 S617 R632 R648 R633 S608 R649 R643 R645 R642 R644 R671 R672 Q640 R673 R674...
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 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.MA074SCH) http://www.xiaoyu163.com...

  • Page 46: Parts List

    3 7 63 1515 0 PARTS LIST [ KD-G400 ] [ KD-AR400 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J -------------- Northern America L 13942296513 - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1)
  • Page 47 http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 48 EJECT BUTTON G400J GE31250-001A EJECT COVER GE40220-001A LIGHT SHIELD AR40 GE31042-003A DETACH BUTTON GE31042-002A DETACH BUTTON G400J GE31045-001A RIM COVER GE40204-001A JVC BADGE VKW3001-330 COMP.SPRING u163 GE40202-004A COMP.SPRING GE10081-001A REAR COVER VKZ4777-001 MINI SCREW (x4) GE31035-001A LCD CASE GE31036-001A LCD LENS...
  • Page 49 http://www.xiaoyu163.com 3 7 63 1515 0 CD mechanism assembly and parts list Block No. Grease TN-2001-1011 TNG-87 GP-501MK CFD-005Z GP-501A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 50 http://www.xiaoyu163.com 3 7 63 1515 0 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...

  • Page 51: Electrical Parts List

    http://www.xiaoyu163.com 3 7 63 1515 0 Electrical parts list Main board Block No. [0][1][0][0] Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local D714 UDZS5.6B-X Z DIODE 1.5kΩ 1/10W J D715 SML-310VT/JK/-X IC31 TB2118F-X PLL IC D716...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C242 QEKJ1CM-226Z E CAPACITOR 22uF 16V M C543 QEKJ1HM-105Z E CAPACITOR 1uF 50V M C243 NCB31EK-473X C CAPACITOR 0.047uF 25V K C544 QEKJ1AM-107Z...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local C908 QEKJ1AM-227Z E CAPACITOR 220uF 10V M AR40 R333 NRSA02J-101X MG RESISTOR 100Ω 1/10W J C909 QEKJ1AM-227Z E CAPACITOR 220uF 10V M R341 NRSA63J-222X...
  • Page 54 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local R549 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R763 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R550 NRSA63J-101X MG RESISTOR 100Ω...
  • Page 55 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local D604 SML-310VT/JK/-X EN601 QSW0793-001 ROTARY ENCODER D605 SML-310VT/JK/-X S601 NSW0206-001X TACT SWITCH D606 SML-310VT/JK/-X S602 NSW0206-001X TACT SWITCH D607 SML-310VT/JK/-X S603...
  • Page 56 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. L 13942296513 Packing and accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local Symbol No. Part No. Part Name Description Local A 15 GE40130-002A HOOK (x2)

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Kd-ar400

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