JVC KD-G501 Service Manual
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JVC KD-G501 Service Manual

JVC KD-G501 Service Manual

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SERVICE MANUAL
1
2004
MA038
KD-G501, KD-G507
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
CD RECEIVER
KD-G501
KD-G507

TABLE OF CONTENTS

Area Suffix
KD-G501
E ------- Continental Europe
EX ----------- Central Europe
KD-G507
EE ----- Russian Federation
No.MA038
2004/1

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  • Page 1: Table Of Contents

    SERVICE MANUAL CD RECEIVER MA038 2004 KD-G501, KD-G507 KD-G501 Area Suffix KD-G501 E ------- Continental Europe EX ----------- Central Europe KD-G507 EE ----- Russian Federation KD-G507 TABLE OF CONTENTS PRECAUTION............... . . 1-4 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION AUDIO AMPLIFIER SECTION (KD-G501) 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 Continuous Power Output (RMS) Front than 0.8% total harmonic distortion.
  • Page 3 AUDIO AMPLIFIER SECTION (KD-G507) 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 Continuous Power Output (RMS) Front than 0.8% total harmonic distortion. 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more Rear than 0.8% total harmonic distortion.

  • Page 4: 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 5 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 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-6 (No.MA038)

  • Page 7: 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 Front panel assembly panel assembly and remove the 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 8 (2) Remove the rear bracket. Reference: During reassembly, before fixing the rear bracket onto the main body, inserts the steering cable.(KD-G501 E) Rear bracket 3.1.6 Removing the main board (See Figs.6 and 7) • Prior to performing the following procedure, remove the front...
  • Page 9 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 and main board . (1) Remove the three screws J attaching the CD mechanism assembly.
  • Page 10 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 11 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 12 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 13 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 14 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 15 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 16 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 17 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 18 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 19 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 20 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 21 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 22 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 23 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 24 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 25: 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 26: Trouble Shooting

    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 27 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 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 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 29 16 pin cord diagram Black Green VI/BK Violet GY/BK Blue Gray WH/BK BL/WH OR/WH White Yellow GN/BK Brown Orange VI/BK GY/BK WH/BK GN/BK MEMORY MEMORY BACKUP DIRECT TO BATTERY +12Volt REMOTE BL/WH OR/WH ACC + 12Volt GROUND Rear Right Auto Antenna Front Right...
  • Page 30 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA038) Printed in Japan...

  • Page 31: Schematic Diagrams

    SCHEMATIC DIAGRAMS CD RECEIVER KD-G501, KD-G507 CD-ROM No.SML200401 KD-G501 Area suffix E ----------- Continental Europe KD-G507 Area suffix EE --------- Russian Federation EX --------------- Central Europe KD-G501E KD-G507EX/EE STEERING CABLE Contents Block diagram Standard schematic diagrams 2-2 to 7 Printed circuit boards 2-8, 9 No.MA038SCH...

  • 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: Steering Cable

    DAC-PDN AOUTR - IC581 CH.R FOCUS+ CD CHANGER CD L.P.F. FOCUS- CONTROL PICK UP LRCK IC481 SO,I/O INT,SCK CH.SCK IC801 JVC BUS MP3STBY S601 to S617 KEY0 MP3CLK KEY MATRIX KEY1 MP3DOUT IC602 KEY2 MP3RESET REMOCON LCDCL KEY0 MP3REQ LRCK...

  • Page 34: Standard Schematic Diagrams

    Standard schematic diagrams Main amplifier section (KD-G501) RB160M-30-X D243 R248 R244 C243 R243 0.047 180k R245 C241 1/50 R242 R241 IC301 C242 22/16 LA47515 Q241 QAU0313-001 2SD601A/QR/-X LEVEL R793 R161 D240 MA111-X C312 220k 4.7u 0.47 R312 1/50 8.2K R311...
  • Page 35 CD servo section (KD-G501) R504 R502 8.2k R586 6.8k FEED- FEED- R503 4.7k R581 8.2k R585 CD.R C582 47/10 R584 270P FEED+ 0.01 FEED+ C513 R518 C501 C581 Q501 C508 3300P 0.01 C580 4.7/25 AOUTR- R582 8.2k C589 4.7/25 AOUTR+ R583 8.2k...
  • Page 36 LCD & Key control section (KD-G501) IC602 EN601 QSW0863-003 RPM7338-V4 R682 R683 CN601 NNZ0087-001 REMOCON ACC5V LCD1 QLD0298-001 ENC1 ENC2 LCDCE LCDDA To CN701 LCDCL (SHEET 1) KEY2 KEY1 KEY0 R670 DIM_CON DIMOUT R672 R606 R605 R604 R603 R602 R601 KEY2 3.9K...
  • Page 37 Main amplifier section (KD-G507) RB160M-30-X D243 R248 R244 C243 R243 0.047 180k R245 C241 1/50 R242 R241 IC301 C242 22/16 LA47515 Q241 QAU0314-001 2SD601A/QR/-X QNB0100-002 LEVEL R793 R161 D240 MA111-X C312 220k 4.7u 0.47 R312 1/50 8.2K R311 C311 R171 MA111-X 0.47 1/50...
  • Page 38 CD servo section (KD-G507) R504 R502 8.2k R586 6.8k FEED- FEED- R503 4.7k R581 8.2k R585 CD.R C582 47/10 8.2k R584 270P FEED+ FEED+ C513 R518 C501 C581 Q501 C508 3300P 0.01 C580 4.7/25 AOUTR- R582 8.2k C589 4.7/25 AOUTR+ R583 8.2k IC581...
  • Page 39 LCD & Key control section (KD-G507) EN601 IC602 QSW0863-003 RPM7338-V4 R682 R683 CN601 NNZ0087-001 REMOCON ACC5V LCD1 QLD0298-001 ENC1 ENC2 LCDCE LCDDA To CN701 LCDCL (SHEET 4) KEY2 KEY1 KEY0 R670 DIM_CON DIMOUT R672 R606 R605 R604 R603 R602 R601 KEY2 3.9K 2.7K...

  • Page 40: Printed Circuit Boards

    Printed circuit boards Main board Main board Forward side Reverse side C331 C971 C910 C910 D971 J801 C361 D972 J321 C371 IC901 IC901 R971 J321 C321 Q341 Q331 C914 C712 C911 R331 L901 CN901 C914 D901 L901 C913 J801 C904 R903 R972 R892...
  • Page 41 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 Q641 D642 R658 R638 R639 C602...
  • Page 42 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.MA038SCH)

  • Page 43: Kd-G501

    PARTS LIST [ KD-G501 ] [ KD-G507 ] * All printed circuit boards and its assemblies are not available as service parts. KD-G501 Area suffix E ----------- Continental Europe EX --------------- Central Europe KD-G507 Area suffix EE --------- Russian Federation...
  • Page 44 Exploded view of general assembly and parts list Block No.
  • Page 45 SSM BTN GE31025-001A SEARCH BTN GE31041-004A EJECT BUTTON GE31250-001A EJECT COVER GE40220-001A LIGHT SHIELD GE31042-004A DETACH BTN GE31045-001A RIM COVER GE40204-001A JVC BADGE VKW3001-330 COMP.SPRING GE40202-004A COMP.SPRING GE10081-001A REAR COVER VKZ4777-001 MINI SCREW (x4) GE31035-001A LCD CASE GE31036-001A LCD LENS...
  • Page 46 CD mechanism assembly and parts list Block No. Grease TN-2001-1011 TNG-87 GP-501MK CFD-005Z GP-501A...
  • Page 47 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 48: Electrical Parts List

    Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1][0][0] Q782 UN2211-X TRANSISTOR  Symbol No. Part No. Part Name Description Local Q784 UN2111-X TRANSISTOR Q881 UN2211-X TRANSISTOR Q891 UN2211-X TRANSISTOR IC31 TB2118F-X PLL IC Q976 UN2211-X...
  • Page 49  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local NDC31HJ-100X C CAPACITOR 10pF 50V J C167 NCB31EK-333X C CAPACITOR 0.033uF 25V K NDC31HJ-7R0X C CAPACITOR 7pF 50V J C168 NCB31HK-562X C CAPACITOR 5600pF 50V K NDC31HJ-100X C CAPACITOR...
  • Page 50  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C506 NCB31EK-473X C CAPACITOR 0.047uF 25V K C717 NCB31EK-104X C CAPACITOR 0.1uF 25V K C507 NCB31EK-473X C CAPACITOR 0.047uF 25V K G501 C718 NDC31HJ-101X C CAPACITOR...
  • Page 51  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local G501 R402 NRSA63J-470X MG RESISTOR 47Ω 1/16W J NRSA63J-473X MG RESISTOR 47kΩ 1/16W J E,G50 R403 NRSA63J-105X MG RESISTOR 1MΩ 1/16W J R404 NRSA63J-103X MG RESISTOR...
  • Page 52  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R552 NRSA63J-101X MG RESISTOR 100Ω 1/16W J G501 R767 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J E,G50 R553 NRSA63J-105X MG RESISTOR 1MΩ 1/16W J R558 NRSA63J-103X MG RESISTOR...

  • Page 53: Front Board

    Front board  Symbol No. Part No. Part Name Description Local Block No. [0][2][0][0] G507 D615 LNJ308G81/1-3/X  Symbol No. Part No. Part Name Description Local G501 D616 SML-310VT/JK/-X E,G50 IC601 LC75823W G507 IC602 RPM7338-V4 RM.RECEIVER D616 LNJ308G81/1-3/X G501 Q640 2SB624/4/-X TRANSISTOR D617...
  • Page 54  Symbol No. Part No. Part Name Description Local R661 NRS181J-391X MG RESISTOR 390Ω 1/8W J R670 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R672 NRS181J-471X MG RESISTOR 470Ω 1/8W J R673 NRS181J-473X MG RESISTOR 47kΩ 1/8W J R674 NRS181J-102X MG RESISTOR 1kΩ...
  • Page 55 <MEMO> 3-13...
  • Page 56 Packing materials and accessories parts list Block No. A2, A3, A4, A5, A7, A8, A9 KIT: A10, A11,A12, A13, A14 3-14...
  • Page 57 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local G501 ENG GER FRE GET0193-001A INST BOOK E,G50 G507 GET0194-001A INST BOOK ENG RUS SPA ITA POL RUS G501 GET0193-002A INST BOOK SWE DAN FIN G501 GET0193-003A INST BOOK...

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