JVC KD-G411 Service Manual
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JVC KD-G411 Service Manual

JVC KD-G411 Service Manual

Cd receiver
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3 7 63 1515 0
SERVICE MANUAL
12
2004
MA135
TE
L 13942296513
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
www
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http://www.xiaoyu163.com
CD RECEIVER
KD-G411

TABLE OF CONTENTS

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COPYRIGHT © 2004 Victor Company of Japan, Limited
http://www.xiaoyu163.com
2 9
8
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3
6 7
1 3
1 5
co
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9 4
2 8
Area suffix
E ------------- Southern Europe
EX ------------ Northern Europe
EY ------------- Eastern Europe
EU ------------------------ Turkey
0 5
8
2 9
9 4
2 8
m
No.MA135
9 9
9 9
2004/12

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA135 2004 KD-G411 Area suffix E ------------- Southern Europe EX ------------ Northern Europe EY ------------- Eastern Europe EU ------------------------ Turkey L 13942296513 TABLE OF CONTENTS PRECAUTIONS ............... 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 Continuous Power Output (RMS) Front than 0.8% total harmonic distortion.

  • Page 3: Precautions

    http://www.xiaoyu163.com SECTION 1 3 7 63 1515 0 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 http://www.xiaoyu163.com Preventing static electricity 3 7 63 1515 0 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 http://www.xiaoyu163.com Important for laser products 3 7 63 1515 0 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated.

  • Page 6: Specific Service Instructions

    http://www.xiaoyu163.com SECTION 2 3 7 63 1515 0 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. L 13942296513 u163 1-6 (No.MA135) http://www.xiaoyu163.com...

  • Page 7: Disassembly

    http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 DISASSEMBLY Main body section 3.1.1 Removing the front panel assembly (See Fig.1) Front panel assembly (1) Push the detach button in the lower right part of the front panel assembly and remove the front panel assembly. Detach button Fig.1 3.1.2 Removing the bottom cover...
  • Page 8 http://www.xiaoyu163.com 3.1.4 Removing the side panel 3 7 63 1515 0 (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 side panel on the left side of the main body, and take out the side panel.
  • Page 9 http://www.xiaoyu163.com 3.1.7 Removing the CD mechanism assembly 3 7 63 1515 0 (See Fig.7) • Prior to performing the following procedure, remove the front panel assembly, bottom cover, side panel, rear bracket and main board. • Remove the front chassis assembly as required. (1) Remove the three screws H attaching the CD mechanism assembly on the top chassis.
  • Page 10 http://www.xiaoyu163.com CD Mechanism Assembly 3 7 63 1515 0 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 11 http://www.xiaoyu163.com 3.2.2 Removing the connector board 3 7 63 1515 0 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 12 http://www.xiaoyu163.com 3.2.3 Removing the DET switch 3 7 63 1515 0 (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 13 http://www.xiaoyu163.com 3.2.4 Removing the chassis unit 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.2.5 Removing the clamper assembly 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.2.6 Removing the loading / feed motor assembly 3 7 63 1515 0 (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 http://www.xiaoyu163.com 3.2.7 Removing the pickup unit 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.9 Removing the trigger arm 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.11 Removing the mode sw. / select lock arm 3 7 63 1515 0 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 19 http://www.xiaoyu163.com 3.2.12 Reassembling the mode sw. / select lock arm 3 7 63 1515 0 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 http://www.xiaoyu163.com 3.2.13 Removing the select arm R / link plate 3 7 63 1515 0 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.
  • Page 21 http://www.xiaoyu163.com 3.2.15 Removing the loading roller assembly 3 7 63 1515 0 Loading roller assembly (See Figs.31 to 33) • Prior to performing the following procedure, remove the Roller guide spring clamper assembly and top plate assembly. (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 http://www.xiaoyu163.com 3.2.16 Removing the loading gear 5, 6 and 7 3 7 63 1515 0 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 23 http://www.xiaoyu163.com 3.2.17 Removing the gears 3 7 63 1515 0 Joint p' (See Figs.37 to 40) • Prior to performing the following procedure, remove the top Change plate rivet assembly cover, chassis unit, top plate assembly and pickup unit. • Pull out the loading gear 3. (See Fig.35.) (1) Pull out the feed gear.
  • Page 24 http://www.xiaoyu163.com 3.2.18 Removing the turn table / spindle motor 3 7 63 1515 0 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

    (3) Digital tester Output Level Line out 2.5V (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 dummy load,there is a loss of 6dB between SSG output and antenna input.The loss of 6dB need not be considered since...

  • Page 26: Troubleshooting

    http://www.xiaoyu163.com SECTION 5 3 7 63 1515 0 TROUBLESHOOTING Feed section Is 5v or 0V at IC541 Is the wiring for IC541 Is 5V present at IC501 Check CD8V. pin 40? pin 40 correct? pin 20? Check the vicinity of IC541.
  • Page 27 http://www.xiaoyu163.com Signal processing section 3 7 63 1515 0 Compare the L-ch and Is the sound output from No sound from either R-ch to locate the both channels (L, R)? channel. defective point. Normal Is 9V present at IC161 Is 9V present at IC901 Check IC901 and its pin 31? pin 13?
  • Page 28 http://www.xiaoyu163.com Maintenance of laser pickup 3 7 63 1515 0 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.
  • Page 29 http://www.xiaoyu163.com 16 PIN CORD DIAGRAM 3 7 63 1515 0 Black Green VI/BK Violet GY/BK Blue Gray WH/BK BL/WH White Yellow GN/BK Brown VI/BK GY/BK WH/BK L 13942296513 GN/BK MEMORY MEMORY BACKUP DIRECT TO BATTERY +12Volt REMOTE BL/WH ACC + 12Volt GROUND Rear Right...
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA135) Printed in Japan http://www.xiaoyu163.com...
  • Page 31 3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-G411 CD-ROM No.SML200412 Area suffix E ------------- Southern Europe EX ------------ Northern Europe EY ------------- Eastern Europe EU ------------------------ Turkey L 13942296513 Contents Block diagram Standard schematic diagrams Printed circuit boards...

  • Page 32: 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 33: Block Diagram

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Block diagram TU.L TU.R FM/AM DET OUT TUNER FMVT Main amplifier & CD servo control section IC71 AMVT RDS DET VF1, VF2, VT1, VT2, LD, MD FM/AM PICK UP Q781, Q782 Q341, Q351 LM0, LM1 MUTE...
  • Page 34 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main amplifier section RB160M-30-X D243 R248 R244 C243 R243 0.047 180k R245 C241 Q241 1/50 R242 R241 IC301 C242 22/16 LA47515 QAU0313-001 2SD601A/R/-X LEVEL R793 R161 D240 C312 220k MA111-X...
  • Page 35 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 CD servo section R504 R502 8.2k C508 R586 6.8k R503 4.7k 0.01 R581 8.2k R585 CD.R C582 47/10 R517 C511 R584 270P R506 8.2k C501 C581 Q501 8.2k 3300P C580 4.7/25 AOUTR- R582...
  • Page 36 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 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 QGZ1601K1-15S LCD1 QLD0299-001 ACC5V REMOCON ENC1 ENC2 DIMOUT LCDCL LCDDA LCDCE KEY0 KEY1 1 3 9 4 2 2 9 6 5 1 3...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 Printed circuit boards Main board Forward side C910 IC901 Q341 J321 D331 C914 R331 L901 D901 C913 J801 R892 Q331 D891 D892 C904 CN901 Q891 C902 C163 C891 Q321 Q351 C905 R901 R341 C173 C318 C903 R783...
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 Main board Reverse side J321 CN901 C910 D971 J801 D972 IC901 R971 C321 C911 L901 C802 C914 R972 C905 C913 C904 D901 C915 C318 C902 C712 R901 R273 R882 C319 C308 D902 D273 C907 C906 C919 Q251...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 Front board Forward side R626 D651 JS686 D636 S611 D649 R608 R607 R612 D637 R611 D648 R651 R652 S614 LCD1 D647 R605 R603 D645 D644 D646 D638 D639 D641 D640 D642 D643 S605 S604 R610 S603 S602...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 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.MA135SCH) http://www.xiaoyu163.com...

  • Page 41: Parts List

    3 7 63 1515 0 PARTS LIST [KD-G411] * All printed circuit boards and its assemblies are not available as service parts. L 13942296513 Area suffix E ------------- Southern Europe EX ------------ Northern Europe EY ------------- Eastern Europe EU ------------------------- Turkey - Contents - Exploded view of general assembly and parts list (Block No.M1)
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 Front board u163 http://www.xiaoyu163.com...
  • Page 43 http://www.xiaoyu163.com 3 7 63 1515 0 Main board Main board L 13942296513 u163 LCD1 http://www.xiaoyu163.com...
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 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 QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-001A SCREW (x2) QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3) GE40235-004A SCREW...
  • Page 45 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-305T L 13942296513 u163 The parts without symbol number are not service. http://www.xiaoyu163.com...
  • Page 46 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...

  • Page 47: Electrical Parts List

    http://www.xiaoyu163.com 3 7 63 1515 0 Electrical parts list Main board Symbol  Part No. Part Name Description Local Block No. [0][1] D782 MA111-X SI DIODE  Symbol Part No. Part Name Description Local D784 UDZS11B-X Z DIODE D891 MA111-X SI DIODE D892 MA111-X...
  • Page 48 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   C180 QEKJ1EM-475Z E CAPACITOR 4.7uF 25V M C534 NDC31HJ-5R0X C CAPACITOR 5pF 50V J C191 QEKJ1CM-476Z E CAPACITOR 47uF 16V M C541 QEKJ0JM-107Z...
  • Page 49 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   C909 QEKJ0JM-227Z E CAPACITOR 220uF 6.3V M R343 NRSA02J-101X MG RESISTOR 100Ω 1/10W J C910 QEKJ1CM-106Z E CAPACITOR 10uF 16V M R351 NRSA63J-222X...

  • Page 50: Front Board

    http://www.xiaoyu163.com 3 7 63 1515 0 Symbol Symbol Part No. Part Name Description Local Part No. Part Name Description Local   R550 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R901 QRE142J-102X C RESISTOR 1kΩ 1/4W J R551 NRSA63J-101X MG RESISTOR 100Ω...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol Part No. Part Name Description Local  D681 MA8062/M/-X Z DIODE C661 NBE20JM-106X TA E CAPACITOR 10uF 6.3V M C662 NCS31HJ-681X C CAPACITOR 680pF 50V J C663 NCB31HK-223X C CAPACITOR 0.022uF 50V K C681 NBE20JM-475X TA E CAPACITOR...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A5 A6 A7 A8 A9 L 13942296513 KIT : A10 A11 A12 A13 A14 u163 3-12 http://www.xiaoyu163.com...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  VND3050-002 IDENTITY CARD (x0) G411EU VND3050-002 IDENTITY CARD G411E,G411EX,G411EY GE20137-003A MOUNTING SLEEVE GE20135-010A TRIM PLATE GET0257-001A INST BOOK GER FRE ITA G411E GET0257-003A INST BOOK...

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