JVC KD-G515 Service Manual
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JVC KD-G515 Service Manual

JVC KD-G515 Service Manual

Cd receiver
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3 7 63 1515 0
SERVICE MANUAL
1
2005
MA139
TE
L 13942296513
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
www
.
http://www.xiaoyu163.com
CD RECEIVER
KD-G515

TABLE OF CONTENTS

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u163
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COPYRIGHT © 2005 Victor Company of Japan, Limited
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
co
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9 4
2 8
Area suffix
UT ------------------------ Taiwan
UH --------------------- Thailand
UN ------------------------ Asean
U ------------------- Other Areas
0 5
8
2 9
9 4
2 8
m
No.MA139
9 9
9 9
2005/1

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA139 2005 KD-G515 Area suffix UT ------------------------ Taiwan UH --------------------- Thailand UN ------------------------ Asean U ------------------- Other Areas 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 than Continuous Power Output Front (RMS)

  • 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.MA139) http://www.xiaoyu163.com...

  • Page 7: Disassembly

    http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 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 (2) Take out the front panel assembly.
  • Page 8 http://www.xiaoyu163.com 3.1.3 Removing the front chassis assembly 3 7 63 1515 0 (See Figs.3 and 4) • Prior to performing the following procedures, remove the front panel assembly and bottom cover. Joint d Joint e (1) Remove the two screws A on the both sides of the main body.
  • Page 9 http://www.xiaoyu163.com 3.1.6 Removing the main board 3 7 63 1515 0 (See Fig.7) • Prior to performing the following procedure, remove the front panel assembly, front chassis assembly, side panel, bottom CN501 Main board cover and rear bracket. (1) Remove the two screws H attaching the main board. (2) Disconnect the connector CN501 and take out the main...
  • Page 10 http://www.xiaoyu163.com 3.1.8 Removing the switch board 3 7 63 1515 0 (See Figs.9 to 11) • Prior to performing the following procedure, remove the front panel assembly. (1) Remove the five screws K attaching the front panel assem- bly. (See Fig.9) (2) Release the nine joints h, and take out the rear cover.
  • Page 11 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 12 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 13 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 14 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 15 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 (2) Move the clamper assembly in the direction of the arrow to spring release the two joints d.
  • Page 16 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 17 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 the pu.
  • Page 18 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 19 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 20 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) 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 21 http://www.xiaoyu163.com 3.2.13 Removing the select arm R / link plate 3 7 63 1515 0 Joint c' Link plate Joint r (See Figs.27 and 28) Select arm R Joint b' • Prior to performing the following procedure, remove the top plate assembly.
  • Page 22 http://www.xiaoyu163.com 3.2.15 Removing the loading roller assembly 3 7 63 1515 0 (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 23 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 24 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 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 25 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 26: 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 27: Troubleshooting

    http://www.xiaoyu163.com SECTION 5 3 7 63 1515 0 TROUBLESHOOTING Feed section Is the voltage out put at Is the wiring for IC541 Is 5V present at IC501 Check CD8V. IC541 pin 40, 5V or 0V? pin 40 correct? pins 3,12 and 21? Check the vicinity of IC541.
  • Page 28 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. Check the vicinity of the Normal Is 9V present at IC161 IC901 audio power pin 31? supply.
  • Page 29 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 off the power switch and,disconnect the with a alcohol soaked cotton swab. power cord from the ac outlet.
  • Page 30 http://www.xiaoyu163.com 16 PIN CORD DIAGRAM 3 7 63 1515 0 OR/WH Black Green Violet BL/WH Blue Gray WH White Yellow WH/BK Orange GN/BK VI/BK GY/BK 16 YL MEMORY 8 BK 7 RD 15 OR/WH 3 GN L 13942296513 11 GN/BK 2 VI 10 VI/BK 4 WH...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 (No.MA139)1-31 http://www.xiaoyu163.com...
  • Page 32 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.MA139) Printed in Japan http://www.xiaoyu163.com...
  • Page 33 3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-G515 CD-ROM No.SML200501 Area suffix UT ------------------------ Taiwan UH --------------------- Thailand UN ------------------------ Asean U ------------------- Other Areas L 13942296513 Contents Block diagram Standard schematic diagrams Printed circuit boards 2-5 to7 u163 No.MA139SCH...

  • Page 34: 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 35: Block Diagram

    CH.L LCDCE CH.R REMOCON KEY0 ENC1 CD CHANGER KEY1 ENC2 IC601 CH.SCK CONTROL REMOCON KEY2 DIMOUT IC801 SI/SO JVC BUS LCDCL ENC1 DIM_CON DRIVER LCDDA ENC2 LCDCE Q641 DIMMER COM1 COM2 COM3 D601 to D619 S1 to S52 D645,D646 LCD1...
  • Page 36 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 1/50 R242 R241 IC301 C242 22/16 TB2906HQ Q241 QAU0394-001 2SD601A/R/-X LEVEL R161 D240 C312 220k MA111-X 1.2K...
  • Page 37 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 CD servo control section R519 5.1K C515 R506 8.2K C513 R518 0.01 0.01 8.2K 47/10 R586 6.8k FEED- FEED- R581 8.2k R585 CD.R C582 C501 C508 R584 270P FEED+ FEED+ C581 Q501 3300P...
  • Page 38 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 LCD & Key control section IC602 RPM7338-V4 R670 DIMOUT DIM_CON REMOCON ACC5V LCD1 ENC1 QLD0354-001 ENC2 LCDCE LCDDA 1 3 9 4 2 2 9 6 5 1 3 LCDCL KEY2 KEY1 IC601...
  • Page 39 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 Q891 D901 Q331 R901 Q321 Q351 C905 Q341 R976 C735 C187 C902 D781...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 Main board Reverse side C901 CN901 J321 C910 C341 IC901 C911 J801 Q902 C905 C327 D361 C802 D901 D971 C902 C908 R901 R353 C906 C319 R352 R343 C163 R342 R977 R323 R333 C781 R322 R332 R793 C737...
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 Switch board Forward side D619 LCD1 IC602 S611 S612 R610 D605 S613 D604 S614 D606 D607 R612 J601 R604 R605 R606 R602 R603 S617 S603 S605 S609 S602 S606 S604 S607 S608 D611 D610 D612 D613 D614...
  • Page 42 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.MA139SCH) http://www.xiaoyu163.com...

  • Page 43: Parts List

    3 7 63 1515 0 PARTS LIST [ KD-G515 ] * All printed circuit boards and its assemblies are not available as service parts. L 13942296513 - Contents - Exploded view of general assembly and parts list (Block No.M1) CD mechanism assembly and parts list (Block No.MB)

  • Page 44: Exploded View Of General Assembly And Parts List (Block No.m1)

    http://www.xiaoyu163.com 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. only UT version L 13942296513 Switch board u163 http://www.xiaoyu163.com...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0 k No. Main board L 13942296513 Switch board u163 http://www.xiaoyu163.com...
  • Page 46 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) GE40235-004A SCREW (x2) QYSDST2604ZA TAP SCREW...

  • Page 47: Cd Mechanism Assembly And Parts List (Block No.mb)

    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 48 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 49: 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] D715 SML-310VT/JK/-X  Symbol Part No. Part Name Description Local D716 SML-310VT/JK/-X D717 SML-310VT/JK/-X D718 MA8062/M/-X Z DIODE IC31 TB2118F-X PLL IC...
  • Page 50 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol Symbol   Part No. Part Name Description Local Part No. Part Name Description Local C192 QEKJ1CM-107Z E CAPACITOR 100uF 16V M C534 NDC31HJ-5R0X C CAPACITOR 5pF 50V J C193 QEKJ1CM-107Z E CAPACITOR 100uF 16V M C541 QEKJ1AM-107Z...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol Symbol   Part No. Part Name Description Local Part No. Part Name Description Local C902 QEKJ1HM-225Z E CAPACITOR 2.2uF 50V M R351 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J C903 QEKJ1CM-476Z E CAPACITOR 47uF 16V M R352 NRSA63J-821X...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol Symbol   Part No. Part Name Description Local Part No. Part Name Description Local R581 NRSA63J-822X MG RESISTOR 8.2kΩ 1/16W J R782 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R582 NRSA63J-822X MG RESISTOR 8.2kΩ...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 Switch board Symbol  Part No. Part Name Description Local Block No. [0][2] R661 NRSA02J-391X MG RESISTOR 390Ω 1/10W J Symbol  Part No. Part Name Description Local R670 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R672 NRSA02J-471X MG RESISTOR...

  • Page 54: Packing Materials And Accessories Parts List (Block No.m3)

    http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. A3 A5 A6 A7 A8 L 13942296513 KIT: A9 A10 A11 A12 A13 u163 3-12 http://www.xiaoyu163.com...
  • Page 55 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 GE20137-003A MOUNTING SLEEVE GE20149-014A TRIM PLATE GET0265-001A INST BOOK ENG THA G515U,G515UH GET0265-007A INST BOOK G515UT GET0265-002A INST BOOK KOR CHI(TAIWAN) ARA PER G515U GET0265-009A...

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