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JVC KD-G505 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
1
2004
MA033
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
.
http://www.xiaoyu163.com
CD RECEIVER
KD-G505
ATT
SOUND
U
F
R
SOURCE
D
VOL
VOL

TABLE OF CONTENTS

x
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
Area Suffix
U ------- Other Areas
m
No.MA033
9 9
9 9
2004/1

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA033 2004 KD-G505 SOUND SOURCE L 13942296513 Area Suffix U ------- Other Areas 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 Continuous Power Output (RMS) Front than 0.8% total harmonic distortion.

  • 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.MA033)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 Front panel assembly (See Fig.1) (1) Press the detach button and remove the front panel assembly. 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 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 and main board. (1) Remove the three screws J attaching the CD mechanism assembly.
  • 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 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 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 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 (No.MA033)1-29 http://www.xiaoyu163.com...
  • Page 30 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.MA033) Printed in Japan http://www.xiaoyu163.com...

  • Page 31: Schematic Diagrams

    3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-G505 CD-ROM No.SML200401 Area suffix U --------------------- Other Areas L 13942296513 SOUND SOURCE Contents Block diagram Standard schematic diagrams Printed circuit boards 2-5 to 7 u163 No.MA033SCH COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD.

  • 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

    S601 to S617 MP3CLK KEY1 KEY MATRIX MP3DOUT IC602 SO,I/O KEY2 MP3RESET REMOCON INT,SCK CH.SCK IC801 LCDCL KEY0 MP3REQ LRCK LCDDA JVC BUS IC401 KEY1 MP3DIN AOUT LCDCE KEY2 MP3/WMA LSI REMOCON REMOCON & INT.SRAM ENC1 ENC2 LCD1 ENC1 ENC2 IC601 EN601...
  • Page 34 http://www.xiaoyu163.com Standard schematic diagrams 3 7 6 3 1 5 1 5 0 RB160M-30-X D243 Main amplifier section R248 R244 C243 R243 0.047 180k R245 C241 1/50 R242 R241 IC301 C242 22/16 LA47515 Q241 QAU0311-001 2SD601A/R/-X LEVEL R161 D240 C312 220k MA111-X 0.47...
  • Page 35 http://www.xiaoyu163.com CD servo section 3 7 6 3 1 5 1 5 0 R519 5.1K R506 C515 C513 8.2K R518 0.01 0.01 8.2K 47/10 R586 6.8k FEED- FEED- R581 8.2k R585 CD.R C501 C582 C508 R584 270P FEED+ FEED+ C581 Q501 3300P 2SB1322/RS/-T...
  • Page 36 http://www.xiaoyu163.com LCD & Key control section 3 7 6 3 1 5 1 5 0 IC602 EN601 QSW0793-001 RPM7338-V4 R682 R683 CN601 NNZ0087-001 REMOCON ACC5V LCD1 ENC1 ENC2 LCDCE LCDDA To CN701 LCDCL (SHEET 1) KEY2 KEY1 KEY0 1 3 9 4 2 2 9 6 5 1 3 R670 DIM_CON DIMOUT...
  • Page 37 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 38 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 39: Ao Y U163

    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 40 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.MA033SCH) http://www.xiaoyu163.com...

  • Page 41: Parts List

    3 7 63 1515 0 PARTS LIST [ KD-G505] * All printed circuit boards and its assemblies are not available as service parts. Area suffix U --------------------- Other Areas L 13942296513 - Contents - Exploded view of general assembly and parts list (Block No.M1) 3- 2 CD mechanism assembly and parts list (Block No.MB)
  • Page 42 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 43 SSM BTN GE31025-001A SEARCH BTN GE31041-004A EJECT BUTTON GE31250-001A EJECT COVER GE40220-001A LIGHT SHEILD GE31042-004A DETACH BUTTON 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 44 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 45 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 46: 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 D784 UDZS11B-X Z DIODE D901 1N5401-TU-15 DIODE IC31 TB2118F-X PLL IC D902 MA111-X SI DIODE...
  • Page 47 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 C304 NCS31HJ-391X C CAPACITOR 390pF 50V J C549 NCB31HK-272X C CAPACITOR 2700pF 50V K C307 QEKJ1HM-105Z E CAPACITOR 1uF 50V M C550 NCB31HK-103X...
  • Page 48 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 C914 QEKJ1CM-107Z E CAPACITOR 100uF 16V M R414 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J C915 NCB31CK-104X C CAPACITOR 0.1uF 16V K R415 NRSA63J-473X...
  • Page 49 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 R594 NRSA63J-181X MG RESISTOR 180Ω 1/16W J R809 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R595 NRSA63J-181X MG RESISTOR 180Ω...
  • Page 50 http://www.xiaoyu163.com 3 7 63 1515 0 Symbol No. Part No. Part Name Description Local D631 SML-310LT/MN/-X D641 UDZS5.1B-X Z DIODE D642 MA111-X SI DIODE D643 MA8062/M/-X Z DIODE D645 NSPW310BS/BRS/ D646 NSPW310BS/BRS/ C601 NCB31HK-223X C CAPACITOR 0.022uF 50V K C602 NCS31HJ-681X C CAPACITOR 680pF 50V J...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 < MEMO> L 13942296513 u163 3-11 http://www.xiaoyu163.com...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. A1A2A3A4A5 L 13942296513 A9 A10 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 ENG CHI(TAIWAN) GET0190-001A INST BOOK THA ARA GET0190-002A INST BOOK GET0190-003A INSTALL MANUAL GET0190-004A INSTALL MANUAL GET0208-003A DEMO MODE SHEET LVT1120-003A MP3 GUIDE VKZ4027-202...

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