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JVC KD-AR300 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
1
2004
MA036
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-G300, KD-AR300

TABLE OF CONTENTS

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ao
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i
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
http://www.xiaoyu163.com
8
KD-AR300
S
KD-G300
Q Q
S
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.MA036
2004/1

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  • Page 1: Table Of Contents

    3 7 63 1515 0 SERVICE MANUAL CD RECEIVER MA036 2004 KD-G300, KD-AR300 KD-AR300 KD-G300 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.MA036)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) 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 7 http://www.xiaoyu163.com 3 7 63 1515 0 3.1.4 Removing the side panel (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 remove the side panel.

  • Page 8: No.ma036)1

    http://www.xiaoyu163.com 3 7 63 1515 0 3.1.7 Removing the CD mechanism assembly (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 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.ma036)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.ma036)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 defective point. Normal Is 9V present at IC161 pin Check the vicinity 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 Black Green BL/WH Violet Blue Gray WH/BK White Yellow GN/BK VI/BK GY/BK 16 YL MEMORY 8 BK 7 RD 5 BL/WH REMOTE 4 WH L 13942296513 12 WH/BK 3 GN 11 GN/BK 2 VI 10 VI/BK...
  • 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.MA036) Printed in Japan http://www.xiaoyu163.com...

  • Page 30: Schematic Diagrams

    3 7 63 1515 0 SCHEMATIC DIAGRAMS CD RECEIVER KD-AR300,KD-G300 CD-ROM No.SML200401 Area suffix J -------------- Northern America KD-AR300 L 13942296513 KD-G300 KD-AR300J KD-G300J ARSENAL rogo CD CHANGER CONTROL Contents Block diagram Standard schematic diagrams Printed circuit boards 2-9 to 11 u163 No.MA036SCH...

  • Page 31: Precaution 2

    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 REAR RIGHT (+) L 13942296513 REAR RIGHT (-) AOUTL- EACH BLOCK AOUTL+ AOUTR- CN901 AOUTR+ IC581 CD L.P.F. MP3STBY BATTERY MP3CLK MP3DOUT MP3RESET CH.L MP3REQ CH.R MP3DIN CD CHANGER SI,SO,I/O CONTROL CH.SCK INT,SCK IC801 JVC BUS ONLY USED FOR KD-AR300J u163 http://www.xiaoyu163.com...
  • Page 35 http://www.xiaoyu163.com Standard schematic diagrams 3 7 63 1515 0 Main amplifier section QAU0312-001 QNB0100-002 4.7u 1/50 1/50 TU.L C173 1/50 CH.L C172 1/50 1000P C171 1/50 CD.L 0.001 2SB624/4/-X IC31 TB2118F-X 4.7k FM/AM 2.2k PLLCE 2.2k PLLDA UN2211-X 3.3k C161 1/50 2.2k CD.R...
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 D243 R248 RB160M-30-X R244 C243 R243 0.047 180k R245 C241 1/50 R242 R241 IC301 C242 22/16 LA47515 Q241 2SD601A/QR/-X LEVEL R161 D240 C312 220k 1SS355-X R312 0.47 OUTLF OUTLR R311 220k 0.47 1SS355-X R171 C311 2.2k D241...
  • Page 37 http://www.xiaoyu163.com CD servo section 3 7 63 1515 0 C513 0.01 R518 8.2k FEED- FEED- R506 8.2K FEED+ FEED+ AOUTR- AOUTR+ R539 SPINDLE- SPINDLE- AOUTL+ SPINDLE+ SPINDLE+ AOUTL- FOCUS- FOCUS- VREF VREF R504 FOCUS+ FOCUS+ R502 8.2k TRACKING+ TRACKING+ R503 C509 TRACKING- TRACKING-...
  • 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 AOUTR- R582 8.2k C589 4.7/25 AOUTR+ R583 8.2k IC581 NJM4565M-WE R593 8.2k R592 8.2k C599 4.7/25 R594 AOUTL+ C590 4.7/25 C583 C593 C591 AOUTL-...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 LCD & Key control section LCD1 QLD0299-001 L 13942296513 R604 R603 R602 R601 R605 KEY2 2.7K 1.8K 1.2K S601 S602 S603 S604 S605 S606 D631 D632 D636 D640 D643 D644 D650 D647 D649 D635 D633 D637 D646...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 JS686 IC681 QSW0793-001 RPM7338-V4 C682 0.012 R687 C681 4.7/6.3 R688 C687 0.022 R681 CJ601 VMC0335-001 ACC5V REMOCON ENC1 ENC2 To CN701 DIMOUT (SHEET 1) LCDCL LCDDA LCDCE KEY0 KEY1 KEY2 L 13942296513 R661 2.2K R662 2.2K COM1...
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 Printed circuit boards Main board Forward side J801 IC901 J321 C901 L901 Q902 C903 CN901 C919 D971 R971 D901 R911 R910 D972 R972 C905 R904 B352 Q901 C913 R351 R331 C163 R341 C173 B351 C914 C360 C961...
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 Main board Reverse side J321 J801 IC901 C906 C341 C915 L901 C321 C163 C173 C911 CN901 C912 D901 C891 B352 C903 C905 C913 C319 C802 R901 B351 R881 C910 IC301 C914 C904 C308 R902 C907 R851 C352...
  • Page 43 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 D644 D645 D638 D639 D646 D640 D641 D642 D643 S605 S604 S602 S601 S608...
  • 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.MA036SCH) http://www.xiaoyu163.com...

  • Page 46: Parts List

    3 7 63 1515 0 PARTS LIST [ KD-G300 ] [ KD-AR300 ] * 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 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  Symbol No. Part No. Part Name Description Local GE40103-003A REG BRACKET GE40107-002A HEAT SINK GE10043-210A TOP CHASSIS GE30854-001A LED HOLDER GE40135-001A EARTH PLATE AR30...
  • 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...

  • 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 NCB31HK-103X C CAPACITOR 0.01uF 50V K QEKJ1CM-226Z E CAPACITOR 22uF 16V M IC31 TB2118F-X...
  • Page 52 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C325 NCB31EK-104X C CAPACITOR 0.1uF 25V K C568 NCB31EK-104X C CAPACITOR 0.1uF 25V K C341 NCB31EK-473X C CAPACITOR 0.047uF 25V K C570...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R511 NRSA63J-152X MG RESISTOR 1.5kΩ 1/16W J NRSA63J-470X MG RESISTOR 47Ω...
  • Page 54 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R723 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J L541 NQL114K-470X INDUCITOR 47uH K R725 NRSA63J-103X MG RESISTOR 10kΩ...
  • Page 55 http://www.xiaoyu163.com 3 7 63 1515 0  Symbol No. Part No. Part Name Description Local R605 NRSA63J-272X MG RESISTOR 2.7kΩ 1/16W J R606 NRSA63J-821X MG RESISTOR 820Ω 1/16W J R607 NRSA63J-821X MG RESISTOR 820Ω 1/16W J R608 NRSA63J-122X MG RESISTOR 1.2kΩ...
  • Page 56 http://www.xiaoyu163.com 3 7 63 1515 0 Packing materials and accessories parts list Block No. A1A2A3 A4A5 A6A7A8 A9A21 KIT:A10 A12 A13 L 13942296513 Packing and accessories  Symbol No. Block No. [M][3][M][M] Part No. Part Name Description Local  Symbol No. Part No.

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Kd-g300Kd-g405Kd-g455

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