JVC CD/Cassette Receiver KW-XC939 Service Manual Download Page 54

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Electrical parts list

Main board

Block No. [0][1][0][0]

Symbol No.

Part No.

Part Name

Description

Local

IC21

TB2118F-X

PLL IC

PLL

IC701

UPD784215AGC173

Main micon

IC761

HD74HC126FP-X

Buffer

IC791

IC-PST9333U-X

Regulator

IC901

LA4743K

POWER IC

Power amp.

IC911

HA13164A

Regulator

IC951

M61508FP-X

UN2211-X

TRANSISTOR

2SB815/7/-X

TRANSISTOR

2SB815/7/-X

TRANSISTOR

UN2211-X

TRANSISTOR

UN2211-X

TRANSISTOR

2SD601A/RS/-X

TRANSISTOR

UN2111-X

TRANSISTOR

Q81

2SD601A/RS/-X

TRANSISTOR

Q91

UN2111-X

TRANSISTOR

Q101

2SD1048/6-7/-X

TRANSISTOR

Q102

2SD1048/6-7/-X

TRANSISTOR

Q201

2SD1048/6-7/-X

TRANSISTOR

Q202

2SD1048/6-7/-X

TRANSISTOR

Q701

UN2213-X

DIGI TRANSISTOR

Q801

UN2211-X

TRANSISTOR

Q802

UN2213-X

DIGI TRANSISTOR

Q803

UN2213-X

DIGI TRANSISTOR

Q804

UN2211-X

TRANSISTOR

Q805

UN2211-X

TRANSISTOR

Q901

UN2211-X

TRANSISTOR

Q903

UN2111-X

TRANSISTOR

Q911

UN2211-X

TRANSISTOR

Q914

2SB709A/QR/-X

TRANSISTOR

Q918

UN2111-X

TRANSISTOR

Q919

UN2211-X

TRANSISTOR

Q920

UN2211-X

TRANSISTOR

Q941

UN2211-X

TRANSISTOR

Q943

UN2213-X

DIGI TRANSISTOR

1SS355-X

SI DIODE

1SS355-X

SI DIODE

MA152WK-X

SI DIODE

D81

MA152WK-X

SI DIODE

D82

1SS355-X

SI DIODE

D83

1SS355-X

SI DIODE

D84

CRS03-W

SB DIODE

D90

1SS355-X

SI DIODE

D91

1SS355-X

SI DIODE

D92

1SS355-X

SI DIODE

D101

MA152WA-X

DIODE

D201

MA152WA-X

DIODE

D791

1SS355-X

SI DIODE

D801

CRS03-W

SB DIODE

D901

UDZS11B-X

Z DIODE

D902

1SS355-X

SI DIODE

D911

1N5404-TU-15

DIODE

D912

CRS03-W

SB DIODE

D913

CRS03-W

SB DIODE

D914

1SS355-X

SI DIODE

D921

UDZS6.2B-X

Z DIODE

D932

CRS03-W

SB DIODE

D933

CRS03-W

SB DIODE

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

QERF1HM-474Z

E CAPACITOR

0.47uF 50V M

NCB31HK-331X

C CAPACITOR

330pF 50V K

QERF1AM-227Z

E CAPACITOR

220uF 10V M

C12

NCS31HJ-470X

C CAPACITOR

47pF 50V J

C13

NCS31HJ-101X

C CAPACITOR

100pF 50V J

C20

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C21

QERF1AM-227Z

E CAPACITOR

220uF 10V M

C22

QERF1CM-226Z

E CAPACITOR

22uF 16V M

C23

NCB31CK-473X

C CAPACITOR

0.047uF 16V K

C24

NCB31HK-102X

C CAPACITOR

1000pF 50V K

C25

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C26

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C27

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C28

NCB31HK-272X

C CAPACITOR

2700pF 50V K

C29

QFV61HJ-473Z

MF CAPACITOR

0.047uF 50V J

C30

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C31

NCB31CK-473X

C CAPACITOR

0.047uF 16V K

C32

QERF1CM-106Z

E CAPACITOR

10uF 16V M

C33

NDC31HJ-100X

C CAPACITOR

10pF 50V J

C34

NDC31HJ-100X

C CAPACITOR

10pF 50V J

C35

NCS31HJ-7R0X

C CAPACITOR

7pF 50V J

C36

NCB31HK-102X

C CAPACITOR

1000pF 50V K

C37

NCB31HK-102X

C CAPACITOR

1000pF 50V K

C38

NCB31CK-473X

C CAPACITOR

0.047uF 16V K

C39

NCS31HJ-470X

C CAPACITOR

47pF 50V J

C81

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C82

NCB31CK-473X

C CAPACITOR

0.047uF 16V K

C83

QERF1CM-226Z

E CAPACITOR

22uF 16V M

C84

QERF1HM-224Z

E CAPACITOR

0.22uF 50V M

C91

QERF0JM-476Z

E CAPACITOR

47uF 6.3V M

C101

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C102

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C103

NCS31HJ-331X

C CAPACITOR

330pF 50V J

C104

NCS31HJ-331X

C CAPACITOR

330pF 50V J

C111

NCB31EK-183X

C CAPACITOR

0.018uF 25V K

C112

QERF1EM-475Z

E CAPACITOR

4.7uF 25V M

C113

NCS31HJ-681X

C CAPACITOR

680pF 50V J

C114

QERF1EM-475Z

E CAPACITOR

4.7uF 25V M

C131

NCB31EK-473X

C CAPACITOR

0.047uF 25V K

C142

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C146

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C147

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C148

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C149

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C172

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C181

QERF1EM-475Z

E CAPACITOR

4.7uF 25V M

C182

QERF0JM-226Z

E CAPACITOR

22uF 6.3V M

C191

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C201

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C202

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C203

NCS31HJ-331X

C CAPACITOR

330pF 50V J

C204

NCS31HJ-331X

C CAPACITOR

330pF 50V J

C211

NCB31EK-183X

C CAPACITOR

0.018uF 25V K

C212

QERF1EM-475Z

E CAPACITOR

4.7uF 25V M

C213

NCS31HJ-681X

C CAPACITOR

680pF 50V J

C214

QERF1EM-475Z

E CAPACITOR

4.7uF 25V M

C232

NCB31EK-473X

C CAPACITOR

0.047uF 25V K

C242

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C246

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C247

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C248

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C249

QERF1HM-225Z

E CAPACITOR

2.2uF 50V M

C272

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C281

QERF1EM-475Z

E CAPACITOR

4.7uF 25V M

C291

QERF1HM-105Z

E CAPACITOR

1uF 50V M

C701

QERF1AM-227Z

E CAPACITOR

220uF 10V M

C702

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C703

NCS31HJ-8R0X

C CAPACITOR

8pF 50V J

C704

NDC31HJ-270X

C CAPACITOR

27pF 50V J

C705

NDC31HJ-270X

C CAPACITOR

27pF 50V J

C706

NDC31HJ-220X

C CAPACITOR

22pF 50V J

C708

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C709

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C710

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C714

QERF0JM-476Z

E CAPACITOR

47uF 6.3V M

C715

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C771

NCB31HK-223X

C CAPACITOR

0.022uF 50V K

C791

QERF0JM-476Z

E CAPACITOR

47uF 6.3V M

C792

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C801

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C802

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C803

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C804

NCB31HK-103X

C CAPACITOR

0.01uF 50V K

C805

QERF1AM-227Z

E CAPACITOR

220uF 10V M

Symbol No.

Part No.

Part Name

Description

Local

Summary of Contents for CD/Cassette Receiver KW-XC939

Page 1: ...NY OF JAPAN LIMITED No MA041 2003 10 CD CASSETTE RECEIVER MA041 2003 10 KW XC939 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 37 5 TROUBLESHOOTING 1 41 Area suffix EE Russian Federation ...

Page 2: ...0 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB Capture Ratio 1 5 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of channels 2 channels stereo Frequency Response 5 Hz to 20 ...

Page 3: ... 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: ...in the optical pickup The tester s internal power source can easily destroy the laser diode 1 3 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in ...

Page 5: ... No MA041 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 6: ... 3 Prior to performing the following procedure remove the front panel assembly as required 1 From the back side of the main body remove the ten screws B screw C and screw D attaching the rear bracket 2 Take out the rear bracket Fig 3 3 1 3 Removing the heat sink See Fig 4 Prior to performing the following procedure remove the front panel assembly as required 1 From the left side of the main body r...

Page 7: ... bottom chassis assembly See Figs 6 7 Fig 5 Fig 6 Fig 7 3 1 5 Removing the main board See Fig 8 Prior to performing the following procedures remove the front panel assembly rear bracket heat sink top chassis assembly and bottom chassis assembly 1 From the bottom side of the top chassis assembly remove the three screws H attaching the main board 2 Disconnect the connector CN501 on the main board an...

Page 8: ...m the top chas sis assembly Fig 9 3 1 7 Removing the CD mechanism assembly See Fig 10 Prior to performing the following procedures remove the front panel assembly rear bracket heat sink top chassis assembly main board and CD mecha control board 1 Remove the three screws K attaching the CD mechanism assembly to the top chassis assembly Reference When attaching the CD mechanism assembly joint the ho...

Page 9: ... See Fig 13 Prior to performing the following procedures remove the front panel assembly rear bracket heat sink bottom chassis as sembly and changer control board 1 From the back side of the bottom chassis assembly re move the screw M attaching the mecha control board and release the joints i from the bottom chassis assembly 2 Disconnect the wire from the connector CN402 and the card wire from the...

Page 10: ... the twelve screws P attaching the LCD board and then turn over the LCD board 2 From the reverse side of LCD board remove the solders from the soldered points j attaching the wire Fig 15 3 1 12 Removing the switch board See Fig 16 Prior to performing the following procedures remove the front panel assembly 1 From the back side of front panel assembly remove the five screws Q attaching the switch b...

Page 11: ...emoving the top cover See Figs 1 and 2 1 Remove the four 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 Fig 1 Fig 2 A A A Joints a Top cover Joints a Top cover ...

Page 12: ...nector board 2 Solder the short circuit point on the pickup 3 Disconnect the flexible wire from the pickup 4 Move the connector board in the direction of the arrow to release the two joints b 5 Unsolder the wires on the connector board if necessary CAUTION Unsolder the short circuit point after reassembling Fig 3 Fig 4 Fig 5 B Connector board Pickup Short circuit point Joints b Wires Pickup Short ...

Page 13: ... 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 Fig 6 Fig 7 Connector board DET switch Pickup DET switch Tab c Tab c DET switch wire Feed sw holder ...

Page 14: ...he chassis unit to the frame CAUTION The shape of the suspension spring L and R are dif ferent Handle them with care When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly Fig 8 Fig 9 Suspension spring L Suspension spring L Suspension spring R Suspension spring R Chassis unit Frame Chassis unit Frame Shafts Shaft Damper Damper D...

Page 15: ...cedure remove the top cover 1 Remove the clamper arm spring 2 Move the clamper assembly in the direction of the arrow to release the two joints d Fig 10 Fig 11 Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper arm spring Clamper assembly Joint d Joint d Chassis rivet assembly ...

Page 16: ...e the screw C and move the loading feed motor as sembly in the direction of the arrow to remove it from the chassis rivet assembly 2 Disconnect the wire from the loading feed motor assembly if necessary CAUTION When reassembling connect the wire from the loading feed motor assembly to the flame as shown in Fig 12 Fig 12 Fig 13 Loading feed motor assembly Loading feed motor assembly C ...

Page 17: ... F 2 Reattach the feed sw holder to the feed rack while setting the joint g to the slot of the feed rack and setting the joint f of the feed rack to the switch of the feed sw holder correct ly 3 As the feed sw holder is temporarily attached to the pickup unit set to the gear of the joint g and to the bending part of the chassis joint h at a time CAUTION Make sure that the part i on the underside o...

Page 18: ...e slot of the chassis rivet assembly respectively and join the joint k at a time Fig 19 Fig 20 3 2 10 Removing the top plate assembly See Fig 21 Prior to performing the following procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the screw H 2 Move the top plate assembly in the direction of the arrow to release the two joints r 3 Unsolder the wire marked s if...

Page 19: ...irection of the arrow to release the joint u 2 Unsolder the wire of the mode sw marked s if necessary 3 Turn the select lock arm in the direction of the arrow to re lease the two joints v 4 The select lock arm spring comes off the select lock arm at the same time Fig 22 Fig 23 Mode sw Select lock arm Joint t Link plate Joint u s Top plate Top plate Select lock arm Select lock arm spring Select loc...

Page 20: ... the underside of the select lock arm and join the select lock arm to the slots joint v Turn the select lock arm as shown in the figure 3 Reattach the mode sw while setting the part t to the first peak of the link plate gear and join the joint u CAUTION When reattaching the mode sw check if the points y and z are correctly fitted and if each part operates properly Fig 24 Fig 25 Fig 26 Select lock ...

Page 21: ... 29 and 30 REFERENCE Reverse the above removing procedure 1 Reattach the link plate spring 2 Reattach the link plate to the link plate spring while joining them at joint d 3 Reattach the joint a of the select arm R to the first peak of the link plate while joining the two joints b with the slots Then turn the select arm R as shown in the figure The top plate is joined to the joint c CAUTION When r...

Page 22: ... 5 Extend the lock arm rivet assembly outward and release the joint j from the boss of the chassis rivet assembly The roller guide springs on both sides come off at the same time CAUTION When reassembling reattach the left and right roller guide springs to the lock arm rivet assembly before reat taching the lock arm rivet assembly to the chassis rivet assembly Make sure to fit the part k of the ro...

Page 23: ...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 et 2 Pull out the loading gear 5 Fig 35 Fig 36 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 3 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 7 ...

Page 24: ...Remove the loading gear 1 8 Move the change plate rivet assembly in the direction of the arrow to release from the three shafts of the chassis rivet assembly upward See Fig 38 9 Detach the loading gear plate rivet assembly from the shaft of the chassis rivet assembly upward while releasing the joint p See Figs 38 and 40 10 Pull out the loading gear 4 Fig 37 Fig 38 Fig 39 Fig 40 Slot m Slot m Joint...

Page 25: ...ng 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 2 Unsolder the wire on the connector board if necessary Fig 41 Fig 42 L Turn table L Turn table Spindle motor ...

Page 26: ...e guide See Fig 2 1 Turn the mode gear to set to RVS play or subsequent mode 2 Remove the cassette guide from the main chassis while re leasing each two joint tabs a in the direction of the arrow Fig 2 3 3 2 Removing the load arm See Fig 3 1 Remove the E washer attaching the load arm 2 Move the load arm in the direction of the arrow and release the joint b on the cassette catch Fig 3 Mode gear Cas...

Page 27: ...older stabilizer spring from the hooks e and f then pull out from the cassette hanger assembly 4 Bring up the rear side of the cassette hanger assembly to release the joint g and h 5 Pull out the cassette catch from the cassette hanger as sembly Fig 4 Fig 5 Fig 6 Fig 7 Cassette holder assembly Side bracket Joints c Cassette holder assembly Cassette hanger assembly Boss d Boss d Cassette hanger ass...

Page 28: ...t i and j in the rear CAUTION When reassembling make sure that the boss k of the main chassis is set in the notch of the load rack under the side bracket assembly Do not reattach the load rack on the boss k CAUTION After reattaching the side bracket assembly confirm op eration Fig 8 Fig 9 Fig 10 A Side bracket assembly Side bracket assembly Joint i Joint j Joint i Joint j Side bracket assembly Bos...

Page 29: ...nd the tape guide 1 Move the slide chassis assembly in the direction of the ar row to release the two joints l and remove from the main chassis 2 Remove the rack link CAUTION When reassembling first reattach the rack link and next fit the boss m and hook n of the slide chassis assembly to the hole of the main chassis and engage the two joints l Fig 11 Fig 12 Fig 13 Fig 14 Polywasher Polywasher Pin...

Page 30: ...ng arm remarked o CAUTION When reattaching the head set the wires into the groove of the tape guide Fig 16 3 3 9 Removing the flywheel assembly F R See Fig 18 and 19 REFERENCE It is not necessary to remove the slide chassis assembly 1 Remove the belt at the bottom 2 Remove the two polywashers on the upper side 3 Pull out each flywheel assembly downward Fig 15 Fig 16 Fig 17 Fig 18 B Slide chassis a...

Page 31: ...e reel board See Fig 21 and 22 1 Remove the two screws C attaching the reel board 2 Move the reel board in the direction of the arrow to release the joint r 3 Unsolder the wires if necessary CAUTION When reattaching confirm operation of the MODE switch and the ST BY switch The mode position be tween EJECT and ST BY is optimum for reattach ing Connect the card wire extending from the reel board to ...

Page 32: ...re leasing the two joints s 4 Move the gear base link assemby in the direction of the ar row to release the two joints t REFERENCE When reattaching the gear base arm make sure that the boss on the gear base assembly is inside the gear base spring 3 3 14 Removing the FFC pad See Fig 25 and 27 1 Push each joint hook u of the FFC pad and remove toward the bottom Fig 23 Fig 24 Fig 25 Gear base link as...

Page 33: ... joints a and move in the direction of the arrow Refer to Fig 28 REFERENCE When reattaching the direction link move the direction plate in the direction of the arrow and engage the three joint x y and z at a time Refer to Fig 29 3 3 18 Removing the mode rack assembly See Fig 27 and 28 1 Move the mode rack assembly in the direction of the arrow to release the two joints b and the joint c REFERENCE ...

Page 34: ...hassis REFERENCE The parts are damaged when removed Please replace with new ones 3 3 20 Removing the reel driver reel spindle See Fig 32 1 Draw out the reel driver from the shaft on the main chassis and remove the reel driver spring and the reel spindle re spectively CAUTION The reel driver is damaged when removed Please re place with a new one Fig 30 Fig 31 Fig 32 Gear base assembly Pin d Slot e ...

Page 35: ... h 4 Move the eject cam plate in the direction of the arrow to re lease the joint i CAUTION When reassembling confirm operation of each part be fore reattaching the eject cam plate spring Fig 33 Fig 34 Fig 35 Fig 36 Fig 37 Joint f Load rack Eject cam plate spring Eject cam limiter Side bracket assembly Boss g Joint h Load rack Joint f Joint h Boss g Eject cam limiter Side bracket assembly Joint h ...

Page 36: ... motor assem bly 7 Unsolder the wires on the reel board if necessary CAUTION When reassembling adjust the length of the wires ex tending from the sub motor asswmbly by attaching them to the side of the sub motor assembly with the wires ex tending from the main motor assembly using a spacer Fig 38 Fig 39 Fig 40 Belt Polywasher Polywasher Mode gear Reduction gear A Main motor assembly D Sub motor as...

Page 37: ...TGYS 1 10 Test disc JVC CTS1000 Standard volume position Balance and Bass Treble volume Fader Center Indication 0 Loudness Dolby NR Sound Cruise Off Volume position is about 2V at speaker output with following conditions Playback the test tape VT721 Measuring conditions Amplifier section Power supply voltage DC14 4V 11V to 16V allowance Load impedance 4Ω 4Ω to 8Ω allowance Line out level Impedance...

Page 38: ...sembly 2 Remove the rear bracket 3 Remove the heat sink 4 Remove the top chassis assembly and bottom chassis assembly 5 Remove the main board 6 Remove the changer control board 7 Reattach the heat sink with two screw E Refer to Disassembly method 8 Reattach the front panel assembly with two screws A Refer to Disassembly method 9 Confirm that current is being carried by connecting an extension cord...

Page 39: ... of adjusting test points Head section view Cassette mechanism Surface Azimuth screw A Forward Playback head Tape speed adjust Motor assembly Azimuth screw B Reverse Azimuth screw A Forward Playback head Azimuth screw B Reverse ...

Page 40: ...de Adjust the Rch and Lch output levels to max with azimuth adjustment screw B In this case the phase difference should be within 45 3 Engage the reverse mode and adjust the output lev el to max with azimuth adjustment screw C The phase difference should be 45 or more 4 When switching between forward and reverse modes the difference between channels should be within 3dB Between FWD L and R REV L a...

Page 41: ...gnal eye pattern n remains closed Tracking loop closed RF signal eye pattern opens TOC read out Jump to the first track Play When the laser diode correctly emits Microprocessor commands SEL TC94A14FA 38 LD CN601 10 No disc display When the disc correctly rotates Microprocessor commands DMO TC94A14FA 41 Spindle motor IC681 7 Tracking Servo Loop ON RF signal Rough Servo Mode v CLV Servo Mode Program...

Page 42: ...C681 pins 10 and 11 Check the circuits in the vicinity of IC681 pins 10 11 and 13 Check the pickup and its connections NO NO NO NO YES YES YES YES YES Is the disk rotated Does the RF signal appear at RF TEST POINT Is the RF waveform at RF TEST POINT distorted Proceed to the Tracking section Is 4V present at IC681 pins 6 and 7 Check the spindle motor and its wiring Check the circuits in the vicinit...

Page 43: ...ptical block do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 5 7 Replacement of laser pickup Is RF output 1 3 0 4Vp p Replace it NO YES O K Turn ...

Page 44: ... No MA041 AV MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

Page 45: ...ded view of general assembly and parts list Block No M1 CD mechanism assembly and parts list Block No MB Cassette mechanism assembly and parts list Block No MP Electrical parts list Block No 01 04 Packing materials and accessories parts list Block No M3 KW XC939 3 2 3 4 3 6 3 10 3 18 Area suffix EE Russia MA041 ...

Page 46: ...Mecha control board Changer control board A E 24 23 16 9 7 51 11 11 55 2 11 17 17 20 17 19 21 17 18 22 17 17 10 59 57 58 56 13 13 5 5 5 3 15 12 15 12 12 8 6 4 53 14 54 14 50 13 1 1 45 45 45 45 45 46 46 45 43 44 63 LCD board Switch board 38 37 39 42 49 32 46 65 65 60 62 64 66 61 48 47 27 25 31 40 30 28 29 36 25 25 26 35 33 34 41 52 ...

Page 47: ...33945 001A F PANEL ASSY 27 LV21403 006A FINDER 28 LV33934 001A BUTTON 1 29 LV33935 001A BUTTON 2 30 LV33936 001A BUTTON 3 31 LV33937 003A BUTTON 4 32 LV21404 001A BUTTON 5 33 LV33938 001A BUTTON 6 34 LV33939 003A BUTTON 7 35 LV33940 001A BUTTON 8 36 LV33941 001A BUTTON 9 37 LV33147 004A CS LID 38 VKW5312 001 DOOR SPRING 39 LV42673 001A CS LENS 40 LV33942 001A BUTTON HOLDER L 41 LV33943 001A BUTTON...

Page 48: ... D D B a a B TN 2001 1013 111 2 111 37 27 32 23 13 15 99 28 98 83 12 86 121 16 17 124 4 125 1 111 3 3 71 111 93 111 91 92 113 88 89 82 87 20 18 115 90 32 30 38 114 11 85 25 73 111 33 34 74 72 35 26 31 22 36 116 29 112 19 61 24 112 62 21 38 76 95 96 14 97 100 123 81 94 77 75 74 73 84 94 101 100 122 93 75 83 ...

Page 49: ...ON SP L x2 61 69011614T PICKUP OPT 725 62 64180406T DET SW ESE22 71 303210302T CONN BOARD ASSY 72 30321002T MODE SW 73 30321003T LOAD MOTOR WIRE 74 30321005T MODE SW WIRE 75 30321009T SL WIRE 76 30321011T WIRE HOLDER 77 19501403T WIRE CLUMPER 81 303211301T ROLLER SHAFT AS 82 303211501T L GEAR PLATE RV 83 303211302T LOADING PLATE A 84 303211502T LOCK ARM RV ASS 85 303211303T L F MOTOR ASSY 86 30321...

Page 50: ... 802JE3 86 82 84 83 87 85 22 13 74 49 48 72 12 71 2 41 60 51 31 47 21 43 10 11 7 44 37 45 40 42 61 1 6 35 26 50 23 63 67 73 91 25 4 96 27 24 59 28 17 94 64 34 46 3 39 66 66 38 38 32 5 62 75 93 65 33 16 116 108 106 114 114 113 113 110 111 111 107 107 114 111 109 109 117 ...

Page 51: ... GEAR 45 1 0802 2017S REFLECTOR GEAR 46 1 0802 2018S RACK LINK 47 1 0802 2019S MODE SW ACTUATR 48 1 0802 2020S FRICTION GEARPL 49 1 0802 2021S FRICTION GEARFF 50 1 0802 2022S CASSETTE CATCH 51 1 0802 2026S FFC PAD 59 1 0802 4001S EJECT CAM PL SP 60 1 0802 4002S TU SPG 61 1 0802 4003S FF SPG 62 1 0802 4004S PINCH ARM SPG 63 1 0802 4005S HOLDER STAB SPG 64 1 0802 4006S HOLDER CUSH SPG 65 1 0802 4007...

Page 52: ...3 8 Grease point 1 2 FG 84M CFD 409 EP 56 SW 474B SW 902 MEN 223 MEA 512R CFD 250H 1 2 3 5 6 4 ...

Page 53: ...3 9 Grease point 2 2 11 12 7 21 24 27 28 46 44 41 62 33 35 13 10 42 39 ...

Page 54: ...CS31HJ 7R0X C CAPACITOR 7pF 50V J C36 NCB31HK 102X C CAPACITOR 1000pF 50V K C37 NCB31HK 102X C CAPACITOR 1000pF 50V K C38 NCB31CK 473X C CAPACITOR 0 047uF 16V K C39 NCS31HJ 470X C CAPACITOR 47pF 50V J C81 QERF1HM 105Z E CAPACITOR 1uF 50V M C82 NCB31CK 473X C CAPACITOR 0 047uF 16V K C83 QERF1CM 226Z E CAPACITOR 22uF 16V M C84 QERF1HM 224Z E CAPACITOR 0 22uF 50V M C91 QERF0JM 476Z E CAPACITOR 47uF 6...

Page 55: ...Part No Part Name Description Local R87 NRSA63J 274X MG RESISTOR 270kΩ 1 16W J R108 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R109 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R111 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R115 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R121 NRSA63J 203X MG RESISTOR 20kΩ 1 16W J R122 NRSA63J 203X MG RESISTOR 20kΩ 1 16W J R131 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R132 NRSA63J 102X MG...

Page 56: ...7 001Z CRYSTAL 12 500MHz X702 QAX0401 001 CRYSTAL 32 768KHz Symbol No Part No Part Name Description Local Symbol No Part No Part Name Description Local IC401 CXA2560Q IC Dolby B type noise reduction system with play back equalizer amp IC402 LB1641 IC DC Motor driver IC431 UPD789166GB 590 IC CPU IC432 IC PST9333U X IC Regulator IC461 HD74HC126FP X IC Buffer Q402 DTC114EKA X TRANSISTOR Q403 2SB1322 ...

Page 57: ...CAPACITOR 0 1uF 16V K C504 NCB31CK 104X C CAPACITOR 0 1uF 16V K C505 NCB31CK 104X C CAPACITOR 0 1uF 16V K C506 NCB31CK 473X C CAPACITOR 0 047uF 16V K C507 NCS31HJ 681X C CAPACITOR 680pF 50V J C509 NBE20JM 475X TA E CAPACITOR 4 7uF 6 3V M C511 NCB31HK 472X C CAPACITOR 4700pF 50V K C512 NCB31HK 472X C CAPACITOR 4700pF 50V K C513 NCB31CK 473X C CAPACITOR 0 047uF 16V K R501 NRSA63J 471X MG RESISTOR 47...

Page 58: ... C506 NDC31HJ 220X C CAPACITOR 22pF 50V J C507 NCS31HJ 471X C CAPACITOR 470pF 50V J C508 NCB31HK 103X C CAPACITOR 0 01uF 50V K C509 NCB31HK 103X C CAPACITOR 0 01uF 50V K C510 NCS31HJ 102X C CAPACITOR 1000pF 50V J C511 NCB31CK 104X C CAPACITOR 0 1uF 16V K C512 NEAD0JM 107X E CAPACITOR 100uF 6 3V M C513 NCB31HK 103X C CAPACITOR 0 01uF 50V K C551 NCB31HK 103X C CAPACITOR 0 01uF 50V K C571 NDC31HJ 100...

Page 59: ...63J 102X MG RESISTOR 1kΩ 1 16W J Symbol No Part No Part Name Description Local R537 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R538 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R539 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R540 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R541 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R542 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R543 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R544 NRSA63J 102X MG RES...

Page 60: ...W J R669 NRSA63J 474X MG RESISTOR 470kΩ 1 16W J R670 NRSA63J 474X MG RESISTOR 470kΩ 1 16W J R671 NRSA63J 474X MG RESISTOR 470kΩ 1 16W J R672 NRSA63J 474X MG RESISTOR 470kΩ 1 16W J R673 NRSA63J 474X MG RESISTOR 470kΩ 1 16W J R674 NRSA63J 331X MG RESISTOR 330Ω 1 16W J R675 NRSA63J 331X MG RESISTOR 330Ω 1 16W J R677 NRSA63J 105X MG RESISTOR 1MΩ 1 16W J R681 NRSA63J 682X MG RESISTOR 6 8kΩ 1 16W J R682...

Page 61: ...3 17 MEMO ...

Page 62: ...3 18 Packing materials and accessories parts list Block No M M M 3 P1 P6 P5 P3 P4 A10 A11 A9 A1 P2 A7 A8 KIT A2 A3 A4 A5 A6 ...

Page 63: ...D A 5 LV40978 001A CAUTION SHEET A 6 VJC3300 001SS BLIND PLATE A 7 QYSDSP5006Z SCREW 5mm x 6mm x8 A 8 QYSSSP5006Z SCREW 5mm x 6mm x8 A 9 QAM0531 001 CAR CABLE A 10 RM RK50 REMOCON UNIT A 11 BATTERY KIT SRW KW800 SCREW PARTS KIT A7 A8 P 1 FSPG4002 001 POLY BAG P 2 QPA00801205 POLY BAG 8cm x 12cm P 3 QPC03004315P POLY BAG 30cm x 43cm P 4 LV34547 001A CARTON P 5 LV10614 001A CUSHION P 6 LV10615 001A ...

Page 64: ...TTE RECEIVER No MA041SCH 2003 10 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD KW XC939 Area suffix EE Russian Federation Contents Block diagram Standard schematic diagrams Printed circuit boards 2 1 2 2 2 6 to 9 CD ROM No SML200310 ...

Page 65: ...r on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 66: ...V 3 3V CN702 CN911 TAPE LCH TAPE RCH IC502 REMOCON RECEIVER LCD1 LCD MODULE REMOTE KEY0 KEY1 KEY3 SEG1 to SEG75 COM1 to COM8 LCD RST CE CL DI S520 RESET SW S501 to S505 S511 to S513 S531 to S535 KEY MATRIX RESET IC501 LCD DRIVER CN501 CN701 HEAD FWD L FWD R REW L REW R COMMON L COMMON R CN402 SUB MOTOR MAIN MOTOR SWITCH TAPEIN MOTOR SUBMO SUBMO STANDBY MODE REEL PHOTO CN403 IC402 MOTOR DRIVER IC40...

Page 67: ...2SD1048 2SD1048 6 7 X 2 2 50 2 2 50 1 50 22 6 3 0 047 12k UN2211 X 2 2 50 2 2 50 4 7 25 1SS355 X 390 NAD0028 103X 1N5404 TU 15 2200 16 UN2211 X 1SS355 X UN2111 X 2SB815 7 X 2 7K 2SD601A RS X 2 7K 4 7 25 27K 10K 4 7 25 4 7 25 4 7k 4 7k 47u QMFZ047 150 T 1 8u 1 8u 47k 4 7k 4 7k 0 01 UPD784215AGC173 330 22k 100 22k 47k 47k 47k 120k 120k 0 047 10M QAX0401 001 QAX0617 001Z 47 10k 10k 10k 3 3k 1SS355 X ...

Page 68: ...0 047 0 1 10 10 560 560 560 560 820 10 10 NSW0041 001X NSW0041 001X NSW0066 001X 470 NSW0041 001X 470 NSW0066 001X NSW0066 001X NSW0066 001X NSW0066 001X NSW0066 001X 4 7 6 3 0 01 470 10K NSW0041 001X NSW0066 001X NSW0041 001X NSW0041 001X 560 NSW0066 001X 560 NSW0041 001X NSW0066 001X NSW0041 001X NSW0066 001X 470 NSW0066 001X NSW0066 001X NSW0066 001X 560 NSW0066 001X 560 560 820 560 MA152WK X 8...

Page 69: ...9 R471 R414 R415 C419 C421 R423 R422 D402 C436 C435 C433 C434 C437 R444 R447 R446 R445 Q432 R418 R482 R484 C491 CXA2560Q UPD789166GB 590 LB1641 HD74HC126FP X DTC114EKA X QGA2001C1 06 QGF1016C1 15 22 16 100 0 015 47k 47k 0 01 0 1 68 2 2k 22k 22k 100k 100k 330k 100 330 100 0 01 680 1 5M 0 1 0 01 DTC114EKA X 47k 47k IC PST9333U X 2 2K 2SB1322 RS T 47 6 3 0 01 47k 47K 120k 10k 47K 47K 47K 4 7 10K QGF1...

Page 70: ...01 NAD0022 103X 100k NAX0430 001X 22P 27P 0 10k 100 6 3 470P 0 01 47u 1M 0 01 100P 0 1 0 1 1k 330 330 0 027 0 33 47 6 3 100k 470k 470k 470k 470k 0 1 0 1 470k 470k 470k 470k 470k 470k 470k 0 1 100P 0 01 47 6 3 0 1 100P 1k 20k 4 7 35 4 7 35 UN2211 UN2111 12k 30k 12k 30k 120P 120P 4 7 35 4 7 35 4 7k 4 7k 4 7k 4 7k 0 1 0 01 100 6 3 100k 6 8k 3 9k 0 18k 1k 0 047 0 047 0 01 0 047 47u UN2211 LA6579H 6 8k...

Page 71: ...2 R241 R242 CN971 CN972 CN973 R974 R975 B24 C142 C1 C4 C5 C6 C8 C9 C11 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C81 C82 C83 C84 C91 C101 C102 C111 C112 C113 C114 C131 C146 C147 C148 C149 C242 C172 C181 C182 C191 C201 C202 C211 C212 C213 C214 C232 C246 C247 C248 C249 C272 C281 C291 C701 C702 C703 C704 C705 C706 C707 C710 CN701 C714 C715 C791 C792 C803 C805 C901 C9...

Page 72: ... S523 S524 S525 S526 S527 S528 S536 S537 C598 C599 C503 C504 C505 C506 C507 C511 C512 C513 CN501 D501 D520 D541 D542 D543 IC501 PJ501 R501 R502 R503 R511 R512 R513 R520 R521 R522 R523 R524 R527 R528 R531 R532 R529 R530 R536 R535 R525 R526 R541 R542 R543 R544 R545 R546 R551 R552 R553 R554 R555 R556 WR501 WR502 R515 R516 R534 R533 R537 R538 R539 R540 R562 R561 R594 R595 R596 R597 C502 C501 R518 Q501...

Page 73: ...54 C655 C656 C657 C658 C659 C660 C661 C662 C668 C669 C671 C672 C673 C681 C682 C683 C684 CN501 CN502 CN503 CN601 D501 D502 D503 D504 D505 D681 D682 IC501 IC502 IC503 IC504 IC571 IC572 IC601 IC621 IC651 IC652 IC681 L501 L502 L571 L572 L621 L622 L623 L651 L652 L653 Q501 Q502 Q571 Q572 Q601 Q681 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R518 R530 R533 R536 R537 R5...

Page 74: ...1 Q402 Q403 Q431 Q432 R401 R402 R403 R404 R405 R406 R407 R408 R409 R410 R411 R412 R413 R414 R415 R416 R417 R418 R420 R422 R423 R424 R425 R431 R432 R433 R434 R435 R436 R437 R438 R439 R440 R441 R442 R443 R444 R445 R446 R447 R448 R449 R461 R462 R463 R464 R465 R466 R467 R468 R469 R470 R471 VR401 VR402 X431 B401 B404 B405 L421 R421 CN403 C491 B402 B403 CJ402 CN401 C439 R450 R481 R482 R483 R484 R426 C40...

Page 75: ... No MA041SCH VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Printed in Japan WPC ...

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