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Sony XR-4950X, Service Manual

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SERVICE MANUAL

FM/MW/SW CASSETTE CAR STEREO

E Model

Model Name Using Similar Mechanism

XR-C5100

Tape Transport Mechanism Type

MG-25F-136

SPECIFICATIONS

XR-4950X/4954X

Photo: XR-4950X

Ver 1.1  2001.05

9-870-103-12

Sony Corporation

2001E0500-1

e Vehicle Company

C

 2001.5

Shinagawa Tec Service Manual Production Group

www. xiaoyu163. com

QQ 376315150

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TEL 13942296513

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TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Summary of Contents for XR-4950X

Page 1: ...oto XR 4950X Ver 1 1 2001 05 9 870 103 12 Sony Corporation 2001E0500 1 e Vehicle Company C 2001 5 Shinagawa Tec Service Manual Production Group www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 2: ...Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacit...

Page 3: ...om instruction manual www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 4: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 5: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 6: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 7: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 8: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 9: ...3 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 10: ...63 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 11: ...63 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 12: ...63 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 13: ...3 Screw PTT2 6 6 0 Mechanism deck MG 25F 136 7 Flexible flat cable CNP301 4 Screw PTT2 6 6 5 Rubber cap 25 1 Eight screws PTT2 6 8 2 Two screws PTT2 6 12 6 Ground screw 7 Two ground screws 4 Ground plate TU 3 Heat sink 8 Main board 9 Insulated plate www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 139...

Page 14: ... C part 1 Install the catch to the hanger 2 Install the hanger onto two claws of the housing 7 Holder the hanger by bending the claw hanger housing 2 Move the arm suction in the arrow direction and fit on projection 1 Fit the arm suction on the shaft projection www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 89249...

Page 15: ...polyethylene washer 2 tension spring LD 2 2 tension spring LD 1 gear LDG FB lever LDG A hole hole 4 Align hole in the gear LDG D with hole the lever LDG A 3 Move the lever LDG B in the arrow direction 1 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu...

Page 16: ... two precision screws P2 2 capstan reel motor M901 30 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 17: ...02RC 0 5 4 5 g cm 0 01 0 06 oz inch 5 89 19 61N m FF REW CQ 201B 60 200 g cm 0 83 2 78 oz inch 6 1 TEST MODE Set the Test Mode 1 Set the OFF mode 2 Push the preset 4 button 3 Push the preset 5 button 4 Press the preset 1 button for more than two seconds 5 Then the display indicates all lights the test mode is set Release the Test mode 1 Push the OFF button 0 dB 0 775 V Speed checker Frequency coun...

Page 18: ...FRONT L 9 FRONT R 4 FRONT R 12 REAR L 2 REAR L 10 REAR R 3 REAR R 11 13 MUTING Q171 MUTING Q271 MUTING Q181 STNBY MUTE MUTING Q281 R CH R CH CAPSTAN REEL MOTOR DRIVE Q354 CMON BATT B M M901 CAPSTAN REEL MOTOR TAPE REG DRIVE Q352 LMEJ TAPON LMLOD VCC B 8 5V BATT B IN2 IN1 OUT2 OUT1 LOADING MOTOR DRIVE IC351 M 7 9 MOTOR DRIVE 4 3 1 TAPE REGULATOR Q351 LOADING TAPE OPERATION MOTOR TESTIN 39 TAPE OPER...

Page 19: ...UIN 28 BUIN 33 D581 RESET S551 RESET DSTSEL 6 ANT B TU B 8V REGULATOR IC611 COM8V TU B 5V TUNER 5 6 TUNER 8 7 STB 18 BATT ANT REM 6 CN781 2 2 POWER CONNECTOR COM 8V AUDIO CIRCUIT B D572 TU5V FM AM TUNER UNIT TU8V VCC 7 7 ACC DOOR INDICATOR SWITCH Q631 DOOR IND 79 LSW801 LED801 FP REGULATOR DRIVE Q602 ACCESSORY CHECK Q571 FP REGULATOR Q601 FP B 2 3 4 9 BU B BU B D551 5 10 11 8 AMP B 6 TUON PWON 83 ...

Page 20: ...n with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f MW SW E TAPE PLAYBACK For printed wiring boards Note X parts extracted from the component side Y parts extracted from the conductor side b Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pattern face side Par...

Page 21: ...1 E 11 D588 E 8 D591 E 10 D601 I 12 D610 D 9 D611 D 9 D613 C 9 D614 D 9 D621 D 5 D622 D 6 D624 D 7 D701 J 4 D702 J 4 D703 J 5 D704 J 5 D705 I 3 D706 J 5 D707 I 3 D708 I 2 D709 I 3 D721 C 8 D722 C 7 D723 B 6 D724 C 8 D731 C 7 D732 C 8 D733 C 8 D734 C 8 D781 C 11 IC301 H 4 IC331 D 4 IC351 H 12 IC501 G 7 IC551 J 10 IC611 E 12 IC751 B 7 Q11 E 2 Q21 E 2 Q31 F 6 Q171 C 4 Q181 C 4 Q271 C 5 Q281 C 5 Q351 ...

Page 22: ...C Block Diagrams S501 FREQUENCY SELECT NOSE SW See page 27 for IC Pin Function w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 23: ...e page 26 for IC Block Diagrams RESET w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 24: ...801 14 1 A MAIN BOARD CN701 Page 21 1 676 603 11 1 KEY BOARD CN901 1 2 3 4 5 6 7 8 9 1011121314 A SIDE Semiconductor Location D901 C 11 D902 B 10 D903 B 10 D904 B 10 D952 B 6 IC901 B 8 Ref No Location w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376...

Page 25: ...or Waveform w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 26: ...19 18 16 15 14 13 12 1 2 3 4 5 6 7 8 9 10 11 INPUT MULTIPLEXER MAIN SOURCE SELECTOR MIXING SELECTOR SECOND SOURCE SELECTOR MAIN PHONO MAIN CH0 AUX AM FM IN GAIN AUTO ZERO LOUDNESS SOFTMUTE VOLUME TREBLE BASS HP LP COMPANDER VOICE BANDPASS MUTE IN GAIN LOUDNESS DIGITAL CONTROL IIC BUS HIGH CUT S H 25kHz LP DEMODULATOR STEREO ADJUST STEREO BLAND MULTIPATH DETECTOR D A CONVERTER PILOT CANCELATION PIL...

Page 27: ... the UNI LINK slave microprocessor is reset LCD serial data output Serial interface with LCD driver IC Outputs L when OFF to prevent misoperations of the C MOS port LCD chip enable output terminal Serial interface with LCD driver IC Outputs L when OFF to prevent misoperations of the C MOS port LCD serial clock output Serial interface with LCD driver IC Outputs L when OFF to prevent misoperations o...

Page 28: ...ontrol output Controls power on off of the system power supply turned on when the unit operates Outputs H when the power is on and L when off Xplod model acknowledge terminal Sets the slave illumination to amber when H Amber when L Accessory power supply detection input Input terminal to detect accessory Accessory is present when L is input Test mode setting input terminal Input terminal for setti...

Page 29: ...direction and L in the reverse direction Metal control input output Switches between metal on off MTL is present when initial L is input Outputs H during MTL ON Tape mute control output FF and REW are active during ATA operations Outputs H during mute on when the EQ IC is connected Dolby control input output Sets the presence absence of the Dolby function during the input mode during initializatio...

Page 30: ...rotation 85 POS3 I 86 POS2 I Position signal detection input 87 POS0 I Terminal for detecting tape position Connected to MD 88 POS1 I Loading motor control output Loading direction Rotates the loading motor in the normal direction using the tape control terminal Loading motor control output Ejection direction Rotates the loading motor in the reverse direction using the tape control terminal Become...

Page 31: ... DAVDD O Pin No Pin Name I O Function www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 32: ... 01 BUTTON EJECT 6 1 676 603 11 SUB BOARD 7 3 027 437 12 DOOR CASSETTE 8 3 935 003 01 SPRING TORSION 9 3 045 877 01 CUSHION TU 10 X 3376 699 2 GEAR ASSY 11 3 030 909 02 DAMPER OIL 12 3 713 786 51 SCREW P 2X3 13 3 045 828 01 INSULATED PLATE 14 3 040 996 01 HEAT SINK 2P 15 3 012 859 01 CAP 25 RUBBER 16 3 915 923 01 SCREW GROUND POINT 17 1 792 194 21 CORD WITH CONNECTOR POWER 18 3 046 991 01 SPACER C...

Page 33: ...6 01 BUTTON MENU SOUND 60 3 040 997 01 PLATE LCD GROUND 61 3 041 371 02 SHEET REFLECTOR 62 3 040 993 01 PLATE LCD LIGHT GUIDE 63 1 694 660 11 CONDUCTIVE BOARD CONNECTION 64 3 040 992 01 HOLDER LCD 65 X 3378 398 1 PANEL ASSY FRONT BACK 66 3 045 596 01 CUSHION OFF 67 X 3378 578 1 PANEL SUB ASSY 4950X 67 X 3378 579 1 PANEL SUB ASSY 4954X LCD901 1 803 907 41 DISPLAY PANEL LIQUID CRYSTAL www xiaoyu163 ...

Page 34: ... 165 A 3301 267 A CHASSIS ASSY G 166 3 017 302 01 BELT 25 167 3 936 853 01 FLYWHEEL F 168 3 701 437 21 WASHER HP901 1 500 157 21 HEAD MAGNETIC PLAYBACK M901 A 3291 665 A MOTOR ASSY MAIN CAPSTAN REEL Ref No Part No Description Remark Ref No Part No Description Remark 3 MECHANISM DECK SECTION MG 25F 136 160 161 162 164 165 166 167 151 168 168 159 158 155 156 157 154 153 152 163 HP901 M901 7 8 A A ww...

Page 35: ...184 1 164 489 11 CERAMIC CHIP 0 22UF 10 00 16V C191 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C201 1 163 263 11 CERAMIC CHIP 330PF 5 00 50V C202 1 163 263 11 CERAMIC CHIP 330PF 5 00 50V C203 1 163 021 11 CERAMIC CHIP 0 01UF 10 00 50V C204 1 164 489 11 CERAMIC CHIP 0 22UF 10 00 16V C205 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C206 1 109 982 11 CERAMIC CHIP 1UF 10 00 10V C209 1 163 227 11 CERAMIC CHIP...

Page 36: ...11 CERAMIC CHIP 1UF 10 00 10V C781 1 107 885 31 ELECT 3300UF 20 00 16V C782 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C783 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C784 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C785 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V CONNECTOR CN301 1 766 260 11 CONNECTOR FFC FPC ZIF 7P CN351 1 506 995 11 PIN CONNECTOR PC BOARD 13P CN701 1 784 456 11 CONNECTOR FFC FPC 14P CN781 1 774 ...

Page 37: ... CHIP 47K 5 1 10W R21 1 216 057 00 METAL CHIP 2 2K 5 1 10W R22 1 216 085 00 METAL CHIP 33K 5 1 10W R31 1 216 001 00 METAL CHIP 10 5 1 10W R32 1 216 037 00 METAL CHIP 330 5 1 10W R101 1 216 041 00 METAL CHIP 470 5 1 10W R102 1 216 109 00 METAL CHIP 330K 5 1 10W R103 1 216 077 00 RES CHIP 15K 5 1 10W R104 1 216 079 00 METAL CHIP 18K 5 1 10W R171 1 216 025 00 RES CHIP 100 5 1 10W R172 1 216 081 00 ME...

Page 38: ... 089 00 RES CHIP 47K 5 1 10W R573 1 249 421 11 CARBON 2 2K 5 1 4W F R574 1 216 081 00 METAL CHIP 22K 5 1 10W R576 1 216 105 00 RES CHIP 220K 5 1 10W R581 1 216 049 00 RES CHIP 1K 5 1 10W R586 1 216 073 00 METAL CHIP 10K 5 1 10W R587 1 216 073 00 METAL CHIP 10K 5 1 10W R588 1 216 097 00 RES CHIP 100K 5 1 10W R589 1 216 085 00 METAL CHIP 33K 5 1 10W R590 1 216 097 00 RES CHIP 100K 5 1 10W R591 1 216...

Page 39: ... 329 665 A MOTOR ASSY MAIN CAPSTAN REEL CONNECTOR CN901 1 794 065 21 PLUG CONNECTOR 14P DIODE D901 8 719 158 49 DIODE UDZ TE 17 12B D902 8 719 056 82 DIODE UDZ TE 17 6 2B D903 8 719 056 82 DIODE UDZ TE 17 6 2B D904 8 719 056 82 DIODE UDZ TE 17 6 2B D952 8 719 976 99 DIODE UDZ TE 17 5 1B IC IC901 8 759 366 34 IC LC75824E LIQUID CRYSTAL DISPLAY LCD901 1 803 907 41 DISPLAY PANEL LIQUID CRYSTAL DIODE ...

Page 40: ...UCTION INSTALL ENGLISH SPANISH CHINESE 4950X 3 044 363 11 MANUAL INSTRUCTION ENGLISH CHINESE ARABIC 4954X 3 044 364 11 MANUAL INSTRUCTION INSTALL ENGLISH CHINESE ARABIC 4954X X 3378 490 1 CASE PANEL ASSY PARTS FOR INSTALLATION AND CONNECTIONS 501 X 3373 602 1 FRAME ASSY 502 3 934 325 01 SCREW K 5X8 TAPPING 503 3 233 644 01 SPRING FITTING 504 3 040 979 01 COLLAR 505 1 792 194 21 CORD WITH CONNECTOR...

Page 41: ...ww xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 42: ...the next revised page Ver Date Description of Revision 1 1 2001 05 Change of Part No for SPRING FITTING ECN CSA04727 1 0 2000 06 Correction 1 2000 02 New www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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