Sony Walkman D-EJ955 Service Manual Download Page 37 | Manualshive

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Sony Walkman D-EJ955 Service Manual Download Page 37

D-EJ955

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SCHEMATIC DIAGRAM – MAIN Board (2/3) –

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TEL 13942296513 QQ 376315150 892498299

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

http://www.xiaoyu163.com

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Summary of Contents for Walkman D-EJ955

Page 1: ... 50 Hz Battery life approx hours When you use the CD player on a flat and stable surface Playing time varies depending on how the CD player is used When using G PROTECTION 1 2 Two NC 6WM 19 19 5 charged for about 5 hours External battery case 66 71 two alkaline batteries Rechargeable batteries 88 92 NC 6WM and external battery case two alkaline batteries Measured value by the standard of JEITA Jap...

Page 2: ...AIN Section 1 2 10 5 2 Block Diagram MAIN Section 2 2 11 5 3 Block Diagram POWER SUPPLY Section 12 5 4 Note for Printed Wiring Boards and Schematic Diagrams 13 5 5 Printed Wiring Board 14 5 6 Schematic Diagram MAIN Board 1 3 15 5 7 Schematic Diagram MAIN Board 2 3 16 5 8 Schematic Diagram MAIN Board 3 3 17 5 9 IC Pin Function Description 18 6 EXPLODED VIEWS 6 1 Upper Lid Cabinet Upper Section 25 6...

Page 3: ...TION CHECK During normal operation of the equipment emission of the laser diode is prohibited unless the upper lid is closed while turning ON the S804 push switch type The following checking method for the laser diode is operable Method Emission of the laser diode is visually checked 1 Open the upper lid 2 With a disc not set turn on the S801 with a screwdriver having a thin tip as shown in Fig 1 ...

Page 4: ...tting a CD Cheking method 1 Make sure that the power is not turned on 2 Leave a solder bridge of the SL807 TEST on the MAIN board shorted 3 Turn the power on and then set a CD and play it with the X button on the remote commander x button on the set and remote commander All servos focus tracking sled off N buttons on the set and N knobs on remote commander Optical pick up movement outward or inwar...

Page 5: ...Y button on the remote commander and the C1 error rate display will be activated and the LCD on the remote commander will display as follows Note In the play state press the SOUND button on the remote com mander before pressing the PLAY MODE button Wrong order of button operations will result in very large Er value 6 Turn the power off 7 Open the solder bridges at the SL807 TEST on the MAIN board ...

Page 6: ...pplied remote control You cannot operate this CD player with the remote control supplied with other CD players qg x stop button pages 8 16 qk PLAY MODE button pages 10 12 16 qd Display pages 9 11 15 qj DISPLAY button pages 13 14 wd SOUND button page 14 qf Rotary control N play AMS search pages 8 12 AMS search pages 8 12 VOL Pull the control in the direction of the arrow and then turn it toward or ...

Page 7: ...M 3325ES Page 8 SET 3 guide L 2 screw M1 4 4 screw M1 4 1 Open the upper lid A sub assy 6 Remove the upper lid A sub assy in the direction of arrow A A 5 guide R Ver 1 1 Note To install screws tighten them with 0 4kg cm2 of torque If tighten them too hard portion may get cracked 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 ...

Page 8: ...3 3 CABINET UPPER SUB ASSY 3 4 MAIN BOARD OPTICAL PICK UP SECTION CDM 3325ES 6 spring upper lid 2702 5 battery terminal board relay 3 claw 2 three screws B2 2 four screws B2 1 screw B2 4 cabinet upper sub assy Note On installation of cabinet upper sub assy adjust the position of two switches S802 S803 and two knobs GPRO knob GPRO S802 3 claw 3 claw S803 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 ...

Page 9: ...r of the waveform can be clearly distinguished RF Signal reference Waveform Eye Pattern VOLT DIV 100 mV With the 10 1 probe in use TIME DIV 500 ns To watch the eye pattern set the oscilloscope to AC range and increase the vertical sensitivity of the oscilloscope for easy watch ing 5 Stop revolving of the disc motor by pressing the x button oscilloscope AC range MAIN board TP601 RF TP418 GND 2 k Ω ...

Page 10: ... 27 SCOR 104 2 3 24 1 18 19 20 11 13 15 21 74 72 17 C176 FOK R4M 40 HOLD 28 CLOSE XSOE WDCK SDTD SENS CLOK XLAT XSOE XIN GRSCOR FOK MSDTO SCOR MSDTI MSCK XLAT BUFFER IC405 SYNC 8 9 7 XRST DATA XLTCH CLK PWM 23 APWM XBRAK FG U1 V1 W1 COM U V W VG VG SPINDLE MOTOR DRIVER IC404 M902 SPINDLE FG FGSEL XDRVLT C HOLD OFF VCPU B SL806 OPEN VCPU B SYSTEM CONTROLLER IC801 1 3 SDTO SCK J L K SYNC 2 AXIS DEVI...

Page 11: ...L BEEPO_R 4 9 PW_SW MUTE_SW 17 BEEP 15 PW SW BEEP MUTE SW 18 SL807 TEST HPL HPR D F H E DOUT AOUTL AOUTR LRMU XRST MUTING Q303 SIGNAL PATH CD PLAY ANALOG OUT CD PLAY OPTICAL OUT 3 10 39 AVLS LIMIT NORM VCPU B S802 AVLS 38 ESP 2 1 VCPU B S803 G PROTECTION Page 10 Page 10 Page 10 Page 10 Page 10 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...

Page 12: ...CINMNT 33 EXTBATT 22 AD BATMNT 80 LEDDISP 29 PPG 70 AGCPWN SYSTEM CONTROLLER IC801 3 3 VCC1 VCC3 49 VDRAM 10 NC VCPU B VCC2 D801 CHARGE 66 XWAKE 8 RESET 37 XSTAND ON 7 BATVCC ON 76 CHGGND ON D405 D403 D404 RECHARGEABLE BATTERY NC 6WM 2PCS 2 4V J401 EXT BATT DC IN 4 5V VG CHARGE C POWER CONTROL IC403 2 2 VREF SAW GEN 60 BATM2 59 B SWITCH IC402 B SWITCH Q416 417 CHARGE CONTROL Q406 415 RIPPLE FILTER...

Page 13: ... voltage is dc 4 5V and fed with regulated dc power supply from DC IN jack J401 Voltages and waveforms are dc with respect to ground in no signal conditions no mark CD PLAY Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerance...

Page 14: ...11 L410 C444 L401 L408 L404 L402 L406 L409 C446 C422 FB404 FB405 R807 VDR804 FB803 D803 K A A D804 D408 A K SL806 OPEN C440 C401 C462 C464 FB202 FB102 FB302 C312 S806 S807 S805 S809 S808 D801 R819 X601 C208 C108 C310 C309 C306 L303 S802 S803 R418 C408 R417 C806 FB801 VDR801 VDR601 L604 C624 IC602 1 13 R635 26 14 FB602 C620 L602 FB601 C621 L413 C607 D601 C617 C107 D406 A K C450 L503 L501 L502 C616 ...

Page 15: ...line with mark 0 are critical for safety Replace only with part number specified Page 16 Page 17 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 16: ...Page 15 Page 17 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 17: ...aveforms Page 15 Page 16 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 18: ... the system controller IC801 L reset For several hundreds msec after the power supply rises L is output then it changes to H 17 FI2 I Sled servo drive signal input from the CXD3029R IC601 18 RI2 I Sled servo drive signal input from the CXD3029R IC601 19 FI3 I Not used fixed at L 20 RI3 I Not used fixed at L 21 FI4 I Tracking servo drive signal input from the CXD3029R IC601 22 RI4 I Tracking servo ...

Page 19: ...2L Connected to the inductor for power supply 2 VCPU 63 PGND2 Ground terminal for power supply 2 VCPU 64 L2H Connected to the inductor for power supply 2 VCPU 65 VIN I VIN input terminal for power supply 4 66 L4L Connected to the inductor for power supply 4 VAPC 67 PGND4 Ground terminal for power supply 4 VAPC 68 L4H Connected to the inductor for power supply 4 VAPC 69 VLGO4 O Power supply 4 VAPC ...

Page 20: ... 31 XWRE I D RAM write enable signal input terminal Not used open 32 R4M O System clock output to the system controller IC801 33 VSS0 Ground terminal digital system 34 SQCK I SQSO readout clock signal input terminal Not used fixed at H 35 SCLK I SENS serial data read clock signal input terminal Not used fixed at H 36 SQSO O CD text data output terminal Not used open 37 XEMP O D RAM read prohibitio...

Page 21: ...input terminal for broad band EFM PLL 78 VPCO O Charge pump output terminal for broad band EFM PLL 79 AVSS3 Ground terminal analog system 80 ASYO O EFM full swing output terminal 81 ASYI I Asymmetry comparator voltage input terminal 82 BIAS I Asymmetry circuit constant current input terminal 83 AVDD3 Power supply terminal analog system 84 RFAC I EFM signal input from the optical pick up 85 AVDD0 P...

Page 22: ...I L R sampling clock signal 44 1 kHz input terminal 108 PCMD O Serial data output terminal 109 PCMDI I Serial data input terminal 110 BCLK O Bit clock signal 2 8224 MHz output terminal 111 BCLKI I Bit clock signal 2 8224 MHz input terminal 112 DVDD Power supply terminal for D ARM interface 113 to 117 A3 to A0 A10 O Address signal output to the D RAM IC602 118 A11 O Address signal output terminal t...

Page 23: ... voltage detection signal input from the power control IC403 22 AD BATMNT I Battery voltage detection signal input and rechargeable battery use no use detection signal input 23 AD VCDKEY2 I Key input terminal Not used fixed at H 24 AD SEL I Plug in detection signal input of LINE OUT OPTICAL 25 AD KEY I Key input terminal A D input x CHARGE N VOL S805 to S809 keys input 26 AD RMKEY I Key input from...

Page 24: ...l output to the power control IC403 71 IR RMC I Not used fixed at L 72 FG FGSEL O FG pulse signal input from the spindle motor driver IC404 73 PGMSEL O Not used open 74 XDRVLT O Serial data latch pulse signal output to the spindle motor driver IC404 75 XPOWLT O Serial data latch pulse signal output to the power control IC403 76 CHGGND ON O Ground control signal output at the battery charge 77 HG X...

Page 25: ...t No Description Remark Ref No Part No Description Remark 1 X 3381 431 1 LID A SUB ASSY S UPPER SILVER 1 X 3381 432 1 LID A SUB ASSY L UPPER BLUE 1 X 3381 433 1 LID A SUB ASSY B UPPER BLACK 2 4 908 792 01 SCREW B2 3 4 908 792 61 SCREW B2 4 3 232 536 07 SCREW M1 4 EG 5 3 234 003 01 GUIDE L 6 3 234 004 01 GUIDE R 7 X 3380 951 1 LID ASSY BATTERY CASE SILVER JE 7 X 3380 952 1 LID ASSY BATTERY CASE SIL...

Page 26: ...89 01 TERMINAL BOARD CHARGE 53 3 233 988 01 TERMINAL BOARD CHARGE 54 A 3021 564 A MAIN BOARD COMPLETE EXCEPT FR 54 A 3021 687 A MAIN BOARD COMPLETE FR 55 3 222 300 02 TERMINAL BOARD BATTERY 56 3 222 301 02 TERMINAL BOARD BATTERY 57 3 831 441 99 CUSHION EXCEPT FR 59 3 234 106 01 INSULATOR 60 3 233 990 01 TERMINAL BOARD RELAY BATTERY 61 3 235 465 01 SPRING UPPER LID 2702 Ver 1 1 www xiaoyu163 com QQ...

Page 27: ... 62 SCREW B1 7X4 TAPPING 0102 X 3380 950 1 OPTICAL PICK UP DAX 25E 103 3 221 473 01 COVER GEAR 104 3 221 472 01 CHASSIS 105 3 221 474 01 SPRING SLED 106 A 3052 734 A FEED ASSY SCREW 107 3 221 268 01 GEAR B M901 A 3052 733 A MOTOR ASSY SLED M902 A 3052 735 A MOTOR ASSY TURN TABLE SPINDLE 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 1394...

Page 28: ...xample uA µA uPA µPA uPB µPB uPC µPC uPD µPD CAPACITORS uF µF COILS uH µH The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified When indicating parts by reference number please include the board C418 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C419 1 107 820 11 CERAMIC CHIP 0 1uF 16V C421 1 164 939 11 CERAMIC CHIP 0 0022uF 10 50V...

Page 29: ...19 422 37 DIODE MA8051 D307 8 719 422 37 DIODE MA8051 D401 8 719 081 83 DIODE CRG01 TE85L D403 8 719 081 83 DIODE CRG01 TE85L D404 8 719 081 83 DIODE CRG01 TE85L D405 8 719 071 87 DIODE MA785 TX SO D406 8 719 404 50 DIODE MA111 TX D407 8 719 072 70 DIODE MA2ZD14001S0 D408 8 719 081 83 DIODE CRG01 TE85L D601 8 719 083 04 DIODE RSB6 8STE61 D801 8 719 074 30 LED CL 190UR CD T CHARGE D803 8 719 056 66...

Page 30: ...208 927 11 METAL CHIP 47K 0 5 1 16W R422 1 208 927 11 METAL CHIP 47K 0 5 1 16W R423 1 208 927 11 METAL CHIP 47K 0 5 1 16W R424 1 216 864 11 METAL CHIP 0 5 1 16W R425 1 216 864 11 METAL CHIP 0 5 1 16W R426 1 216 864 11 METAL CHIP 0 5 1 16W R428 1 216 864 11 METAL CHIP 0 5 1 16W R429 1 218 977 11 RES CHIP 100K 5 1 16W R432 1 216 864 11 METAL CHIP 0 5 1 16W R435 1 218 975 11 RES CHIP 68K 5 1 16W R436...

Page 31: ...973 11 RES CHIP 47K 5 1 16W R820 1 218 989 11 RES CHIP 1M 5 1 16W R821 1 208 715 11 METAL CHIP 22K 0 5 1 16W SWITCH S801 1 762 078 11 SWITCH SLIDE HOLD S802 1 762 078 11 SWITCH SLIDE AVLS S803 1 762 078 11 SWITCH SLIDE G PROTECTION S804 1 762 805 41 SWITCH PUSH 1KEY OPEN S805 1 771 248 11 SWITCH TACTILE x CHARGE S806 1 771 248 11 SWITCH TACTILE N S807 1 771 248 11 SWITCH TACTILE S808 1 771 248 11 ...

Page 32: ...34 487 21 MANUAL INSTRUCTION ENGLISH E13 HK CH 3 234 487 31 MANUAL INSTRUCTION SIMPLIFIED CHINESE CH 3 234 488 11 MANUAL INSTRUCTION KOREAN KR 3 234 488 21 MANUAL INSTRUCTION RUSSIAN EE 3 234 488 31 MANUAL INSTRUCTION CZECH EE 3 234 488 41 MANUAL INSTRUCTION HUNGARIAN EE 3 234 488 51 MANUAL INSTRUCTION POLISH EE 3 234 488 61 MANUAL INSTRUCTION SLOVAKIAN EE 3 235 292 01 POUCH CARRYING 8 954 008 91 ...

Page 33: ...ng boards and schematic diagrams of new type and changed parts list are described in this supplement 1 Refer to original service manual for other information NEW FORMER TYPE DISCRIMINATION Former Type 1 682 611 11 New Type 1 682 611 12 MAIN BOARD Component Side 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 34: ... tolerance C panel designation A B Line Power voltage is dc 4 5V and fed with regulated dc power supply from DC IN jack J401 Voltages and waveforms are dc with respect to ground in no signal conditions no mark CD PLAY Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations ma...

Page 35: ...11 L410 C444 L401 L408 L404 L402 L406 L409 C446 C422 FB404 FB405 R807 FB803 D803 K A A D804 D408 A K SL806 OPEN C440 C401 C464 L101 L201 FB302 C312 S806 S807 S805 S809 S808 D801 R819 X601 C208 C108 C310 C309 C306 L303 S802 S803 R418 C408 R417 C806 FB801 VDR801 VDR601 L604 C624 IC602 1 13 R635 26 14 FB602 C620 L602 FB601 C621 L413 C607 D601 C617 C107 D406 A K C450 L503 L501 L502 C616 A K D407 C451 ...

Page 36: ... are critical for safety Replace only with part number specified Page 5 Page 6 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 37: ...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 38: ...GRAM MAIN Board 3 3 Page 4 Page 5 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 39: ... required for routine service Some delay should be anticipated when order ing these items SEMICONDUCTORS In each case u µ for example uA µA uPA µPA uPB µPB uPC µPC uPD µPD CAPACITORS uF µF COILS uH µH When indicating parts by reference number please include the board C417 1 107 820 11 CERAMIC CHIP 0 1uF 16V C418 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C419 1 107 820 11 CERAMIC CHIP 0 1uF 16V C421 ...

Page 40: ...7 DIODE MA8051 D401 8 719 081 83 DIODE CRG01 TE85L D403 8 719 081 83 DIODE CRG01 TE85L D404 8 719 081 83 DIODE CRG01 TE85L D405 8 719 071 87 DIODE MA785 TX SO D406 8 719 404 50 DIODE MA111 TX D407 8 719 072 70 DIODE MA2ZD14001S0 D408 8 719 081 83 DIODE CRG01 TE85L D601 8 719 083 04 DIODE RSB6 8STE61 D801 8 719 074 30 LED CL 190UR CD T CHARGE D803 8 719 056 66 DIODE 1SS378 TE85L D804 8 719 083 04 D...

Page 41: ...3 11 RES CHIP 47K 5 1 16W R419 1 218 990 11 SHORT 0 R420 1 208 943 11 METAL CHIP 220K 0 5 1 16W R421 1 208 927 11 METAL CHIP 47K 0 5 1 16W R422 1 208 927 11 METAL CHIP 47K 0 5 1 16W R423 1 208 927 11 METAL CHIP 47K 0 5 1 16W R424 1 216 864 11 METAL CHIP 0 5 1 16W R425 1 216 864 11 METAL CHIP 0 5 1 16W R426 1 216 864 11 METAL CHIP 0 5 1 16W R428 1 216 864 11 METAL CHIP 0 5 1 16W R429 1 218 977 11 R...

Page 42: ...5 1 218 989 11 RES CHIP 1M 5 1 16W R806 1 218 965 11 RES CHIP 10K 5 1 16W R807 1 216 864 11 METAL CHIP 0 5 1 16W R808 1 218 990 11 SHORT 0 R811 1 218 965 11 RES CHIP 10K 5 1 16W R812 1 218 990 11 SHORT 0 R813 1 218 977 11 RES CHIP 100K 5 1 16W R814 1 208 707 11 METAL CHIP 10K 0 5 1 16W R815 1 218 953 11 RES CHIP 1K 5 1 16W R816 1 218 955 11 RES CHIP 1 5K 5 1 16W R817 1 218 957 11 RES CHIP 2 2K 5 1...

Page 43: ...iaoyu163 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 44: ... 11 New 1 1 2002 01 Addition of French and East European models Change of MAIN board Suffix 12 Addition of the note about torque value to tighten screws for UPPER LID A SUB ASSY page7 in DISASSEMBLY SPM 01057 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 ...

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