Sony CD Walkman D-EJ855 Page 15 Service Manual Download | Manualshive

Page: 15 / 44

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D-EJ855

15

15

5-6.

SCHEMATIC DIAGRAM – MAIN Board (1/3) –

•

See page 13 for Waveforms.

•

See page 18 for IC Block Diagrams.

(Page 16)

The components identified by mark

0

or dotted

line with mark

0

are critical for safety.

Replace only with part number specified.

Les composants identifiés par une marque

0

sont

critiques pour la sécurité.

Ne les remplacer que

par une pièce portant le numéro spécifié.

(Page 17)

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Summary of Contents for CD Walkman D-EJ855

Page 1: ...Korean Tourist models 100 240 V 50 60 Hz Hong Kong model 220 V 50 60 Hz Chinese model 220 V 50 Hz Power requirements For the area code of the model you purchased check the upper left side of the bar code on the package Two Sony NC 6WM rechargeable batteries 2 4 V DC 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 ...

Page 2: ... VIEWS 6 1 Upper Lid Cabinet Upper Section 25 6 2 Cabinet Lower Section 26 3 4 Optical Pick up Section CDM 3325ES 27 7 ELECTRICAL PARTS LIST 28 This appliance is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra diati...

Page 3: ...g FOK remove the lead wire to disc motor RF signal P to P value 0 4 to 0 6 Vp p LASER DIODE AND FOCUS SEARCH OPERATION 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...

Page 4: ...pick up Do not move forcibly the optical pick up exceeding the most out side or most inside track 3 2 Case with Setting 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 focu...

Page 5: ...ote commander to make automatic adjustment 4 Press the PLAY MODE button on the remote commander 5 Press the DISPLAY 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...

Page 6: ...l Note Use only the supplied remote control You cannot operate this CD player with the remote control supplied with other CD players qf x stop button pages 8 16 qj PLAY MODE button pages 10 12 qs Display pages 9 11 15 qh DISPLAY button pages 13 14 ws SOUND button page 14 qd 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...

Page 7: ...Y FLOW 3 2 UPPER LID M SUB ASSY Page 7 3 3 CABINET UPPER SUB ASSY Page 8 3 4 MAIN BOARD OPTICAL PICK UP SECTION CDM 3325ES Page 8 SET 3 guide L 2 screw M1 4 4 screw M1 4 1 Open the upper lid M sub assy 6 Remove the upper lid M sub assy in the direction of arrow A A 5 guide R Note To install screws tighten them with 0 4 kg cm2 of torque If tighten them too hard portion may get cracked Ver 1 1 ...

Page 8: ...djust the position of two switches S802 S803 and two knobs GPRO knob GPRO S802 3 claw 3 claw S803 4 cabinet lower assy 6 main board 1 cushion 5 flexible board CN503 7 two insulators 7 insulator 8 optical pick up section CDM 3325ES 1 cushion 2 two connectors CN501 CN502 3 Hold up both the main board and the optical pick up section at once and remove them from the cabinet lower assy Note Handle the ...

Page 9: ...Press the N button 4 Check the oscilloscope waveform is as shown below A good eye pattern means that the diamond shape in the center 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 ea...

Page 10: ...US TRACKING FI2 RI2 FI1 RI1 FI4 FI4 FO2 RO2 FO1 RO1 FO4 RO4 FOCUS TRACKING COIL DRIVER SLED MOTOR DRIVER IC403 1 2 26 24 22 32 23 20 21 9 12 16 14 15 18 17 11 PREDRIVER 102 MDS 103 MDP 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 X...

Page 11: ...ICAL TRANSCEIVER 31 TSB VCPU 2V TSB RMKEY GND J302 i S805 809 4 3 2 1 VCPU B IN_L IN_R HEADPHONE AMP IC301 13 12 OUT_L OUT_R BEEPO_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 1...

Page 12: ...RS1 CHGSW VIN DCIN VCC3 75 VCC2 74 DTC2 53 LATCH WAKE VLGO2 BATM1 CHGMNT BATM2 CHGMNT VLGO4 VLGO2 VLG3 VG L5 9 8 VG L5 BATM1 RSTB 75 XPOWLT 21 AD CHGMNT 27 AD DCINMNT 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 7 BATVCC ON 76 CHGGND ON D405 D403 RECHARGEABLE BATTERY NC 6WM 2PCS 2 4V J401 EXT BATT ...

Page 13: ...fied indicates 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 aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage ...

Page 14: ...8 C812 R821 R620 C615 R623 C608 R621 C457 R471 R470 C456 R468 R467 C447 R301 R302 C501 R478 R479 R477 C433 C466 C432 R439 C425 C426 L405 L403 L411 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...

Page 15: ...C Block Diagrams Page 16 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Les composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié Page 17 ...

Page 16: ...D EJ855 16 16 5 7 SCHEMATIC DIAGRAM MAIN Board 2 3 See page 13 for Waveform Page 15 Page 17 ...

Page 17: ...D EJ855 17 17 IC801 T5AJ4 3HE0 5 8 SCHEMATIC DIAGRAM MAIN Board 3 3 See page 13 for Waveforms Page 16 Page 15 ...

Page 18: ...ata input from the system controller IC801 15 LATCH I Serial data latch pulse signal input from the system controller IC801 16 RSTB O System reset signal output to 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 C...

Page 19: ... terminal 60 BATM1 I Upper rechargeable battery minus terminal 61 VLGO2 O Power supply 2 VCPU output terminal 62 L2L 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 termina...

Page 20: ...or external control signal input terminal Not used open 30 XQOK I Subcode Q OK signal input terminal Not used open 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...

Page 21: ...output for master PLL 76 CLTV I VCO1 control voltage input terminal for multiplier 77 VCTL I VCO2 control voltage 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 te...

Page 22: ...VDD1 Power supply terminal digital system 106 LRCK O L R sampling clock signal 44 1 kHz output terminal 107 LRCKI 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 inter...

Page 23: ...ndle motor driver IC404 and CXD3029R IC601 19 20 VCPU Power supply terminal 21 AD CHGMNT I Battery charge 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 ...

Page 24: ...al 67 PGMSO O Not used open 68 PGMSI I Not used open 69 PGMSCK O Not used open 70 AGCPWM O AGC control pulse signal 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 ...

Page 25: ...d by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Ref No Part No Description Remark Ref No Part No Description Remark 1 X 3381 426 1 LID M SUB ASSY W UPPER WHITE 1 X 3381 427 1 LID M SUB ASSY L UPPER BLUE 1 X 3381 428 1 LID M SUB ASSY D UPPER ORANGE 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...

Page 26: ...OWER ASSY NW K LIGHT GRAY BLUE WHITE KR 51 X 3381 166 2 CABINET LOWER ASSY NG K DARK GRAY BLUE ORANGE KR 54 A 3021 563 A MAIN BOARD COMPLETE EXCEPT FR 54 A 3021 686 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 UPPE...

Page 27: ... B 108 3 221 475 01 SHAFT STANDARD 109 3 222 298 01 RACK 110 3 222 299 01 SPRING RACK RETAINER 111 3 348 998 81 SCREW M1 4 M901 A 3052 733 A MOTOR ASSY SLED M902 A 3052 735 A MOTOR ASSY TURN TABLE SPINDLE 101 103 111 110 106 109 108 105 107 101 104 102 M901 M902 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part num ber specified Les compo...

Page 28: ...ms SEMICONDUCTORS In each case u µ for example uA µA uPA µPA uPB µPB uPC µPC uPD µPD CAPACITORS uF µF COILS uH µH 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 C422 1 104 752 11 TANTALUM CHIP 33uF 20 6 3V C423 1 107 820 11 CERAMIC CHIP 0 1uF 16V C424 1 110 569 21 TANTALUM CHIP 47uF 20 4V C425 1 109 982 11 CERAMI...

Page 29: ...IF 15P DIODE D303 8 719 422 37 DIODE MA8051 D304 8 719 422 37 DIODE MA8051 D305 8 719 422 37 DIODE MA8051 D306 8 719 422 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 ...

Page 30: ...18 1 218 973 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 2...

Page 31: ... 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 SWITCH TACTILE VOL S809 1 771 248 11 SWITCH TACTILE VOL VARISTOR VDR101 1 801 862 11 VARISTOR CHIP V...

Page 32: ...61 MANUAL INSTRUCTION PORTUGUESE AEP 3 234 489 71 MANUAL INSTRUCTION GERMAN AEP 3 234 489 81 MANUAL INSTRUCTION ITALIAN AEP 3 234 489 91 MANUAL INSTRUCTION FINNISH AEP 3 234 490 11 MANUAL INSTRUCTION TRADITIONAL CHINESE E13 HK TW 3 234 490 21 MANUAL INSTRUCTION ENGLISH E13 HK TW CH 3 234 490 31 MANUAL INSTRUCTION SIMPLIFIED CHINESE CH 3 234 491 11 MANUAL INSTRUCTION KOREAN KR 3 234 491 21 MANUAL I...

Page 33: ... Australian Model Chinese Model Tourist Model In this set MAIN board has been changed in the midway of production Printed wiring 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 ...

Page 34: ... less unless otherwise specified indicates tolerance C panel designation A B Line Power voltage is dc 4 5 V 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 take...

Page 35: ...2 R821 R620 C615 R623 C608 R621 C457 R471 R470 C456 R468 R467 C447 R301 R302 C501 R478 R479 R477 C433 C466 C432 R439 C425 C426 L405 L403 L411 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 ...

Page 36: ... Page 5 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Les composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié Page 6 ...

Page 37: ...D EJ855 5 5 SCHEMATIC DIAGRAM MAIN Board 2 3 Page 4 Page 6 ...

Page 38: ...D EJ855 6 6 FR IC801 T5AJ4 3HE0 R821 22k 0 5 EXCEPT FR 68k 0 5 FR R822 100k 0 5 SCHEMATIC DIAGRAM MAIN Board 3 3 Page 5 Page 4 ...

Page 39: ...m resistor METAL OXIDE Metal oxide film resistor F nonflammable Items marked are not stocked since they are seldom 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 C417 1 107 820 11 CERAMIC CHIP 0 1uF 16V C418 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V...

Page 40: ...8051 D304 8 719 422 37 DIODE MA8051 D305 8 719 422 37 DIODE MA8051 D306 8 719 422 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 DIO...

Page 41: ... 218 990 11 SHORT 0 R416 1 216 298 00 METAL CHIP 2 2 5 1 10W R417 1 218 961 11 RES CHIP 4 7K 5 1 16W R418 1 218 973 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 META...

Page 42: ...218 977 11 RES CHIP 100K 5 1 16W R803 1 218 941 81 RES CHIP 100 5 1 16W R804 1 218 965 11 RES CHIP 10K 5 1 16W R805 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...

Page 43: ...11 D EJ855 MEMO ...

Page 44: ... page Ver Date Description of Revision 1 0 2001 11 New 1 1 2002 01 Addition of French model Change of MAIN board Suffix 12 Addition of the note about torque value to tighten screws for UPPER LID M SUB ASSY page 7 in DISASSEMBLY SPM 01057 1 2 2002 09 Addition of Ref No 108 109 110 111 on EXPLODED VIEWS SPM 02039 1 3 2003 11 Correction of Part No for Ref No 107 on EXPLODED VIEWS SPM 03056 ...

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