Sony D-EJ1000 - Portable Cd Player Service Manual Download Page 12

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D-EJ1000

5-3. BLOCK DIAGRAM – POWER SUPPLY SECTION –

AVDD

CONSTANT VOLTAGE
CHARGING BATTERY

CHARGE CIRCUIT

CHARGING BATTERY
VOLTAGE DETECTOR

Q418

B+

SWITCH

Q403

CHARGE

SWITCH

Q406, 415

CHARGE

CONTROL

Q421, 422

B+

SWITCH

Q405

RIPPLE

FILTER

Q412

CHARGE GND

SWITCH

Q407

STAND ON

DETECT

Q414

EXTERNAL BATTERY

DETECT

MSDTO

MSCK

SYNC

VCC1 2V

VCPU 2V

VCC2

D801

VCC3

D405

D403

RECHARGEABLE

BATTERY

NH-14WM

2PCS. 2.4V

SPINDLE MOTOR

DRIVER (IC404) 3V

DC IN 4.5V

–

J401 (1/2)

J401 (2/2)

EXT BATT

IC403 (2/2)

POWER CONTROL

78 RF3

SAW
GEN.

Q416
BATT

SWITCH

Q417

SWITCH

Q419

SWITCH

Q420

SWITCH

D404

D802

(CHARGE STAND)

CHARGE

(CHARGE)

D401

Summary of Contents for D-EJ1000 - Portable Cd Player

Page 1: ... 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 NH 14WM A rechargeable batteries 2 4 V DC Two LR6 size AA batteries 3 V DC AC power adaptor DC IN 4 5 V jack U U2 CA2 E92 MX2 TW2 BR3 model 120 V 60 Hz CED CET CEW CEX CE7 EE EE1 E13 G5 G6 G7 G8 BR1 model 220 230 V 50 60 Hz CEK 3CE7 model 230 240 V 50 Hz AU2 model 240 ...

Page 2: ...ug TABLE OF CONTENTS 1 SERVICING NOTE 3 2 GENERAL 6 3 DISASSEMBLY 7 4 ELECTRICAL CHECKING 9 5 DIAGRAMS 9 5 1 Block Diagram Main 1 2 Section 10 5 2 Block Diagram Main 2 2 Section 11 5 3 Block Diagram Power Supply Section 12 5 4 Printed Wiring Board Main Board 13 5 5 Schematic Diagram Main Board 1 3 14 5 6 Schematic Diagram Main Board 2 3 15 5 7 Schematic Diagram Main Board 3 3 16 5 8 IC Pin Functio...

Page 3: ...ed separately before replacing the optical pick up block Note and specifications required to check are given below FOK output IC601 yg pin When checking 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 turn...

Page 4: ...de The following confirmations can be performed by operating buttons on the CD player or the remote control or Rotary control Operation when a CD is not placed in the CD player B button the CD player or B Rotary control the remote control Motion of the optical pick up to outside or inside Tracking Sled servo off Note Be sure to keep your eyes apart from the direct emission of the Laser diode Do no...

Page 5: ...e other Service Mode by turning off the power 2 After turning on the power set a CD in the player Then press X button the remote control Remote control LCD display 3 Set the automatic servo adjustment by pressing SOUND button the remote control 4 Press PLAY MODE button the remote control Remote control LCD display Up0000 010001 040004 1 time 4 times 0000 010001 5 C1 error rate display mode is acti...

Page 6: ...tment CD player rear q G PROTECTION switch 5 AMS search N AMS search play buttons The button has a raised dot to help you operate the CD player by touch Remote control Note Use only the supplied remote control You cannot operate this CD player with the remote control supplied with other CD players qg x stop button qk PLAY MODE button qd Display qj DISPLAY button wd SOUND button qf Rotary control N...

Page 7: ...er section MAIN board Optical pick up section CDM 3325ES Note Disassemble the unit in the order as shown below Note Follow the disassembly procedure in the numerical order given 3 1 UPPER LID SECTION 3 guide L 1 screw M1 4 2 screw M1 4 5 upper lid block assy 4 guide R ...

Page 8: ...screws B2 3 three claws 5 battery terminal board relay 6 spring upper lid 3 claw 3 two claws 2 screw B2 4 cabinet upper block assy 1 two stopper cusions 2 connector 4P CN501 3 connector 2P CN502 stopper cusion The cautions at the time of attachment 5 CDM 3325ES 4 flexible board CN503 6 MAIN board ...

Page 9: ...on the pattern face side seen from Side A the pattern face are indicated Parts face side Parts on the parts face side seen from Side B the parts face are indicated Note on Schematic Diagram All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified indicates tolera...

Page 10: ...FDR FRDR 98 97 17 18 40 41 21 22 34 32 38 36 26 24 TFDR TRDR SLED MOTOR FOCUS TRACKING FI2 RI2 FI1 RI1 FI4 RI4 FO2 RO2 FO1 RO1 FO4 RO4 IC403 1 2 FOCUS TRACKING COIL DRIVER SLED MOTOR DRIVER M 26 24 22 32 65 23 20 21 9 12 16 14 15 18 17 11 PREDRIVER 102 MDS 103 MDP 27 SCOR 104 23 2 24 1 18 19 20 11 13 15 21 74 72 17 C176 FOK R4M 77 HG XSTB 78 HG GUP 40 HOLD 28 CLOSE XSOE WDCK SDTO SENS CLOK XLAT XS...

Page 11: ...STEM CONTROLLER VCC3 LINE OUT JACK J301 LINE OUT OPTICAL OPTICAL TRANSMITTER 31 TSB VCPU 2V TSB RMKEY GND J302 i HEAD PHONE S805 809 S805 4 3 2 1 VCPU 2V NORM LIMIT S802 AVLS VCPU 2V IN_L IN_R IC301 HEADPHONE AMP 13 12 OUT_L OUT_R BEEPO_L BEEPO_R 4 9 PW_SW MUTE_SW 17 BEEP IN 18 PW SW BEEP MT SW 16 SL807 TEST HPL HPR G K I J H DOUT AOUTL AOUTR LRMU XRST Q303 MUTING VCPU2V 1 G PROTECTION S803 3 10 S...

Page 12: ...DATA CLOCK DATA CLOCK VLGO4 SYNC 14 13 69 6 5 3 12 16 51 15 57 53 2 56 61 50 7 73 58 11 MSDTO MSCK PD 66 LD D F E B A SYNC DTC2D DTC1D INP1 INP2 RS1 DC IN V IN VCC3 RF1 INM1 RS1 CHGSW V IN DC IN VCC3 LATCH DTC2D STNG WAKE VLGO2 BATM1 BATM2 BATM2 CHGMNT CHGMNT VLGO4 VLGO2 VLG3 VG L5 9 8 VG L5 BATM1 RSTB XWAKE 8 RESET 75 XPOWLT 7 BATVCC ON 21 AD CHGMNT1 27 AD DCINMNT 33 EXBATT 29 EXTVCC1 37 XSTAND O...

Page 13: ...P BLOCK DAX 25E MAIN BOARD SIDE A MAIN BOARD SIDE B HOLD J302 S801 AVLS S802 G PROTECTION S803 E B C S806 S807 S805 D801 CHARGE CN502 Q419 Q418 C445 B C D E F G H I J K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A Ref No Location D303 I 6 D304 I 6 D305 H 6 D306 H 6 D307 H 6 D401 J 2 D403 B 5 D404 J 4 D405 I 4 D406 D 11 D407 E 10 D408 I 12 D801 E 9 D802 H 12 D803 G 12 D804 H 12 D805 H 12 IC301 G 7 IC40...

Page 14: ...14 14 D EJ1000 5 5 SCHEMATIC DIAGRAM MAIN BOARD 1 3 See page 9 for Wavefoms and IC Block Diagram IC B D ...

Page 15: ...15 15 D EJ1000 5 6 SCHEMATIC DIAGRAM MAIN BOARD 2 3 ...

Page 16: ...16 16 D EJ1000 5 7 SCHEMATIC DIAGRAM MAIN BOARD 3 3 See page 9 for Wavefoms ...

Page 17: ...rse signal input the driver 2 Forward signal input the driver 3 Not used connected to ground Reverse signal input the driver 3 Not used connected to ground Forward signal input the driver 4 Reverse signal input the driver 4 Power supply the driver 4 Reverse signal output the driver 4 Ground the driver 4 Forward signal output the driver 4 Power supply the driver 3 and 4 Reverse signal output the dr...

Page 18: ...minal of the upper rechargeable battery Output of the power supply 2 VCPU 2 0V standard Coil connection terminal H Power supply 2 VCPU Ground of the power supply 2 VCPU Coil connection terminal L Power supply 2 VCPU VIN input of the power supply 4 3 3V at AC adaptor use Non charging mode Coil connection terminal H Power supply 4 VAPC Ground of the power supply 4 VAPC Coil connection terminal L Pow...

Page 19: ...signal output to CPU Latch signal input from CPU CPU serial data output enable signal input Mute signal input H mute Word clock output f 2Fs Output a high signal when either subcode sync S0 or S1 is detected System reset L reset Spindle motor external control input Not used open Subcode Q OK signal input Not used open DRAM write enable signal input Not used open Clock output for Microcomputer Grou...

Page 20: ...rror signal I O Not used open Track count signal I O Not used open C2PO signal output Not used open GFS signal output Not used open XUGF signal output Not used open XPCK signal output Not used open Power supply digital Master PLL charge pump output Master PLL filter input Master PLL filter output slave digital PLL Multiplier VCO1 control voltage input Wide band EFM PLL VCO2 control voltage input W...

Page 21: ... A10 A11 A12 A13 Description Power supply digital D A interface LR clock output f Fs D A interface LR clock input D A interface Serial data output D A interface Serial data input D A interface Bit clock output D A interface Bit clock input Power supply DRAM interface DRAM address bus 3 0 DRAM address bus 10 DRAM address bus 11 Not used open Test pin Not used open ...

Page 22: ...the spindle motor driver IC404 and CXD3029R IC601 Serial data transfer clock output to the power control the spindle motor driver and CXD3029R Power supply 2V Battery charging voltage detection signal input from the power control IC403 Battery voltage detection signal input Key input terminal Not used fixed at H LINE OUT OPTICAL OUT plug in detection signal input Key input from S805 to S809 x VOLU...

Page 23: ...e spindle motor driver IC404 Latch signal output to the power control IC403 Ground control signal output at charging the rechargeable battery Hologram control signal output L stop Gain control signal output for a CD RW H gain up Reset signal output to the headphone amplifier IC301 the spindle driver IC404 and CXD3029R IC601 CHG HOLD LED D801 ON OFF control signal output L light on ...

Page 24: ...dentified 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 Ref No Part No Description Remarks Ref No Part No Description Remarks b a cabinet lower section a 1 2 3 b 4 5 5 6 7 8 12 8 9 10 11 11 6 1 UPPER LID CABI...

Page 25: ...BINET LOWER ASSY EXCEPT KR 52 X 3381 075 1 CABINET LOWER ASSY KR 53 A 3021 527 A MAIN PC BOARD ASSY EXCEPT FR 53 A 3021 528 A MAIN PC BOARD ASSY FR 54 3 233 988 01 TERMINAL BOARD CHARGE 55 3 233 989 01 TERMINAL BOARD CHARGE 56 3 234 106 01 INSULATOR 57 3 577 414 01 CUSHION STOPPER 58 3 233 990 01 TERMINAL BOARD RELAY BATTERY 59 3 233 991 01 SPRING UPPER LID 60 3 238 747 01 SHEET HOLD ELECTROSTATIC...

Page 26: ... SCREW B1 7X4 TAPPING 0102 X 3380 950 1 OPTICAL PICK UP DAX 25E 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 103 A 3013 917 A OPTICAL PICK UP ASSY CDM 3325ES ...

Page 27: ...HIP 10uF 20 00 6 3V C309 1 216 864 11 METAL CHIP 0 5 1 16W C310 1 216 864 11 METAL CHIP 0 5 1 16W C311 1 125 777 11 CERAMIC CHIP 0 1uF 10 00 10V C312 1 125 777 11 CERAMIC CHIP 0 1uF 10 00 10V C313 1 164 936 11 CERAMIC CHIP 680PF 10 00 10V C401 1 104 852 11 TANTAL CHIP 22uF 20 00 10V C403 1 115 156 11 CERAMIC CHIP 1uF 10V C404 1 115 156 11 CERAMIC CHIP 1uF 10V C405 1 107 820 11 CERAMIC CHIP 0 1uF 1...

Page 28: ... 785 877 21 HOUSING CONNECTOR 4P CN502 1 784 342 21 HOUSING CONNECTOR 2P CN503 1 815 832 21 CONNECTOR FFC FPC ZIF 15P DIODE D303 8 719 422 37 DIODE MA8051 TX D304 8 719 422 37 DIODE MA8051 TX D305 8 719 422 37 DIODE MA8051 TX D306 8 719 422 37 DIODE MA8051 TX D307 8 719 422 37 DIODE MA8051 TX D401 8 719 081 83 DIODE CRS03 TE85L D403 8 719 081 83 DIODE CRS03 TE85L D404 8 719 081 83 DIODE CRS03 TE85...

Page 29: ...IP 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 1 218 965 11 RES C...

Page 30: ...1 VARISTOR CHIP VDR202 1 801 923 11 VARISTOR CHIP VDR301 1 801 862 11 VARISTOR CHIP VDR401 1 801 923 11 VARISTOR CHIP VDR403 1 801 862 11 VARISTOR CHIP VDR601 1 801 862 11 VARISTOR CHIP VDR801 1 801 862 11 VARISTOR CHIP VDR803 1 801 862 11 VARISTOR CHIP VIBRATOR X601 1 795 003 11 VIBRATOR CRYSTAL 16 9344MHz ACCESSORIES 0 1 475 622 21 ADAPTOR AC AC E455 CH 1 476 395 11 REMOTE CONTROL UNIT 0 1 476 7...

Page 31: ...31 D EJ1000 MEMO ...

Page 32: ...TORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 10 New ...

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