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D-EJ119/EJ120/EJ121

US Mpdel

Canadian Mode

D-EJ120

AEP Model

D-EJ119/EJ120

E Model

D-EJ120/EJ121

Australian Model

D-EJ121

SERVICE MANUAL

PORTABLE CD PLAYER

Sony Corporation

Personal Audio Group

Published by Sony Engineering Corporation

9-879-350-04

2005D02-1

© 2005.04

SPECIFICATIONS

Ver. 1.3  2005.04

Photo : D-EJ121

Model Name Using Similar Mechanism

D-EJ100/EJ101/EJ101CK/EJ106CK

CD Mechanism Type

CDM-3325ERV

Optical Pick-up Name

DAX-25EV

System

Compact disc digital audio system

Laser diode properties

Material: GaAlAs
Wavelength: 

λ

 = 780 nm

Emission duration: Continuous
Laser output: Less than 44.6 

µ

W (This output is the value measured at a

distance of 200 mm from the objective lens surface on the optical pick-up
block with 7 mm aperture.)

Power requirements

• Two LR6 (size AA) batteries: 1.5 V DC x 2
• AC power adaptor (DC IN 4.5 V jack):
  220 V, 50 Hz (Model for China)
  120 V, 60 Hz (Model for Mexico)

Dimensions (w/h/d) (without projecting parts and controls)

Approx. 135.8 x 28.2 x 135.8 mm (5 

3

8

 x 1 

1

8

 x 5 

3

8

 in.)

Mass (excluding accessories)

Approx. 180 g (6.4 oz)

Operating temperature

5

°

C - 35

°

C (41

°

F - 95

°

F)

Supplied Accessories

D-EJ119

D-EJ120

D-EJ121

AC power

a

*

1

a

*

1,

 *

2

a

adaptor (1)

Headphones/

a

a

a

earphones (1)

Remote control (1)

 –

a

*

3

a

*1 Not supplied with U.K. model
*2 Not supplied with US, Latin American and Canadian models
*3 Supplied with European, Canadian and Latin American models

Design and specifications are subject to change without notice.

Summary of Contents for Walkman D-EJ119

Page 1: ...s the value measured at a distance of 200 mm from the objective lens surface on the optical pick up block with 7 mm aperture Power requirements Two LR6 size AA batteries 1 5 V DC x 2 AC power adaptor DC IN 4 5 V jack 220 V 50 Hz Model for China 120 V 60 Hz Model for Mexico Dimensions w h d without projecting parts and controls Approx 135 8 x 28 2 x 135 8 mm 5 3 8 x 1 1 8 x 5 3 8 in Mass excluding ...

Page 2: ...EW DIRECTLY WITH OPTICAL INSTRUMENTS CLASS 1M INVISIBLE LASER RADIATION WHEN OPEN DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS Notes on the AC power adaptor Use only the supplied AC power adaptor Do not use any other AC power adaptor Connect the AC power adaptor to an easily accessible AC outlet Should you notice an abnormality in the AC power adaptor disconnect it from the AC outlet immediately ...

Page 3: ... the laser diode is prohibited unless the upper lid is closed while turning ON the S809 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 S809 with a screwdriver having a thin tip as shown in Fig 1 3 Press the u button 4 Observing the objective lens check that ...

Page 4: ...2 GENERAL This section is extracted from instruction manual The button has a tactile dot Display 4 2 u 1 SOUND 6 P MODE 7 DISPLA Y MENU DC IN 4 5 V external power input jack i headphones jack 5 x 3 HOLD rear Strap hole 8 VOL A OPEN ...

Page 5: ...following procedure 3 3 CD MECHANISM DECK CDM 3325ERV MAIN BOARD Page 6 SET 3 2 UPPER LID ASSY CABINET UPPER ASSY CABINET LOWER ASSY Page 5 3 4 MOTOR ASSY SLED M901 OPTICAL PICK UP DAX 25EV TURN TABLE MOTOR ASSY SPINDLE M902 Page 7 HOW TO SET THE HARNESS IN ASSEMBLING Page 6 4 tow screws upper lid assy cabinet upper assy cabinet lower assy 5 claw 7 CN802 3 five screws 1 6 2 5 claw 5 claw 3 1 DISAS...

Page 6: ...6 D EJ119 EJ120 EJ121 3 3 CD MECHANISM DECK CDM 3325ERV MAIN BOARD 1 CN601 2 CN401 3 CN402 6 MAIN board CD mechanism deck CDM 3325ERV 4 5 HOW TO SET THE HARNESS IN ASSEMBLING CN402 harness CN401 ...

Page 7: ...ASSY SLED M901 OPTICAL PICK UP DAX 25EV TURN TABLE MOTOR ASSY SPINDLE M902 6 2 4 9 5 motor assy sled M901 1 three screws B1 7x4 chassis 8 three screws B1 7x4 q turn table motor assy spindle M902 7 optical pick up DAX 25EV 3 gear cover ...

Page 8: ...e test points TP601 RF and TP605 AGND on the MAIN board 2 Set a disc YEDS 18 3 Press the u 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 oscillosco...

Page 9: ...6 SCOR_I 11 FOK_I 6 XIN 2 GFS_I 71 XRESET_O 76 XPOWLT_O 14 52 XBUSY_O XBUSY_I 7 AD_KEY_2 23 39 DATA 38 CLOCK 40 LATCH 35 MUTE 30 BEEP_O 74 AMUTE_O 12 HPSW_O 26 AD_RMKEY LIN 14 RIN 15 8 LOUT HEADPHONE AMP IC301 MUTE 19 BEEP 17 PWRSW 20 6 ROUT VCPU EJ120 EXCEPT US E EJ121 4E18 MX EXCEPT US CND US CND 56 42 60 57 SEG0 SEG14 COM0 COM3 K2_RM 33 25 STNG 20 VCC 16 VCCO REGB 61 DCIN 53 VM1 5 SPVCC2 1 SPVC...

Page 10: ...4 C428 D407 C415 C441 R434 C427 L411 D409 R439 R444 Q403 D404 E E E E E S809 FB302 R322 C107 CN 60 1 R104 CL305 R204 C317 C104 C204 R103 R603 R605 R604 R602 D304 R650 R203 R102 R201 R202 C201 C101 C207 OPEN R101 OPTICAL PICK UP DAX 25EV M901 SLED MOTOR M902 SPINDLE MOTOR LCD801 LIQUID CRYSTAL DISPLAY and KEY MATRIX MAIN BOARD SIDE A EJ120 EXCEPT US E EJ121 4E18 MX 11 11 1 864 384 2 3 4 5 6 7 8 A 1...

Page 11: ...662 R628 CL635 CL623 CL621 CL620 TP605 AGND TP607 TP608 TP613 TP614 TP601 RF TP603 TP602 CL609 CL601 CL606 CL604 CL611 TP406 CL610 CL612 TP410 IC301 1 12 24 13 TP301 TP101 D303 TP823 TP411 TP822 C409 C429 C433 C423 C425 C450 C413 C422 S803 S802 J401 C421 C426 C410 D403 C418 C419 C420 TP408 TP306 D302 R313 FB301 D306 EJ120 EXCEPT US E EJ121 4E18 MX EJ119 EJ120 EXCEPT US CND E EXCEPT US CND D301 D20...

Page 12: ... D2 D3 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 XRAS XCAS A10 XWE OPEN HOLD RMKEY OPGSW OPSTB F T T F CLK4M J XBUSY FOK GFS D2 D3 A4 A5 A6 A7 A8 XCAS SRW AMUTE BEEP A0 A1 A2 A3 D1 XRAS XWE A9 D0 AVSS2 RLINO RLINI RDACO VCDACO LDACO LLINI LLINO AVDD2 2 25V MUTE DVDDIO 2 0V XIN XOUT DVSSIO DVDD 1 5V SCOR XRST POFF DVSSIO SCLK SRW SDIN SDOUT A3 A2 A1 A0 A4 A5 A6 A7 A8 A9 XRAS XWE D1 D2 XCAS DVSSIO2 SDOP SDON TD...

Page 13: ... XBUSY FOK CLK4M J GFS FG PGM SEL PGM SEL PGM SCK PGM SCK PGM SDTI PGM SDTI PGM SDTO PGM SDTO RESET2 RESET2 CLK4M J CLK4M J VOL VOL AMUTE XRST POFF OPSTB OPGSW CHGMNT DCINMNT HOLD OPEN RMKEY VOL VOL BEEP KEY 1 KEY 2 COM0 COM0 COM1 COM2 COM3 SEG0 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 COM COM COM SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SE...

Page 14: ...V RB160M 30TR MA2YD2300LS0 KDS160 RTK RB160M 30TR KDS160 RTK KDS160 RTK RSB6 8STE61 BH6580KV 2SB1115A YQ SWITCH 2SC4154 F SWITCH KTA2015Y RTK SWITCH 2SA1602 F SWITCH KTC4075YGR RTK DEFFERENTIAL 0 1 0 01 PWM BUS 1 BUS 3 VIN VCC1 VCC2 VCPU D GND A GND COMP BATMNT VCC4 GND 2 BUS 2 SYNC D AU GND BUS 5 POWERLT RESET SDTO SCK XWAKEUP FG XRST CHGMNT DCINMNT CPOL FIN FIN TIN TIN SIN SIN F T F T DCIN REGB ...

Page 15: ...tage variations may be noted due to normal production toler ances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal production toler ances Circled numbers refer to waveforms Signal path J CD Abbreviation CND Canadian model EE East European model E18 Without remote control model 4E18 With remote control model EA Saudi Arabia model AUS Australian model MX Mexican ...

Page 16: ...C VM VG VCC VG VCC2 VCC4 CLK SAWGEN CHARGE 78 77 80 VI 79 UI WI 75 CSL2 76 CSL1 COM 74 FG 72 PWM 71 PREGND 70 BRK 73 SOFTPWM 68 BATM1 67 CHGMNT 69 BATM2 65 CHGB 64 DCIN S 63 DET 66 VMMNT 61 DCIN 2 1 U_OUT SPVCC 3 SPGND 4 V_OUT 13 12 DSW VIN 11 10 VCC3 SSW 14 POWGND 15 USW 5 SPVCC 16 VCC0 17 VCC1 18 VCC2 19 VCPU 20 VCC 6 W_OUT 7 SPGND 9 VG 8 LG 23 24 SEM SEP 22 SEO 21 GSW 31 SLOW 32 SOFT 33 PREGND ...

Page 17: ... VCDACO 41 DOCKI SBDAT 42 DVSS2 43 SBSY 44 RSTB 45 PDWNB 46 DVSSIO1 47 SCLK 48 SRW 49 SDIN 50 SDOUT 31 LDACO 32 LLINI 34 AVDD2 33 LLINO 74 75 FDON FDOP 73 CLVOP 72 CLVON 63 64 FLAG4 LRCKI DEFECT 65 66 FOK C2FX 62 FLAG3 DOUTAI 61 FLAG2 LRCKO 71 CLKDRV 60 FLAG1 DOUTAO 59 FLAG0 DOCKO 58 TEST 57 N C 56 N C 55 N C 54 N C 53 CLK4M 52 BUSYB 51 DVDD2 70 SYNC 69 EXPLCK 67 EFM YFLG 68 TEST_B 99 100 A2 A3 98...

Page 18: ...REF Analog reference voltage for A D converter 21 AD_SEL I Test mode detection input 22 AD_CHGMNT I Charging monitor input 23 AD_KEY_2 I Key input 24 AD_BATTMNT I Battery voltage monitor input 25 WP AD_KEY_1 I Set s key detection input 26 WP AD_RMKEY I Remocon s key detection input 27 AD_DCINMNT I DC voltage monitoring input 28 WP XOPEN I OPEN switch status detection input 29 TUPWR_O O Not used OP...

Page 19: ... Frame Synchronous signal input 72 FG_I I FG signal input 73 PGMSEL_O SC_SEL_O Not used 74 AMUTE_O O Mute ON OFF control output 75 RESET_TU_O O Not used OPEN 76 XREST_O O System reset output 77 POFF_O O DSP s power off output 78 XOPSTBY_O O Pick up s power supply ON OFF control 79 OPGSW_O O RF IC s gain control 80 C2POEN_O O Not used OPEN ...

Page 20: ...odel 6 1 UPPER LID SECTION Ref No Part No Description Remark Ref No Part No Description Remark 1 3 254 014 11 SCREW 2 2 178 788 01 COVER 3 2 187 179 01 SHEET COVER ADHESIVE 4 1 479 097 11 SWITCH UNIT 5 X 2048 637 1 LID SUB ASSY S UPPER SILVER EJ120 5 X 2048 638 1 LID SUB ASSY L UPPER BLUE EJ120 5 X 2048 639 1 LID SUB ASSY S UPPER SILVER EJ121 1 2 3 6 4 5 not supplied LCD801 cabinet section not sup...

Page 21: ...D COMPLETE EJ120 US 56 A 1090 696 A MAIN BOARD COMPLETE EJ120 AEP EE 56 A 1105 516 A MAIN BOARD COMPLETE EJ120 CND 57 3 245 331 02 INSULATOR 58 3 261 240 02 LEVER DETECTION 59 3 254 070 01 SCREW BLUE 59 3 254 070 11 SCREW SILVER BLACK 60 3 261 255 01 SPRING L 61 3 261 256 01 SPRING R 62 X 2048 642 1 CABINET UPPER SUB ASSY S SILVER 62 X 2048 643 1 CABINET UPPER SUB ASSY L BLUE 62 X 2055 136 1 CABIN...

Page 22: ...08 3 221 475 01 SHAFT STANDARD 109 3 222 298 01 RACK 110 3 222 299 01 SPRING RACK RETAINER 111 3 348 998 31 SCREW M1 4X2 5 TAPPING PAN M901 A 3180 951 A MOTOR ASSY SLED including GEAR M902 A 3180 953 A MOTOR ASSY TURN TABLE SPINDLE M902 M901 101 101 102 103 104 105 106 107 108 109 110 111 Ver 1 2 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only wi...

Page 23: ... 21 TANTAL CHIP 47uF 20 10V C413 1 115 156 11 CERAMIC CHIP 1uF 10V C414 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C415 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V C418 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C419 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C420 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C421 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C422 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C423 1 162 96...

Page 24: ...E EJ121 4E18 MX FB302 1 414 813 11 FERRITE EMI SMD 2012 EJ120 EXCEPT US E EJ121 4E18 MX IC IC301 8 759 522 87 IC TA2120FN EL IC403 6 703 034 01 IC BH6580KV IC601 6 803 922 01 IC BU9354CKV IC602 6 704 730 01 IC MSM51X4400E 10TSK F EXCEPT US CND IC603 6 704 280 01 IC 41SV44052 100TG US CND IC801 6 803 923 05 IC T5AW5 5GA5 JACK J302 1 816 153 61 JACK i EJ120 EXCEPT US E EJ121 4E18 MX J302 1 818 051 1...

Page 25: ...841 1 216 845 11 METAL CHIP 100K 5 1 10W R845 1 216 864 11 SHORT CHIP 0 EJ119 EJ120 EXCEPT US CND E R863 1 216 837 11 METAL CHIP 22K 5 1 10W R864 1 216 837 11 METAL CHIP 22K 5 1 10W R871 1 216 849 11 METAL CHIP 220K 5 1 10W R872 1 216 833 11 METAL CHIP 10K 5 1 10W R902 1 216 833 11 METAL CHIP 10K 5 1 10W R903 1 216 833 11 METAL CHIP 10K 5 1 10W R904 1 216 833 11 METAL CHIP 10K 5 1 10W COMPOSITION ...

Page 26: ...t the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2004 12 New 1 1 2005 01 Addition of black model for D EJ120 ECA74491 1 2 2005 02 Addition of US and Canadian model for D EJ120 Addition of Taiwan model for D EJ121 1 3 2005 04 Addition of E model for D EJ120 ...

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