Sony Walkman D-CJ01 Service Manual

Sony walkman d-cj01: hardware guide
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SERVICE MANUAL
Ver 1.1 2002.01
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
= 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 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.)
D-A conversion
1-bit quartz time-axis control
Frequency response
+1
20 - 20 000 Hz
dB (measured by JEITA CP-307)
–2
Output (at 4.5 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 k
Recommended load impedance over 10 k
Headphones (stereo minijack)
Approx.5 mW + Approx. 5 mW at 16
9-873-390-02
Sony Corporation
Personal Audio Company
2002A0200-1
Published by Sony Engineering Corporation
© 2002.1
Model Name Using Similar Mechanism D-EJ621
CD Mechanism Type
Optical Pick-up Type

SPECIFICATIONS

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-WMAA rechargeable
batteries: 2.4 V DC
• Sony NH-WM2AA rechargeable batteries:
2.4 V DC
• Two LR6 (size AA) batteries: 3 V DC
• AC power adaptor (DC IN 4.5 V jack):
US / Canadian / C&SA model:
120 V, 60 Hz
AEP / French / EE / E13 model:
220 - 230 V, 50/60 Hz
UK model: 230 - 240 V, 50 Hz
Australian model: 240 V, 50 Hz
Korean model: 100 - 240 V,
50/60 Hz
Hong Kong model: 220 V, 50/60 Hz
Chinese model: 220 V, 50 Hz
Tourist model: 100-240V, 50/60Hz
D-CJ01
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
CDM-3123EBA
DAX-23E
– Continued on page 2 –
PORTABLE CD PLAYER

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Summary of Contents for Sony Walkman D-CJ01

  • Page 1: Specifications

    Recommended load impedance over 10 k Headphones (stereo minijack) Approx.5 mW + Approx. 5 mW at 16 9-873-390-02 Sony Corporation Personal Audio Company 2002A0200-1 Published by Sony Engineering Corporation © 2002.1 D-CJ01 Model Name Using Similar Mechanism D-EJ621 CD Mechanism Type Optical Pick-up Type SPECIFICATIONS...
  • Page 2: Table Of Contents

    LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY..8...
  • Page 3: Servicing Notes

    NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic breakdown because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts.
  • Page 4: General

    D-CJ01 LOCATING THE CONTROLS CD player (front) Display REPEAT / ENTER button Strap holes PLAY MODE button LINE OUT jack i (headphones) FOLDER – button x (stop) / CHARGE button VOL(volume) – button CD player (inside) G-PROTECTION switch Battery compartment *The button has a tactile dot.
  • Page 5: Disassembly

    The equipment can be removed using the following procedure. Cabinet (lower) sub ASSY Cabinet (inner) sub ASSY Note : Follow the disassembly procedure in the numerical order given. 3-1. CABINET (LOWER) SUB ASSY, CABINET ( INNER ) SUB ASSY 4 Screws (B2) Open the battery case lid 5 Claws 2 Open...
  • Page 6: Main Board

    D-CJ01 3-3. MAIN BOARD 3 J301 2 J302 3-4. “MOTOR ASSY, TURN TABLE (SPINDLE) (M901)” 1 Screws (B1.7x5) Motor ASSY, Turn table (Spindle) (M901) Chassis Cabinet (inner) sub ASSY 5 Flexble board Main board Cabinet (lower) sub ASSY 1 J401 3-5.
  • Page 7: Switch Unit

    D-CJ01 3-6. SWITCH UNIT Lid (A) upper ASSY 5 Claws 5 Claws Switch unit Lid (B) upper ASSY 3 Screws 1 Screws 1 Screws Cabinet (inner) sub ASSY...
  • Page 8: Electrical Adjustments

    D-CJ01 The CD section adjustments are done automatically in this set. Precautions for Check 1. Perform check in the order given. 2. Use YEDS-18 disc (Part No.: 3-702-101-01) unless otherwise indicated. 3. Power supply voltage requirement : DC4.5 V in DC IN jack. (J401) VOLUME button : Minimum HOLD switch : OFF...
  • Page 9: Diagrams

    5-1. EXPLANATION OF IC TERMINALS IC801 (SYSTEM CONTROL) PD784216AY-CJ1 Pin No. Pin name — 2 to 8 — — — XTAL 0 XTAL 1 — — — — RESET SCOR GRSCOR OPENSW RMKEY DCIN — — VDD ( AVDD ) —...
  • Page 10 D-CJ01 AMUTE VCC 2 ON XRST WAKE UP XLAT 56 to 63 D 0 to D 7 65 to 71 — — — 73 to 76 — — WR 1 79 to 80 — — — XQOK TSB RW TSBLAT BUSY GPRO XWRE...
  • Page 11: Block Diagram(1/2)

    5-2. BLOCK DIAGRAM (1/2) DVDD Q502 XHGON Q501 IC501 OPTICAL RF AMP PICK-UP GAIN CTL TRACK/FOCUS BLOCK ERROR RF AM DAX-23E IV2- IN2+ IV2+ IN2- IV3- IN3+ IV3+ IN3- DETECTOR IC401 (1/2) LD APC,FOCUS/TRACKING COIL, SLED/SPINDLE MOTOR DRIVER VREF VLGO2 INM2 DRIVER APCREF...
  • Page 12: Block Diagram(2/2)

    D-CJ01 5-3. BLOCK DIAGRAM (2/2) IC605 DQ1-3 ID4-8 A0-16 IC401 (2/2) LD APC,FOCUS/TRACKING COIL, SLED/SPINDLE MOTOR DRIVER LATCH LATCH DATA DATA CLOCK CLOCK DCIN DIFFERENTIAL DTC2D Q409,410 Q413,414 INP3 WAKEUP (+3.3V) SWITCHING REGULATOR Q411,D412 SWITCH DVDD VCC1 Q406 T401 VLGO1 VCPU VBAT CHGSW...
  • Page 13: Printed Wiring Boards - Main Board (Side A)

    5-4. PRINTED WIRING BOARDS – MAIN BOARD (SIDE A) – Semiconductor Location Ref. No. Location Ref. No. Location D101 Q301 D102 Q302 D201 Q401 D202 Q402 D301 Q406 D304 Q409 D305 Q410 D306 Q411 D405 Q412 D406 Q413 D408 Q414 D409 Q415 D410...
  • Page 14: Printed Wiring Boards - Main Board (Side B)

    D-CJ01 5-5. PRINTED WIRING BOARDS – MAIN BOARD (SIDE B) – OPTICAL PICK-UP BLOCK DAX-23E Q502 R465 C452 R610 IC602 R601 R310 R620 C609 C617 L102 R301 C301 L202 L303 C209 C109 D302 R214 R114 : Uses unleaded solder. MAIN BOARD (SIDE A ) Q501 R476 R827...
  • Page 15: Schematic Diagram - Main Section (1/4)

    D-CJ01 5-6. SCHEMATIC DIAGRAM – MAIN SECTION (1/4) – Refer to page 20 to 21 for IC Block Diagrams. Refer to page 19 for Waveforms Refer to page 19 for Notes.
  • Page 16: Schematic Diagram - Main Section (2/4)

    D-CJ01 5-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/4) – Refer to page 19 for Notes.
  • Page 17: Schematic Diagram - Main Section (3/4)

    D-CJ01 5-8. SCHEMATIC DIAGRAM – MAIN SECTION (3/4) – Refer to page 19 for Waveforms Refer to page 19 for Notes.
  • Page 18: Schematic Diagram - Main Section (4/4)

    D-CJ01 5-9. SCHEMATIC DIAGRAM – MAIN SECTION (4/4) – Refer to page 20 for IC Block Diagrams. Refer to page 19 for Waveforms Refer to page 19 for Notes.
  • Page 19 Waveforms 3.8Vp-p 1.34 sec IC601 of VOLT/DIV : 1 V AC XTAO TIME/DIV : 20 nsec 30 Vp-p 8 MHz 0.125 sec IC801 q; VOLT/DIV : 1V AC XTALO TIME/DIV : 100 nsec Note: • All capacitors are in F unless otherwise noted. pF: 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 20: Ic Block Diagrams

    D-CJ01 IC Block Diagrams IC301 TA2120FN (EL) BIAS MUTE MUTE BIAS BIAS RF IN OCL ROUT VREF IC401 TB2119FA 59 58 57 56 VLGO1 PGND1 SAWTOOTH SAWTOOTH PGND2 VLGO2 VREF PGND3 SAWTOOTH VLG3 CNP3 VREF INM3 DTC3 RF21 PAPC VCPU APCREF VIHDET VREF...
  • Page 21 IC601 CXD3028R 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 CLOCK GENERATOR RFAC BIAS ASYMMETRY ASYI CORRECTOR ASYO FILO FILI DIGITAL...
  • Page 22: Exploded Views

    D-CJ01 Ver 1.1 2002.01 NOTE : • -XX, -X mean standardized parts, so they may have some difference from the original one. • Items marked “ * ”are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
  • Page 23: Main Section

    6-2. MAIN SECTION Ref. No. Part No. Description X-3381-000-1 CABINET (LOWER) SUB ASSY (US) X-3381-001-1 CABINET (LOWER) SUB ASSY (AEP,AUS,CH,CND,C&SA,EE,FR,KR,UK,JEW) X-3381-002-1 CABINET (LOWER) SUB ASSY (E13,HK) 4-908-792-81 SCREW (B2) 3-232-635-01 KNOB (HOLD) 3-232-642-01 FOOT, RUBBER 3-232-638-01 KNOB (OPEN) 3-237-429-01 SPRING, COMPRESSION 3-232-639-01 LEVER, LOCK 3-232-633-01 TERMINAL (RELAY), BATTERY 3-052-149-01 WASHER (2.0)
  • Page 24: Optical Pick-Up Section (Cdm-3123Eba)

    D-CJ01 6-3. OPTICAL PICK-UP SECTION (CDM-3123EBA) M901 Ref. No. Part No. Description 4-218-821-01 COVER, GEAR 3-318-203-71 SCREW (B1.7X5), TAPPING A-3328-628-A SCREW (FEED) ASSY 4-218-823-01 GEAR (B) 4-218-825-01 SPRING, SLED 4-218-820-01 CHASSIS 4-218-827-01 RETAINER, SHAFT The components identified by mark 0 or dotted line with mark 0 are critical for safety.
  • Page 25: Electrical Parts List

    NOTE : • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX, -X mean standardized parts, so they may have some difference from the original one.
  • Page 26 D-CJ01 MAIN Ref. No. Part No. Description C447 1-162-970-11 CERAMIC CHIP C448 1-104-752-11 TANTAL. CHIP C449 1-162-970-11 CERAMIC CHIP C451 1-162-925-11 CERAMIC CHIP C452 1-125-891-11 CERAMIC CHIP C454 1-115-156-11 CERAMIC CHIP C456 1-110-569-11 TANTAL. CHIP C457 1-127-715-11 CERAMIC CHIP C459 1-127-715-11 CERAMIC CHIP C501 1-107-826-11 CERAMIC CHIP...
  • Page 27 Ref. No. Part No. Description D411 8-719-404-50 DIODE MA111-TX D412 8-719-072-70 DIODE MA2ZD14001S0 D413 8-719-422-37 DIODE MA8051 D602 8-719-044-74 DIODE MA792WK-TX D604 8-719-422-37 DIODE MA8051 D605 8-719-422-37 DIODE MA8051 D606 8-719-044-74 DIODE MA792WK-TX D607 8-719-422-37 DIODE MA8051 D608 8-719-422-37 DIODE MA8051 D801 8-719-422-37 DIODE MA8051 D802...
  • Page 28 D-CJ01 MAIN Ref. No. Part No. Description R207 1-216-813-11 METAL CHIP R208 1-216-821-11 METAL CHIP R209 1-218-867-11 RES-CHIP R210 1-216-833-11 METAL CHIP R211 1-216-835-11 METAL CHIP R213 1-216-809-11 METAL CHIP R214 1-216-793-11 RES-CHIP R301 1-216-308-00 METAL CHIP R302 1-216-821-11 METAL CHIP R303 1-216-821-11 METAL CHIP R304...
  • Page 29 Ref. No. Part No. Description R628 1-216-839-11 METAL CHIP R629 1-216-851-11 METAL CHIP R630 1-216-857-11 METAL CHIP R631 1-216-835-11 METAL CHIP R632 1-216-835-11 METAL CHIP R633 1-216-827-11 METAL CHIP R634 1-216-827-11 METAL CHIP R635 1-216-833-11 METAL CHIP R636 1-216-839-11 METAL CHIP R637 1-216-835-11 METAL CHIP R638...
  • Page 30 D-CJ01 Ver 1.1 2002.01 Ref. No. Part No. Description ACCESSORIES *********** 1-475-622-21 ADAPTOR, AC (AC-E455) (CH) 1-476-395-12 REMOTE CONTROL UNIT (EXCEPT US,CND) 1-476-739-11 ADAPTOR, AC (AC-E455) (KR) 1-476-845-11 ADAPTOR, AC (AC-ES455) (AEP,E13,EE,FR) 1-476-846-11 ADAPTOR, AC (AC-ES455) (HK) 1-476-848-11 ADAPTOR, AC (AC-ES455) (UK) 1-476-850-11 ADAPTOR, AC (AC-ES455) (AUS) 1-476-851-11 ADAPTOR, AC (AC-ES455) (CND,C&SA,US) 1-477-141-11 ADAPTOR, AC (AC-ES455) (JEW)
  • Page 31 D-CJ01...
  • Page 32 D-CJ01 REVISION HISTORY 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 2002.01 Addition of Tourist model. 2001.11 Description of Revision ( ENG-01028 )

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