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Sony CDP-XE520 Service Manual
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Sony CDP-XE520 Service Manual

Sony CDP-XE520 Service Manual

Compact disc player
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SERVICE MANUAL
MICROFILM
CDP-XE520
Photo: BLACK model
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
SPECIFICATIONS
COMPACT DISC PLAYER
– 1 –
AEP Model
UK Model
NEW
CDM14FL-5BD25
BU-5BD25
KSS-213BA/F-NP

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Summary of Contents for Sony CDP-XE520

  • Page 1 CDP-XE520 SERVICE MANUAL AEP Model UK Model Photo: BLACK model Model Name Using Similar Mechanism CD Mechanism Type CDM14FL-5BD25 Base Unit Type BU-5BD25 Optical Pick-up Type KSS-213BA/F-NP SPECIFICATIONS COMPACT DISC PLAYER MICROFILM – 1 –...

  • Page 2: Table Of Contents

    WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...

  • Page 3: Servicing Note

    SECTION 1 SERVICING NOTE HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK TURNS OFF OR BASE UNIT Insert a tapering driver into the aperture of the unit bottom, and turn The laser diode in the optical pick-up block may suffer in the direction of arrow.
  • Page 4 CD-TEXT TEST DISC This unit is able to display the TEXT data (character information) written in the CD on its fluorescent indicator tube. The CD-TEXT TEST DISC (TGCS-313: J-2501-126-A) is used for checking the display. To check, perform the following procedure. Procedure: 1.
  • Page 5 Table 2: CD-TEXT TEST DISC Recorded Contents and Display (In this unit, some special characters cannot be displayed. This is no a fault.) TRACK Recorded contents Display ···· ! ” # $ % & are not displayed ! ” # $ % & ´ (21h to 27h)1kHz 0dB L&R + , –...

  • Page 6: General

    SECTION 2 GENERAL Front Panel 7 8 9 LOCATION OF PARTS AND CONTROLS 1 1/u switch 2 PLAY MODE button 3 REPEAT button 4 TIME/TEXT button 5 Disc tray 6 0,) button 7 EDIT/TIME FADE button 8 CHECK button 9 CLEAR button 10 AMS knob (PUSH ENTER) 11 PHONE jack 12 p (stop) button...

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. FRONT PANEL • In order to remove the front panel block when the power supply does not turn on, rotate the cam with tapering driver as the figure shows, and the loading part will be moved.

  • Page 8: Test Mode

    SECTION 4 TEST MODE 4-1. AF MODE Button No. Button No. Button Button The following checks can be performed in the AF mode, which is Displayed Displayed set by connecting the JW617 (AFADJ) terminal on MAIN LANGUAGE board to the Ground and turning on the power. MUSIC SCAN •...
  • Page 9 4-3. AGING MODE [ MAIN BOARD ] – Component Side – This unit is equipped with an aging mode to check operations of the mechanism deck. • When faults occur: Aging stops, and the state when aging stopped is displayed on the fluorescent display tube.

  • Page 10: Electrical Block Checking

    SECTION 5 ELECTRICAL BLOCK CHECKING Note: S-curve waveform 1. CD Block is basically designed to operate without adjustment. symmetry Therefore, check each item in order given. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10MΩ impedance. 4.
  • Page 11 1 track jump waveform Adjustment Location : Center of the waveform [ MAIN BOARD ] – Component Side – A (DC voltage) + 0.7 CN621 level : 1.3 Vp-p symmetry – 0.6 E-F Balance Check (With general remote commander) oscilloscope BD board JW613 (ADJ) TP (TE)

  • Page 12: Diagrams

    SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION WAVEFORMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) 3.9Vp-p For schematic diagrams. 33.8MHz Note: IC101 &¡ XTAI •...

  • Page 13: Printed Wiring Board - Cd Section

    CDP-XE520 6-2. PRINTED WIRING BOARD – BD SECTION – • See page 13 for Circuit Boards Location. (Page 19) • Semiconductor • Semiconductor Location Location Ref. No. Location Ref. No. Location IC102 IC101 IC103 Q101 – 15 – – 16 –...

  • Page 14: Schematic Diagram - Cd Section

    CDP-XE520 6-3. SCHEMATIC DIAGRAM – BD SECTION – • See page 14 for Waveforms. • See page 28 for IC Pin Functions. • See page 32 for IC Block Diagrams. (Page 21) – 17 – – 18 –...

  • Page 15: Printed Wiring Board - Main Section

    CDP-XE520 6-4. PRINTED WIRING BOARD – MAIN SECTION – • See page 13 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D601 D602 D603 D604 D605 D613 D614 D621 D631 D641 D642 D643 D681 D682 D691 D692 IC601...

  • Page 16: Schematic Diagram - Main Section

    CDP-XE520 6-5. SCHEMATIC DIAGRAM – MAIN SECTION – • See page 34 for IC Block Diagrams. (Page 17) (Page 25) (Page 27) – 21 – – 22 –...
  • Page 17 CDP-XE520 6-6. PRINTED WIRING BOARD – DISPLAY SECTION – • See page 13 for Circuit Boards Location. (Page 19) • Semiconductor Location Ref. No. Location IC501 B-10 IC502 Q501 Q502 – 24 – – 23 –...
  • Page 18 CDP-XE520 6-7. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 30 for IC Pin Functions. (Page 21) – 25 – – 26 –...

  • Page 19: Ic Pin Functions

    CDP-XE520 6-8. SCHEMATIC DIAGRAM – LOADING MOTOR SECTION – 6-10. IC PIN FUNCTIONS • IC101 DIGITAL SIGNAL PROCESSOR (CXD2585Q) Pin No. Pin Name Function DVDD – Digital power supply XRST System reset “L” : reset MUTE Muting input “H” : mute...
  • Page 20 Pin No. Pin Name Function Tracking error signal input Center servo analog input RFDC RF signal input Test pin (Not used) ADIO – Analog ground AVSS0 IGEN Stabilized current input for operational amplifiers AVDD0 – Analog power supply EFM full swing output ASYO Asymmetry comparate voltage input ASYI...
  • Page 21 • IC501 SYSTEM CONTROL (CXP82832-006Q) Pin Name Function Pin No. FL grid signal output FL grid signal output – Connected to VDD – Power supply (+5V) SCOR Sub code sync input 6, 7 – Power supply RMIN Remote control signal input –...
  • Page 22 Pin Name Function Pin No. – Ground – Not used – Connected to ground VDD (+5V) – Power supply (+5V) VFDP (–30V) – Pull down voltage (–30V) XSEL Not used — – Not used LP CONTROL LP control hold output 49 to 66 OPEN –...

  • Page 23: Ic Block Diagrams

    6-11. IC BLOCK DIAGRAMS • BD section IC101 CXD2585Q 71 70 64 63 62 61 67 66 65 Digital VPCO DVDD0 Clock V16M Generator XRST VCTL MUTE Interface BIAS Error AVDD1 Corrector DATA XLAT CLOCK FILI Interface Digital Sub Code FILO demodurator Processor...
  • Page 24 IC102 BA6392FP BUFF CH1 OUT F 28 GND BUFF BUFF CH1 OUT R 27 CH4 OUT F LEVEL SHIFT CAPA IN 1 26 CH4 OUT R BUFF CH1 R IN 25 VB IN INTERFACE CH1 F IN 24 VS IN BUFF VREF IN 23 VB IN...
  • Page 25 • Main section IC601 LA5602 IC631 LB1641 V IN T.S.D O.C.P ERROR REFERENCE MOTOR MOTOR VOLTAGE DRIVE DRIVE OVER CURRENT LIMITTER OVER HEAT PROTECTION FWD/REV/STOP CONTROL LOGIC ON/OFF RESET CDEL V OUT IC661 CXD8567AM INIT D Vdd 2 SYSM L1 (+) A Vdd L SHIFT L2 (+)

  • Page 26: Exploded Views

    4-996-687-21 KNOB (AMS)(BLACK) * 14 4-978-901-81 CASE (408226)(SILVER) 4-996-687-31 KNOB (AMS)(SILVER) ! 15 1-575-651-21 CORD, POWER 4-996-698-21 EMBLEM, SONY X-3371-436-1 FOOT ASSY (F50150S)(SILVER) X-4947-207-1 FOOT ASSY (F50150S)(BLACK) 4-996-560-01 WINDOW (FL) * 17 4-954-051-51 HOLDER, PC BOARD 4-977-593-01 RING (DIA. 50), ORNAMENTAL...

  • Page 27: Cd Mechanism Section (Cdm14Fl-5Bd29C)

    7-2. CD MECHANISM SECTION (CDM14FL-5BD25) BU-5BD25 not supplied M151 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-452-925-21 MAGNET ASSY 4-933-134-01 SCREW +PTPWH M2.6X6 4-933-110-41 HOLDER (MG) 4-995-814-01 TABLE (FL), DISC 4-959-996-01 SPRING (932), COMPRESSION 4-967-268-01 GEAR (C) 4-933-129-01 HOLDER (BU) 4-927-649-01 BELT 4-933-111-11 CHASSIS (MD)

  • Page 28: Base Unit Section (Bu-5Bd29C)

    7-3. BASE UNIT SECTION (BU-5BD25) M102 M101 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ! 151 8-848-379-31 OPTICAL PICK-UP KSS-213BA/F-NP...

  • Page 29: Electrical Parts List

    SECTION 8 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in the parts list • SEMICONDUCTORS The components identified by In each case, u: µ , for example: may be different from the parts specified in the mark ! or dotted line with mark uA...: µ...
  • Page 30 DISPLAY LOADING Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R162 1-216-101-00 METAL CHIP 150K 1/10W R539 1-249-429-11 CARBON 1/4W R541 1-247-807-31 CARBON 1/4W < SWITCH > R542 1-247-807-31 CARBON 1/4W S101 1-572-085-11 SWITCH, LEAF (LIMIT) <...
  • Page 31 LOADING MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > C681 1-164-159-21 CERAMIC 0.1uF C685 1-161-494-00 CERAMIC 0.022uF S151 1-572-086-11 SWITCH, LEAF (LOAD OUT) C690 1-164-159-21 CERAMIC 0.1uF S152 1-572-086-11 SWITCH, LEAF (LOAD IN) C691 1-164-159-21 CERAMIC 0.1uF...
  • Page 32 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D691 8-719-991-33 DIODE 1SS133T-77 R646 1-249-432-11 CARBON 1/4W D692 8-719-815-85 DIODE 1S1585 R647 1-247-807-31 CARBON 1/4W D692 8-719-991-33 DIODE 1SS133T-77 R648 1-247-807-31 CARBON 1/4W < GROUND PLATE > R651 1-249-429-11 CARBON 1/4W...
  • Page 33 CDP-XE520 POWER SW Ref. No. Part No. Description Remark 1-668-366-11 POWER SW BOARD ************** < SWITCH > ! S301 1-554-118-00 SWITCH, PUSH (1 KEY)(1/u) ************************************************************** MISCELLANEOUS ************* 1-776-100-11 WIRE (FLAT TYPE) (23 CORE) ! 15 1-575-651-21 CORD, POWER ! 21...