Sony CDP-XB720 Service Manual
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Sony CDP-XB720 Service Manual

Sony CDP-XB720 Service Manual

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CDP-XB720/XB720E
QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
www
.
MICROFILM
http://www.xiaoyu163.com
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Photo: CDP-XB720
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
Q Q
SPECIFICATIONS
3
6 7
1 3
1 5
COMPACT DISC PLAYER
co
.
– 1 –
9 4
2 8
AEP Model
UK Model
CDP-XB720E
CDP-XE520
CDM14FLS-5BD25
BU-5BD25
KSS-213BA/F-NP
0 5
8
2 9
9 4
2 8
m
9 9
CDP-XB720
9 9
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Summary of Contents for Sony CDP-XB720

  • Page 1 CDP-XB720/XB720E 3 7 63 1515 0 SERVICE MANUAL AEP Model CDP-XB720 UK Model CDP-XB720E Photo: CDP-XB720 Model Name Using Similar Mechanism CDP-XE520 CD Mechanism Type CDM14FLS-5BD25 Base Unit Type BU-5BD25 Optical Pick-up Type KSS-213BA/F-NP SPECIFICATIONS L 13942296513 COMPACT DISC PLAYER...

  • 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 – http://www.xiaoyu163.com...

  • Page 3: Servicing Note

    http://www.xiaoyu163.com SECTION 1 SERVICING NOTE 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 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 ! ”...

  • Page 6: General

    http://www.xiaoyu163.com SECTION 2 3 7 63 1515 0 GENERAL Front Panel LOCATION OF PARTS AND CONTROLS 1 1/u (power) switch 2 PLAY MODE button 3 REPEAT button 4 FADER button 5 TIME/TEXT button L 13942296513 6 Disc tray 7 0,) button 8 EDIT/TIME FADE button 9 CHECK button 10 CLEAR button...

  • Page 7: Disassembly

    http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 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

    http://www.xiaoyu163.com SECTION 4 TEST MODE 3 7 63 1515 0 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 JW004 (AFADJ) terminal on MAIN LANGUAGE EDIT/ board to the Ground and turning on the power.
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 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

    http://www.xiaoyu163.com SECTION 5 ELECTRICAL BLOCK CHECKING 3 7 63 1515 0 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.
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 1 track jump waveform Adjustment Location : Center of the waveform [ MAIN BOARD ] – Component Side – A (DC voltage) + 0.7 level : 1.3 Vp-p symmetry – 0.6 JW004 (AFADJ) E-F Balance Check (With general remote commander) JW003 oscilloscope (ADJ)

  • Page 12: Diagrams

    http://www.xiaoyu163.com SECTION 6 DIAGRAMS 3 7 63 1515 0 6-1. CIRCUIT BOARDS LOCATION POWER board BD board SW board HP board (AEP) DF board MAIN board LOADING board PANEL board L 13942296513 u163 – 12 – http://www.xiaoyu163.com...
  • Page 13 http://www.xiaoyu163.com 3 7 63 1515 0 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For schematic diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 WAVEFORMS 3.9Vp-p 5.5 Vp-p 33.8MHz 2.82 MHz IC101 &¡ XTAI IC301 $º 64FSO 1.2Vp-p 1.3 Vp-p (PLAY) 45 MHz IC101 %º RF AC IC301 @• XOUT 2.5V 5.3 Vp-p APPROX 500mVp-p (PLAY) 2.1 MHz IC101 $¡...

  • Page 15: Printed Wiring Board - Bd Section

    CDP-XB720/XB720E 3 7 63 1515 0 6-2. PRINTED WIRING BOARD – BD SECTION – • See page 12 for Circuit Boards Location. L 13942296513 • Semiconductor Location Ref. No. Location u163 IC102 Q101 – 15 – http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 (Page 19) • Semiconductor Location Ref. No. Location IC101 IC103 u163 – 16 – http://www.xiaoyu163.com...

  • Page 17: Schematic Diagram - Bd Section

    CDP-XB720/XB720E 3 7 6 3 1 5 1 5 0 6-3. SCHEMATIC DIAGRAM – BD SECTION – • See page 14 for Waveforms. • See page 30 for IC Pin Functions. • See page 34 for IC Block Diagrams.

  • Page 18: Printed Wiring Board - Main Section

    CDP-XB720/XB720E 3 7 6 3 1 5 1 5 0 6-4. PRINTED WIRING BOARD – MAIN SECTION – • See page 12 for Circuit Boards Location. (Page 28) • Semiconductor Location Ref. No. Location D631 D651 D679 D680 D681...

  • Page 19: Schematic Diagram - Main Section

    CDP-XB720/XB720E 3 7 6 3 1 5 1 5 0 6-5. SCHEMATIC DIAGRAM – MAIN SECTION – • See page 36 for IC Block Diagrams. (Page 17) (Page 29) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 20 CDP-XB720/XB720E 3 7 6 3 1 5 1 5 0 6-6. PRINTED WIXRING BOARD – DISPLAY SECTION – • See page 12 for Circuit Boards Location. (Page 21) 1 3 9 4 2 2 9 6 5 1 3 •...

  • Page 21: Schematic Diagram - Display Section

    CDP-XB720/XB720E 3 7 6 3 1 5 1 5 0 6-7. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 32 for IC Pin Functions. (Page 21) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...

  • Page 22: Schematic Diagram - Power/Hp Section

    CDP-XB720/XB720E 3 7 63 1515 0 6-8. SCHEMATIC DIAGRAM – POWER/HP SECTION – (Page 22) L 13942296513 (Page u163 – 27 – http://www.xiaoyu163.com...

  • Page 23: Printed Wiring Board - Power/Hp Section

    http://www.xiaoyu163.com 6-9. PRINTED WIRING BOARD – POWER/HP SECTION – 3 7 63 1515 0 • See page 12 for Circuit Boards Location. (Page 20) L 13942296513 (Page u163 – 28 – http://www.xiaoyu163.com...

  • Page 24: Schematic Diagram - Loading Motor Section

    CDP-XB720/XB720E 3 7 63 1515 0 6-10. SCHEMATIC DIAGRAM – LOADING MOTOR SECTION – (Page 21) L 13942296513 6-11. PRINTED WIRING BOARD – LOADING MOTOR SECTION – • See page 12 for Circuit Boards Location. LOADING BOARD S152 LOAD...

  • Page 25: Ic Pin Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 6-12. IC PIN FUNCTIONS • IC101 DIGITAL SIGNAL PROCESSOR (CXD2585Q) Pin Name Function Pin No. DVDD – Digital power supply XRST System reset “L” : reset MUTE Muting input “H” : mute DATA Serial data input, supplied from CPU XLAT Latch input, supplied from CPU CLOK...
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function Tracking error signal input Center servo analog input RF signal input RFDC Test pin (Not used) ADIO – Analog ground AVSS0 Stabilized current input for operational amplifiers IGEN – Analog power supply AVDD0 EFM full swing output...
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 • IC501 SYSTEM CONTROL (CXP82832-009Q) 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 – Ground RMIN Remote control signal input...
  • Page 28 http://www.xiaoyu163.com 3 7 63 1515 0 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 REINIT – Not used LP CONTROL LP control hold output B-MUTE...

  • Page 29: Ic Block Diagrams

    http://www.xiaoyu163.com 3 7 63 1515 0 6-13. IC BLOCK DIAGRAMS • BD section IC101 CXD2585Q 71 70 62 61 67 66 65 64 63 Digital VPCO DVDD0 Clock V16M Generator XRST VCTL MUTE Interface BIAS Error AVDD1 Corrector DATA XLAT CLOCK FILI Interface...
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 • Main section IC301 CXD8735N INVO INVI BCKI TEST OVERFLOW DETECTER DATA1 128FsO FIR1 FIR2 FIR3 LRCKI DINIT FIR4 INIT OVFLAG MUTEL OVERFLOW DETECTER SHIFT MUTER FIR1 FIR2 FIR3 LATCH FIR4 SYSM 64FSI MCKIN 3rd order X0.75 NOISE...

  • Page 32: Case Section

    http://www.xiaoyu163.com SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: The components identified by • Items marked “*” are not stocked since they are mark ! or dotted line with mark seldom required for routine service. Some delay ! are critical for safety. should be anticipated when ordering these items.

  • Page 33: Front Panel Section

    Part No. Description Remark Ref. No. Part No. Description Remark 4-942-568-41 EMBLEM (NO.5), SONY 4-997-213-01 BUTTON (F.R) 4-998-790-01 KNOB, POWER 4-974-510-01 SCREW (+BV 3X8 B)(UK) * 53 1-668-724-11 SW BOARD 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S (AEP) 4-951-620-01 SCREW (2.6X8), +BVTP...

  • Page 34: Mechanism Deck Section (Cdm14Fls-5Bd25)

    http://www.xiaoyu163.com 3 7 63 1515 0 7-3. MECHANISM DECK SECTION (CDM14FLS-5BD25) BU-5BD25 not supplied L 13942296513 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) 4-995-814-11 TABLE (FL), DISC 4-959-996-01 SPRING (932), COMPRESSION 4-967-268-01 GEAR (C) 4-933-129-01 HOLDER (BU)

  • Page 35: Base Unit Section (Bu-5Bd25)

    http://www.xiaoyu163.com 3 7 63 1515 0 7-4. BASE UNIT SECTION (BU-5BD25) L 13942296513 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.

  • Page 36: Electrical Parts List

    http://www.xiaoyu163.com SECTION 8 ELECTRICAL PARTS LIST 3 7 63 1515 0 Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list The components identified by may be different from the parts specified in the In each case, u: µ , for example: mark ! or dotted line with mark uA...: µ...
  • Page 37 http://www.xiaoyu163.com LOADING MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > < CAPACITOR > S101 1-572-085-11 SWITCH, LEAF (LIMIT) C301 1-161-494-00 CERAMIC 0.022uF C351 1-102-945-00 CERAMIC 8.0PF ±0.5PF 50V C352 1-102-945-00 CERAMIC 8.0PF...
  • Page 38 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C670 1-162-294-31 CERAMIC 0.001uF J721 1-774-726-11 JACK (S-LINK CONTROL A1) C671 1-126-962-11 ELECT 3.3uF J781 1-778-228-11 JACK, PIN 1P (DIGITAL OUT:COAXIAL)(AEP) J781 1-784-689-11 JACK, PIN 1P (DIGITAL OUT:COAXIAL)(UK) C672...
  • Page 39 http://www.xiaoyu163.com MAIN PANEL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R462 1-249-411-11 CARBON 1/4W IC502 8-749-014-66 IC NJL64H400A R463 1-249-411-11 CARBON 1/4W R464 1-249-441-11 CARBON 100K 1/4W < TRANSISTOR > R465 1-247-807-31 CARBON 1/4W...
  • Page 40 http://www.xiaoyu163.com PANEL POWER 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S522 1-554-303-21 SWITCH, TACTILE (·) R641 1-247-843-11 CARBON 3.3K 1/4W R642 1-247-843-11 CARBON 3.3K 1/4W S523 1-554-303-21 SWITCH, TACTILE (P) R643 1-212-873-11 FUSIBLE 1/4W F...
  • Page 41 CDP-XB720/XB720E 3 7 63 1515 0 Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-685-871-01 SCREW +BVTT 3X6 (S) 7-685-885-09 SCREW +BVTT 4X16 (S) 7-621-775-10 SCREW +B 2.6X4 7-621-255-15 SCREW +P 2X3 7-685-134-19 SCREW +BTP 2.6X8 TYPE2 N-S...

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