Sony CDP-XB740 Service Manual
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Sony CDP-XB740 Service Manual

Sony CDP-XB740 Service Manual

Compact disc player
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CDP-XB740/XB740E
QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
www
.
http://www.xiaoyu163.com
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Photo: CDP-XB740
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
.
9 4
2 8
AEP Model
UK Model
CDP-XB740E
CDP-XB720/XB720E
CDM14FLS-5BD25
BU-5BD25
KSS-213BA/F-NP
0 5
8
2 9
9 4
2 8
m
9 9
CDP-XB740
9 9
1

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Summary of Contents for Sony CDP-XB740

  • Page 1: Te L 13942296513

    CDP-XB740/XB740E 3 7 63 1515 0 SERVICE MANUAL AEP Model CDP-XB740 UK Model CDP-XB740E Photo: CDP-XB740 Model Name Using Similar Mechanism CDP-XB720/XB720E CD Mechanism Type CDM14FLS-5BD25 Base Unit Type BU-5BD25 Optical Pick-up Type KSS-213BA/F-NP SPECIFICATIONS L 13942296513 COMPACT DISC PLAYER u163 http://www.xiaoyu163.com...

  • Page 2: Table Of Contents

    WITH MARK 0 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. 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 POWER switch 2 PLAY MODE button 3 REPEAT button 4 FADER button 5 TIME/TEXT button L 13942296513 6 Disc tray 7 m,M 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, AED) DF board MAIN board LOADING board • Abbreviation AED: North European PANEL board L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 13 CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 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 4.4 Vp-p For schematic diagrams.

  • Page 14: Printed Wiring Board - Bd Section

    CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 6-2. Printed Wiring Board – BD Section – • See page 12 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 (Page 16)

  • Page 15: Schematic Diagram - Bd Section

    CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 6-3. Schematic Diagram – BD Section – • See page 13 for Waveforms. • See page 22 for IC Pin Functions. • See page 26 for IC Block Diagrams.

  • Page 16: Printed Wiring Board - Main Section

    CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 6-4. Printed Wiring Board – MAIN Section – • See page 12 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D631 D651 D679 D680 D681 D682 D691...

  • Page 17: Schematic Diagram - Main Section

    CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 6-5. Schematic Diagram – MAIN Section – • See page 28 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 18: Printed Wiring Board - Display Section

    CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 6-6. Printed WiXring Board – DISPLAY Section – • See page 12 for Circuit Boards Location. 1-676-437- (Page 16) 1 3 9 4 2 2 9 6 5 1 3 •...

  • Page 19: Schematic Diagram - Display Section

    CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 6-7. Schematic Diagram – DISPLAY Section – • See page 24 for IC Pin Functions. (Page 17) 1 3 9 4 2 2 9 6 5 1 3 IC501 CXP82832–024Q...

  • Page 20: Schematic Diagram - Power/Hp Section

    CDP-XB740/XB740E 3 7 6 3 1 5 1 5 0 6-8. Schematic Diagram – POWER/HP Section – 6-9. Printed Wiring Board – POWER/HP Section – • See page 12 for Circuit Boards Location. 10.9 (Page 16) (Page 17) –12...

  • Page 21: Schematic Diagram - Loading Motor Section

    CDP-XB740/XB740E 3 7 63 1515 0 6-10. SCHEMATIC DIAGRAM – LOADING MOTOR SECTION – (Page 17) L 13942296513 6-11. PRINTED WIRING BOARD – LOADING MOTOR SECTION – • See page 12 for Circuit Boards Location. LOADING BOARD S152 LOAD...

  • Page 22: Ic Pin Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 6-12. IC PIN FUNCTIONS • IC101 DIGITAL SIGNAL PROCESSOR (CXD2585Q) (BD BOARD) Pin No. Pin Name Function DVDD – Digital power supply XRST System reset “L” : reset Muting input “H” : mute MUTE DATA Serial data input, supplied from CPU XLAT...
  • Page 23 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 24 http://www.xiaoyu163.com 3 7 63 1515 0 • IC501 SYSTEM CONTROL (CXP82832-024Q) (PANEL BOARD) Pin No. Pin Name Function FL grid signal output FL grid signal output – Connected to VDD – Power supply (+5V) SCOR Sub code sync input 6, 7 –...
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function – 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 26: Ic Block Diagrams

    http://www.xiaoyu163.com 3 7 63 1515 0 6-13. IC BLOCK DIAGRAMS • BD section IC101 CXD2585Q 71 70 67 66 65 64 63 62 61 Digital VPCO DVDD0 Clock V16M Generator XRST VCTL MUTE Interface BIAS Error AVDD1 Corrector DATA XLAT CLOCK FILI Interface...
  • Page 27 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 28 http://www.xiaoyu163.com 3 7 63 1515 0 • Main section IC301 CXD9556Q R1(-)/NSDOR4 VsubR1 128FSO R1(+)/NSDOR3 INVI AVDDR1 AVDDR2 INVO R2(+)/NSDOR2 MUTE VsubR2 /INIT R2(-)/NSDOR1 LVCKO2 CLOCK VSSR2 LVCKO1 GEN. VsubX XVSS XOUT XVDD LINEAR DATAI 64FSI DIGITAL INTERPOLATOR BCKI & FILTER LRCKI NOISE SHAPER...

  • Page 29: 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 • Abbreviation mark 0 or dotted line with mark seldom required for routine service. Some delay AED: North European 0 are critical for safety.

  • Page 30: 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) 4-998-790-31 KNOB, POWER 4-967-961-01 SCREW (3X8) (UK) 1-676-435-11 SW BOARD 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S (AEP,AED) 4-951-620-01 SCREW (2.6X8), +BVTP 1-676-440-11 HP BOARD (AEP,AED)

  • Page 31: 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) 4-933-110-71 HOLDER (MG) 4-995-814-42 TABLE (FL), DISC 4-959-996-01 SPRING (932), COMPRESSION 4-967-268-01 GEAR (C) 4-933-129-01 HOLDER (BU)

  • Page 32: 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 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref.

  • Page 33: 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 In each case, u: µ, for example: may be different from the parts specified in the mark 0 or dotted line with mark uA...: µA..., uPA...: µP A..., uPB...: µPB ..., diagrams or the components used on the set.
  • Page 34 http://www.xiaoyu163.com LOADING MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > C360 1-162-208-31 CERAMIC 24PF 5.00% 50V C385 1-119-801-11 ELECT 220uF 20.00% 25V S101 1-572-085-11 SWITCH, LEAF (LIMIT) C386 1-119-800-11 ELECT 100uF...
  • Page 35 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C724 1-162-282-31 CERAMIC 100PF L451 1-412-473-21 INDUCTOR 0uH C752 1-126-024-11 ELECT 220uF 20.00% 16V L751 1-414-510-21 INDUCTOR 3.3uH L781 1-414-510-21 INDUCTOR 3.3uH C753 1-161-494-00 CERAMIC 0.022uF...
  • Page 36 http://www.xiaoyu163.com MAIN PANEL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R671 1-249-431-11 CARBON 1/4W < RESISTOR > R672 1-247-843-11 CARBON 3.3K 1/4W R681 1-249-441-11 CARBON 100K 1/4W R501 1-249-427-11 CARBON 6.8K 1/4W F R502...
  • Page 37 http://www.xiaoyu163.com PANEL POWER 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VIBRATOR > R645 1-247-807-31 CARBON 1/4W R646 1-249-432-11 CARBON 1/4W X501 1-579-125-11 VIBRATOR, CERAMIC(8MHz) < TRANSFORMER > ************************************************************** 0 T601 1-676-438-11 POWER BOARD 1-435-329-11 TRANSFORMER, POWER *************...
  • Page 38 CDP-XB740/XB740E 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 9-929-241-11 2000D097549-1 Audio Entertainment Group Printed in Hungary © 2000. 4 Published by HA Quality Assurance Dept. http://www.xiaoyu163.com...

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