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Sony CDP-CX50 Service Manual
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Sony CDP-CX50 Service Manual

Sony CDP-CX50 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
www
.
MICROFILM
http://www.xiaoyu163.com
CDP-CX50/CX571
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Photo : CDP-CX50
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
co
.
— 1 —
9 4
2 8
US Model
Canadian Model
AEP Model
Australian Model
CDP-CX50/CX571
UK Model
NEW
CDM-46
KSM-213BFN/M-NP
KSS-213B/S-N
0 5
8
2 9
9 4
2 8
m
COMPACT DISC PLAYER
9 9
E Model
CDP-CX571
9 9

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Summary of Contents for Sony CDP-CX50

  • Page 1 3 7 63 1515 0 SERVICE MANUAL US Model Canadian Model AEP Model E Model Australian Model CDP-CX50/CX571 UK Model CDP-CX571 Photo : CDP-CX50 Model Name Using Similar Mechanism CD Mechanism Type CDM-46 Base Unit Type KSM-213BFN/M-NP Optical Pick-up Type KSS-213B/S-N SPECIFICATIONS L 13942296513...

  • Page 2: Table Of Contents

    http://www.xiaoyu163.com 3 7 63 1515 0 MODEL IDENTIFICATION TABLE OF CONTENTS — BACK PANEL — 1. SERVICING NOTE ............3 2. GENERAL ................4 3. DISASSEMBLY 3-1. Front Panel ................9 3-2. Illumination ASSY ..............9 3-3. Base Unit and Magnet Holder ..........10 3-4.

  • Page 3: Servicing Note

    REPLACE THESE COMPONENTS WITH SONY PARTS FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 4: General

    http://www.xiaoyu163.com SECTION 2 GENERAL 3 7 63 1515 0 LOCATION OF PARTS AND CONTROLS Front Panel !§ !∞ !¢ !£ !™ !¡ L 13942296513 1 POWER switch 9 CHECK button 2 Front cover !º CLEAR button 3 CONTINUE button !¡ ) ± button 4 Display window !™...
  • Page 5 http://www.xiaoyu163.com This section is extracted from 3 7 63 1515 0 instruction manual. L 13942296513 u163 — 5 — http://www.xiaoyu163.com...
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  • Page 9: Disassembly

    http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 DISASSEMBLY Follow the disassembly procedure in the numerical order given. Note : 3-1. FRONT PANEL 3 Bracket (ILLUMINATION) 2 Two screws (BVTT3x6) 1 Screw (BVTT3x6) 4 Screw (BVTT3x6) !¡ claw Expand the front panel in the direction of arrow A to release catching claws.

  • Page 10: Base Unit And Magnet Holder

    http://www.xiaoyu163.com 3 7 63 1515 0 3-3. BASE UNIT AND MAGNET HOLDER Remove in the arrow direction while pressing the claw with a screwdriver, etc. 2 Bracket 1 Two screws (BTP2.6x8) Remove in the arrow direction while pressing the claw with a screwdriver, etc.

  • Page 11: Cd Mechanism Section

    http://www.xiaoyu163.com 3 7 63 1515 0 3-4. CD MECHANISM SECTION NOTE: Adjust the position of the gear as shown in the figure when attaching. !£ Screw (BTP2.6x8) !¢ Cover (Lever) 6 Slider (Lock) 7 Slider (Cam) L 13942296513 5 Screw !∞...

  • Page 12: Test Mode

    http://www.xiaoyu163.com SECTION 4 TEST MODE 3 7 63 1515 0 DISPLAY CHECK MODE FLUORESCENT INDICATOR TUBE, LED ALL LIT, AND KEY CHECK MODE NOTE: This will not work properly if the DISC is set to any slit. Connect TP (TP302:AFADJ) of the DISPLAY board and the ground 1.
  • Page 13 http://www.xiaoyu163.com 3 7 63 1515 0 Order of Disc Change 1. Grid check Sequence of Aging Mode (1 cycle takes 3 minutes) 1. Disc change 1. No. 51 PROGRAM REPEAT REMOTE 2. Load in 2. No. 20 2. Segment check 3.
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 Aging procedure: Without remote commander for aging mode: Some operating method will be changed depending on if the fol- 1. Turn ON the power of the unit. Open the front cover. 2. Press the CLEAR , ≠0 , and · buttons in order. lowing jig for the aging mode exists or not.

  • Page 15: Mechanical Adjustments

    http://www.xiaoyu163.com SECTION 5 MECHANICAL ADJUSTMENTS 3 7 63 1515 0 To adjust the mechanism section, enter the mechanism section adjustment mode. For how to enter the mechanism section adjustment mode, refer to each adjustment section. DISC SENSOR ALIGMENT 1. Make sure that there is no disc in the unit. 2.
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 7. Move the holder (sensor) center so that the flat portion center at the top of the SENS (CH1) input waveform and the ‘’H” center of TEST (CH2) coincide. Flat portion center of TEST (CH2) waveform SENS (CH1) waveform SENS (CH1) waveform Fixed screw...
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 MAGNET ASSY ALIGMENT 1. Check that there is no disc in the unit and then turn ON the power. Open the door, and set a disc in the PLUS ONE slit. 2. Turn OFF the power, close the door, and while pressing the CLEAR and PLUS ONE buttons simultaneously, turn ON the power again. 3.

  • Page 18: Electrical Adjustments

    http://www.xiaoyu163.com SECTION 6 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 Note : 10. Confirm that oscilloscope waveform is clear and check RF sig- 1. CD Block is basically designed to operate without adjustment. nal level is correct or not. Therefore, check each item in order given. 11.

  • Page 19: Diagrams

    http://www.xiaoyu163.com SECTION 7 3 7 6 3 1 5 1 5 0 DIAGRAMS About RV502 on the AUDIO board 7-1. CIRCUIT BOARDS LOCATION oscilloscope RV502 of the AUDIO board requires no adjustments. Please note BD board that it should be dixed to mechanical center position when you moved and do not know origin position.
  • Page 20 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
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  • Page 23 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
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  • Page 26: Ic Pin Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 7-8. IC PIN FUNCTIONS • IC101 FOCUS/TRACKING/SLED SERVO (LA9240M) Pin No. Pin Name Function Connected to the pick-up photodiode FIN2 Added with FIN1 to create RF signal, subtracted with FIN1 to create FE signal FIN1 Connected to the pick-up photodiode Connected to the pick-up photodiode Subtracted with F to create TE signal...
  • Page 27 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 • IC102 DIGITAL SIGNAL PROCESSOR (LC78622E) Pin No. Pin Name Function SLOF Sled servo off control input Pin No. Pin Name Function CV– CLV error signal is input from the digital signal processor DEFI Defect detection signal (DEF) input (Be sure to connect to 0 when not in use) CLV error signal is input from the digital signal processor...
  • Page 28 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function EMPH Deemphasis monitor The deemphasis disc is being played back when “H” C2 flag output DOUT Digital OUT output (EIAJ format) TEST3 Test input Incorporates a pull-down resistor Be sure to connect to 0V TEST4 Test input Incorporates a pull-down resistor Be sure to connect to 0V N.
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 • IC801 SYSTEM CONTROL (CXP82320-074Q) Pin No. Pin Name Function TSENS1 Table sensor input RMIN SIRCS input – Ground Not used Not used DRF (FOK) input RWC (Latch) output CQCK Command output/Clock output for sub code SQOUT Sub code reading data input COIN...
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function Fluorescent indicator tube segment output Fluorescent indicator tube segment output Fluorescent indicator tube segment output Fluorescent indicator tube segment output Fluorescent indicator tube segment output Fluorescent indicator tube segment output Fluorescent indicator tube segment output Fluorescent indicator tube segment output Fluorescent indicator tube segment output...

  • Page 31: Ic Block Diagrams

    http://www.xiaoyu163.com 3 7 63 1515 0 7-9. IC BLOCK DIAGRAMS IC101 LA9240M 58 57 55 54 53 52 51 50 RF DET FIN2 FINI I / V DGND µ-COM INTERFACE RFS- RFSM RF AMP TESI T. SERVO & T. LOGIC SLOF TOFF F.
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 IC103 LA6541 IC701 LA5602 VREF ERROR MUTE REFERENCE VOLTAGE 11kΩ 11kΩ LEVEL LEVEL VINL VIN4 SHIFT SHIFT OVER CURRENT LIMITTER OVER HEAT PROTECTION DRIVER DRIVER ON / OFF RESET CDEL DRIVER DRIVER VOUT 11kΩ LEVEL 11kΩ...

  • Page 33: Exploded Views

    http://www.xiaoyu163.com SECTION 8 EXPLODED VIEWS 3 7 63 1515 0 NOTE: The components identified by • Abbreviation • Items marked “*” are not stocked since they are mark ! or dotted line with mark CND : Canadian model seldom required for routine service. Some delay ! are critical for safety.

  • Page 34: Front Panel Section

    * 62 4-987-942-01 HOLDER, FL TUBE * 53 4-988-674-01 CUSHION (CLOSE) 4-951-620-01 SCREW (2.6X8), +BVTP 3-008-600-01 EMBLEM (5-AR), SONY 1-765-321-11 WIRE (FLAT TYPE) (9 CORE) 4-987-877-01 PANEL, FRONT (CX50) 1-782-222-11 WIRE (FLAT TYPE) (11 CORE) 4-987-877-21 PANEL, FRONT (CX571) 4-933-134-61 SCREW (+PTPWH M2.6X6)

  • Page 35: Chassis Section

    http://www.xiaoyu163.com 3 7 63 1515 0 8-3. CHASSIS SECTION T501 not supplied L 13942296513 not supplied Les composants identifiés par The components identified by mark ! or dotted line with mark une marque ! sont critiques pour ! are critical for safety. la sécurité.

  • Page 36: Mechanism Deck Section 1 (Cdm-46)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-4. MECHANISM DECK SECTION 1 (CDM-46) not supplied not supplied not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 201 1-663-975-11 SW BOARD * 215 4-988-421-01 HOLDER (MAGNET) * 202 4-988-427-01 COVER, CAM 4-988-420-01 SLIDER (LOADING)

  • Page 37: Mechanism Deck Section 2 (Cdm-46)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-5. MECHANISM DECK SECTION 2 (CDM-46) L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 251 1-663-971-11 TABLE SENSOR BOARD * 257 4-988-426-01 BASE (CDM) 4-988-414-01 BELT * 258 1-663-972-11 DISC SENSOR (R) BOARD 4-988-423-01 GEAR (A) (LOADING) * 259...

  • Page 38: Optical Pick-Up Section (Ksm-213 Bfn/M-Np)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-6. OPTICAL PICK-UP SECTION (KSM-213 BFN/M-NP) not supplied M102 M101 L 13942296513 Les composants identifiés par The components identified by mark ! or dotted line with mark une marque ! sont critiques pour ! are critical for safety. la sécurité.

  • Page 39: Electrical Parts List

    http://www.xiaoyu163.com SECTION 9 AUDIO 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 40 http://www.xiaoyu163.com AUDIO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > A-4699-536-A BD BOARD, COMPLETE ******************* R301 1-249-413-11 CARBON 1/4W F R302 1-249-441-11 CARBON 100K 1/4W < CAPACITOR > R303 1-247-862-11 CARBON 1/4W...
  • Page 41 http://www.xiaoyu163.com DISC SENSOR (R) 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C175 1-163-038-91 CERAMIC CHIP 0.1uF R122 1-216-083-00 METAL CHIP 1/10W R123 1-216-099-00 METAL CHIP 120K 1/10W C181 1-104-664-11 ELECT 47uF R124 1-216-093-00 METAL CHIP...
  • Page 42 http://www.xiaoyu163.com DISC SENSOR (S) DISPLAY 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-663-973-11 DISC SENSOR (S) BOARD R813 1-249-419-11 CARBON 1.5K 1/4W F ********************* R814 1-249-421-11 CARBON 2.2K 1/4W F R815 1-247-843-11 CARBON 3.3K...
  • Page 43 http://www.xiaoyu163.com MOTOR POWER SW TABLE SENSOR 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-663-974-11 MOTOR BOARD MISCELLANEOUS ************* ************** < CONNECTOR > 1-558-943-61 CORD, POWER (E) 1-575-651-21 CORD, POWER CN61 1-506-469-11 PIN, CONNECTOR 4P (CX50:AEP,G,SP/CX571:AEP,G,SP,AUS) 1-590-926-11 CORD, POWER (US,CND)
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 Ref. No. Part No. Description Remark ************* HARDWARE LIST ************* 7-685-645-79 SCREW +BVTP 3X6 TYPE2 N-S 7-685-871-01 SCREW +BVTT 3X6 (S) 7-685-873-09 SCREW +BVTT 3X10 (S) 7-685-107-11 SCREW +P 2X12 TYPE2 NON-SLIT 7-685-534-19 SCREW +BTP 2.6X8 TYPE2 N-S 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S 7-621-770-67 SCREW +PWH 2.6X6 7-685-872-09 SCREW +BVTT 3X8 (S)
  • Page 45 CDP-CX50/CX571 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 97C0994-1 Printed in Japan © 1997. 3 9-960-907-11 Home A&V Products Company Published by Service and Safety Engineering Dept. (Shibaura) — 58 — http://www.xiaoyu163.com...

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