Sony CDP-CX55 Service Manual
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Sony CDP-CX55 Service Manual

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SERVICE MANUAL
MICROFILM
CDP-CX55
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
SPECIFICATIONS
— 1 —
US Model
Canadian Model
AEP Model
UK Model
Australian Model
PX Model
CDP-CX50/CX571
CDM-46TE
KSM-213BFN/M-NP
KSS-213B/S-N
COMPACT DISC PLAYER
E Model

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Summary of Contents for Sony CDP-CX55

  • Page 1 CDP-CX55 SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Australian Model PX Model Model Name Using Similar Mechanism CDP-CX50/CX571 CD Mechanism Type CDM-46TE Base Unit Type KSM-213BFN/M-NP Optical Pick-up Type KSS-213B/S-N SPECIFICATIONS COMPACT DISC PLAYER MICROFILM...

  • Page 2: Table Of Contents

    MODEL IDENTIFICATION TABLE OF CONTENTS — BACK PANEL — 1. SERVICING NOTE ............3 2. GENERAL ................6 3. DISASSEMBLY 3-1. Front Panel ................. 16 3-2. Illumination ASSY .............. 16 3-3. CD Mechanism Deck ............17 MODEL PARTS No. 3-4. Base Unit and Magnet Holder ..........17 3-5.

  • 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 CD-TEXT TEST DISC This unit is able to display the test data (character information) written in the CD on its fluorescent indicator tube. The CD-TEXT TEST DISC (TGCS-313:4-989-366-01) is used for checking the display. To check, perform the following procedure. Checking Method: 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 Display Recorded contents N All the same ! ” # $ % & ´ (21h to 27h)1kHz 0dB L&R N All the same + , –...

  • Page 6: General

    SECTION 2 GENERAL LOCATION OF PARTS AND CONTROLS Front Panel 1 POWER switch 12 CHECK button 2 Front cover 13 CLEAR button 3 CONTINUE button 14 ± button 4 Display window 15 ≠ button 5 SHUFFLE button 16 p button 6 PROGRAM button 17 P button 7 REPEAT button...
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  • Page 16: Disassembly

    SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. FRONT PANEL 3 Connector LED board: CNP841 5 Bracket (illumination) (with illumination assy) To AUDIO board 1 Screw (BVTT3x6) 4 Two screws (BVTT3x6) 2 Screw (BVTT3x6) !º...

  • Page 17: Cd Mechanism Deck

    !¡ CD mechanism deck 7 Connector 3-3. CD MECHANISM DECK DISC SENSOR (S) board: CN53 5 Two screws 6 Screw (BVTT3x10) (BVTT3x10) 8 Flat type wire (16 core) !∞ Connector BD board: CN102 TABLE SENSOR board: CN52 1 Screw (PTPWH2.6x8) !™...

  • Page 18: Cd Mechanism Section

    3-5. CD MECHANISM SECTION NOTE: Adjust the position of the gear as shown in the figure when attaching. 6 Screw (BTP2.6x8) 7 Cover (Lever) 9 Slider (Lock) !º Slider (Cam) 5 Screw (BTP2.6x8) 8 Disc holder 4 Cam cover !£ Slider (Loading) 3 Screw (BTP2.6x8)

  • Page 19: Test Mode

    SECTION 4 TEST MODE ADJ MODE FLUORESCENT INDICATOR TUBE, LED ALL LIT, AND KEY CHECK MODE 1. Press the POWER button to turn ON the power, and open the front cover. 1. Short-circuit the test point (TP302:ADJ) and test point 2.
  • Page 20 Partially lit 1 AGING MODE • Mode which repeatedly changes and plays back discs automati- A B C D E F G cally in the unit. • It will repeat aging as long as no errors occur. • If an error occurs during aging, it will stop all servos, motors, etc. Partially lit 2 instantaneously, display the error number, and stop operations.
  • Page 21 *3 Aging cycle count function: Error Display Functions which displays the number of agings carried out on 1 DISC the Fluorescent indicator tube in numbers. One aging cycle con- DISC sists of six discs. 1Err* 01 1 DISC TRACK MIN SEC DISC 0.02 Disc number...

  • Page 22: Mechanical Adjustments

    SECTION 5 MECHANICAL ADJUSTMENTS 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 23 8. 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 Holder (sensor) 9.
  • Page 24 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 25: Electrical Adjustments

    SECTION 6 ELECTRICAL ADJUSTMENTS 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 26 RF PLL Free-run Frequency Check When a general remote commander is not used: 1. Solder lead wires to TP (DVDD) and TP (TOFF) on the BD Procedure : board severally. 1. Connect the frequency counter to TP (PLCK) of the BD board. 2.
  • Page 27 Adjustment Location : [ BD BOARD ] — CONDUCTOR SIDE — CN102 IC102 CN103 (PLCK) CN101 (TOFF) (DVDD) (RF) (FE) IC101 (VC) (TE) [ MAIN BOARD ] — CONDUCTOR SIDE — [ MAIN BOARD ] — COMPONENT SIDE — TP303 (GND) R504 TP302 (ADJ) R505...

  • Page 28: Diagrams

    SECTION 7 DIAGRAMS 7-1. CIRCUIT BOARDS LOCATION LED board MAIN board POWER SW board AUDIO board DISPLAY board DISC SENSOR (S) board TABLE SENSOR board DISC SENSOR (R) board BD board SW board MOTOR board — 28 —...
  • Page 29 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS • Waveforms AND SCHEMATIC DIAGRAMS. BD SECTION (In addition to this, the necessary note is printed in each block.) 1.4Vp-p NOTE • : parts extracted from the component side. • : parts extracted from the conductor side. (PLAY) •...

  • Page 30: Ic Block Diagrams

    7-2. 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. SERVO & F. LOGIC SPINDLE SERVO SLED SERVO IC102 LC78622E...
  • Page 31 IC103 LA6541 IC201 LA5602 IC601 BA6780 VIN1 VIN2 ERROR VREF MUTE REFERENCE VOLTAGE 11kΩ 11kΩ LEVEL LEVEL FIN1 FIN2 VINL VIN4 SHIFT SHIFT OVER CURRENT LIMITTER OVER HEAT RIN1 RIN2 PROTECTION DRIVER DRIVER ON / OFF IOUT RESET CDEL VREF VREG FBIN- DRIVER...

  • Page 32: Block Diagrams

    CDP-CX55 7-3. BLOCK DIAGRAMS — BD SECTION — SL– OPTICAL PICK-UP BLOCK DETECTOR COIN MAIN CQCK SECTION FIN1 FIN2 FOCUS/TRACKING SERVO SQOUT RF AMP IC101 (1/2) 53 55 RFSM 10 EFMIN LCHO LOUT TE– CD-TEXT IC104 SBCK EXCK DQSY DQSY...

  • Page 33: Main Section

    CDP-CX55 — MAIN SECTION — MIX AMP LINE AMP LOUT LINE OUT IC301 IC302 J301 2ND CD IN MUTE MUTE MUTE MUTE Q331 Q301 Q302 Q303 MUTE POWER MUTE MUTE D841-D843 SWITCH ON/OFF MUTE SWITCH SWITCH S RAM IC502 RESET...

  • Page 43: Ic Pin Functions

    7-14. IC PIN FUNCTIONS • IC501 SYSTEM CONTROL (CXP84340-051Q) Pin No. Pin Name Function SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output SRAM address output...
  • Page 44 Pin No. Pin Name Function TEST pin (GND=ADJ/2.5V=AFADJ/4V=MECHANICAL ADJ) D.SENS DISC sensor input CD 1/2/3/ sw input CD1/2/3 SL– BD sled output Contlor A1 output pin BUSOUT BUSIN Contlor A1 input pin BD sled output BD clock output CQCK SQOUT BD SUBQ input BD data output COIN...
  • Page 45 • IC901 FL DRIVE (MSM9202-03GK-BK) Pin No. Pin Name Function Fluorescent display tube anode electrodedrive output terminal Fluorescent display tube anode electrodedrive output terminal Fluorescent display tube anode electrodedrive output terminal Fluorescent display tube anode electrodedrive output terminal Fluorescent display tube anode electrodedrive output terminal Fluorescent display tube anode electrodedrive output terminal Fluorescent display tube anode electrodedrive output terminal Fluorescent display tube anode electrodedrive output terminal...
  • Page 46 Pin No. Function Pin Name Fluorescent display tube grid electrodedrive output terminal Fluorescent display tube grid electrodedrive output terminal Fluorescent display tube grid electrodedrive output terminal uorescent display tube grid electrodedrive output terminal Fluorescent display tube grid electrodedrive output terminal Fluorescent display tube grid electrodedrive output terminal Fluorescent display tube grid electrodedrive output terminal Fluorescent display tube drive power supply...

  • Page 47: Exploded Views

    SECTION 8 EXPLODED VIEWS NOTE: The components identified by • Hardware (# mark) list and accessories and pack- • Items marked “*” are not stocked since they are mark ! or dotted line with mark ing materials are given in the last of this parts list. seldom required for routine service.

  • Page 48: Front Panel Section

    X-4948-084-1 LID ASSY 1-773-174-11 WIRE (FLAT TYPE) (21 CORE) 4-987-941-01 KNOB (JOG) 4-991-154-01 BUTTON (3 GANG) * 53 4-988-674-01 CUSHION (CLOSE) 3-008-600-01 EMBLEM (5-AR), SONY 4-933-134-61 SCREW (+PTPWH M2.6X6) 4-987-877-11 PANEL, FRONT * 67 4-978-398-21 CUSHION 4-989-312-01 LATCH, NS 4-987-955-11 WINDOW (FL)

  • Page 49: Chassis Section

    8-3. CHASSIS SECTION T501 not supplied Les composants identifiés par The components identified by une marque ! sont critiques pour mark ! or dotted line with mark ! are critical for safety. la sécurité. Replace only with part number Ne les remplacer que par une specified.

  • Page 50: Mechanism Deck Section 1 (Cdm-46Te)

    8-4. MECHANISM DECK SECTION 1 (CDM-46TE) not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 201 1-663-975-11 SW BOARD A-4672-385-A MAGNET ASSY * 202 4-988-427-01 COVER, CAM 4-960-633-01 YOKE (MAGNET) 4-988-420-01 SLIDER (LOADING) 4-960-632-11 PULLEY (B) 4-988-436-01 SPRING (LOADING), TORSION...

  • Page 51: Mechanism Deck Section 2 (Cdm-46Te)

    8-5. MECHANISM DECK SECTION 2 (CDM-46TE) 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 1-663-974-11 MOTOR BOARD 4-988-425-01 PULLEY...

  • Page 52: Optical Pick-Up Section (Ksm-213 Bfn/M-Np)

    8-6. OPTICAL PICK-UP SECTION (KSM-213 BFN/M-NP) not supplied M102 M101 The components identified by Les composants identifiés par mark ! or dotted line with mark une marque ! sont critiques pour ! are critical for safety. la sécurité. Replace only with part number Ne les remplacer que par une specified.

  • Page 53: Electrical Parts List

    SECTION 9 AUDIO ELECTRICAL PARTS LIST 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 ! or dotted line with mark uA...: µ...
  • Page 54 AUDIO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R311 1-247-887-00 CARBON 220K 1/4W A-4699-675-A BD BOARD, COMPLETE R312 1-247-826-00 CARBON 1/4W ******************* R313 1-249-409-11 CARBON 1/4W F < CAPACITOR > R314 1-249-421-11 CARBON 2.2K 1/4W F R315 1-249-393-11 CARBON 1/4W F...
  • Page 55 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C172 1-126-177-11 ELECT 100uF R114 1-216-055-00 METAL GLAZE 1.8K 1/10W C173 1-124-589-11 ELECT 47uF R115 1-216-689-11 METAL CHIP 1/10W C174 1-163-038-91 CERAMIC CHIP 0.1uF R116 1-216-057-00 METAL CHIP 2.2K 1/10W C175...
  • Page 56 DISC SENSOR (R) DISC SENSOR (S) DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R196 1-216-025-91 METAL GLAZE 1/10W < IC > R197 1-216-025-91 METAL GLAZE 1/10W IC802 8-759-459-84 IC NJL56H400 < SWITCH > IC901 8-759-451-97 IC MSM9202-03GS-BK S101 1-572-085-11 SWITCH, LEAF (LIMIT)
  • Page 57 DISPLAY MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S909 1-554-303-21 SWITCH, TACTILE (CLEAR) C530 1-110-489-11 CAPACITOR 5.5V S910 1-554-303-21 SWITCH, TACTILE (CHECK) C531 1-164-159-11 CERAMIC 0.1uF < CONNECTOR > S911 1-554-303-21 SWITCH, TACTILE (REPEAT) S912 1-554-303-21 SWITCH, TACTILE (PROGRAM) S913...
  • Page 58 MAIN MOTOR POWER SW Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > 1-663-974-11 MOTOR BOARD *********** R201 1-249-435-11 CARBON 1/4W < CONNECTOR > R202 1-249-425-11 CARBON 4.7K 1/4W F R203 1-249-429-11 CARBON 1/4W R204 1-249-438-11 CARBON 1/4W...
  • Page 59 TABLE SENSOR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-663-971-11 TABLE SENSOR BOARD ACCESSORIES & PACKING MATERIALS ****************** ******************************* 1-475-208-11 REMOTE COMMANDER (RM-DX55) 7-685-132-19 SCREW +BTP 2.6X5 TYPE2 N-S 1-558-271-11 CORD, CONNECTION (AUDIO 108cm) < CONNECTOR > 3-810-765-32 MANUAL,COMMONNESS INSTRUCTION (FOR CONTROL-A1)(ENGLISH)(US,UK,AUS,PX) * CN51...
  • Page 60 CDP-CX55 Sony Corporation 97E0994-1 Printed in Japan © 1997. 5 9-960-977-11 Home A&V Products Company Published by General Engineering Dept. (Shibaura) — 72 —...

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