Sony CDP-SP55 Service Manual
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Sony CDP-SP55 Service Manual

Mini hi-fi component system
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SERVICE MANUAL
CDP-SP55 is the CD section in CMT-SP55MD
or CMT-SP55TC.
System
Laser
Laser output
Frequency response
Output
DIGITAL OPTICAL OUT: Optical
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
SPECIFICATIONS
Compact disc and digital audio
system
Semiconductor laser (λ=780 nm)
Emission duration: continuous
Max. 44.6 µW*
*This output is the value
measured at a distance of 200 mm
from the objective lens surface on
the Optical Pick-up Block with
7 mm aperture.
20 Hz – 20 kHz
MINI Hi-Fi COMPONENT SYSTEM
CDP-SP55
General
Approx. 202 × 75 × 290 mm
Dimensions (w/h/d)
Mass
Approx. 1.5 kg
Design and specifications are subject to change
without notice.
AEP Model
UK Model
E Model
NEW
CDM55C-K6BD38
BU-K6BD38
KSM-213DCP/Z-NP
1

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Summary of Contents for Sony CDP-SP55

  • Page 1 CDP-SP55 SERVICE MANUAL AEP Model UK Model E Model CDP-SP55 is the CD section in CMT-SP55MD or CMT-SP55TC. Model Name Using Similar Mechanism CD Mechanism Type CDM55C-K6BD38 Base Unit Type BU-K6BD38 Optical Pick-up Type KSM-213DCP/Z-NP SPECIFICATIONS General System Compact disc and digital audio system Approx.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. SERVICING NOTE ·························································· 4 2. GENERAL ·········································································· 6 3. DISASSEMBLY 3-1. Case ···················································································· 7 3-2. Front Panel Assy ································································· 7 3-3. CD Mechanism Deck (CDM55C-K6BD38) ······················ 8 3-4. Main Board ········································································· 8 3-5. CAM, GEAR ······································································ 9 3-6.
  • Page 3 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE 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.

  • Page 4: Servicing Note

    SECTION 1 SERVICING NOTE This unit cannot be repaired by itself. When repairing, connect the whole system except for the speaker. CD Text Display • This unit displays CD text. Text is displayed for the first 50 track only and will not be displayed from the 51st track onwards. Do not suspect a fault in this case. In some cases, some special characters will not be displayed and may be replaced by other characters.
  • Page 5 Aging Mode • Mode for repeating operations of the CD player and TC deck automatically. When errors occur: Aging stops and a message indicating that an error has occurred such as “CD MEC ERR” is displayed. (For details of errors, refer to “Error History Display Mode”.) When no errors occur: Aging is repeatedly performed.

  • Page 6: General

    SECTION 2 This section is extracted from instruction manual. GENERAL PLAY MODE button lm button REPEAT button ML button H button A button S button S indicator s button H indicator...

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Case Front Panel Assy Main Board (Page 8) CD Mechanism Deck (CDM55C-K6BD38) Cam, Gear (Page 8) (Page 9) Holder Assy Optical pick-up BD Board (Page 9) (Page 10) (Page 10) 3-1. CASE 4 case 1 two screws (case 3 TP2) 1 two screws (case 3 TP2)

  • Page 8: Cd Mechanism Deck (Cdm55C-K6Bd38)

    3-3. CD MECHANISM DECK (CDM55C-K6BD38) 5 CD mechanism deck 3 screw (BVTP 3x8) two claws 2 connector (CN112) 1 flat type wire (19 core) (CN713) 3-4. MAIN BOARD 2 main board 1 screw (BVTP 3x8)

  • Page 9: Cam, Gear

    3-5. CAM, GEAR 4 belt (CDM55) 5 bushing 6 pulley (LDG) 8 gear (B) 9 gear (A) 7 roller 0 cam (CDM55) 2 Push the claw in tne direction of arrow C. 1 Pull out the tray in the arrow direction A, and release the lock while pressing this claw in the arrow direction B.

  • Page 10: Optical Pick-Up

    3-7. OPTICAL PICK-UP 3 Optical pick-up 1 Release the lever in the 4 flat type wire arrow direction B. (16 core) 2 sled shaft 3-8. BD BOARD 2 Remove the four solders. M101 IC102 M102 IC103 IC101 3 BD board 1 screw (BVTP 2.6x8)

  • Page 11: Electrical Adjustment

    SECTION 4 ELECTRICAL ADJUSTMENT Note : Note: Clear RF signal waveform means that the shape “◊” can be 1. CD Block is basically designed to operate without adjustment. clearly distinguished at the center of the waveform. Therefore, check each item in order given. 2.
  • Page 12 Adjustment Location: [BD BOARD] (Conductor Side) (XPCK) (AGCCON) IC103 (TEO) IC101 (FEO) (FEI) (VC) (RF) (DGND)

  • Page 13: Diagrams

    SECTIOIN 5 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING • Indication of transistor BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) These are omitted. 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: Circuit Boards Location

    • WAVEFORMS – BD BOARD – IC101 yj (XTAO) IC101 ra (TE) PLAY MODE PLAY MODE approx 300mVp-p 6.4Vp-p 59nsec IC101 ta (RFAC) IC101 el (FE) PLAY MODE PLAY MODE approx 400mVp-p 1.2Vp-p 1µsec/div 5-1. CIRCUIT BOARDS LOCATION BD board LOADING board MAIN board PANEL 2 board...

  • Page 15: Block Diagram

    CDP-SP55 5-2. BLOCK DIAGRAM IC701 DIGITAL OPTICAL PICK-UP BLOCK (KSM-213DCP/Z-NP) IC101 OPTICAL DIGITAL SERVO DETECTOR IC103 DIGITAL SIGNAL PRCESSOR RF AMP DIGITAL D OUT DOUT ERROR CORRECTOR CN701 S771-778 RF AC RF EQ CD KEY SUMMING MATRIX OVER SAMPLING DEMODULATOR...

  • Page 16: Printed Wiring Board - Bd Section

    CDP-SP55 5-3. PRINTED WIRING BOARD – BD SECTION – • See page 14 for Circuit Boards Location. There are a few cases that the part isn't mounted in model is printed on diagram.

  • Page 17: Schematic Diagram - Bd Section

    CDP-SP55 5-4. SCHEMATIC DIAGRAM – BD SECTION – • See page 14 for Waveforms. • See page 20 for IC Block Diagrams.

  • Page 18: Printed Wiring Board - Main Section

    CDP-SP55 5-5. PRINTED WIRING BOARD – MAIN SECTION – • See page 14 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D711 D712 D713 D714 D731 D741 IC701 IC721 IC731 IC741 Q741 Q742 There are a few cases that the part isn't mounted...

  • Page 19: Schematic Diagram - Main Section

    CDP-SP55 5-6. SCHEMATIC DIAGRAM – MAIN SECTION – • See page 21 for IC Block Diagrams.

  • Page 20: Printed Wiring Board - Loading Section

    CDP-SP55 5-9. IC BLOCK DIAGRAM 5-7. PRINTED WIRING BOARD – LOADING SECTION – IC101 CXD2587Q (BD BOARD) (Page 18) ERROR ASYMMETRY DIGITAL DIGITAL CORRECTOR CORRECTION LRCK OPERATIONAL AMPLIFIER PCMD INTERFACE DEMODULATOR ANALOG SWITCH CONVERTER EMPH XVDD CLOCK XTSL GENERATOR (OPEN/CLOSE SW)
  • Page 21 IC103 CXA2568M-T6 (BD BOARD) APC PD AMP LC/PD LD_ON HOLD AGCVTH VREF APC LD AMP HOLD_SW AGCCONT (50%/30% OFF) RF_BOT RFTC RF SUMMING AMP RF_EQ_AMP RF_1 ERROR AMP FOCUS TRACKING ERROR AMP VC BUFFER IC731 LB1641 (MAIN BOARD) T.S.D O.C.P MOTOR MOTOR DRIVE...

  • Page 22: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Hardware (# mark) list and accessories and The components identified by mark 0 or have some differences from the original one. packing materials are given in the last of this dotted line with mark 0 are critical for safety.

  • Page 23: Cd Mechanism Deck Section (Cdm55C-K6Bd38)

    6-2. CD MECHANISM DECK SECTION (CDM55C-K6BD38) not supplied M103 BU-K6BD38 not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-674-336-21 LOADING BOARD 4-220-238-01 GEAR (B) 4-224-894-11 TRAY (CDM55D) 1-452-925-21 MAGNET ASSY 4-220-229-01 LEVER (SW) X-4953-195-1 PULLEY (AT) ASSY 4-220-239-11 SPRING, TORSION 4-985-672-01 SCREW (+PTPWHM2.6), FLOATING 4-227-679-01 INSULATOR (213)

  • Page 24: Base Unit Section (Bu-6Bd38)

    6-3. BASE UNIT SECTION (BU-K6BD38) 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 Remarks A-4724-934-A BD BOARD, COMPLETE 0 552 8-820-116-01 OPTICAL PICK-UP KSM-213DCP/Z-NP 1-792-024-11 WIRE (FLAT TYPE) (16 CORE) 4-951-620-01 SCREW (2.6X8), +BVTP...

  • Page 25: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • COILS Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks When indicating parts by reference number, parts list may be different from the parts uH: µH please include the board name.
  • Page 26 LOADING MAIN PANEL 1 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R147 1-216-069-00 METAL CHIP 6.8K 1/10W < CONNECTOR > R148 1-216-001-00 METAL CHIP 1/10W R149 1-216-001-00 METAL CHIP 1/10W * CN112 1-568-954-11 PIN, CONNECTOR 5P CN701 1-794-498-11 SOCKET, CONNECTOR 20P R158...
  • Page 27 PANEL 1 PANEL 2 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < SWITCH > S771 1-771-410-21 SWITCH, TACTILE (lm) S772 1-771-410-21 SWITCH, TACTILE (ML) S773 1-771-410-21 SWITCH, TACTILE (A) S774 1-771-410-21 SWITCH, TACTILE (s) S775 1-771-410-21 SWITCH, TACTILE (S) S776 1-771-410-21 SWITCH, TACTILE (H)
  • Page 28 CDP-SP55 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Sony Corporation 9-929-538-11 2000I097551-1 Audio Entertainment Group Printed in Japan ©2000.9 Published by General Engineering Dept.

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