Sony CDP-CX220 Service Manual
Sony CDP-CX220 Service Manual

Sony CDP-CX220 Service Manual

Compact disc player

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SERVICE MANUAL
Compact disc player
Laser
Laser output
Frequency response
Signal-to-noise ratio
Dynamic range
Harmonic distortion
Channel separation
Outputs
Jack
Maximum
type
output
level
LINE OUT
Phono
2V
Jacks
(at 50 kilohms)
DIGITAL
Optical
–18 dBm
OUT
output
(OPTICAL)
connector
MICROFILM
SPECIFICATIONS
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 to 20 kHz ± 0.5 dB
More than 105 dB
More than 98 dB
Less than 0.0045%
More than 97 dB
Load impedance
Over 10 kilohms
Wave length: 660 nm
CDP-CX220
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
General
Power requirements
Where purchased
Power requirements
USA/Canada
120 V AC, 60 Hz
Australia
240 V AC, 50/60 Hz
Europe
220 V – 230 V AC, 50/60 Hz
Other countries
110 V – 120 V or 220 V – 240 V AC,
adjustable, 50/60 Hz
Power consumption
12 W
Dimensions (approx.)
When the front cover is closed
430 × 200 × 480 mm (17 × 7
(w/h/d)
incl. projecting parts
Mass (approx.)
9.5 kg (21 lbs)
Supplied accessories
Audio cord (2 phono plugs – 2 phono plugs) (1)
Remote commander (remote) (1)
Sony SUM-3 (NS) batteries (2)
CD booklet holders (2) and label (1)
Design and specifications are subject to change without notice.
COMPACT DISC PLAYER
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
CDP-CX250
CDM-40B
KSM-213BKN/M-N
KSS-213B/S-N
× 19 in.)
7
/
8

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Summary of Contents for Sony CDP-CX220

  • Page 1 Less than 0.0045% Supplied accessories Audio cord (2 phono plugs – 2 phono plugs) (1) Channel separation More than 97 dB Remote commander (remote) (1) Sony SUM-3 (NS) batteries (2) Outputs CD booklet holders (2) and label (1) Jack Maximum Load impedance Design and specifications are subject to change without notice.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS CAUTION Use of controls or adjustments or performance of procedures SERVICING NOTES ..........3 other than those specified herein may result in hazardous radiation exposure. GENERAL ..............6 DISASSEMBLY ............7 The laser component in this product is capable of emitting radiation TEST MODE ..............
  • Page 3: Servicing Notes

    SONY PARTS WHOSE PART NUMBERS APPEAR AS DE FONCTIONNEMENT. NE REMPLACER CES COM- SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- POSANTS QUE PAR DES PIÈCES SONY DONT LES LISHED BY SONY. NUMÉROS 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 Recorded Contents Display ! ” # $ % & ´ (21h to 27h)1kHz 0dB L&R N All the same + , –...
  • Page 6: General

    SECTION 2 GENERAL LOCATION OF PARTS AND CONTROLS Front Panel !¡ !º !™ STANDBY !£ DISC/CHARACTER INPUT MEMO SEARCH PUSH ENTER CONTINUE SHUFFLE PROGRAM REPEAT TIME/TEXT ± ± CHECK CLEAR OPEN/CLOSE GROUP 1 GROUP 2 GROUP 3 GROUP 4 ª §...
  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CASE 1 four screws 3 Remove the case to (case 3 TP2) direction of arrow A . 1 five screws (case 3 TP2) 2 Open the case. FRONT PANEL SECTION 1 flat wire (CN501) 6 Remove the door (CD) ass’y...
  • Page 8 GUIDE ASS’Y 3 three screws (BVTT3 × 6) 4 boss 5 guide ass’y 3 three screws 2 screw (BVTT3 × 6) (PSW3 × 6) 1 connector (CN503) REAR PANEL SECTION 3 three connectors 1 connector (CN504, 506, 507) (CN505) 2 flat wire 6 rear panel section (CN502) 4 five screws...
  • Page 9 MECHANISM DECK 2 mechanism deck 1 three screws (BVTT3 × 8) 1 six screws (BVTT3 × 8) BASE UNIT 1 screw (BVTT3 × 8) 2 fulcrum plate (BU upper) ass’y 3 base unit – 9 –...
  • Page 10 SECTION 4 TEST MODE DISPLAY CHECK MODE KEY AND FLUORESCENT DISPLAY TUBE CHECK With the power turned off (standby state), press the I/u button MODE while pressing the P (pause) button. 1. Connect the test point (TP:AFADJ) of the MAIN board to the All FL segments and grids light up together with the ·...
  • Page 11 Partial lighting 1 AGING MODE • Mode which repeatedly changes and plays back discs automati- cally in the unit. • It will repeat aging as long as no errors occur. A B C D E F G • If an error occurs during aging, it will stop all servos, motors, etc.
  • Page 12 Aging Method [COMMAND MODE] 1. Change the switch (S901) on set to [CD1] 2. Turn ON the power of the unit. Open the front cover. [AGING START] 3. Press the button of the remote commander for aging mode (J-2501-123-A). 4. When the disc set mode is set, the · and P LEDs blink. 5.
  • Page 13: Mechanical Adjustments

    SECTION 5 MECHANICAL ADJUSTMENTS Perform the following steps before carrying out adjustments. 1. Turn ON the power of the unit, set disc to disc table No. 92, and perform chucking. 2. Turn OFF the power. 3. Remove the case. [STOP] button, turn ON the I/u button.
  • Page 14 GUIDE (DISC T) ALIGNMENT holder (guide T) fixed screw guide (disc T) (1) Rotate the cam and adjust to the posi- tion shown in the figure. guide (disc T) (2) Check that the state is as shown in the figure. disc tapering screwdriver guide (disc T)
  • Page 15 HOLDER (DISC A2) ALIGNMENT holder (disc A2) thrust screw (1) Rotate the cam and adjust to the position shown in the figure. disc 0 – 1 mm holder (disc A2) (2) Check that the state is as shown in the figure. disc holder (disc A2) thrust...
  • Page 16 SENSOR ALIGNMENT Perform this adjustment after the “holder (disc A2) adjustment”. If the disc table swings to the left and right just before the disc is chucked, perform the following adjustment. lever (stopper) ass’y (1) Rotate the cam and adjust to the position bracket (sensor) shown in the figure.
  • Page 17 PULLY AND DISC CENTER HOLE ALIGNMENT base unit bracket (BU adjustment) (1) Rotate the cam and adjust to the position shown in the figure. magnet ass’y (2) Check that the state is as shown in the figure. 0.5 – 2 mm disc disc pulley disc hole...
  • Page 18 MAGNET ASS’Y ALIGNMENT adjustment screw magnet ass’y (1) Rotate the cam and adjust to the position shown in the figure. disc magnet holder magnet ass’y adjustment screw 1 2 3 4 1 2 3 4 (3) Apply suitable locking compaund to the part after ad- 1 2 3 4 justing.
  • Page 19: Electrical Adjustments

    SECTION 6 ELECTRICAL ADJUSTMENTS Note: Note: A clear RF signal waveform means that the shape “◊” can be clearly 1. CD Block is basically designed to operate without adjustment. There- distinguished at the center of the waveform. fore, check each item in order given. RF signal waveform 2.
  • Page 20 RF PLL Free-run Frequency Check Procedure: 1. Connect the oscilloscope to Pins 1, 2, and 4 of CN506 of Procedure : the MAIN board. Also connect a 1 kΩ resistor to Pin 4 at the 1. Connect frequency counter to test point TP (XPCK) with lead wire.
  • Page 21 Adjustment Location: [BD BOARD] – Side B – (XPCK) IC101 (FE) TP (RFO) (VC) TP (TE) (FE1) (FE2) IC103 [MAIN BOARD] – Component Side – CN501 CN506 RV501 IC502 (AFADJ) IC501 (ADJ) CN509 CN508 – 21 –...
  • Page 22: Diagrams

    SECTION 7 DIAGRAMS • Circuit Boards Location ILLUMINATION board D. SENS (RAY CATCHER) board MAIN board D. SENS (LUMINOUS) board DISP board JACK board T. SENS board T. MOTOR board DOOR SN board DOOR MOTOR board JOG board BD board L.
  • Page 23: Note For Printed Wiring Boards And Schematic Diagrams

    CDP-CX220 7-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Waveforms – BD Section – – PANEL Section – THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. 1 IC101 ^§ (XTAI) 1 IC701 %• (OSC0) (In addition to this, the necessary note is printed in each block.)
  • Page 24: Printed Wiring Board - Bd Section

    CDP-CX220 7-2. PRINTED WIRING BOARD – BD Section – • See page 22 for Circuit Boards Location. (Page 30) – 25 – – 26 –...
  • Page 25: Schematic Diagram - Bd Section

    CDP-CX220 7-3. SCHEMATIC DIAGRAM – BD Section – • • See page 24 for Waveforms. See page 44 for IC Block Diagrams. (Page 32) • no mark: PLAY Note: Note: • Signal path. Les composants identifiés par The components identi-...
  • Page 26: Printed Wiring Board - Main Section

    CDP-CX220 7-4. PRINTED WIRING BOARD – MAIN Section – • See page 22 for Circuit Boards Location. (Page 41) (Page 37) (Page 42) • Semiconductor Location Ref. No. Location D327 D501 D502 D503 D504 D505 (Page 41) D506 D507 D508...
  • Page 27: Schematic Diagram - Main Section

    CDP-CX220 7-5. SCHEMATIC DIAGRAM – MAIN Section – • • See page 24 for Waveforms. See page 45 for IC Block Diagrams. (Page 27) (Page 43) (Page 43) (Page 36) (Page 43) (Page 43) (Page 43) (Page 40) (Page 35) •...
  • Page 28: Printed Wiring Boards - Jack Section

    CDP-CX220 7-6. PRINTED WIRING BOARDS – JACK Section – • See page 22 for Circuit Boards Location. (Page 29) (Page 30) – 33 – – 34 –...
  • Page 29: Schematic Diagram - Jack Section

    CDP-CX220 7-7. SCHEMATIC DIAGRAM – JACK Section – (Page 32) (Page 32) • no mark: PLAY Note: Note: • Signal path. The components identi- Les composants identifiés par : CD fied by mark ! or dotted une marque ! sont critiques...
  • Page 30: Printed Wiring Boards - Panel Section

    CDP-CX220 7-8. PRINTED WIRING BOARDS – PANEL Section – • See page 22 for Circuit Boards Location. (Page 38) (Page 38) (Page 37) (Page 37) (Page 29) • Semiconductor Location (DISP Board) Ref. No. Location D701 D702 D703 D704 D705...
  • Page 31: Schematic Diagram - Panel Section

    CDP-CX220 7-9. SCHEMATIC DIAGRAM – PANEL Section – • • See page 24 for Waveforms. See page 46 for IC Block Diagrams. (Page 31) – 39 – – 40 –...
  • Page 32: Printed Wiring Board - Sensor/Motor Section

    CDP-CX220 7-10. PRINTED WIRING BOARDS – SENSOR/MOTOR Section – • See page 22 for Circuit Boards Location. (Page 30) (Page 30) (Page 29) (Page 29) (Page 29) – 41 – – 42 –...
  • Page 33: Schematic Diagram - Sensor/Motor Section

    CDP-CX220 7-11. SCHEMATIC DIAGRAM – SENSOR/MOTOR Section – (Page 31) (Page 31) (Page 31) (Page 31) (Page 31) – 43 –...
  • Page 34 • IC Block Diagrams – BD Board – IC101 CXD2587Q ERROR DIGITAL CORRECTOR DIGITAL ASYMMETRY CORRECTION OPERATIONAL LRCK AMPLIFIER ANALOG SWITCH PCMD INTERFACE DEMODULATOR CONVERTER EMPH XVDD XTAI TIMING LOGIC CLOCK XTAO XTSL GENERATOR XVSS TES1 AVDD1 TEST AOUT1 SERVO DSP PWM GENERATOR AIN1 FRDR...
  • Page 35 IC103 CXA2568M-T6 HOLD APC PD AMP LC/PD APC LD AMP – LD ON – – – HOLD SW AGC CONT AGC VTH 50µA RF BOT – – – – RFTC RF SUMMING AMP RF EQ AMP RF I RF O –...
  • Page 36 IC506 LA5616 VIN1 ON/OFF CURRENT LIMITER OVERHEAT ON/OFF PROTECT VREF RESET GENERATOR ERROR ERROR VIN2 – DISP Board – IC702 M66310FP – 46 –...
  • Page 37: Ic Pin Function Description

    7-12. IC PIN FUNCTION DESCRIPTION • MAINN BOARD IC501 CXP84340-075Q (SYSTEM CONTROLLER) Pin No. Pin Name Function 1 to 5 A3 to A7 Address signal output to the static RAM (IC502) 8 to 11 A11 to A8 Data write enable signal output to the static RAM (IC502) “L” active Chip enable signal output to the static RAM (IC502) “H”...
  • Page 38 Pin No. Pin Name Function Command serial data transfer clock signal output to the CXD2587Q (IC101) Command latch pulse output to the CXD2587Q (IC101) “L” active DATA Command serial data output to the CXD2587Q (IC101) SENS serial data reading clock and subcode Q data reading clock signal output to the CXD2587Q SQCLK (IC101) SUBQ...
  • Page 39: Exploded Views

    A-4724-033-A DISP BOARD, COMPLETE (EXCEPT US, CND) X-4949-618-1 PANEL ASSY, FRONT (US, CND) 1-783-364-11 WIRE (FLAT TYPE) (15 CORE) X-4949-619-1 PANEL ASSY, FRONT (EXCEPT US, CND) 1-669-161-11 JOG BOARD 4-996-698-01 EMBLEM, SONY 3-363-099-01 SCREW (CASE 3 TP2) 4-951-620-01 SCREW (2.6X8), +BVTP * 11 4-982-946-11 CASE...
  • Page 40 (2) GUIDE ASSY, REAR PANEL SECTION not supplied not supplied AEP, UK, AED, #4 #1 supplied supplied US, CND supplied supplied T901 supplied The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety.
  • Page 41 (3) CHASSIS SECTION CDM-40B supplied M801 M810 supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 1-669-167-11 DOOR MOTOR BOARD * 117 1-661-469-11 D. SENS (RAY CATCHER) BOARD * 102 X-4949-615-1 BRACKET (GEAR) ASSY 4-976-471-01 BEARING (TABLE) 4-998-510-01 GEAR (PULLEY) X-4947-231-1 TABLE (200) ASSY...
  • Page 42 (4) MECHANISM DECK SECTION-1 (CDM-40B) not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4947-241-1 LEVER (C) ASSY A-4672-092-A MAGNET ASSY 4-982-882-01 SPRING (LIMITTER), TORSION 3-366-559-02 MAGNET (CHUCK) 4-982-881-01 SPRING (HOLDER), TORSION 4-960-633-01 YOKE (MAGNET) X-4947-239-1 LIMITTER (A) ASSY 4-960-632-11 PULLEY (B)
  • Page 43 (5) MECHANISM DECK SECTION-2 (CDM-40B) not supplied not supplied not supplied M802 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-976-465-01 GEAR (LOADING 1) X-4947-227-1 LEVER (STOPPER) ASSY 4-976-466-01 GEAR (LOADING 2) 4-951-291-01 SCREW 4-982-893-01 GEAR (CENTER 2) X-4947-234-1 SLIDER (LOCK) ASSY X-4947-607-1 GEAR (PULLEY) ASSY 4-982-857-01 BEARING (CAM)
  • Page 44 (6) MECHANISM DECK SECTION-3 (CDM-40B) KSM-213BKN/M-N Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-356-601-11 SCREW, STEP 4-982-872-01 SPRING (F-2), TENSION X-4947-244-1 SLIDER (BU ADJUSTMENT) ASSY 4-982-871-01 SPRING (F-1), TENSION X-4947-243-1 HOLDER (BU) ASSY 4-982-858-01 DAMPER 4-982-859-01 HOLDER (DAMPER) 4-960-617-01 CAP (F) 4-982-878-01 SPRING (F), COMPRESSION...
  • Page 45 (7) OPTICAL PICK-UP SECTION (KSM-213BKN/M-N) not supplied M101 M102 The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified.
  • Page 46: Electrical Parts List

    SECTION 9 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • SEMICONDUCTORS The components identified by mark ! or dotted line with mark In each case, u: µ, for example: parts list may be different from the parts speci- ! are critical for safety.
  • Page 47 D. SENS (LUMINOUS) D. SENS (RAY CATCHER) DISP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R117 1-216-049-11 RES, CHIP 1/10W C703 1-162-306-11 CERAMIC 0.01uF R119 1-216-043-00 RES, CHIP 1/10W C704 1-164-159-11 CERAMIC 0.1uF C705 1-124-584-00 ELECT 100uF R123 1-216-073-00 METAL CHIP...
  • Page 48 DISP DOOR MOTOR DOOR SW ILLUMINATION JACK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-669-164-11 JACK BOARD R733 1-249-417-11 CARBON 1/4W ********** R734 1-249-419-11 CARBON 1.5K 1/4W R735 1-249-421-11 CARBON 2.2K 1/4W 4-962-200-11 PLATE (TR), GROUND R736 1-247-843-11 CARBON 3.3K...
  • Page 49 JACK L.MOTOR L.SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSFORMER > 1-661-467-11 L.SW BOARD ********** ! T901 1-431-759-11 TRANSFORMER, POWER (US, CND) ! T901 1-431-760-11 TRANSFORMER, POWER < SWITCH > (AEP, AED, UK, SP, AUS) ! T901 1-431-761-11 TRANSFORMER, POWER (E) S801...
  • Page 50 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * CN503 1-568-951-11 PIN, CONNECTOR 2P R323 1-249-421-11 CARBON 2.2K 1/4W CN504 1-506-469-11 PIN, CONNECTOR 4P R325 1-249-441-11 CARBON 100K 1/4W CN505 1-506-468-11 PIN, CONNECTOR 3P R327 1-249-441-11 CARBON 100K 1/4W...
  • Page 51 MAIN T.MOTOR T.SENS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R572 1-247-885-00 CARBON 180K 1/4W M810 X-4950-062-1 DOOR MOTOR ASSY R573 1-247-860-11 CARBON 1/4W ! T901 1-431-759-11 TRANSFORMER, POWER (US, CND) R574 1-249-431-11 CARBON 1/4W ! T901 1-431-760-11 TRANSFORMER, POWER R575...
  • Page 52 CDP-CX220 Sony Corporation 98D0589-1 Printed in Japan © 1998. 4 9-922-819-11 Home A&V Products Company Published by Quality Assurance Dept. – 62 – (Shibaura)

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