Sony CDP-XA20ES Service Manual
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Sony CDP-XA20ES Service Manual

Compact disc player
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SERVICE MANUAL
MICROFILM
CDP-XA20ES
Photo: Black
EXCEPT UK
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
SPECIFICATIONS
US Model
Canadian Model
AEP Model
UK Model
– Continued on next page –
COMPACT DISC PLAYER
E Model
NEW
CDM36B-14C
BU-14C
KSS-213B

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Summary of Contents for Sony CDP-XA20ES

  • Page 1 CDP-XA20ES SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Photo: Black EXCEPT UK Model Name Using Similar Mechanism CD Mechanism Type CDM36B-14C Base Unit Type BU-14C Optical Pick-up Type KSS-213B SPECIFICATIONS – Continued on next page –...

  • Page 2: Table Of Contents

    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 3 SAFETY CHECK-OUT NOTES ON HANDLING THE OPTICAL PICK-UP After correcting the original service problem, perform the follow- BLOCK OR BASE UNIT ing safety check before releasing the set to the customer: The laser diode in the optical pick-up block may suffer electro- Check the antenna terminals, metal trim, “metallized”...

  • Page 4: Servicing Notes

    SECTION 1 SERVICING NOTES 1-1. HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF 1 Insert a tapering driver into the aperture of the unit bottom, and move the limiter (LEVER) to direction of the arrow A. 2 Pull the tray to direction fo the arrow B. tray Limiter (LEVER) tapering driber...

  • Page 5: General

    SECTION 2 This section is extracted from instruction manual. GENERAL Location of Controls • FRONT PANEL • REMOTE COMMANDER !ª !• !¶ !§!∞!¢!£ !™ !¡ @º • • • • • • • • • @∞ • • • • •...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. CASE, MECHANISM LOADING PANEL BASE UNIT SLED MOTOR (M101) SECTION FRONT PANEL SECTION DECK SECTION (Page 8) (Page 8) (Page 6) (Page 7) (Page 7) OPTICAL PICK-UP (KSS-213B/S-N) (Page 9) LOADING MOTOR (M103)
  • Page 7 CASE, FRONT PANEL SECTION 3 case 1 four screws (CASE 3 TP2) 2 screw (BVTT 3 × 6) 8 two connectors (CN471, 472) 1 four screws (CASE 3 TP2) 4 connector (CN992) HP board 7 wire (flat type) !¡ two screws (4 core) (BVTT 3 ×...
  • Page 8 4 two screws BASE UNIT (BVTP 3 × 8) 6 two screws 5 panel (drawer) (BVTP 3 × 8) 7 cover (R) (drawer) 8 wire (flat type) (21 core) (CN104) !¡ base unit (BU-14C) 3 cover (F) (drawer) 9 screw (BVTP 3 ×...
  • Page 9 OPTICAL PICK-UP (KSS-213B/S-N) 6 lug 5 two nylon rivets 8 claw 7 leaf spring (A) (OP) 9 sled shaft 0 Removal the optical pick-up to direction of the arrow A . 2 nylon rivet 3 lug 1 wire (flat type) (16 core) (optical pick-up connector) 4 leaf spring (spindle)
  • Page 10 POWER BOARD, MAIN BOARD 1 three connectors (CN901, 902, 951) 2 four screws (BVTT 3 × 6) 3 power board 4 screw (BV/RING) (AEP, UK) 4 two screws (BV/RING) 6 Removal the main board to direction of the arrow A . 5 two screws (BVTT 3 ×...

  • Page 11: Test Mode

    SECTION 4 TEST MODE Table 4-1. 4-1. AF MODE Connect the TP19 (AFADJ) on the BD board to the ground and Button Display Button Display turn on the power supply. The AF mode is then activated and the following check can be PUSH TIME ENTER...

  • Page 12: Adj Mode

    Table 4-2. Table 4-3. Button Display Button Display Button No. Test Mode Tracking servo off >10 Tracking servo on TIME S-curve measuring mode A – B All servo off REPEAT Top turnblack display Botton turnblack display Center display · Optimum point display Optimum jitter display CHECK TE traverse display...

  • Page 13: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS FOCUS/TRACKING GAIN ADJUSTMENT Notes: RF signal waveform 1. CD block basically constructed to operate without adjustment. VOLT/DIV: 200 mV VR in optical block is not adjusted. Therefore, check each item in order given. TIME/DIV: 500 ns As this gain has a margin, normally a little shift of gain will not (with the 10: 1 probe 2.

  • Page 14: Diagrams

    SECTION 6 DIAGRAMS 6-1. IC PIN FUNCTION DESCRIPTION BD BOARD IC101 CXD2545Q (DIGITAL SIGNAL PROCESSOR, FOCUS/TRACKING/SLED SERVO, EFM COMPARATOR) Pin No. Pin Name Function Pin No. Pin Name Function SRON Sled servo drive PWM signal output terminal Not used (open) WDCK Word clock signal (88.2 kHz) output terminal Not used (open) SRDR...
  • Page 15 Pin No. Pin Name Function SBSO Sub-code P-W serial data output terminal Not used (open) EXCK Sub-code P-W serial data reading clock signal input terminal Not used (fixed at “L”) SUBQ Sub-code Q data signal output to the system controller (IC351) SQCK Sub-code Q data reading clock signal input from the system controller (IC351) MUTE...
  • Page 16 BD BOARD IC351 CXP84120-070Q (SYSTEM CONTROLLER) Pin No. Pin Name Function No Connection ( LED (D801) drive signal output terminal “H”: LED on LED PLAY LED PAUSE P LED (D802) drive signal output terminal “H”: LED on LED FILTER No Connection SPD-MUTE No Connection RE-INIT...
  • Page 17 Pin No. Pin Name Function Key input terminal (A/D input) EDIT/TIME FADE, REPEAT, PEAK SEARCH, § OPEN/ CLOSE, (, P, p , AMS ≠ keys (S811 to S817, RV801) input Key input terminal (A/D input) (fixed at “H”) Key input terminal (A/D input) (fixed at “H”) IN/OUT SW Detection input from the loading in/out detect switch (S152, S153) (A/D input) SCLK OUT...
  • Page 18 • Circuit Boards Location TRANS board LOADING MOTOR board SERVO board HP board POWER board DISP board AC SW board LD IN SW board MAIN board SLED board SPINDLE board FUNC board – 20 –...
  • Page 28 6 IC101 %£ (XPLCK) • Waveforms • IC Block Diagrams – BD Section – – BD Section – 1 IC101 @§ (RFDC), #§ (RFAC) 200 mV/DIV, 500 ns/DIV IC101 CXD2545Q 5.2 Vp-p 67 62 63 64 20 19 +0.25 Vp-p –0.20 32K RAM CLOCK...
  • Page 29 IC103 CXA1821M-T6 LD ON – – LC/PD APC LD AMP VREF RF EQ AMP – – RF SUMMING AMP – FOCUS ERROR AMP FE BIAS TRACKING ERROR AMP – – VC BUFFER – – – POWER Section – IC912 M51957AL –...
  • Page 30 – MAIN Section – IC302 CXD8505BQ XSEL TIMING CIRCUIT 20/16 “O” DETECT MUTE CIRCUIT MUTEL SPLM TEST1 MODE TEST2 VSUB(C)R FIR1 FIR1 VSUB(C)L FIR2 FIR2 L1(–) R1(–) FIR3 FIR3 3rd order L.I.P AC, DC L.I.P 3rd order L1(+) R1(+) (X8) (X8) NOISE SHAPER DITHER...

  • Page 31: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark ! are are seldom required for routine service. Some may have some difference from the original critical for safety.
  • Page 32 4-950-189-41 KNOB (A) (VOL) (GOLD) (AEP, SP) 4-986-687-11 BUTTON (P.MODE) (BLACK) 4-942-568-01 EMBLEM (NO.5), SONY (BLACK) 4-986-671-01 BUTTON (2) (GOLD) (AEP, SP) 4-942-568-31 EMBLEM (NO.5), SONY (GOLD) (AEP, SP) 4-986-671-11 BUTTON (2) (BLACK) 4-991-848-01 PANEL, FRONT (BLACK) (AEP, SP) 4-986-672-01 BUTTON (3) (GOLD) (AEP, SP)
  • Page 33 (3) CHASSIS SECTION mechanism deck (CDM36B-14C) US, CND T991 CNP1 AEP, SP CNP1 supplied supplied supplied supplied CNP1 supplied AEP, UK supplied not supplied supplied not supplied not 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 34 (4) MECHANISM DECK SECTION (CDM36B-14C) not supplied not supplied not supplied not supplied BU-14C not supplied M103 not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 4-977-889-01 PLATE (BU), GROUND * 163 A-4699-761-A SERVO BOARD, COMPLETE 4-989-303-01 SPRING (BU-LF), COMPRESSION...
  • Page 35 (5) BASE UNIT (BU-14C) M102 not supplied not supplied M101 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 number Ne les remplacer que par une pièce specified.
  • Page 36 SECTION 8 AC SW ELECTRICAL PARTS LIST NOTE: • Items marked “*” are not stocked since they • Due to standardization, replacements in the The components identified by mark parts list may be different from the parts speci- are seldom required for routine service. ! or dotted line with mark ! are fied in the diagrams or the components used on Some delay should be anticipated when order-...
  • Page 37 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC351 8-752-885-59 IC CXP84120-070Q R153 1-216-073-00 METAL CHIP 1/10W IC361 8-749-010-61 IC IS471F R154 1-216-073-00 METAL CHIP 1/10W R155 1-216-073-00 METAL CHIP 1/10W < COIL > R156 1-216-073-00 METAL CHIP 1/10W R157 1-216-105-00 METAL GLAZE...
  • Page 38 DISP FUNC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4699-752-A DISP BOARD, COMPLETE < TRANSISTOR > ********************* Q801 8-729-900-80 TRANSISTOR DTC114ES 4-955-901-01 CUSHION (FL) Q802 8-729-900-80 TRANSISTOR DTC114ES < CAPACITOR > < RESISTOR > R801 1-216-045-00 METAL CHIP 1/10W C751...
  • Page 39 LD IN SW LOADING MOTOR MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < CONNECTOR > R005 1-216-051-00 METAL CHIP 1.2K 1/10W R006 1-216-047-00 METAL GLAZE 1/10W * CN371 1-568-847-11 SOCKET, CONNECTOR 4P CN471 1-564-523-11 PLUG, CONNECTOR 8P R007 1-216-025-00 METAL GLAZE 1/10W...
  • Page 40 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC251 8-759-242-70 IC TC7WU04F C527 1-136-814-11 FILM 0.001uF 100V IC302 8-759-370-62 IC CXD8505BQ IC501 8-759-371-51 IC CXA8042AS C530 1-136-816-11 FILM 0.0022uF 5% 100V C531 1-136-816-11 FILM 0.0022uF 5% 100V IC502 8-759-712-02 IC NJM2114D...
  • Page 41 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R314 1-216-049-11 METAL GLAZE 1/10W R556 1-216-065-00 METAL CHIP 4.7K 1/10W R316 1-216-037-00 METAL CHIP 1/10W (EXCEPT UK) R317 1-216-049-11 METAL GLAZE 1/10W R557 1-216-065-00 METAL CHIP 4.7K 1/10W R318...
  • Page 42 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R661 1-216-065-00 METAL CHIP 4.7K 1/10W < DIODE > (EXCEPT UK) D901 8-719-210-21 DIODE 11EQS04 < RELAY > D902 8-719-210-21 DIODE 11EQS04 D903 8-719-210-21 DIODE 11EQS04 RY301 1-515-803-11 RELAY D904...
  • Page 43 SLED SPINDLE TRANS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-658-709-11 SLED BOARD MISCELLANEOUS *********** *************** < CONNECTOR > 1-782-503-11 WIRE (FLAT TYPE) (7 CORE) 1-782-504-11 WIRE (FLAT TYPE) (11 CORE) CN104 1-774-380-11 CONNECTOR, FFC/FPC 16P 1-782-502-11 WIRE (FLAT TYPE) (4 CORE) CN105 1-568-838-11 SOCKET, CONNECTOR 21P...
  • Page 44 CDP-XA20ES Sony Corporation 97F0591-1 Printed in Japan © 1997. 6 9-960-971-11 Home A&V Products Company Published by General Engineering Dept. – 60 – (Shibaura)

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