Sony CDP-XA50ES Service Manual
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Sony CDP-XA50ES Service Manual

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SERVICE MANUAL
MICROFILM
CDP-XA50ES
Photo: Black
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Optical Pick-up Name

SPECIFICATIONS

AEP Model
CDM32BB-12B (BLACK)
CDM32BN-12B (GOLD)
KSS-273B/J1N
– Continued on next page –
COMPACT DISC PLAYER
E Model
NEW
BU-12B

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  • Page 1 CDP-XA50ES AEP Model SERVICE MANUAL E Model Photo: Black Model Name Using Similar Mechanism CDM32BB-12B (BLACK) CD Mechanism Type CDM32BN-12B (GOLD) Base Unit Name BU-12B Optical Pick-up Name KSS-273B/J1N SPECIFICATIONS – Continued on next page – COMPACT DISC PLAYER MICROFILM...

  • Page 2: Table Of Contents

    LINE WITH MARK ! 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 PUB- LISHED BY SONY.

  • Page 3: Turns Off

    SECTION 1 SERVICING NOTES 1-1. HOW TO OPEN THE DISC TRAY WHEN NOTES ON HANDLING THE OPTICAL PICK-UP POWER SWITCH TURNS OFF BLOCK OR BASE UNIT Insert a tapering driver into the aperture of the unit bottom, and The laser diode in the optical pick-up block may suffer electro- turn in the direction of arrow (to OUT direction).

  • Page 4: General

    SECTION 2 This section is extracted from instruction manual. GENERAL – 4 –...
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  • Page 15: Disassembly

    SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. LOADING PANEL SECTION CASE (TOP PLATE ), FRONT PANEL SECTION AUDIO BOARD (Page 15) (Page 16) (Page 16) MECHANISM DECK (CDM32BB-12B/CDM32BN-12B) SERVO BOARD PANEL (DRAWER) (Page 17) (Page 17) (Page 18) BASE UNIT (BU-12B)
  • Page 16 CASE (TOP PLATE), FRONT PANEL SECTION 1 three flat head screws 1 three flat head screws 9 three connectors (CN351, 352, 461) 2 case (top plate) 3 two connectors (CN201, 993) 6 four screws 7 two brakets (case) 4 screw 0 front panel section 4 two screws 3 two connectors...
  • Page 17 MECHANISM DECK (CDM32BB-12B/CDM32BN-12B) 2 two screws 2 two screws 3 clamp 3 clamp 1 connector 4 mechanism deck (CN952) (CDM32BB-12B) (CDM32BN-12B) 1 connector (CN105) 1 two connectors SERVO BOARD (CN103, 104) 1 two screws 1 two screws 3 wire (flat type) (26 core) (BVTP3 (BVTP3 (CN102)
  • Page 18 PANEL (DRAWER) 1 two tapping screws 3 Remove the panel (drawer) to direction of the arrow. 2 two ditch 4 two screws BASE UNIT (BU-12B) (PTPWH2.6 4 two screws (PTPWH2.6 5 two holders (SP) 5 two holders (SP) 1 flexible board (CN192) 6 base unit 7 two coil springs (F)
  • Page 19 SLED MOTOR (M21), OPTICAL PICK-UP (KSS-273B/J1N) 7 poly-slider washer 2 two screws 8 gear (D) (BTP2.6 4 tapping screw 5 lag 3 leaf spring (skew) 6 leaf spring (OP) 9 Remove the sled motor (M21) and optical pick-up (KSS-273B/J1N) to direction of the arrow A .

  • Page 20: Af Mode

    SECTION 4 TEST MODE 4-1. AF MODE REPEAT button Connect the TP2 (AFJ) on the SERVO board to the ground and ( TIME ) turn on the power supply. SIDE-B The AF mode is then activated and the following check can be C.

  • Page 21: Adj Mode

    [SERVO BOARD] – Conductor side – 4-2. ADJ MODE Connect the TP1 (ADJ) on the SERVO board to the TP (GND) and turn on the power supply. The ADJ mode is then activated TP 1 (GND) and the following operation is executed. (ADJ) •...

  • Page 22: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS RF signal waveform Notes: VOLT/DIV: 200 mV 1. CD block basically constructed to operate without adjustment. TIME/DIV: 500 ns Therefore, check each item in order given. (with the 10: 1 probe 2. Use YEDS-18 disc (Part No.: 3-702-101-01) unless otherwise in use) indicated.
  • Page 23 SECTION 6 DIAGRAMS Skew Adjustment [SERVO BOARD] – Conductor side – • Circuit Boards Location Note : Do not perform the skew adjustment when not using at- tached stabilizer to a set. TP (TEI) oscilloscope (AC range) IC101 SERVO board (FEI) BSL board SERVO board...
  • Page 32 IC Block Diagrams – SERVO Section – IC203 LB1641 IC91 M51957AL T.S.D O.C.P MOTOR MOTOR DRIVE DRIVE – FWD/REV/STOP CONTROL LOGIC IC101 CXD2545Q 92 91 85 84 83 SUBCODE SUBCODE SBSO SRON SLED PWM SLED INTERFACE INTERFACE SERVO SRDR GENERATOR PROCESSOR PROCESSOR SFON...
  • Page 33 – AUDIO Section – IC603 CXD2562Q-CS IC404, 504 CXA8042AS IC350 BA6208 MOTOR SWITCH DRIVE I01+ IN2– 51 50 49 48 47 IN2+ I02– MOTOR SWITCH DRIVE I01– IN1+ TIMING CIRCUIT SYNC SWITCHING I02+ IN1– CIRCUIT COEF VCC2 SPLM INTERPOLATER DATAOUT 18/20 GND2 ON/OFF...

  • Page 34: Ic Pin Function Description

    • Waveforms 6-9. IC PIN FUNCTION DESCRIPTION – SERVO Section – – AUDIO Section – SERVO BOARD IC101 CXD2545Q (DIGITAL SIGNAL PROCESSOR, FOCUS/TRACKING/SLED SERVO, EFM COMPARATOR) Pin No. Pin Name I / O Function 1 IC101 @§ (RFDC) 200 mV/DIV, 500 ns/DIV 6 IC101 $¶...
  • Page 35 Pin No. Pin Name I / O Function WDCK Word clock signal (88.2 kHz) output terminal Not used (open) LRCK L/R sampling clock signal (44.1 kHz) output to the CXD8679Q (IC601) DA16 output when PSSL=“H”, 48-bit slot serial data output when PSSL=“L” DATA (PSSL (pin $£)=fixed at “L”) Serial data output to the CXD8679Q (IC601)
  • Page 36 Pin No. Pin Name I / O 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 (IC201) SQCK Sub-code Q data reading clock signal input from the system controller (IC201) MUTE...
  • Page 37 SERVO BOARD IC201 CXP84124-068Q (SYSTEM CONTROLLER) Pin No. Pin Name I / O Function Address signal output to the static RAM (IC202) Write enable signal output to the static RAM (IC202) Not used (open) Not used (open) ( LED (D871) drive signal output terminal LED-PLAY “H”: LED on LED-PAUSE...
  • Page 38 Pin No. Pin Name I / O Function Key input terminal (A/D input) § OPEN/CLOSE, (, P, p keys (S889 to S892) input AMS ± key (RV870) input Rotary encoder input terminal (A/D input) AMS ≠ key (RV870) input Rotary encoder input terminal (A/D input) ADJ/AFJ Setting terminal for the test mode “L”...
  • Page 39 Main Ports SPDL-MUTE (pin !¶) SENSER (pin @•) From the viewpoint of performance of the set, the disc must The results of the detection of IC261 IS471F is output to this not move nor sway when the disc table opens. These pin.

  • Page 40: 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 may have some difference from the original are seldom required for routine service. Some mark ! or dotted line with mark ! are critical for safety.
  • Page 41 4-986-673-11 BUTTON (FF) (0. )) (BLACK) 4-950-189-41 KNOB (A) (VOL) (GOLD) X-4945-276-1 BUTTON (PLAY) ASSY (§. OPEN /CLOSE. ”. P. p) (BLACK) 4-942-568-01 EMBLEM (NO.5), SONY (BLACK) X-4948-030-1 PLAY ASSY, BUTTON 4-942-568-31 EMBLEM (NO.5), SONY (GOLD) (§. OPEN /CLOSE. ”. P. p) (GOLD)
  • Page 42 (3) CHASSIS SECTION CDM32BB-12B CDM32BN-12B not supplied T901 not supplied T902 not supplied supplied not supplied not supplied supplied not supplied not supplied The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
  • Page 43 (4) MECHANISM SECTION-1 (CDM32BB-12B) (BLACK) (CDM32BN-12B) (GOLD) not supplied BU-12B supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 A-4699-587-A SERVO BOARD, COMPLETE 4-971-000-31 COVER (CD) (GOLD) * 152 1-653-906-11 FL RELAY BOARD 1-769-110-11 WIRE (FLAT TYPE) (26 CORE) 1-769-109-11 WIRE (FLAT TYPE) (12 CORE) * 159 1-654-005-11 FLEX RELAY BOARD...
  • Page 44 (5) MECHANISM SECTION-2 (CDM32BB-12B) (BLACK) (CDM32BN-12B) (GOLD) M271 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-968-905-01 BELT (CDM) 4-968-899-01 GEAR (MIDLE) X-4945-209-1 PULLEY (FIRST) ASSY 4-968-898-01 GEAR (FIRST) * 203 4-972-921-01 COVER (SW) 3-325-697-31 WASHER * 204 1-653-905-11 LOADING SW BOARD...
  • Page 45 (6) BASE UNIT SECTION (BU-12B) supplied not supplied S21, S22 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 46: Electrical Parts List

    SECTION 8 AUDIO ELECTRICAL PARTS LIST NOTE: Items marked “*” are not stocked since they Due to standardization, replacements in the The components identified by mark ! or dotted line with mark ! are critical for are seldom required for routine service. parts list may be different from the parts speci- safety.
  • Page 47 AUDIO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C626 1-128-201-11 ELECT 100uF 20% 63V L441 1-414-512-21 INDUCTOR 6.8uH L443 1-414-512-21 INDUCTOR 6.8uH C627 1-128-201-11 ELECT 100uF 20% 63V C628 1-128-201-11 ELECT 100uF 20% 63V L451 1-414-512-21 INDUCTOR 6.8uH C650...
  • Page 48 AUDIO COAX Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R442 1-259-452-11 CARBON 1/6W R601 1-259-428-11 CARBON 1/6W R443 1-259-472-11 CARBON 1/6W R602 1-259-428-11 CARBON 1/6W R451 1-259-444-11 CARBON 4.7K 1/6W R452 1-259-476-11 CARBON 100K 1/6W R603 1-259-428-11 CARBON 1/6W...
  • Page 49 COAX DISPLAY FL RELAY FLEX RELAY FLEXIBLE FUSE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R803 1-216-097-00 METAL CHIP 100K 1/10W C707 1-126-023-11 ELECT 100uF 20% 25V ************************************************************ C708 1-162-282-31 CERAMIC 100PF 10% 50V 1-653-906-11 FL RELAY BOARD <...
  • Page 50 KEY-L KEY-R LINE LOADING MOTOR LOADING SW Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4699-345-A KEY-L BOARD, COMPLETE < SWITCH > ********************* S884 1-554-303-21 SWITCH, TACTILE (CHECK) < CONNECTOR > S885 1-554-303-21 SWITCH, TACTILE (CLEAR) S886 1-554-303-21 SWITCH, TACTILE (FILTER) CN850...
  • Page 51 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C975 1-110-335-11 MYLAR 100PF 1-663-630-11 OPT BOARD C976 1-110-335-11 MYLAR 100PF ********** C977 1-110-335-11 MYLAR 100PF < CAPACITOR > C978 1-162-294-31 CERAMIC 0.001uF 10% 50V C980 1-164-159-11 CERAMIC 0.1uF C701 1-126-048-81 ELECT...
  • Page 52 POWER SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C134 1-163-109-00 CERAMIC CHIP 47PF < RESISTOR > C135 1-163-121-00 CERAMIC CHIP 150PF ! R901 1-219-016-91 FUSIBLE 1/2W C136 1-163-121-00 CERAMIC CHIP 150PF ! R902 1-219-034-91 FUSIBLE 1/2W C137 1-163-121-00 CERAMIC CHIP...
  • Page 53 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC103 8-759-100-96 IC uPC4558G2 R143 1-216-093-00 METAL CHIP 1/10W IC104 8-759-071-79 IC BA6297AFP R144 1-216-093-00 METAL CHIP 1/10W R145 1-216-085-00 METAL CHIP 1/10W IC105 8-759-071-79 IC BA6297AFP R146 1-216-085-00 METAL CHIP 1/10W...
  • Page 54 CDP-XA50ES Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ! T901 1-427-816-11 TRANSFORMER, POWER (for AUDIO) 1-663-636-11 SW BOARD ! T902 1-427-817-11 TRANSFORMER, POWER (for DIGITAL) ******** ************************************************************ 1-696-874-21 LEAD (WITH CONNECTOR) ************** < SWITCH >...

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