CDP-XE270/XE370 Ver 1.1 2001.07 TABLE OF CONTENTS SERVICING NOTES ..........4 GENERAL ..............5 DISASSEMBLY 3-1. Disassembly Flow ............6 3-2. Case ................. 6 3-3. CD Mechanism Deck (CDM66-5BD27) ......7 3-4. MAIN Board ..............7 3-5. Base Unit (BU-5BD27) ........... 8 TEST MODE ..............
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OPERATION. REPLACE THESE COMPONENTS WITH DE FONCTIONNEMENT. NE REMPLACER CES COM- SONY PARTS WHOSE PART NUMBERS APPEAR AS POSANTS QUE PAR DES PIÈCES SONY DONT LES SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- NUMÉROS SONT DONNÉS DANS CE MANUEL OU LISHED BY SONY.
CDP-XE270: UK model 4-232-151-1 on the disc reflective surface by the objective lens in the optical CDP-XE270: US and Canadian models 4-232-151-2 pick-up block. Therefore, when checking the laser diode emis- sion, observe from more than 30 cm away from the objective lens.
CDP-XE270/XE370 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CASE (Page 6) 3-3. CD MECHANISM DECK 3-4. MAIN BOARD (CDM66-5BD27) (Page 7) (Page 7) 3-5. BASE UNIT (BU-5BD27) (Page 8) Note: Follow the disassembly procedure in the numerical order given.
CDP-XE270/XE370 3-3. CD MECHANISM DECK (CDM66-5BD27) 5 three screws (BVTP3 7 connector (CN151) 8 CD mechanism deck (CDM66-5BD27) 4 wire (flat type) (21core) – BOTTOM VIEW – 1 tapering driver 3 panel, loading Note: When the power supply does not turn on, rotate the cam with tepering driver ( 3 mm) as the figure shows, and the loading panel will be moved.
CDP-XE270/XE370 SECTION 4 TEST MODE AGING MODE AFADJ MODE (KEY AND FLUORESCENT INDICA- Procedure: TOR TUBE DISPLAY CHECK MODE) [CLEAR] 1. While pressing the both buttons, turn the Procedure: power on. 1. Short-circuit the test TP (AFADJ) of the DISPLAY board and 2.
CDP-XE270/XE370 Ver 1.1 2001.07 SECTION 5 ELECTRICAL CHECKS Procedure: Note: 1. CD Block is basically designed to operate without adjustment. There- Connect an oscilloscope to test point TP (RFDC) and TP (VC) fore, check each item in order given. on the BD board.
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CDP-XE270/XE370 Ver 1.1 2001.07 E-F Balance Check Checking Location: Connection: – BD BOARD (Conductor Side) – oscilloscope BD board TP (TE1) TP (VC) – Procedure: Connect an oscilloscpe to test point TP (TE1) and TP (VC) on the BD board.
CDP-XE270/XE370 SECTION 6 DIAGRAMS 6-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...
CDP-XE270/XE370 6-8. IC PIN FUNCTION DESCRIPTION BD BOARD IC101 CXD2587Q (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER) Pin No. Pin Name Description SQSO Subcode Q data output to the system controller (IC501) SQCK Subcode Q data reading clock signal input from the system controller (IC501) XRST System reset signal input from the system controller (IC501) “L”: reset...
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CDP-XE270/XE370 Pin No. Pin Name Description ADIO Output terminal for the test Not used (open) AVSS0 — Ground terminal (digital system) IGEN Stabilized current input for operational amplifiers AVDD0 — Power supply terminal (+5V) (digital system) ASYO EFM full-swing output terminal...
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CDP-XE270/XE370 DISPLAY BOARD IC501 CXP82324-093Q (SYSTEM CONTROLLER, FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL) Pin No. Pin Name Description Connected to the ground RMIN Remote control signal input from the remote control receiver (IC561) Connected to the ground 4 to 6...
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CDP-XE270/XE370 Pin No. Pin Name Description — Connected to the +5V power supply 74 to 77 Not used (open) SCOR Subcode sync (S0+S1) detection signal input from the CXD2587Q (IC101) 79, 80 Connected to the ground...
CDP-XE270/XE370 Ver. 1.3 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 0 or dotted line with mark may have some difference from the original are seldom required for routine service.
CDP-XE270/XE370 Ver. 1.4 7-4. BASE UNIT SECTION (BU-5BD27) (including M101) M102 not supplied (included in 560) not supplied Note: When you exchange Ref. No. 552 or 555, please be sure to refer to “Supplement-1”. Ref. No. Part No. Description Remark Ref.
CDP-XE270/XE370 Ver. 1.4 SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
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CDP-XE270/XE370 Ver. 1.4 DISPLAY LOADING Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R141 1-216-840-11 METAL CHIP 1/10W < TRANSISTOR > R142 1-216-841-11 METAL CHIP 1/10W R143 1-216-855-11 METAL CHIP 680K 1/10W Q541 8-729-029-66 TRANSISTOR DTC114ESA...
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CDP-XE270/XE370 DESCRIPTION AND DIFFERENCE TABLE In the AEP, UK, Australian, Singapore models of CDP-XE270 and AEP, UK models of CDP-XE370, optical pick-up has been changed in the midway of production, and BD board has been changed according to it. US Model Before repairing, please be sure to confirm which type set according to the table below.
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CDP-XE270/XE370 DIAGRAMS Note for Printed Wiring Boards and Schematic Diagrams Note on Printed Wiring Board: Note on Schematic Diagram: X : parts extracted from the component side. All capacitors are in F unless otherwise noted. (p: pF) Y : parts extracted from the conductor side.
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CDP-XE270/XE370 ELECTRICAL PARTS LIST NOTE: When indicating parts by reference Due to standardization, replacements in the Items marked “*” are not stocked since they number, please include the board. parts list may be different from the parts are seldom required for routine service.
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CDP-XE270/XE370 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R136 1-216-837-11 METAL CHIP 1/10W (for PXR-104X) R137 1-216-797-11 METAL CHIP 1/10W R138 1-216-798-11 METAL CHIP 1/10W R139 1-216-846-11 METAL CHIP 120K 1/10W (for PXR-104X) R139 1-216-848-11 METAL CHIP...
CDP-XE270/XE370 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2001.03...
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