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Sony MDS-JE630 service manual

Models: MDS-JE630

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MDS-JE630

6-11. SCHEMATIC DIAGRAM – MAIN Board (2/2) – See• page 43 for Waveforms. •See page 57 for IC Block Diagrams.

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• Voltages and waveforms are dc with respect to ground under no-signal conditions.

no mark : PLAY

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The components identified by mark !or dotted	Les composants identifiés par une marque !sont
line with mark !are critical for safety.	critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified.	par une piéce portant le numéro spécifié.

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Sony MDS-JE630 service manual

Contents

MDS-JE630 SPECIFICATIONSMINIDISC DECK US Model Canadian ModelSELF-DIAGNOSISFUNCTION Selecting the Test Mode ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTSTable of Error Codes 6.DIAGRAMS TABLE OF CONTENTSDISASSEMBLY ELECTRICAL ADJUSTMENTSNotes on chip component replacement Flexible Circuit Board RepairingJIG FOR CHECKING BD BOARD WAVEFORM Display Procedure Record ProcedureCHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS RETRY CAUSE DISPLAY MODE ProcedureFig. 1 Reading the Test Mode Display Fig. 2 Reading the Test Mode DisplayReading the Display Hexadecimal nBinary Conversion TableRear Panel SECTION GENERALLOCATION OF CONTROLS - Front Panel Page FRONT PANEL SECTION SECTION DISASSEMBLYCASE MECHANISM DECK SECTION MDM-5D MAIN BOARDBASE UNIT MBU-5D,BD BOARD SLIDER CAMSW BOARD, LOADING MOTOR M103 2. SETTING THE TEST MODE 1. PRECAUTIONS FOR USE OF TEST MODESECTION TEST MODE 3. RELEASING THE TEST MODE5. SELECTING THE TEST MODE 5-3. Non-VolatileMemory Mode EEP MODE 5-1.Operating the Continuous Playback Mode7. TEST MODE DISPLAYS 6. FUNCTIONS OF OTHER BUTTONSMEANINGS OF OTHER DISPLAYS 1.PARTS REPLACEMENT AND ADJUSTMENT SECTION ELECTRICAL ADJUSTMENTS4. PRECAUTIONS FOR ADJUSTMENTS 2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSIONLaser power meter 5.CREATING CONTINUOUSLY-RECORDEDDISCChecking Procedure 6-1.Temperature Compensation Offset Check6-2.Laser Power Check 6. CHECK PRIOR TO REPAIRSCD Error Rate Check 6-5.C PLAY Check MO Error Rate Check6-4.Focus Bias Check 6-6. Self-Recording/playbackCheck9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT 7. INITIAL SETTING OF ADJUSTMENT VALUE10. LASER POWER ADJUSTMENT Setting ProcedureAdjusting Procedure 11. TRAVERSE ADJUSTMENTSpecified Value ConnectionAdjusting Procedure 12. FOCUS BIAS ADJUSTMENT15. AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 13. ERROR RATE CHECK13-1.CD Error Rate Check 13-2.MO Error Rate CheckCN101 D101 CN110 GND I+3V IOP TEO RF VC Adjustment LocationIC171 IC101 IC121 IC192BLOCK DIAGRAM - SERVO Section DIAGRAMSSECTION MDS-JE630MDS-JE630 BLOCK DIAGRAM - MAIN SectionNote on Schematic Diagram Note on Printed Wiring BoardCircuit Boards Location See page 36 for Circuit Boards Location 6-4.PRINTED WIRING BOARD - BD BoardSemiconductor LocationMDS-JE630 MDS-JE630 6-6.SCHEMATIC DIAGRAM - BD Board 2/2 - See6-8.PRINTED WIRING BOARD - SW Board 6-7.SCHEMATIC DIAGRAM - SW BoardWaveforms - BD Board MAIN Boardpage 36 for Circuit Boards Location 6-9.PRINTED WIRING BOARD - MAIN Board - SeeSemiconductor Location MDS-JE630Page Page Page Page MDS-JE630Page PageMDS-JE630 Semiconductor Location MDS-JE630no mark STOP MDS-JE630Page 47 Page Page IC101 IC Block Diagrams - BD BoardCXA2523AR IC121M5293L IC310IC431 LA56326-14.IC PIN FUNCTION DESCRIPTION BD BOARD IC121 CXD2656R Page Page MAIN BOARD IC501 M30624MG-223FPSYSTEM CONTROLLER Page Page 6 17 #1 SECTION EXPLODED VIEWS1 CHASSIS SECTION 2FRONT PANEL SECTION MDM-5D 3MECHANISM SECTION211 214263 4BASE UNIT SECTION MBU-5D254 252SECTION ELECTRICAL PARTS LIST DISPLAY DISPLAY HP KEY KEY SW MAIN KEY SWMAIN MAIN MAIN POWER SW SW Sony Corporation MDS-JE630