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Sony MDS-JE630 service manual Circuit Boards Location

Models: MDS-JE630

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Page 34

• Circuit Boards Location

• Circuit Boards Location

BD board

SW board

MAIN board

POWER SW board

HP board

KEY board

DISPLAY board

KEY SW board

– 36 –

Image 34

Sony MDS-JE630 service manual Circuit Boards Location

Contents

MINIDISC DECK SPECIFICATIONSMDS-JE630 US Model Canadian ModelSELF-DIAGNOSISFUNCTION Table of Error Codes ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTSSelecting the Test Mode DISASSEMBLY TABLE OF CONTENTS6.DIAGRAMS ELECTRICAL ADJUSTMENTSFlexible Circuit Board Repairing Notes on chip component replacementJIG FOR CHECKING BD BOARD WAVEFORM Record Procedure Display ProcedureCHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS Fig. 1 Reading the Test Mode Display ProcedureRETRY CAUSE DISPLAY MODE Fig. 2 Reading the Test Mode DisplayHexadecimal nBinary Conversion Table Reading the DisplayLOCATION OF CONTROLS - Front Panel SECTION GENERALRear Panel Page CASE SECTION DISASSEMBLYFRONT PANEL SECTION MAIN BOARD MECHANISM DECK SECTION MDM-5DSLIDER CAM BASE UNIT MBU-5D,BD BOARDSW BOARD, LOADING MOTOR M103 SECTION TEST MODE 1. PRECAUTIONS FOR USE OF TEST MODE2. SETTING THE TEST MODE 3. RELEASING THE TEST MODE5. SELECTING THE TEST MODE 5-1.Operating the Continuous Playback Mode 5-3. Non-VolatileMemory Mode EEP MODE6. FUNCTIONS OF OTHER BUTTONS 7. TEST MODE DISPLAYSMEANINGS OF OTHER DISPLAYS SECTION ELECTRICAL ADJUSTMENTS 1.PARTS REPLACEMENT AND ADJUSTMENTLaser power meter 2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION4. PRECAUTIONS FOR ADJUSTMENTS 5.CREATING CONTINUOUSLY-RECORDEDDISC6-2.Laser Power Check 6-1.Temperature Compensation Offset CheckChecking Procedure 6. CHECK PRIOR TO REPAIRS6-4.Focus Bias Check 6-5.C PLAY Check MO Error Rate CheckCD Error Rate Check 6-6. Self-Recording/playbackCheck10. LASER POWER ADJUSTMENT 7. INITIAL SETTING OF ADJUSTMENT VALUE9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT Setting ProcedureSpecified Value 11. TRAVERSE ADJUSTMENTAdjusting Procedure Connection12. FOCUS BIAS ADJUSTMENT Adjusting Procedure13-1.CD Error Rate Check 13. ERROR RATE CHECK15. AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 13-2.MO Error Rate CheckIC171 Adjustment LocationCN101 D101 CN110 GND I+3V IOP TEO RF VC IC101 IC121 IC192SECTION DIAGRAMSBLOCK DIAGRAM - SERVO Section MDS-JE630BLOCK DIAGRAM - MAIN Section MDS-JE630Note on Printed Wiring Board Note on Schematic DiagramCircuit Boards Location Semiconductor 6-4.PRINTED WIRING BOARD - BD BoardSee page 36 for Circuit Boards Location LocationMDS-JE630 6-6.SCHEMATIC DIAGRAM - BD Board 2/2 - See MDS-JE630Waveforms - BD Board 6-7.SCHEMATIC DIAGRAM - SW Board6-8.PRINTED WIRING BOARD - SW Board MAIN BoardSemiconductor Location 6-9.PRINTED WIRING BOARD - MAIN Board - Seepage 36 for Circuit Boards Location MDS-JE630Page MDS-JE630Page Page Page Page PageMDS-JE630 MDS-JE630 Semiconductor LocationPage 47 Page Page MDS-JE630no mark STOP CXA2523AR IC Block Diagrams - BD BoardIC101 IC121IC431 IC310M5293L LA56326-14.IC PIN FUNCTION DESCRIPTION BD BOARD IC121 CXD2656R Page Page MAIN BOARD IC501 M30624MG-223FPSYSTEM CONTROLLER Page Page 1 CHASSIS SECTION SECTION EXPLODED VIEWS6 17 #1 2FRONT PANEL SECTION 211 3MECHANISM SECTIONMDM-5D 214254 4BASE UNIT SECTION MBU-5D263 252SECTION ELECTRICAL PARTS LIST DISPLAY DISPLAY HP KEY KEY SW KEY SW MAINMAIN MAIN MAIN POWER SW SW MDS-JE630 Sony Corporation