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Sony MDS-JE630 service manual Page Page Page Page, no mark PLAY

Models: MDS-JE630

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MDS-JE630

6-10. SCHEMATIC DIAGRAM – MAIN Board (1/2) – See• page 43 for Waveforms.

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

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Sony MDS-JE630 service manual Page Page Page Page, no mark PLAY

Contents

SPECIFICATIONS MDS-JE630MINIDISC DECK US Model Canadian ModelSELF-DIAGNOSISFUNCTION Table of Error Codes ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTSSelecting the Test Mode TABLE OF CONTENTS 6.DIAGRAMSDISASSEMBLY 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 Procedure RETRY CAUSE DISPLAY MODEFig. 1 Reading the Test Mode Display 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 1. PRECAUTIONS FOR USE OF TEST MODE 2. SETTING THE TEST MODESECTION 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 ADJUSTMENT2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION 4. PRECAUTIONS FOR ADJUSTMENTSLaser power meter 5.CREATING CONTINUOUSLY-RECORDEDDISC6-1.Temperature Compensation Offset Check Checking Procedure6-2.Laser Power Check 6. CHECK PRIOR TO REPAIRS6-5.C PLAY Check MO Error Rate Check CD Error Rate Check6-4.Focus Bias Check 6-6. Self-Recording/playbackCheck7. INITIAL SETTING OF ADJUSTMENT VALUE 9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT10. LASER POWER ADJUSTMENT Setting Procedure11. TRAVERSE ADJUSTMENT Adjusting ProcedureSpecified Value Connection12. FOCUS BIAS ADJUSTMENT Adjusting Procedure13. ERROR RATE CHECK 15. AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT13-1.CD Error Rate Check 13-2.MO Error Rate CheckAdjustment Location CN101 D101 CN110 GND I+3V IOP TEO RF VCIC171 IC101 IC121 IC192DIAGRAMS BLOCK DIAGRAM - SERVO SectionSECTION MDS-JE630BLOCK DIAGRAM - MAIN Section MDS-JE630Note on Printed Wiring Board Note on Schematic DiagramCircuit Boards Location 6-4.PRINTED WIRING BOARD - BD Board See page 36 for Circuit Boards LocationSemiconductor LocationMDS-JE630 6-6.SCHEMATIC DIAGRAM - BD Board 2/2 - See MDS-JE6306-7.SCHEMATIC DIAGRAM - SW Board 6-8.PRINTED WIRING BOARD - SW BoardWaveforms - BD Board MAIN Board6-9.PRINTED WIRING BOARD - MAIN Board - See page 36 for Circuit Boards LocationSemiconductor Location MDS-JE630MDS-JE630 Page Page Page PagePage PageMDS-JE630 MDS-JE630 Semiconductor LocationPage 47 Page Page MDS-JE630no mark STOP IC Block Diagrams - BD Board IC101CXA2523AR IC121IC310 M5293LIC431 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 3MECHANISM SECTION MDM-5D211 2144BASE UNIT SECTION MBU-5D 263254 252SECTION ELECTRICAL PARTS LIST DISPLAY DISPLAY HP KEY KEY SW KEY SW MAINMAIN MAIN MAIN POWER SW SW MDS-JE630 Sony Corporation