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Sony MDS-PC2 service manual Section Diagrams, Circuit Boards Location

Models: MDS-PC2

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SECTION 6

DIAGRAMS

6-1. CIRCUIT BOARDS LOCATION

Back up board

SW board

BD board

Power board

Main board

Panel board

Page 30

Image 30

Sony MDS-PC2 service manual Section Diagrams, Circuit Boards Location

Contents

MINIDISC DECK SPECIFICATIONSMDS-PC2 US Model Canadian Model AEP Model UK ModelSELF-DIAGNOSISFUNCTION ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Table of Error CodesSelecting the Test Mode ADVARSEL Notes on chip component replacementFlexible Circuit Board Repairing VARNIG6. DIAGRAMS TABLE OF CONTENTS3. DISASSEMBLY SAFETY CHECK-OUTSECTION SERVICING NOTE JIG FOR CHECKING BD BOARD WAVEFORMRecord Precedure Display PrecedureCHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS POWER BOARD Component Side FORCED RESETProcedure ProcedureRETRY CAUSE DISPLAY MODE PrecedureReading the Display Reading the Display Hexadecimal nBinary Conversion TableSECTION GENERAL Location of Parts and ControlsSECTION DISASSEMBLY 3-1.CASE AND FRONT PANEL3-2.MD MECHANISM 3-3.SLIDER CAM 3-4.BASE UNIT MBU-5AAND BD BOARDNote for Installation of Slider Cam 3 Two screws PWH 1.7 x 4 Loading motor M103 3-5.SW BOARD AND LOADING MOTOR M1031 Screw PTPWH M2.6 x 2 Gear B 6 SW board 5Three screws BTP2.6SECTION TEST MODE 4-1.PRECAUTIONS FOR USE OF TEST MODE4-2.SETTING THE TEST MODE 4-3.EXITING THE TEST MODE4-5.SELECTING THE TEST MODE 4-5-1.Operating the Continuous Playback Mode 4-5-3. Non-VolatileMemory Mode EEP MODE4-7.TEST MODE DISPLAYS 2. Error rate display4-6.FUNCTIONS OF OTHER BUTTONS 1. Mode displayWhen Lit MEANINGS OF OTHER DISPLAYSContents When OffSECTION ELECTRICAL ADJUSTMENTS 5-1.PARTS REPLACEMENT AND ADJUSTMENT5-4.PRECAUTIONS FOR ADJUSTMENTS 5-5.CREATING CONTINUOUSLY RECORDED DISCOptical pick-upflexible board 5-6.CHECKS PRIOR TO REPAIRS Checking Procedure5-6-2.Laser Power Check 5-6-1.Temperature Compensation Offset Check5-6-4.Focus Bias Check 5-6-5.C PLAY Checking MO Error Rate CheckCD Error Rate Check 5-6-6. Self-Recording/playbackCheckSetting Procedure 5-7.INITIAL SETTING OF ADJUSTMENT VALUE5-10.LASER POWER ADJUSTMENT Recording ProcedureSpecified Value 5-11.TRAVERSE ADJUSTMENTAdjusting Procedure Connection5-12.FOCUS BIAS ADJUSTMENT Adjusting Procedure5-13-1.CD Error Rate Check 5-13.ERROR RATE CHECK5-15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 5-13-2.MO Error Rate Check5-15.ADJUSTING POINTS AND CONNECTING POINTS BD BOARD SIDE ABD BOARD SIDE B SECTION DIAGRAMS 6-1.CIRCUIT BOARDS LOCATIONMDS-PC2 6-2.BLOCK DIAGRAM - BD SECTIONSIGNAL PATH PB Digital outPB REC PageMAIN SECTION SIGNAL PATHBD 2/2 SECTION WAVEFORMSBD 1/2 SECTION PANEL SECTIONSEMICONDUCTOR LOCATION 6-3.PRINTED WIRING BOARD - BD SECTIONSee page 30 for Circuit Boards Location SOLDER BRIDGE SEMICONDUCTOR LOCATIONSee page 33 for Waveform 6-4.SCHEMATIC DIAGRAM - BD 1/2 SECTIONSee page 45 for IC Block Diagrams See page 48 for IC Pin FunctionMDS-PC2 6-5.SCHEMATIC DIAGRAM - BD 2/2 SECTIONSee page 34 for Printed Wiring Board Page6-6.SCHEMATIC DIAGRAM - MAIN 1/2 SECTION See page 39 for Printed Wiring BoardMDS-PC2 Page 6-7.SCHEMATIC DIAGRAM - MAIN 2/2 SECTIONSee page 47 for IC Block Diagrams MDS-PC2MDS-PC2 6-8.PRINTED WIRING BOARD - MAIN SECTIONSEMICONDUCTOR LOCATION PageMDS-PC2 6-9.SCHEMATIC DIAGRAM - PANEL SECTIONSee page 33 for Waveform PagePage 6-10.PRINTED WIRING BOARD - PANEL SECTIONMDS-PC2 See page 30 for Circuit Boards LocationMAIN 6-11.SCHEMATIC DIAGRAM - POWER SECTIONMDS-PC2 DIGITALLOCATION 6-12.PRINTED WIRING BOARD - POWER SECTIONSEMICONDUCTOR MDS-PC26-14.PRINTED WIRING BOARD - BD SWITCH SECTION 6-13.SCHEMATIC DIAGRAM - BD SWITCH SECTION6-15.IC BLOCK DIAGRAM BD sectionIC121 CXD2654R IC152 BH6511FS-E2MAIN section IC301 UDA1341TS/N2IC441 LB1830M 6-16.IC PIN FUNCTIONS IC101 RF Amplifier CXA2523AR BD boardMNT0 FOK Data input/output for DRAM TFDR IC501 System Control M30620MC-406FPMAIN board PB-P SECTION EXPLODED VIEWS 7-1.CABINET SECTION520 522 7-2.MECHANISM SECTION MDM-5A524 513 511512 517 518 5037-3.BASE UNIT SECTION MBU-5A 554SECTION ELECTRICAL PARTS LIST BACK UPMAIN MAIN Ref. NoPANEL MAINPOWER PANELPOWER SW Sony Corporation 9-928-916-11MDS-PC2 Home Audio Company