Manuals / Sony / Home Audio / Stereo System

Sony MDS-PC2 Adjusting Points And Connecting Points, Bd Board Side A, Bd Board Side B

Models: MDS-PC2

1 62

Download 62 pages 27.3 Kb

Page 29

Image 29

5-15. ADJUSTING POINTS AND CONNECTING POINTS

[BD BOARD] (SIDE A)

CN101

D101

CN110 GND

I+3V

IOP

NOTE

IC171

[BD BOARD] (SIDE B)

IC101

IC121

IC192

NOTE:

It is useful to use the jig. for checking the waveform. (Refer to Ser- vicing Note on page 6.)

Page 29

Image 29

Sony MDS-PC2 service manual Adjusting Points And Connecting Points, Bd Board Side A, Bd Board Side B

Contents

MDS-PC2 SPECIFICATIONSMINIDISC DECK US Model Canadian Model AEP Model UK ModelSELF-DIAGNOSISFUNCTION Selecting the Test Mode ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTSTable of Error Codes Flexible Circuit Board Repairing Notes on chip component replacementADVARSEL VARNIG3. DISASSEMBLY TABLE OF CONTENTS6. DIAGRAMS SAFETY CHECK-OUTJIG FOR CHECKING BD BOARD WAVEFORM SECTION SERVICING NOTEDisplay Precedure Record PrecedureCHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS Procedure FORCED RESETPOWER BOARD Component Side ProcedureReading the Display RETRY CAUSE DISPLAY MODEPrecedure Hexadecimal nBinary Conversion Table Reading the DisplayLocation of Parts and Controls SECTION GENERAL3-2.MD MECHANISM SECTION DISASSEMBLY3-1.CASE AND FRONT PANEL Note for Installation of Slider Cam 3-3.SLIDER CAM3-4.BASE UNIT MBU-5AAND BD BOARD 1 Screw PTPWH M2.6 x 2 Gear B 3-5.SW BOARD AND LOADING MOTOR M1033 Two screws PWH 1.7 x 4 Loading motor M103 6 SW board 5Three screws BTP2.64-2.SETTING THE TEST MODE 4-1.PRECAUTIONS FOR USE OF TEST MODESECTION TEST MODE 4-3.EXITING THE TEST MODE4-5.SELECTING THE TEST MODE 4-5-3. Non-VolatileMemory Mode EEP MODE 4-5-1.Operating the Continuous Playback Mode4-6.FUNCTIONS OF OTHER BUTTONS 2. Error rate display4-7.TEST MODE DISPLAYS 1. Mode displayContents MEANINGS OF OTHER DISPLAYSWhen Lit When Off5-1.PARTS REPLACEMENT AND ADJUSTMENT SECTION ELECTRICAL ADJUSTMENTSOptical pick-upflexible board 5-4.PRECAUTIONS FOR ADJUSTMENTS5-5.CREATING CONTINUOUSLY RECORDED DISC Checking Procedure 5-6-1.Temperature Compensation Offset Check5-6-2.Laser Power Check 5-6.CHECKS PRIOR TO REPAIRSCD Error Rate Check 5-6-5.C PLAY Checking MO Error Rate Check5-6-4.Focus Bias Check 5-6-6. Self-Recording/playbackCheck5-9.TEMPERATURE COMPENSATION OFFSET ADJUTMENT 5-7.INITIAL SETTING OF ADJUSTMENT VALUE5-10.LASER POWER ADJUSTMENT Setting ProcedureAdjusting Procedure 5-11.TRAVERSE ADJUSTMENTSpecified Value ConnectionAdjusting Procedure 5-12.FOCUS BIAS ADJUSTMENT5-15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 5-13.ERROR RATE CHECK5-13-1.CD Error Rate Check 5-13-2.MO Error Rate CheckBD BOARD SIDE B 5-15.ADJUSTING POINTS AND CONNECTING POINTSBD BOARD SIDE A 6-1.CIRCUIT BOARDS LOCATION SECTION DIAGRAMSSIGNAL PATH 6-2.BLOCK DIAGRAM - BD SECTIONMDS-PC2 PB Digital outMAIN SECTION PagePB REC SIGNAL PATHBD 1/2 SECTION WAVEFORMSBD 2/2 SECTION PANEL SECTIONSee page 30 for Circuit Boards Location 6-3.PRINTED WIRING BOARD - BD SECTIONSEMICONDUCTOR LOCATION SOLDER BRIDGE SEMICONDUCTOR LOCATIONSee page 45 for IC Block Diagrams 6-4.SCHEMATIC DIAGRAM - BD 1/2 SECTIONSee page 33 for Waveform See page 48 for IC Pin FunctionSee page 34 for Printed Wiring Board 6-5.SCHEMATIC DIAGRAM - BD 2/2 SECTIONMDS-PC2 PageMDS-PC2 6-6.SCHEMATIC DIAGRAM - MAIN 1/2 SECTIONSee page 39 for Printed Wiring Board See page 47 for IC Block Diagrams 6-7.SCHEMATIC DIAGRAM - MAIN 2/2 SECTIONPage MDS-PC2SEMICONDUCTOR LOCATION 6-8.PRINTED WIRING BOARD - MAIN SECTIONMDS-PC2 PageSee page 33 for Waveform 6-9.SCHEMATIC DIAGRAM - PANEL SECTIONMDS-PC2 PageMDS-PC2 6-10.PRINTED WIRING BOARD - PANEL SECTIONPage See page 30 for Circuit Boards LocationMDS-PC2 6-11.SCHEMATIC DIAGRAM - POWER SECTIONMAIN DIGITALSEMICONDUCTOR 6-12.PRINTED WIRING BOARD - POWER SECTIONLOCATION MDS-PC26-15.IC BLOCK DIAGRAM 6-13.SCHEMATIC DIAGRAM - BD SWITCH SECTION6-14.PRINTED WIRING BOARD - BD SWITCH SECTION BD sectionIC152 BH6511FS-E2 IC121 CXD2654RIC441 LB1830M MAIN sectionIC301 UDA1341TS/N2 IC101 RF Amplifier CXA2523AR BD board 6-16.IC PIN FUNCTIONSMNT0 FOK Data input/output for DRAM TFDR IC501 System Control M30620MC-406FPMAIN board PB-P 7-1.CABINET SECTION SECTION EXPLODED VIEWS524 513 511512 517 518 7-2.MECHANISM SECTION MDM-5A520 522 503554 7-3.BASE UNIT SECTION MBU-5ABACK UP SECTION ELECTRICAL PARTS LISTMAIN Ref. No MAINMAIN PANELPANEL POWERPOWER SW MDS-PC2 9-928-916-11Sony Corporation Home Audio Company