Manuals / Sony / Home Audio / Stereo System

Sony MDS-PC2 service manual Printed Wiring Board - Main Section, Semiconductor Location, Page

Models: MDS-PC2

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Page 39

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MDS-PC2

6-8. PRINTED WIRING BOARD – MAIN SECTION –

• See page 30 for Circuit Boards Location.

LINE

(ANALOG)

OUT

POWER	BD SWITCH	BD BOARD	PANEL
BOARD	BOARD	BD BOARD	BOARD
(Page 43)	(Page 44)	(Page 34)	(Page 41)

• SEMICONDUCTOR LOCATION

Ref. No.	Location

D390	A-2
D391	A-2
IC301	A-3
IC308	A-1
IC351	A-4
IC381	A-2
IC382	A-2
IC441	A-5
IC501	B-7
Q191	A-1
Q192	A-1
Q291	A-1
Q292	A-1
Q390	A-2
Q441	B-6

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Page 39

Image 39

Sony MDS-PC2 Printed Wiring Board - Main Section, Semiconductor Location, Page, See page 30 for Circuit Boards Location

Contents

US Model Canadian Model AEP Model UK Model SPECIFICATIONSMDS-PC2 MINIDISC DECKSELF-DIAGNOSISFUNCTION ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Table of Error CodesSelecting the Test Mode VARNIG Notes on chip component replacementFlexible Circuit Board Repairing ADVARSELSAFETY CHECK-OUT TABLE OF CONTENTS3. DISASSEMBLY 6. DIAGRAMSJIG FOR CHECKING BD BOARD WAVEFORM SECTION SERVICING NOTEDisplay Precedure Record PrecedureCHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS Procedure FORCED RESETProcedure POWER BOARD Component SideRETRY CAUSE DISPLAY MODE PrecedureReading the Display Hexadecimal nBinary Conversion Table Reading the DisplayLocation of Parts and Controls SECTION GENERALSECTION 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 6 SW board 5Three screws BTP2.6 3-5.SW BOARD AND LOADING MOTOR M1031 Screw PTPWH M2.6 x 2 Gear B 3 Two screws PWH 1.7 x 4 Loading motor M1034-3.EXITING THE TEST MODE 4-1.PRECAUTIONS FOR USE OF TEST MODE4-2.SETTING THE TEST MODE SECTION TEST MODE4-5.SELECTING THE TEST MODE 4-5-3. Non-VolatileMemory Mode EEP MODE 4-5-1.Operating the Continuous Playback Mode1. Mode display 2. Error rate display4-6.FUNCTIONS OF OTHER BUTTONS 4-7.TEST MODE DISPLAYSWhen Off MEANINGS OF OTHER DISPLAYSContents When Lit5-1.PARTS REPLACEMENT AND ADJUSTMENT SECTION ELECTRICAL ADJUSTMENTS5-4.PRECAUTIONS FOR ADJUSTMENTS 5-5.CREATING CONTINUOUSLY RECORDED DISCOptical pick-upflexible board 5-6.CHECKS PRIOR TO REPAIRS 5-6-1.Temperature Compensation Offset CheckChecking Procedure 5-6-2.Laser Power Check5-6-6. Self-Recording/playbackCheck 5-6-5.C PLAY Checking MO Error Rate CheckCD Error Rate Check 5-6-4.Focus Bias CheckSetting Procedure 5-7.INITIAL SETTING OF ADJUSTMENT VALUE5-9.TEMPERATURE COMPENSATION OFFSET ADJUTMENT 5-10.LASER POWER ADJUSTMENTConnection 5-11.TRAVERSE ADJUSTMENTAdjusting Procedure Specified ValueAdjusting Procedure 5-12.FOCUS BIAS ADJUSTMENT5-13-2.MO Error Rate Check 5-13.ERROR RATE CHECK5-15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 5-13-1.CD Error Rate Check5-15.ADJUSTING POINTS AND CONNECTING POINTS BD BOARD SIDE ABD BOARD SIDE B 6-1.CIRCUIT BOARDS LOCATION SECTION DIAGRAMSPB Digital out 6-2.BLOCK DIAGRAM - BD SECTIONSIGNAL PATH MDS-PC2SIGNAL PATH PageMAIN SECTION PB RECPANEL SECTION WAVEFORMSBD 1/2 SECTION BD 2/2 SECTIONSOLDER BRIDGE SEMICONDUCTOR LOCATION 6-3.PRINTED WIRING BOARD - BD SECTIONSee page 30 for Circuit Boards Location SEMICONDUCTOR LOCATIONSee page 48 for IC Pin Function 6-4.SCHEMATIC DIAGRAM - BD 1/2 SECTIONSee page 45 for IC Block Diagrams See page 33 for WaveformPage 6-5.SCHEMATIC DIAGRAM - BD 2/2 SECTIONSee page 34 for Printed Wiring Board MDS-PC26-6.SCHEMATIC DIAGRAM - MAIN 1/2 SECTION See page 39 for Printed Wiring BoardMDS-PC2 MDS-PC2 6-7.SCHEMATIC DIAGRAM - MAIN 2/2 SECTIONSee page 47 for IC Block Diagrams PagePage 6-8.PRINTED WIRING BOARD - MAIN SECTIONSEMICONDUCTOR LOCATION MDS-PC2Page 6-9.SCHEMATIC DIAGRAM - PANEL SECTIONSee page 33 for Waveform MDS-PC2See page 30 for Circuit Boards Location 6-10.PRINTED WIRING BOARD - PANEL SECTIONMDS-PC2 PageDIGITAL 6-11.SCHEMATIC DIAGRAM - POWER SECTIONMDS-PC2 MAINMDS-PC2 6-12.PRINTED WIRING BOARD - POWER SECTIONSEMICONDUCTOR LOCATIONBD section 6-13.SCHEMATIC DIAGRAM - BD SWITCH SECTION6-15.IC BLOCK DIAGRAM 6-14.PRINTED WIRING BOARD - BD SWITCH SECTIONIC152 BH6511FS-E2 IC121 CXD2654RMAIN section IC301 UDA1341TS/N2IC441 LB1830M 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 VIEWS503 7-2.MECHANISM SECTION MDM-5A524 513 511512 517 518 520 522554 7-3.BASE UNIT SECTION MBU-5ABACK UP SECTION ELECTRICAL PARTS LISTMAIN Ref. No MAINMAIN PANELPANEL POWERPOWER SW Home Audio Company 9-928-916-11MDS-PC2 Sony Corporation