Sony MDS-JE640 specifications Printed Wiring Board BD Section, Semiconductor

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6-3. PRINTED WIRING BOARD – BD SECTION –

•Semiconductor

Location

Ref. No. Location

D101 A-1

Q101 B-1

Q131 C-1

Q132 B-1

Q133 B-1

Q134 C-1

MDS-JE640

•Semiconductor

Location

Ref. No.	Location		Ref. No.	Location

D181	D-3		IC181	D-3
D183	D-3		IC190	D-1
IC101	A-3		IC195	D-2
IC102	B-3		Q121	B-3
IC141	C-1		Q122	B-3
IC151	C-2		Q181	D-3
IC153	C-3		Q182	D-3
IC171	D-2

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Contents NEW SpecificationsInputs OutputsThree- or five Digit code Cause/Remedy Message Supplied accessoriesSELF-DIAGNOSIS Function GeneralItems of Error History Mode Items and Contents Exploded Views Table of ContentsDisassembly DiagramsFlexible Circuit Board Repairing Section Service NotesIOP JIG for Checking BD Board WaveformRecord Precedure Main Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset Bit Binary Retry Cause Display ModeHexadecimal t Binary Conversion Table Section General Front Panel Section Section DisassemblyPT BOARD, VOL-SEL Board Main BoardBD Board Mechanism Deck Section MDM-7AExiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Details Mark Group Selecting the Test ModeMENU/NO Operating the Continuous Playback ModeFunctions of Other Buttons Test Mode DisplaysMode display Error rate displayInformation When Memory NG is DisplayedMeanings of Other Displays Automatic SELF-DIAGNOSIS FunctionCheck before replacement Section Electrical AdjustmentsParts Replacement and Adjustment YES Adjustment flowPrecautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckCD Error Rate Check Play Check MO Error Rate CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Iop NV Save Traverse AdjustmentYES Focus Bias AdjustmentMO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Circuit Boards Location Section DiagramsFor schematic diagrams For printed wiring boardsMDS-JE640 Block Diagrams BD SectionSignal Path REC Analog Main SectionDisplay Board BD BoardMain Board Semiconductor Printed Wiring Board BD SectionPIN PIN Function Printed Wiring Board Main Section Side a IC2 Printed Wiring Board Main Section Side BIC1 PIN MDS-JE640 Schematic Diagram Main /3 See page 47 for IC Block Diagrams Printed Wiring Board Power Section Printed Wiring Board Display Section Schematic Diagram Display Section See page 34 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsIC400 LA5643 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsMNT0 FOK Mvci Tfdr IC1 M30805SGP System Control Main Board HLDA/ALE Chassis Section Section Exploded ViewsPanel ASSY, Front Silver Panel ASSY, Front Black AEP,UK,CIS,SP,MY202 220 201 213 215 216 205 218 207 Mechanism MDM-7AMotor ASSY, Loading HEAD, Over LightMotor ASSY, Spindle Motor ASSY, SledSection Electrical Parts List IC BA033FP-E2 IC TC7WU04FUTE12RMetal Chip IC MC74ACT08DTR2Display KEY-SW Main PLUG, Connector 10P Diode PIN, Connector 3PCONNECTOR, FFC 17P PIN, Connector 4PTransistor UN2111-TX IC SN74LVU04ANSRAEP,UK,CIS Transistor UN2211-TXComposition Circuit Block ConnectorTRANSFORMER, Power CND TRANSFORMER, Power SP,MYVOL-SEL Sony Corporation