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Sony MDS-JE640 specifications Section Disassembly, Front Panel Section

Models: MDS-JE640

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SECTION 3

DISASSEMBLY

Note : Follow the disassembly procedure in the numerical order given.

3-1. UPPER CASE (408226)

1 two screws	2 upper case (408226)
1 two screws
(CASE 3 TP2)

1 two screws (CASE 3 TP2)

3-2. FRONT PANEL SECTION

3 connector (CN820)

1 wire (flat type) (17core) (CN490)

5 claw	2 connector
	2 connector
	(CN390)

5 claw

6 front panel section

4 six screws (BVTP3 ⋅ 8)

12

Image 12

Sony MDS-JE640 specifications Section Disassembly, Front Panel Section

Contents

Specifications InputsOutputs NEWSupplied accessories SELF-DIAGNOSIS FunctionGeneral Three- or five Digit code Cause/Remedy MessageItems of Error History Mode Items and Contents Table of Contents DisassemblyDiagrams Exploded ViewsSection Service Notes Flexible Circuit Board RepairingJIG for Checking BD Board Waveform IOPRecord Precedure Checks Prior to Parts Replacement and Adjustments Forced ResetMain Board Component Side Retry Cause Display Mode Bit BinaryHexadecimal t Binary Conversion Table Section General Section Disassembly Front Panel SectionMain Board PT BOARD, VOL-SEL BoardMechanism Deck Section MDM-7A BD BoardSection Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test ModeSelecting the Test Mode Display Details Mark GroupOperating the Continuous Playback Mode MENU/NOTest Mode Displays Mode displayError rate display Functions of Other ButtonsWhen Memory NG is Displayed Meanings of Other DisplaysAutomatic SELF-DIAGNOSIS Function InformationSection Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Adjustment flow YESPrecautions for Checking Laser Diode Emission Precautions for USE of Optical PICK- UP KMS-260BPrecautions for Adjustments Using the Continuously Recorded Disc Checks Prior to RepairsAuto Check Other ChecksPlay Check MO Error Rate Check CD Error Rate CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Traverse Adjustment Iop NV SaveFocus Bias Adjustment YESError Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Section Diagrams For schematic diagramsFor printed wiring boards Circuit Boards LocationBlock Diagrams BD Section Signal PathMDS-JE640 Main Section REC AnalogBD Board Main BoardDisplay Board Printed Wiring Board BD Section SemiconductorPIN PIN Function Printed Wiring Board Main Section Side a Printed Wiring Board Main Section Side B IC1IC2 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 IC Block Diagrams IC101 CXA2523AR BD BoardIC400 LA5643 Main Board IC PIN Functions IC101 CXA2523AR RF Amplifier BD BoardMNT0 FOK Mvci Tfdr IC1 M30805SGP System Control Main Board HLDA/ALE Section Exploded Views Chassis SectionPanel ASSY, Front Black AEP,UK,CIS,SP,MY Panel ASSY, Front SilverMechanism MDM-7A 202 220 201 213 215 216 205 218 207HEAD, Over Light Motor ASSY, SpindleMotor ASSY, Sled Motor ASSY, LoadingSection Electrical Parts List IC TC7WU04FUTE12R Metal ChipIC MC74ACT08DTR2 IC BA033FP-E2Display KEY-SW Main PIN, Connector 3P CONNECTOR, FFC 17PPIN, Connector 4P PLUG, Connector 10P DiodeIC SN74LVU04ANSR AEP,UK,CISTransistor UN2211-TX Transistor UN2111-TXConnector TRANSFORMER, Power CNDTRANSFORMER, Power SP,MY Composition Circuit BlockVOL-SEL Sony Corporation