Section General | Sony MDS-JE640 instruction

SECTION 2

GENERAL

12 3

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8 9 0 qa

qs qd

wj wh wg wf wd ws wa

w; ql qkqj qhqgqf

1	STANDBY indicator	qg	J button
2	@/1 (power) button	qh	REPEAT button
3	Remote sensor	qj	PLAY MODE button
4	MDLP indicator	qk	j button
5	A EJECT button	ql lAMS L /PUSH ENTER button
6	MENU/NO button	w;	CLEAR button
7	YES button	wa	TIME button
8	H button	ws SF EDIT button and indicator
9	S button	wd PITCH CONTROL button and indicator
q;	s button	wf	KEYBOARD jack
qa	z REC button	wg	LEVEL knob
qs	REC MODE button	wh	PHONES jack
qd	INPUT button	wj	TIMER knob
qf	LEVEL/DISPLAY/CHAR button

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Sony MDS-JE640 specifications Section General

Contents

NEW SpecificationsInputs Outputs Three- or five Digit code Cause/Remedy Message Supplied accessoriesSELF-DIAGNOSIS Function General Items of Error History Mode Items and Contents Exploded Views Table of ContentsDisassembly Diagrams Flexible Circuit Board Repairing Section Service Notes IOP JIG for Checking BD Board Waveform Record Precedure Main Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset Bit Binary Retry Cause Display Mode Hexadecimal t Binary Conversion Table Section General Front Panel Section Section Disassembly PT BOARD, VOL-SEL Board Main Board BD Board Mechanism Deck Section MDM-7A Exiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test Mode Display Details Mark Group Selecting the Test Mode MENU/NO Operating the Continuous Playback Mode Functions of Other Buttons Test Mode DisplaysMode display Error rate display Information When Memory NG is DisplayedMeanings of Other Displays Automatic SELF-DIAGNOSIS Function Check before replacement Section Electrical AdjustmentsParts Replacement and Adjustment YES Adjustment flow Precautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B Checks Prior to Repairs Using the Continuously Recorded Disc Other Checks Auto Check CD Error Rate Check Play Check MO Error Rate Check Laser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Iop NV Save Traverse Adjustment YES Focus Bias Adjustment MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level Adjustment Adjusting Points and Connecting Points Circuit Boards Location Section DiagramsFor schematic diagrams For printed wiring boards MDS-JE640 Block Diagrams BD SectionSignal Path REC Analog Main Section Display Board BD BoardMain Board Semiconductor Printed Wiring Board BD Section PIN 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 Diagrams IC400 LA5643 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN Functions MNT0 FOK Mvci Tfdr IC1 M30805SGP System Control Main Board HLDA/ALE Chassis Section Section Exploded Views Panel ASSY, Front Silver Panel ASSY, Front Black AEP,UK,CIS,SP,MY 202 220 201 213 215 216 205 218 207 Mechanism MDM-7A Motor ASSY, Loading HEAD, Over LightMotor ASSY, Spindle Motor ASSY, Sled Section Electrical Parts List IC BA033FP-E2 IC TC7WU04FUTE12RMetal Chip IC MC74ACT08DTR2 Display KEY-SW Main PLUG, Connector 10P Diode PIN, Connector 3PCONNECTOR, FFC 17P PIN, Connector 4P Transistor UN2111-TX IC SN74LVU04ANSRAEP,UK,CIS Transistor UN2211-TX Composition Circuit Block ConnectorTRANSFORMER, Power CND TRANSFORMER, Power SP,MY VOL-SEL Sony Corporation