Sony
MDS-JE640
specifications
Printed Wiring Board Display Section
Specifications
Parts list
Section Diagrams
Signal Path
Error rate display
Forced Reset
Supplied accessories
PIN, Connector 3P
Section Disassembly
Section Electrical Adjustments
Page 44
MDS-JE640
6-12.
PRINTED WIRING BOARD – DISPLAY SECTION –
44 44
Page 43
Page 45
Image 44
Page 43
Page 45
Contents
Specifications
Inputs
Outputs
NEW
Supplied accessories
SELF-DIAGNOSIS Function
General
Three- or five Digit code Cause/Remedy Message
Items of Error History Mode Items and Contents
Table of Contents
Disassembly
Diagrams
Exploded Views
Section Service Notes
Flexible Circuit Board Repairing
JIG for Checking BD Board Waveform
IOP
Record Precedure
Main Board Component Side
Checks Prior to Parts Replacement and Adjustments
Forced Reset
Retry Cause Display Mode
Bit Binary
Hexadecimal t Binary Conversion Table
Section General
Section Disassembly
Front Panel Section
Main Board
PT BOARD, VOL-SEL Board
Mechanism Deck Section MDM-7A
BD Board
Section Test Mode
Precautions for USE of Test Mode
Setting the Test Mode
Exiting the Test Mode
Selecting the Test Mode
Display Details Mark Group
Operating the Continuous Playback Mode
MENU/NO
Test Mode Displays
Mode display
Error rate display
Functions of Other Buttons
When Memory NG is Displayed
Meanings of Other Displays
Automatic SELF-DIAGNOSIS Function
Information
Check before replacement
Section Electrical Adjustments
Parts Replacement and Adjustment
Adjustment flow
YES
Precautions for Adjustments
Precautions for Checking Laser Diode Emission
Precautions for USE of Optical PICK- UP KMS-260B
Using the Continuously Recorded Disc
Checks Prior to Repairs
Auto Check
Other Checks
Play Check MO Error Rate Check
CD Error Rate Check
Laser Power Adjustment
Initial Setting of Adjustment Value
Temperature Compensation Offset Adjutment
Traverse Adjustment
Iop NV Save
Focus Bias Adjustment
YES
Error Rate Check
Auto Gain Control Output Level Adjustment
CD Auto Gain Control Output Level Adjustment
MO Auto Gain Control Output Level Adjustment
Adjusting Points and Connecting Points
Section Diagrams
For schematic diagrams
For printed wiring boards
Circuit Boards Location
MDS-JE640
Block Diagrams BD Section
Signal Path
Main Section
REC Analog
Display Board
BD Board
Main Board
Printed Wiring Board BD Section
Semiconductor
PIN
PIN Function
Printed Wiring Board Main Section Side a
IC2
Printed Wiring Board Main Section Side B
IC1
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 Board
IC400 LA5643 Main Board
IC PIN Functions
IC101 CXA2523AR RF Amplifier BD Board
MNT0 FOK
Mvci
Tfdr
IC1 M30805SGP System Control Main Board
HLDA/ALE
Section Exploded Views
Chassis Section
Panel ASSY, Front Black AEP,UK,CIS,SP,MY
Panel ASSY, Front Silver
Mechanism MDM-7A
202 220 201 213 215 216 205 218 207
HEAD, Over Light
Motor ASSY, Spindle
Motor ASSY, Sled
Motor ASSY, Loading
Section Electrical Parts List
IC TC7WU04FUTE12R
Metal Chip
IC MC74ACT08DTR2
IC BA033FP-E2
Display
KEY-SW Main
PIN, Connector 3P
CONNECTOR, FFC 17P
PIN, Connector 4P
PLUG, Connector 10P Diode
IC SN74LVU04ANSR
AEP,UK,CIS
Transistor UN2211-TX
Transistor UN2111-TX
Connector
TRANSFORMER, Power CND
TRANSFORMER, Power SP,MY
Composition Circuit Block
VOL-SEL
Sony Corporation
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