Sony
MDS-JE640
specifications
Printed Wiring Board Power Section
Specs
Parts list
Section Diagrams
Signal Path
Error rate display
Forced Reset
Supplied accessories
PIN, Connector 3P
Section Disassembly
Section Electrical Adjustments
Page 43
MDS-JE640
6-11.
PRINTED WIRING BOARD – POWER SECTION –
43 43
Page 42
Page 44
Image 43
Page 42
Page 44
Contents
NEW
Specifications
Inputs
Outputs
Three- or five Digit code Cause/Remedy Message
Supplied accessories
SELF-DIAGNOSIS Function
General
Items of Error History Mode Items and Contents
Exploded Views
Table of Contents
Disassembly
Diagrams
Flexible Circuit Board Repairing
Section Service Notes
IOP
JIG for Checking BD Board Waveform
Record Precedure
Forced Reset
Checks Prior to Parts Replacement and Adjustments
Main Board Component Side
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 Mode
Precautions 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 Displays
Mode display
Error rate display
Information
When Memory NG is Displayed
Meanings of Other Displays
Automatic SELF-DIAGNOSIS Function
Parts Replacement and Adjustment
Section Electrical Adjustments
Check before replacement
YES
Adjustment flow
Precautions for USE of Optical PICK- UP KMS-260B
Precautions for Checking Laser Diode Emission
Precautions for Adjustments
Checks Prior to Repairs
Using the Continuously Recorded Disc
Other Checks
Auto Check
CD Error Rate Check
Play Check MO Error Rate Check
Temperature Compensation Offset Adjutment
Initial Setting of Adjustment Value
Laser Power Adjustment
Iop NV Save
Traverse Adjustment
YES
Focus Bias Adjustment
MO Auto Gain Control Output Level Adjustment
Error Rate Check
Auto Gain Control Output Level Adjustment
CD Auto Gain Control Output Level Adjustment
Adjusting Points and Connecting Points
Circuit Boards Location
Section Diagrams
For schematic diagrams
For printed wiring boards
Signal Path
Block Diagrams BD Section
MDS-JE640
REC Analog
Main Section
Main Board
BD Board
Display Board
Semiconductor
Printed Wiring Board BD Section
PIN
PIN Function
Printed Wiring Board Main Section Side a
IC1
Printed Wiring Board Main Section Side B
IC2
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 Light
Motor ASSY, Spindle
Motor ASSY, Sled
Section Electrical Parts List
IC BA033FP-E2
IC TC7WU04FUTE12R
Metal Chip
IC MC74ACT08DTR2
Display
KEY-SW Main
PLUG, Connector 10P Diode
PIN, Connector 3P
CONNECTOR, FFC 17P
PIN, Connector 4P
Transistor UN2111-TX
IC SN74LVU04ANSR
AEP,UK,CIS
Transistor UN2211-TX
Composition Circuit Block
Connector
TRANSFORMER, Power CND
TRANSFORMER, Power SP,MY
VOL-SEL
Sony Corporation
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