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Sony
MDM-7A, NEW, KMS-2608/J1N Schematic Diagram Display Section See page 34 for Waveforms
Models:
KMS-2608/J1N
MDM-7A
NEW
1
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Specification
Parts list
Section Diagrams
Check before replacement
Forced Reset
Section Disassembly
Error rate display
Adjustment flow
Setting the Test Mode
How to
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MDS-JE440
6-13.
SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 34 for Waveforms.
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Contents
Specifications
Inputs
Outputs
Supplied accessories
Where purchased Power requirements
SELF-DIAGNOSIS Function
General
Items of Error History Mode Items and Contents
Disassembly
Table of Contents
Diagrams
Exploded Views
Safety CHECK-OUT
Section Service Notes
Flexible Circuit Board Repairing
Leakage
IOP
JIG for Checking BD Board Waveform
Record Precedure
Checks Prior to Parts Replacement and Adjustments
Forced Reset
Main Board Component Side
Bit Binary
Retry Cause Display Mode
Bit When Binary
Higher Bits Lower Bits Hexa Details
Hexadecimal Binary
Section General
Front Panel Section
Section Disassembly
PT BOARD, VOL-SEL Board
Main Board
BD Board
Mechanism Deck Section MDM-7A
Precautions for USE of Test Mode
Section Test Mode
Setting the Test Mode
Exiting the Test Mode
Display Details Mark Group
Selecting the Test Mode
MID
Operating the Continuous Playback Mode
OUT
MENU/NO
Mode display
Test Mode Displays
Error rate display
Functions of Other Buttons
Meanings of Other Displays
When Memory NG is Displayed
Automatic SELF-DIAGNOSIS Function
Information
Section Electrical Adjustments
Parts Replacement and Adjustment
Check before replacement
YES
Adjustment flow
Precautions for Checking Laser Diode Emission
Precautions for USE of Optical PICK- UP KMS-260B
Precautions for Adjustments
Checks Prior to Repairs
Using the Continuously Recorded Disc
Other Checks
Auto Check
Traverse Check
Traverse Waveform
CD Error Rate Check
Play Check MO Error Rate Check
Focus Bias Check
Self-Recording/playback Check
Initial Setting of Adjustment Value
Temperature Compensation Offset Adjutment
Laser Power Adjustment
Iop NV Save
Traverse Adjustment
YES
Focus Bias Adjustment
Auto Gain Control Output Level Adjustment
Error Rate Check
CD Auto Gain Control Output Level Adjustment
MO Auto Gain Control Output Level Adjustment
Adjusting Points and Connecting Points
For schematic diagrams
Section Diagrams
For printed wiring boards
Circuit Boards Location
MDS-JE440
Block Diagrams BD Section
Sclk Cclk Control Generator OSC
Main Section
BD Board
Main Board
Display Board
Semiconductor
Printed Wiring Board BD Section
PIN
PIN Function
Printed Wiring Board Main Section Side a
Printed Wiring Board Main Section Side B
PIN
MDS-JE440
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
Pin No Pin Name Function
IC PIN Functions
MNT1 Shck
MNT0 FOK
MNT2 Xbusy
MNT3 Sloc
Asyo
Mvci
Asyi
Avdd
Ffdr
Tfdr
Frdr
FS4
IC1 M30805SGP System Control Main Board
HLDA/ALE
Chassis Section
Section Exploded Views
Not supplied FL771
202 220 201 213 215 216 205 218 207
Mechanism MDM-7A
259
Description Remarks Ref. No
Section Electrical Parts List
IC TC7WU04FUTE12R
Display KEY-SW
SWITCH, Keyboard MENU/NO
CN1
Main
Diode MA8047-TX
Vibrator
Main VOL-SEL
Sony Corporation