Sony MDS-MD1 High Quality Service Manual

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1. General

• MDS – 102

• MDS – MD1

2. Disassembly

   1. Case, Front Panel

   2. DISP, MIC Board

   3. Power Transformer

   4. Back Panel

   5. Mechanism Deck (MDM – 1C)

   6. RF/Servo Board

   7. Base Unit (MBU – 1)

   8. Loading Motor Assy

   9. Sled Motor

   10. Mini Disc Device (KMS – 140B)

3. Test Mode

4. Electrical Adjustments

5. Diagrams

   1. IC Pin Functions

• IC 103 EFM/ACIR Encoder/Decoder (CXD2525R)

• IC 110 Shockproof Memory Controller (CXD2526AR)

• IC 111 System Control (M38067M8 – 126FP)

• IC 301 Function/Display Controller (M38004M8 – 111FP)

1. Block Diagram

2. Circuit Boards Location

3. Semiconductor Lead Layouts

4. Printed Wiring Boards – RF Section

5. Schematic Diagram – RF Section

6. Schematic Diagram – Audio Section

7. Printed Wiring Boards – Audio Section

8. Printed Wiring Boards – Digital Section

9. Schematic Diagram – Digital Section

10. Schematic Diagram – Display (MDS – 102) Section

11. Printed Wiring Boards – Display (MDS – 102) Section

12. Printed Wiring Boards – Display (MD1) Section

13. Schematic Diagram – Display (MD1) Section

1. Exploded Views

   1. Cabinet Section

   2. Chassis Section

   3. Mechanism Deck Section – 1

   4. Mechanism Deck Section – 2

   5. Base Unit Section

2. Electrical Parts List