Sony TC-EX100 High Quality Service Manual

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1. Section 1. Service Note

2. Section 2. General

3. Section 3. Disassembly

   1. Case and Back Panel

   2. TC Main Board

   3. Front Panel Assy

   4. TC Mechanism Deck

4. Section 4. Adjustments

   1. Mechanical Adjustments

   2. Electrical Adjustments

• Test Mode

• Record/Playback Head Azimuth Adjustment (Deck – A) ( Deck – B)

• Tape Speed Adjustment (Deck – A) ( Deck – B)

• Playback Level Adjustment (Deck – A) ( Deck – B)

• Record Bias Adjustment ( Deck – B)

• Record Level Adjustment ( Deck – B)

5. Section 5. Diagrams

   1. IC Pin Function

• IC104 M38123M4 – 118FP System Controller (TC Main Board)

1. Circuit Boards Location

2. Printed Wiring Board – Audio Section

3. Schematic Diagram – Audio Section

4. Printed Wiring Board – TC Section

5. Schematic Diagram – TC Section

6. IC Block Diagram

1. Section 6. Exploded Views

   1. Chassis Section

   2. Front Panel Section

   3. Mechanism Section – 1

• Deck A: TCM – 190RA12CL

• Deck B: TCM – 190RB52C

1. Mechanism Section – 2

• Deck A: TCM – 190RA12CL

• Deck B: TCM – 190RB52C

7. Section 7. Electrical Parts List