TEC VCR-20 High Quality Service Manual

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• INTRODUCTION AND IMPORTANT SAFETY PRECAUTION

• ELECTRICAL ADJUSTMENT

  • TEST POINT

1. SWITCHING POSITION ADJUSTMENT (PG – 1, PG – 2)

2. TRACKING PRESET ADJUSTMENT

3. AUDIO AZIMUTH ADJUSTMENT

4. X – VALUE ADJUSTMENT

5. CCD LEVEL ADJUSTMENT

6. PB Y LEVEL ADJUSTMENT

7. Y AGC LEVEL ADJUSTMENT

8. SYNC TIP ADJUSTMENT (CARRIER)

9. WHITE PEAK LEVEL ADJUSTMENT (DEVIATION)

10. REC C LEVEL ADJUSTMENT

11. REC Y LEVEL ADJUSTMENT

12. BIAS LEVEL ADJUSTMENT

13. AUDIO OUTPUT LEVEL ADJUSTMENT

• MECHANICAL ADJUSTMENT

1. ADJUSTMENT OF THE TORQUE OF THE DECK MECHANISM

2. IN THE PLAY MODE

3. REEL DISK HEIGHT

4. GUIDE POLE HEIGHT ADJUSTMENT

5. AUDIO/CTL HEAD

6. TAPE TRANSPORT SYSTEM CHECKS AND ADJUSTMENT

7. INTERCHANGEABILITY ADJUSTMENT

8. PERIODIC MAINTENANCE

9. CASSETTE DECK EXPLODED VIEW

10. MECHANICAL PARTS LIST

• DIAGRAM

1. BLOCK DIAGRAM

2. TERMINOLOGY CHANGES

3. SCHEMATIC DIAGRAM

4. IC, TRANSISTOR LEAD IDENTIFICATION

5. ELECTRICAL PARTS LOCATION

6. WIRING DIAGRAM

7. CABINET EXPLODED VIEW

8. ELECTRICAL PARTS LIST