
2DNV-5
DNW-7/90/90WS
3-3. Replacement of Main Parts .......................................................................3-40
3-3-1. T Soft Brake Assembly Replacement ......................................3-40
3-3-2. S/T Idler Assembly Replacement.............................................3-42
3-3-3. Timing Belt (Reel) Replacement .............................................3-44
3-3-4. Timing Belt (Threading) Replacement ....................................3-46
3-3-5. Capstan Motor Replacement ....................................................3-49
3-3-6. CTL Head Replacement ...........................................................3-52
3-3-7. TC Head Replacement .............................................................3-55
3-3-8. Reel Table Replacement ..........................................................3-58
3-3-9. Pinch Arm Assembly Replacement .........................................3-62
3-3-10. Sensor (A) Detection Pin Replacement....................................3-64
3-3-11. Sensor (B) Detection Pin Replacement ....................................3-66
3-3-12. Tension Regulator Assembly Replacement .............................3-68
3-3-13. Gear Block Assembly Replacement.........................................3-71
3-3-14. FE Head Replacement ..............................................................3-75
3-3-15. Tape Cleaner Replacement ......................................................3-78
3-3-16. Tape Guide (S1, T1, T3) Replacement ....................................3-79
3-3-17. Cassette Stopper Replacement .................................................3-81
3-3-18. S Slider Assembly Replacement ..............................................3-83
3-3-19. T Slider Assembly Replacement ..............................................3-87
3-3-20. Threading Arm Assembly Replacement ..................................3-91
3-3-21. End Sensor Assembly Replacement.........................................3-94
3-3-22. Full-Top Sensor Assembly Replacement .................................3-95
3-3-23. Top Sensor Assembly Replacement.........................................3-96
3-3-24. Cassette Compartment Replacement........................................3-97
3-3-25. Removal and Installation of Mechanical Deck Assembly .....3-100
3-4. Removal and Installation of CCD Block
(Only for DNW-7/7P/90/90P/90WS/90WSP) ........................................3-102
3-5. Fan Motor Replacement ..........................................................................3-105
4. Mechanical Alignment
4-1. Mechanical Adjustment ..............................................................................4-1
4-1-1. Reel Table Height Adjustment ...................................................4-1
4-1-2. Tension Regulator Operating Position Adjustment ...................4-3
4-1-3. FWD Back Tension Adjustment ................................................4-5
4-1-4. Brake Torque Confirmation .......................................................4-7
4-1-5. Timing Belt (Reel) Tension Adjustment ....................................4-9
4-2. Tape Running System Adjustment............................................................4-10
4-2-1. Tape Running Adjustment .......................................................4-12
4-2-2. Video Tracking Adjustment .....................................................4-19
4-2-3. CTL Head Height Adjustment .................................................4-24
4-2-4. CTL Head Position Adjustment ...............................................4-26
4-2-5. TC Head Height Adjustment ....................................................4-28
4-2-6. TC Head Position Adjustment .................................................4-30