Sony DSBK-150 - Page 7

3
DSR-70/70P
6. REPLACEMENT OF MECHANICAL PARTS
6-1. General Information on Parts Replacement and Adjustment ......................... 6-1
6-1-1. Preparation Before Starting Parts Replacement ..................................... 6-1
6-1-2. Drum Assembly ...................................................................................... 6-1
6-1-3. Grease ..................................................................................................... 6-1
6-1-4. Tightening Torque and Handling of Washers ........................................ 6-2
6-2. Drum Assembly Replacement ........................................................................ 6-3
6-3. DC Motor SRD13A/J-RP (Reel Motor S) Replacement ................................ 6-5
6-4. DC Motor SRD12A/J-RP (Reel Motor T) Replacement................................ 6-7
6-5. Supply and Takeup Brake Assembly Replacement ....................................... 6-9
6-6. Brake Base Assembly Replacement ............................................................. 6-10
6-7. Brake Solenoid Replacement ....................................................................... 6-12
6-8. Pinch Roller Replacement ............................................................................ 6-13
6-9. Elevator Cam Replacement .......................................................................... 6-14
6-10.Pinch Solenoid Assembly Replacement ....................................................... 6-15
6-11.Supply Tension Regulator Assembly Replacement ..................................... 6-16
6-11-1. Guide Height/Slantness Adjustment..................................................... 6-17
6-12.T Drawer Arm Assembly Replacement ....................................................... 6-19
6-13.S4 Arm Assembly Replacement................................................................... 6-20
6-14.T4 Arm Assembly Replacement .................................................................. 6-21
6-15.Rail Assembly Replacement ........................................................................ 6-22
6-16.Shuttle (Left) Assembly Replacement ......................................................... 6-25
6-17.Shuttle (Right) Assembly Replacement ....................................................... 6-26
6-18.Capstan Motor Replacement ........................................................................ 6-27
6-19.Threading Motor Replacement ..................................................................... 6-28
6-20.Reel Shift Motor Assembly Replacement .................................................... 6-29
6-21.MIC Holder Assembly Replacement ........................................................... 6-30
7. TAPE PATH ADJUSTMENT
7-1. General Information for Tape Path Adjustment ............................................. 7-1
7-2. Tape Path Adjustment .................................................................................... 7-6
7-3. RF Switching Position Adjustment ................................................................ 7-9
7-4. Confirmation of Tape Path Adjustment ....................................................... 7-12
7-5. Search Forward (x5) Waveform Check ....................................................... 7-13
7-6. Search Reverse (x5) Waveform Check ....................................................... 7-14
7-7. RF Waveform Buildup Check ...................................................................... 7-15
7-8. Tape Curl Check at Tape Guides ................................................................. 7-16
7-9. Check by Playing Back Self-Recorded Tape ............................................... 7-17
8. ELECTRICAL ALIGNMENT (for NTSC)
8-1. Electrical Alignment Overview (for NTSC) ........................................... 8-1 (N)
8-1-1. List of Adjustment Parts .................................................................. 8-1 (N)
8-1-2. Measuring Equipment and Tools..................................................... 8-2 (N)
8-1-3. Reference Tape for Alignment ........................................................ 8-2 (N)