Sony SVT-RA168, Service Manual

Page: 7 / 100

3
SVT-RA40/RA168
4. Mechanism Checks and Adjustments ........................................................... 2-33
4-1. Reel Table Torque Check .................................................................. 2-33
4-2. Adjusting the BT Lever Assembly Position and
Checking the Back Tension Torque in Play Mode ........................... 2-34
4-2-1. BT Lever Pole Position Adjustment ........................................ 2-34
4-2-2. Checking the Back Tension Torque Play Mode ...................... 2-34
4-3. Tape Path Adjustment ....................................................................... 2-34
4-3-1. Adjustment Procedure .............................................................. 2-35
4-3-2. Load Lever Assembly Height Adjustment ............................... 2-35
4-3-3. Guide Roller Height Adjustment ............................................. 2-36
4-3-4. Audio R/P Head (ACE Head) Height Adjustment,
Azimuth Adjustment and Horizontal Position Adjustment ..... 2-37
4-3-5. Checking After Adjustment ..................................................... 2-38
5. Test Points for Tape Path Adjustment .......................................................... 2-38
3. Electrical Adjustments
3-1. Servo Circuit Adjustment ............................................................................ 3-1
3-1-1. Test Equipment and Standards Required ................................... 3-1
3-1-2. Location Of Adjustment Points .................................................. 3-1
3-1-3. Switching Position Adj. ............................................................. 3-2
3-1-4. 24 H Play Tracking Confirm and Adj. ....................................... 3-2
3-1-5. F. Slow Tracking Confirm and Adj. ........................................... 3-3
3-2. Video Circuit Adjustment ........................................................................... 3-4
3-2-1. Test Equipment and Standards Required ................................... 3-4
3-2-2. Comb Filter Adj. ........................................................................ 3-4
3-2-3. 2 H Delay Level Adj. ................................................................. 3-4
4. Spare Parts
4-1. Notes on Repair Parts .................................................................................. 4-1
4-2. Exploded Views .......................................................................................... 4-2
4-3. Electrical Parts List ..................................................................................... 4-9
5. Semiconductors