Sony DNW-A100 Maintenance Manual page 469

Adjustment
9. Adjust the TG-1 and TG-2 Height
(1) Put the unit into the PLAY mode.
(2) Turn the height adjustment nut of TG-1 and
the upper flange of TG-2 using a tape guide
adjustment driver and adjust the height of
TG-1 and TG-2 so that the specification 1 is
satisfied.
10. Recheck the Tape-running at Tape
Approaching Side
Perform the tape-running check refer to steps 3
through 8, and perform the video tracking
adjustment (Refer to Section 7-1-3).
If the specification 1 is not satisfied, perform the
adjustment in step 9 again.
TG-1 height adjustment nut
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
TG-1
(S tension regulator guide)
TG-0
Tape-running Adjustment at Tape Appoaching Side
7-1-2. Tape-running Check and Adjustment
TG-2
7-9