Sony GY-2120WD Maintenance Manual page 200

5-4. Tracking Adjustment
(b) FWD mode → S-1 mode
(1) Play back the YR2-1 alignment tape (IDR: 0
to 72000). (FWD mode)
(2) Put the unit into the FWD mode, once. Five
or seven seconds later, put into the S-1 mode.
Check that the tape curl at the lower flange of
TG-0 is less than 1/10 of the tape width.
(Spec.3)
If the specification 3 is not satisfied, adjust
the height of TG-1 and TG-2.
Check that the tape curl at the lower flange of
TG-4 is less than 1/10 of the tape width.
(Spec.4)
If the specification 4 is not satisfied, adjust
the height of TG-5.
5-14
. Alignment tape : YR2-1 (IDR 0 to 72000)
TG-0
Lower flanges of TG-0
Spec.3:
The tape curl is less than 1/10 of the tape
width.
Spec.4: Lower flange of TG-4
The tape curl is less than 1/10 of the tape
width.
Tracking Check (S-1 → FWD)
TG-4
GY-2120WD/WS