Sony GY-2120WD Maintenance Manual page 219

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Adjustment
9. Adjust the TG-5 (Threading Roller)
Height
(1) Play back the YR2-1 (IDR:0 to 72000).
(FWD mode)
(2) Put the unit into the S-1 mode.
(3) In case the level increases when portion A of
the tape shown in the figure is pressed down,
turn the upper flange of TG-5 clockwise
using a tape guide adjustment driver.
In case the level increases when portion B is
pushed up, turn the upper flange of TG-5
counterclockwise.
(4) Check the time code output level satisfies
specification 1. (Refer to steps 5 through 8.)
If the specification 1 is not satisfied, repeat steps
(1) through (4) mentioned above.
5 Lead of drum
6 TG-3(Exit guide)
exit side
Erase head
GY-2120WD/WS
10. Check the Tape Running at Drum Exit
Side
In the modes below, check that the tape running
condition satisfies specification 2.
(1) FWD mode
(2) S-5 mode
(3) S-1 mode
If specification 2 is not satisfied, adjust the tape
guides height at the drum exit side. (Refer to steps
6 through 8 (at the Drum Exit Side) in Section 5-
3.)
If the height of the tape guide is adjusted, perform
the tracking check. (Refer to Section 5-4.)
8 TG-5(Threading roller)
7 TG-4
A
B
Capstan
CTL/TC head
5
Spec.2:
Lead of drum exit side
The tape runs without any curl at the lead.
6
TG-3 (Exit guide)
The tape runs in contact with the upper flange.
The tape curl is less than 1/10 of the tape width.
7
TG-4
The tape runs in contact with the lower flange.
The tape curl is less than 1/10 of the tape width.
8
TG-5 (Threading roller)
The tape runs without any curl at the lower flange.
Time Code Level Adjustment in REV Mode
5-8. Time Code Level Adjustment in Rev Mode
Pinch roller
5-33

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