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5-33
GY-2120WD/WS
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.
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.)
5-8. Time Code Level Adjustment in Rev Mode
Time Code Level Adjustment in REV Mode
A
B
7
TG-4
5
Lead of drum
exit side
6
TG-3(Exit guide)
8
TG-5(Threading roller)
Erase head
CTL/TC head
Capstan
Pinch roller
Lead of drum exit side
The tape runs without any curl at the lead.
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.
TG-4
The tape runs in contact with the lower flange.
The tape curl is less than 1/10 of the tape width.
TG-5 (Threading roller)
The tape runs without any curl at the lower flange.
5
6
7
8
Spec.2:
Summary of Contents for GY-2120WD
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Page 437: ...7 3 GY 2120WD WS Index Mechanical Deck Overall Block 6 7 9 8 2 1 3 4 5 ...
Page 469: ...8 1 GY 2120WD WS 8 1 Section 8 Block Diagrams Frame Wiring ...
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