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5-23
GY-2120WD/WS
Check
4. Turn the Power On
5. Play Back the Alignment Tape
Play back the YR2-1 alignment tape (IDR: 0 to
72000). (FWD mode)
6. Check the CTL/TC Head Height
(1) Check that the level decreases when portion
A of the tape shown in the figure is pressed
down.
If the level increases, perform step 7.
(2) Check that the level decreases when portion
B of the tape is pushed up.
If the level increases, perform step 7.
5-5. CTL/TC Head Height Adjustment
CTL/TC Head Height Check
TG-4
A
B
A
A
>
5 V p-p
<CTL Output waveform>
CTL/TC head
*
Alignment tape: YR2-1
Spec. : The level decreases when pressing down
and pushing up the alignment tape.
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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