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5-4
GY-2120WD/WS
5-2. CTL/TC Head Zenith Adjustment
Note
The CTL/TC head zenith check and adjustment are not required except when the
CTL/TC head is replaced.
Tools
.
Flatness plate (SL-657): J-6086-570-A
.
Cleaning cloth:
3-184-527-01
.
Cleaning fluid:
9-919-573-01
Check
1. Unthreading End Mode
Check that the unit is in the unthreading end
mode.
2. Check the CTL/TC Head Zenith
(1) Place the flatness plate lightly against the
TG-4 guide and CTL/TC head.
c
Be careful not to damage the surface of the
CTL/TC head and TG-4 guide.
(2) Check that no clearance exists between the
CTL/TC head and flatness plate as TG-4
guide reference in step (1).
If the specification is not satisfied, perform steps
3 and later.
If it is satisfied, perform step 7.
CTL/TC Head Zenith Check
5-2. CTL/TC Head Zenith Adjustment
CTL/TC head
Flatness plate
A
B
CTL/TC head
Erase head
Spec.:
A
= No clearance.
B
= No clearance.
TG-4 guide
Flatness plate
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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