Ctl/Tc Head Zenith Adjustment - Sony GY-2120WD Maintenance Manual

5-2. CTL/TC Head Zenith Adjustment

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:
. Cleaning fluid:
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.
5-4
3-184-527-01
9-919-573-01
Erase head
CTL/TC head
Flatness plate
A
Spec.: A = No clearance.
B = No clearance.
CTL/TC Head Zenith Check
CTL/TC head
TG-4 guide
Flatness plate
B
GY-2120WD/WS