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6.2.2.3 FG HEAD GAP ADJUSTMENT
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Purpose:
●
To properly pick up the FG Signal.
Symptom of Misadjustment:
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If the FG Signal is not properly picked up, Servo Operation cannot be achieved.
Equipment Required:
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Oscilloscope
Specification
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0.13 +/- 0.02mm
1. Remove the VCR Chassis Unit and then place it upside down.
2. Remove the Main C.B.A.
3. Slightly loosen Black Screw (A). Then set the Screwdriver (#1 or #2 Phillips Driver) into the
Hole (A). Turn the screwdriver counterclockwise until the FG Head touches the rotor. Then
turn it slightly clockwise to the clearanceas specified.
4. Tighten Black Screw (A).
5. Reinstall the Main C.B.A.
file:///E:/PV-9661_PV-9662/SVC/s0602020300.html (1 z 2) [2006-01-28 11:10:50]
Fig. M4
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