
Symptom of Misadjustment:
If the FG Signal is not properly picked up, Servo Operation cannot be
achieved.
Equipment Required:
Oscilloscope
Specification:
0.1 mm ~ 0.13 mm
1. Remove the VCR Chassis Unit and then place it upside down.
2. Remove the Main C.B.A.
3. Slightly loosen Screw (A). Then set the Screwdriver (Phillips Driver)
into the Hole (A). Turn the screwdriver clockwise until the MR Head
touches the rotor. Then turn it slightly counterclockwise to make the
clearance as specified.
4. Tighten Screw (A).
5. Reinstall the Main C.B.A.
Fig. M3-1
Note:
Do not touch the outside circumference of the rotor surface with any
tool and keep magnetic material away from the rotor magnet (especially
56
Содержание Quasar Omnivision PV-V4021-K
Страница 9: ...2 Fault indication will be displayed in F I P as shown Fig 2 2 FIg 2 3 9 ...
Страница 13: ...5 1 4 1 3 Service Position 2 2 Model M N Fig 4 2 2 13 ...
Страница 27: ...Fig D2 6 1 2 1 Notes in chart 27 ...
Страница 30: ...Fig D5 2 30 ...
Страница 32: ...32 ...
Страница 33: ...6 2 2 Inner Parts Location Fig J1 1 33 ...
Страница 34: ...34 ...
Страница 36: ...Fig J2 1 2 36 ...
Страница 67: ...11 2 MECHANISM BOTTOM SECTION 67 ...
Страница 68: ...11 3 CASSETTE UP COMPARTMENT SECTION 68 ...
Страница 69: ...11 4 CHASSIS FRAME AND CASING PARTS SECTION Model PVQ V201 PV V4021 PV V4021 K VHQ 401 PV V4511 PV V4521A 69 ...
Страница 70: ... Model PV V4511 PV V4521 PV V4521 K VHQ 451 70 ...
Страница 71: ... Model PV V4611 71 ...
Страница 73: ... Model PV V4611 73 ...
Страница 78: ...12 2 MECHANICAL REPLACEMENT PARTS LIST MECHANICAL REPLACEMENT PARTS 78 ...
Страница 81: ... 81 ...
Страница 88: ... 88 ...
Страница 90: ...90 ...
Страница 95: ...95 ...
Страница 105: ...105 ...
Страница 109: ...109 ...
Страница 145: ...1 2 Schematic Diagram Circuit Board Layout 2 ...