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 metal particles).
Confirmation of Signal Level
1. Place the unit in Service Position (2). Refer to "
SERVICE POSITION
47
Содержание Omnivision PV-V4621
Страница 6: ...Fig 1 3 Fig 1 4 Fig 1 5 6 ...
Страница 26: ...6 2 2 Inner Parts Location Fig J1 1 26 ...
Страница 27: ...6 2 3 EJECT Position Confirmation Fig J1 2 27 ...
Страница 28: ...6 2 4 Grounding Plate Unit Full Erase Head and Cylinder Unit Fig J2 1 6 2 4 1 Reassembly Notes 28 ...
Страница 58: ...11 2 MECHANISM BOTTOM SECTION 58 ...
Страница 59: ...11 3 CASSETTE UP COMPARTMENT SECTION 59 ...
Страница 60: ...11 4 CHASSIS FRAME AND CASING PARTS SECTION 60 ...
Страница 61: ...11 5 PACKING PARTS AND ACCESSORIES SECTION 61 ...