Panasonic Omnivision VHS PV-C2780, Руководство по обслуживанию

Страница: 18 / 185

2. Perform Step 2 through Step 7 of Method -1.
5.1.8.1.3. Method -3:
1. Perform Step 2 through Step 7 of Method -1.
Note:
After repairing mechanical trouble, make sure that all gear
alignments are correct, especially the Wiper Arm Unit and Drive
Rack Unit of Cassette Up Ass'y. (Refer to "
EJECTPosition
Confirmation " in DISASSEMBLY/ASSEMBLY PROCEDURES.)
5.1.8.2. Electrical Method
Electrical method can only be performed when the mechanism is moved by rotating the Loading
Gear.
CAUTION:
1. Before applying DC Power Supply, be sure to disconnect the
Motor Leads from the Connector P2503.
Otherwise, the Loading Motor Drive IC (IC2501) may be damaged.
2. If loading does not start in approx. 2 seconds after DC Power
Supply is applied, DO NOT continue to apply DC Power Supply.
Instead, perform "
Manual Method ."
1. Be sure to disconnect the Motor Leads from the Connector P2503.
2. Apply+10.0 V DC Power Supply to the Loading Motor terminals.
3. When the Loading Posts reach the fully unloaded position,
remove the Power Supply.
Fig. 7
4. Rewind the tape into the cassette by turning the Center Clutch
18