Panasonic PVQ-1312W Service Manual page 19

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
Confirmation"in DISASSEMBLY/ASSEMBLY PROCEDURES.)
5.1.10.2. 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 cut the Motor Leads
with a cutter, etc.
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 cut the Motor Leads with a cutter, etc.
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.
4. Rewind the tape into the cassette by turning the Center Clutch Unit
counterclockwise.
5. Eject the cassette by applying +10.0 V DC Power Supply again.
"EJECT Position
Fig. 8
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