Panasonic Omnivision PV-9661 Service Manual page 404

Fig. 6-2
3. Remove the tape from the tape path.
4. Rewind the tape into the cassette by rotating the Center
Clutch Unit counterclockwise.
5. Unhook Spring (A) of the Drive Rack Unit.
6. Remove Screw (A).
7. Lift the Drive Rack Unit up so that the slot clears the guide
tab. While pulling the Drive Rack Unit out far enough so that
it clears the Drive Rack Arm, slide the Drive Rack Unit as
indicated by the arrow to remove the cassette tape from the
Cassette Up Ass'y.
8. Check the cause of mechanical trouble and repair.
4.1.7.1.2. Method -2:
1. Rotate Main Cam Gear clockwise with needlenose pliers,
etc. so that the Pinch Roller is separated from the shaft of
the Capstan Rotor Unit.
2. Perform Step 3 through Step 8 of Method -1.
4.1.7.1.3. Method -3:
1. Perform Step 3 through Step 8 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 "EJECT
Position Confirmation"
Procedures of Mechanism.)
4.1.7.2. Electrical Method
Electrical method can only be performed when the mechanism
is moved by rotating the Main Cam Gear.
CAUTION:
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. Remove the solder as shown and apply +10.0 VDC Power
Supply (DC + to Portion "a," DC - to Portion "c").
2. When the Loading Posts reach the fully unloaded position,
remove the Power Supply.
15
PV-9661 / PV-9662
Fig. 6-3
in Disassembly/Assembly