Panasonic MC-E780 Service Manual page 16

REPLACEMENT OF MAIN PARTS
3. Replace the potentiometer with a new one and connect the
lead wires (blue and grey) to the potentiometer tabs.
4. Reinstall the potentiometer in its support and reassemble
the remaining parts in the reverse order. (Fig. 18)
•
CORD REEL UNIT / POWER CORD
(1) Cord reel unit.
1. Remove upper body and cord reel ass'y as explained
previously in paragraph (1) "Motor", points 1-4.
2. Before removing the screw that fix the cord reel unit and
cord reel support unwind the power cord to release the cord
reel spring efficiency. Them remove the screw .(Fig. 19)
3. Separate cord reel unit and cord reel support. (Fig. 20)
4. Replace the cord reel unit with a new one.
5. Reassemble cord reel unit
refasten the screw.
NOTE: Wind up the power cord extra times as indicated on
the spring plate to maintain the cord reel spring efficiency.
6. Connect the lead wires according to the schematic diagram
and place the cord reel ass'y into place. Then reassemble
the remaining parts in the reverse order.
and cord reel support and
Cord reel ass'y
Cord reel unit
16
Fig. 18
Fig. 19
Cord reel support
Screw
Fig. 20