Panasonic MC-E780 Service Manual page 15

REPLACEMENT OF MAIN PARTS
3. Remove power control circuit from its fastening points and
disconnect the lead wires from the power control circuit.
(Fig. 15)
4. Replace power control circuit with a new one and connect
the lead wires according to the schematic diagram.
5. Reinstall power control circuit in its holding points.
6. Place motor unit and cord reel ass'y into the lower body and
reassemble the remaining parts in the reverse order.
(2) ON/OFF Switch
1. Remove upper body as explained previously in paragraph
(1) "Motor", points 1-3.
2. Take out cord reel ass'y and motor unit.
3. Release power control circuit from its fastening points.
4. Remove ON/OFF switch from the power control circuit and
replace with a new one. (Fig. 16)
5. Place power control circuit in its fastening points.
6. Reinstall motor unit and cord reel ass'y into lower body
connect according to the shematic diagram and
reassemble the remaining parts in the reverse order.
(3) Sliding Potentiometer
1. Remove upper body as explained previously in paragraph
(1) "Motor", points 1-3.
2. Take out the sliding potentiometer from its support and
remove lead wires (blue and grey) from the potentiometer
tabs. (Fig. 17)
NOTE: Observe the correct position of the lead wires
before installing the new one.
Grey lead wire
15
Fastening points
Fig. 15
ON/OFF
Switch
Power
control
circuit
Fig. 16
Sliding potentiometer
Blue lead wire
Fig. 17