Circuit Board - Panasonic NE-2156 Service Manual

as shown.
9.2. Replacement of power supply

circuit board

NOTE:
Be sure to ground any static electric charge built up on
your body, before handling the power supply P.C.B.
and D.P.C..
1. Disconnect all lead wires from power supply circuit board.
2. Remove the power supply P.C.B. together with its mounting
bracket by first removing the 2 bracket holding screws.
3. The power supply P.C.B. can be separated from mounting
bracket by removing the 2 L.V.T. holding screws and
unfastening the plastic clips.
9.3. Replacement of digital
programmer circuit board
1. Remove grounding screw for membrane switch and D.P.C.
ground.
2. Remove 3 screws holding control panel assembly to detach
it from main unit then remove connectors.
3. Remove 2 screws holding the D.P.C. board and while
pushing back on 2 plastic holding clips, remove the board.
NOTE:
Please use care in handling the power supply P.C.B.
and D.P.C. board to avoid damage.
9.4. Replacement of upper antenna
The upper and lower rotating antennas are different type and are not
interchangeable each other. Care should be taken not to reverse the
top and bottom antennas.
17
NE-2156 / NE-2146 / NE-1656
CAUTION