Panasonic NN-H264SFR, Service Manual

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before handling the DPC.
1. Disconnect all connectors from D.P.C.
2. Remove 2 screws holding escutcheon base and slide the escutcheon
base upward slightly.
3. Release CN6 connector's lock of D.P.C by pushing both levels to
inside and pull them upward, and remove flat cable of membrane
keyboard.
4. Remove 3 screws holding D.P.C.
To replace membrane key board
5. Push the upper part of key board (display window portion) from back
of escutcheon base and peel off escutcheon sheet and membrane key
board completely from escutcheon base.
NOTE:
1. The membrane key board is attached to the escutcheon base with
double faced adhesive tape. Therefore, applying hot air such as using a
hair dryer is recommended for smoother removal. / 2. When installing
new membrane key board, make sure that the surface of escutcheon
base is cleaned sufficiently so that any problems (shorted contacts or
uneven surface) can be avoided. / 3. Alignment position of membrane
key board is as follows; / Membrane key board: Right and upper edges /
Escutcheon sheet: Right and upper edges
9.3. Low voltage transformer and/or power relays (RY1, RY2)
NOTE:
Be sure to ground any static electric charge built up on your body
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