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
8.3. Low voltage transformer and/or power relays (RY1, RY2)
NOTE:
Be sure to ground any static electric charge built up on your body
before handling the DPC.
(A) Using solder wick or a desoldering tool and 30W soldering iron, carefully remove all solder
from the terminal pins of the low voltage transformer and/or power relays.
NOTE:
Do not use a soldering iron or desoldering tool of more than 30
watts on DPC contacts.
(B) With all the terminal pins cleaned and separated from DPC contacts, remove the defective
transformer/power relays making sure all terminal pins are inserted completely. Resolder all
terminal contacts carefully.
16
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