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(3) Replacing the USIO PC Board
z 7R DYRLG HOHFWULF VKRFN DFFLGHQWV RU LQMXULHV WR \RXUVHOI RU RWKHU SHRSOH RU GDPDJH
to the electronic circuits, be sure to turn off the power switch before starting work.
z To avoid damaging the electronic circuits, make sure that the connector direction
is correct when connecting the connectors.
z The PC board is sensitive to static electricity. If a person handles a PC board while
charged with static electricity, the parts on the PC board may be damaged.
Before handling the PC board, discharge the static electricity from your body; for
example, by touching the surface of grounded metal.
5HPRYH WKH UHDU GRRU
'LVFRQQHFW WKH IRXU FRQQHFWRUV UHPRYH WKH USIO 3& ERDUG IURP WKH ORFNLQJ
VSDFHUV DQG UHSODFH LW
To LQVWDOO SHUIRUP WKH SURFHGXUH LQ UHYHUVH
— Must be performed by a technician —
% 6HUYLFH
65
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