Replacing The Keys Control Board/ Lcd Control Board - TSC Alpha-4L Service Manual

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3.3 Replacing the Keys Control Board/ LCD Control Board

1. Refer to section 3.2 to remove the upper cover.

Disconnect the cables from the main board.

Note:

For the flat cable (LCD control board), please loosen the connector lock (brown) then disconnect

the cable.

Keys control board cable

2. Remove 4 screws on the keys control board/ LCD control board and disconnect the

peel-off sensor connector by loosen the connector lock (brown).

Keys control board

3. Replace the keys control board/ LCD control board assembly.

4. Reassemble the parts in the reverse procedures.

LCD control board cable

LCD control board

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