4-14 Option Board Installation
4. Reassemble the option board to the front cover assembly.
5. Insert the jumper flex circuit into the connector on the option board. Notice the orientation of
the flex circuit. Arrows on the jumper flex point to the correct way of inserting the flex into the
connector.
6. Replace the retainer by placing the two top hooks into the slots below the speaker in the front
cover; then, pivot the retainer into the front cover. Ensure that all four tab arms snap correctly
into the front cover.
7. With the keypad option board and retainer correctly in place, the front cover assembly can
now be reassembled as described in Service Manual.
Figure 4-12 Changing the Keypad/Option Board
TO KP
Jumper Flex
Retainer
Keypad/Option Board
Wire
Assembly
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