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1-5-2. MA-140 Board
n
When replacing the MA-140 board, the adjustment and the fi rmware version upgrade are required.
Before replacement, be sure to refer to "Operation during Replacement of Parts" in Section 2-1, and
Section 2-5.
1. Remove the top panel (C2) assembly. (Refer to Section 1-4-1.)
2. Remove the rear panel (C1) assembly. (Refer to Section 1-4-3.)
3. Remove the screw (PS3 x 4).
4. Disconnect all harnesses and fl exible fl at cables from
the connectors on the MA-140 board.
5. Remove the three screws (BVTT3 x 6), then remove
the MA-140 board.
6. To install, reverse the removal procedure.
1-8 (E)
MA-140 board (Side A)
CN600
CN603
CN301 CN601
Flexible flat
cables
MA-140 board
Flexible flat
cable
Harness
BVTT3 x 6
PS3 x 4
UP-CX2
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