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4-6-2.
SY-422A Board
Preparation
1.
Refer to
"4-2. Flow
Chart".
Procedure
1.
Remove the five screws.
2.
Remove the CPU/RC assembly from the connector (CN3702) on the SY-422A board.
PSW2.6 x 6
3.
Remove the screw (P3 x 4) and two lock screws.
4.
Remove the two screws (PSW3 x 6).
5.
Remove the four screws (PSW2.6 x 6) to detach the SY-422A board.
PSW3 x 6
SY-422A board
lock screws
6.
Install the removed parts by reversing the steps of removal.
PWS-4400
P3 x 4
PSW2.6 x 6
CPU/RC assembly
CN3702
SY-422A board
PSW2.6 x 6
PSW2.6 x 6
4-24
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