Mitsubishi Heavy Industries V Multi FDC71VNX Technical Manual page 152

2) Exchange
a) Match the setting of new main PCB switches (JSW1, SW3-7) with former main PCB. (Refer to Fig.4)
b) Tum over the separator of new heat conduction sheet and paste the heat conduction sheet on the aluminum
block. (Refer to Fig.5)
3) Installation
a) Install the new main PCB on the control and tighten the screw as shown in Fig.6.
b) After the new Main PCB is installed on the control, reconnect the connectors, faston terminals, and round
terminals to the main PCB as before. (Refer to Fig.2)
(Confirm that the connectors are not half inserted.)
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