Mitsubishi Electric JT-MC206GS-W-E User Manual page 17

(4) Switch (power) and power circuit board (JT-33P)
1 Remove the panel (assembly).→ See (2) 1 to 3.
2 Unscrew the clamping screw for the terminal block (TB) cover.
(One PT screw 4 x 8, indicated by )
3 Disconnect the lead connectors from the terminal block.
4 Unscrew the clamping screw for the circuit board (PCB) cover.
(One PT screw 4 x 8, indicated by )
Assembly precaution
Set the entire bends of the PCB cover outside the PCB case.
5 Disconnect the lead wires from the power circuit board (JT-33P).
6 Unscrew the switch clamping screw.
(One PPT screw 3 x 8, indicated by )
7 Remove the switch.
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TB cover
Connector
Terminal block
PCB cover
Power circuit board (JT-33P)
Switch
PCB case