Mitsubishi HMA100V Technical Manual page 196

FDCW100VNX
Inverter PCB (PWB2)
1. Loosen 7 screws and remove
the control PCB layer.
Note: Be sure to do this
work after elapsing
3 minutes from
power OFF.
2. Disconnect the connectors
of CNI2, CNI4 and CNACT1
3. Loosen 9 screws and
disconnect the cables
4. Loosen 2 screws and pinch
the heads of 9 locking
supports and then remove
inverter PCB
1 screw
Control PCB layer
CNI2,
CNI4
2 screws
- 195 -
Component replacement
6 screws
9 screws
P1
N1
P3
U V W
To the compressor
9 supports
'10 • HM-T-149
Service
P2
N2
N3
CNACT1
Silicone
Power transistor