Mitsubishi Heavy Industries FDT71VNXVD Service Manual page 36

2) Model FDC 125VNX, 140VNX
2) Model
a) Replace the PCB after elapsing 3 minutes from power OFF.
b) Measurement was done on both ends of connector(CNA1) during measurement, the voltage(DC) might charged
the electrolytic capacitor, be sure that the voltage is discharged sufficiently. (Refer to Fig.1)
c) Disconnect the connectors from the control PCB.
d) Disconnect the white or blue wiring passing through CT1 on the PCB before replacing the PCB.
e) Match the setting switches (SW3-5, JSW, SW(J5-7)) with the former PCB.
f) Tighten up a screw after passing white or blue wiring through CT1 of the changed.
g) Please connect the connectors with the same place. (Confirm the connectors are not half inserted.)
CNW
CNA2
CT1
CNW2
CNI3
CNI1
SW4
SW3
CNEEV2
CNEEV1
CNB
Parts Arrangement View
connectors are not half
inserted
CNH
CNM
CNF
CNS
CNN1
CNN2
CNR
CNA1
CNFAN1
JSW
CNFAN2
SW5
SW J5-7
CNPS
CNTH
CNIP
- 36 -
'10 • PAC-SM-137A
PCA012D024F
after elapsing 3 minutes
from power OFF
( )
( )
Voltage measurement parts
(Pin terminals1-2 of CNA1)
Fig.1 Enlarged figure of parts location
H