Mitsubishi SRK100VNXWPZSX, Service Manual

Page: 70 / 202

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69
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'20 • PAC-SM-351
(i) Models FDC100VNX-W, 125VNX-W, 140VNX-W
2) Model FDC100VSX-W, 125VSX-W, 140VSX-W
1) Replace the PCB
after elapsing 3 minutes from power OFF
.
(
Be sure to measure voltage (DC)
on both capacitor terminals located in control
back, and
check that the voltage is discharged sufficiently
.)
2) Disconnect the connectors from the control PCB.
3) Disconnect the white wiring passing through CT1 on the PCB before replacing the PCB.
4) Match the setting switches (SW3-5, JSW) with the former PCB.
5) Tighten up a screw after passing white wiring through CT1 of the changed.
6) Connect the connectors with the control PCB referring to the parts arrangement of Fig.1.
(Confirm the
connectors are not half inserted
.)
PCA012D043
C
After elapsing 3 minutes
from power OFF
Connectors are not half
inserted
Parts arrangement view
CNA2
CNIP
CNTH
CNPS
CNI1
CNI3
CNA1
CNFAN1
CNEEV2
CNEEV1
CNS
CNR
CNH
CNW
CNW2
JSW
SW5
SW4
SW3
CNB
CT1
ＰＣ
Ａ５０５Ａ１８７
SW
（
J5-7
）
LED2
LED1
CNF
CNN1
CNM
CNN2
Fig.1 Enlarged figure of parts location
CNFAN2
Voltage measurement parts
(Pin terminals 1-2 of CNA1)
(
－
)
(
＋
)
PCA012D043
C