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Inlet Valve Assembly - LG WM2901H*A Series Service Manual

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9-5. INLET VALVE ASSEMBLY

Wiring
diagram
Depending on the cycle and water temperature, the controller will energize the hot or cold
Function
water valve solenoids to meet the selected water temperature.
Test
After pull out the connector of defective valve, check the resistance.
points
and
Result
Circuit in the MAIN PWB
MICOM
Inlet valve driving circuit
Wiring Diagram
1
2
3
1
2
3
WH
NA
1
2
MAIN
WASH
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(2)
(2)
(2)
Rg
Cg
IC
CONNECTOR
MIAN PWB
BL3
4
NA4
3
2
1
4
3
2
1
COMMON
VT
(BK)
RD
BL
1
2
1
2
AG
PRE
VALVE
WASH
INLET VALVE
* Each circuits of loads in wiring diagram are all same.
46
Vdc
Rs
Cs
PCB
INLET
VALVE
NA2
1
2
3
4
1
2
3
4
GY YL
BL
BL
RD
1
2
1
2
HOT
BLEACH
VALVE
(2)
(2)
(1)
(1)
(2)
(2)
Test points
(1)
(1)
Result
Vac
(1)-(2)
0.8-1.2 kΩ

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