Read LG F1281ND5 / F1281HD5 Service Manual online
44
9-4. PUMP MOTOR ASSEMBLY
Wiring
diagram
diagram
Circuit in the MAIN PWB
Wiring Diagram
MICOM
IC
R
5V
Rg
Cg
Vdc
Rs
Cs
PCB
CONNECTOR
PUMP
Vac
2
1
4
3
Pump Driving circuit
MAIN PWB
BL4
1 2 3
1
2
3
3 2 1
3 2 1
3 2 1
1
2
3
4
1 2 3 4
BL3
SB
BK
BN
DRAIN
PUMP
PUMP
Object
Function
Test
points
points
Result
* Each circuits of loads in wiring diagram are all same.
Two pump motors are used to drain the tub and to circulate the water / detergent solution.
Drain Pump
Drain Pump
Test Points
Result
(1) to (2)
10-20 Ω
T.P
For Drain
(1)(2)
(1)
(2)
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