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9-4.Pump Motor Assembly - LG F14A8TDSA Series Service Manual

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-4. PUMP MOTOR ASSEMBLY
iring
diagram
MICOM
Pump Driving circuit
Object
Function
Two pump motors are used to drain the tub and to circulate the water / detergent solution.
Test
points
Result
Circuit in the MAIN P B
5V
1
4
R
2
3
IC
For Drain
Drain Pump
(1)(2)
Drain Pump
Test Points
(1) to (2)
Vdc
Rg Cg
Rs
Cs
PCB
CONNECTOR
PUMP
* Each circuits of loads in wiring diagram are all same.
T.P
(1)
Result
10-20
46
iring Diagram
MAIN P B
BL4
1 2 3
4
1 2 3 4
BN
3 2 1
SB
Vac
3 2 1
DRAIN
PUMP
(2)
BL3
1 2 3
1 2 3
BK

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