44
9-4. PUMP MOTOR ASSEMBLY
Circuit
diagram
Circuit in the MAIN PWB Circuit diagram
MICOM
IC
R
5V
Rg
Cg
Vdc
Rs
Cs
PCB
CONNECTOR
PUMP
Vac
2
14
3
Pump Driving circuit
MAIN PWB
BL4
123 123
321
321
123
4
1234
BL3
SB
SB
SB
BKBN
BN
DRAIN
PUMP
CIRCULATION
PUMP
BK
Object
Function
Test
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 Circulation Pump
Circulation Pump
Test Points Result
(1) to (2) 10-20 Ω
Test Points Result
(1) to (2) 18-30 Ω
For Drain For Circulation
(1)(2)
(2)
(1)
(1) (2)
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