LG T8526AFPT - Page 55

54
4-9-4. PUMP MOTOR ASSEMBLY
Circuit in the MAIN PWB
R
1
2 3
4
5V
Cs
Cg
Vdc
PUMP
Rg
Vac
Rs
MICOM
10-20 (1) to (2)
ResultTest Points
10-20 (1) to (2)
ResultTest Points
(2)
(1)
(2)
(1)
(1) (2)(1) (2)
Used to drain the tub
Wiring Diagram
IC
PCB
CONNECTOR
Pump Driving circuit
Drain Pump
Drain Pump
* Each circuits of loads in wiring diagram are all same.
Wiring
diagram
Result
Test
points
Function
MAIN CONTROLLER
12 12
3
4512
3
45
6
12
3
12
3
45
6 7
12
3
4512
3
45
12
3
45
6 7
6
65
4
3
2
PUMP
1
2
3
SUB
CN8
CN6
YL2
CN8CN6
YL4
NA5
VL
/
WH
BL
BK
BN RD
BK
BN RD GN YL OR OR WH VL BL GN
BK
/WH
BL
BK
/ WH
BL
WH BN
8
8
YL5
13