LG LSC27990TT Service Manual page 25

EXPLANATION FOR MICOM CIRCUIT
1-5. Dispenser operation circuit
(1) GR-G277STSA(LSC27990TT)
1) Check load driving status
Type of Load
Measuring part
ON
Status
OFF
2) Lever Switch sensing circuit
Measuring part
Lever S/W
On
OFF
GEARED SOLENOID
MOTOR CUBE
IC7-15 IC7-14
5 V
0 V
WATER VALVE
WATER
IC7-13
Within 1 V
12 V
IC1(Micom) (No. 16)
5V
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PILOT
SOLENOID
DISPENSER
VALVE
IC7-12 IC7-11
(60 Hz)