LG WM3988H*A Service Manual page 50

9-8. STEAM GENERATOR ASSEMBLY
Wiring
Steam generator Water level sensor
diagram
circuit in the MAIN PWB / wiring diagram
MAIN PWB
Heater & Thermistor : Refer to the 9-6 / 9-7
Original
WATER LEVEL SENSOR
1. Steam generator
Test
points
1) Construction of steam generator
Inlet valve that controls supplying water, Water level sensor that sense amount
of water supply, Thermistor ASSEMBLY the sense inner temperature of Steam
generator, Heater ASSEMBLY that heats water supply, Steam generator CASE
that is container of water supply, nozzle and hose of water supply.
5V
IC 2
Input A
PHOTO
(long)
COUPLER
MICOM
Input B
(short)
DC5V
IC 1
THERMISTOR
ASSEMBLY
49
YL2
PK
VI
WH
1 2 3
NA
1 2 3
GND L S
AG
SENSOR
HEATER
ASSEMBLY