LG HBLG1803R Service Manual page 24

Schematic Diagram
24 Room Air Conditioner
SEG-d
TEST SEG-e
/Reset SEG-f
in Osc SEG-g
out Osc VDD
VSS SW SLIDE
VAref KEY0
TH Room KEY1
TH Pipe out0 LED
Option1 out1 LED
Option2 out2 LED