Mainboard; Function Description; Connector Definition - Haier LE22S600 Service Manual

Service Manual
Model No.: LE22S600

4-2. Mainboard

4-2-1. Function Description

Process signal which incept from exterior equipment then translate into signal that panel can
display.
4-2-2. Connector definition
IR & Key connector
CN7
Pin number
5V
1
2 IR
3 RED
4 GRE
5 GND
6 K0
7 K1
8 K2
9 K3
10 K4
11 K5
12 K6
13 K7
14 GND
14
Signal name
Inverter connector CN3
Pin number Signal name
12V
1
12V
2
BLO
3
ADJ
4
GND
5
GND
6
Speaker connector CNA1
Pin number Signal name
LO
1
2 GND
3 GND
4 RO