Mainboard; Function Description; Connector Definition - Haier UL50H65 Service Manual

Service Manual
Model No.: UL50H65

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 Interface
CN7
Pin number
5V
1
2 RED
3 GRE
4 IR
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 CN5
Pin number Signal name
12V
1
12V
2
BLO
3
ADJ
4
GND
5
GND
6
Speaker connector CN18
Pin number Signal name
LOUT+
1
2 LOUT-
3 ROUT-
4 ROUT+