Haier HL22KN1 Service Manual page 9

Process signal which incept from exterior equipment，then translate into signal that panel can display.
3.2.2 Connector definition
Main board connector
LCDS Connector (CN2)
Signal
Pin number name
1 LCD-VDD
2 LCD-VDD
3 LCD-VDD
4 GND
5 GND
Description
Supply voltage to Panel
Supply voltage to Panel
Supply voltage to Panel
Ground
Ground
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