Haier HL55XZK22 Service Manual page 16

Speaker power connector (CON2)
Pin number Signal name
1 24V
2 24V
3 GND
4 GND
Speaker Connector (CON1)
Pin number Signal name
1 L+
2 L-
3 R-
4 R+
Other connectors:
CNB2 to Upgrade the program of MTK5380L (U13) AND FLASH (U17)
Service Manual
Model No.: HL55XZK22a
15