LG LMC1575BD Service Manual page 38

1. F-11 Inverter / SMPS PCB Check
• Check Connector pin (CN3, CN8)
Inverter : CN3 6-7 pin
LMC1575BD /00
LMC1575ST /00
LMC1575SW /00
LMC1575SB /00
※ Tester mode : Beep mode
Status
normal
Abnormal
Main : CN8 1-2 pin
5-26
Test result
Open (OL)
Short (Beep)
Example : normal (Open)
Example : abnormal (Short)