LG LFXS26973 Series Service Manual page 91

Check the PCB Output
-. Check output voltage from PCB
 To judge whether there is any issue with the PCB operation, check the PCB output voltage.
Normal: Voltage 80[V] or higher output at COMMON - POWER
Multi
Tester
A-Inverter
Cap
Cap
Multi
Tester
Common
Power
- 91 -
IPM Output check