LG Multi-Inverter Service Manual page 81

4. Trouble Shooting
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< Inverter PCB>
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Vdc
GND GND GND
<DC Link Voltage Check Point>
Vdc
DC_LINK DC_LINK DC_LINK
<DC_LINK Sensing Check Point>
- 80 -
N N
<Connection Check Point>
GND
LGE Internal Use Only
L L