LG 43UJ67V Series Service Manual page 87

`16Y OLED(B6) Power Board Diagnostic method
1
▶ Connect the 24Pin Power Cable connector
to the Multi gender JIG 24Pin connector.
3
▶ When the OK LED(24V,12V) turns on, Power Board is normal.
▶ When the NG LED turns on, the Power Board
can be judged as defective.
2
▶ Switch the LCD MODEL S/W to
the power voltage.
▶ Fix the LCD MODEL switch to 24V.(Smart JIG)
A 28 (8/19)
by checking
24V
Copyright © 2017 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.