LG OLED48C3 Series Service Manual page 42

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
1 A. Video error_ No video/Normal audio
2
A. Video error_ video error /Video
lag/stop
3
4
A. Video error _Vertical/Horizontal bar,
5
residual image, light spot
6 A. Video error_ Color error
<Appendix>
7
Defected Type caused by T-Con/
Inverter/ Module
Content
Check Vx1 lock
TUNER input signal strength checking
method
Version checking method
Tuner Checking Part
Connection diagram
Check Link Cable (Vx1/EPI) reconnection
condition
Check Cable (1) ~ (2)
Exchange Main Board (1) ~ (3)
Exchange Module (1) ~ (3)
Exchange T-Con (1) ~ (2)
Exchange Power Board(PSU)
Page Remarks
A1
A3
A4
A5
A6
A7
A-1/11
A-2/11
A-3/11 ~ A-5/11
A-6/11 ~ A-8/11
A-9/11 ~ A-10/11
A-11/11
Continue to the next page
Copyright © 2023 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.