LG OLED55C3 Series User Manual

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

LG OLED55C3 Series Specifications

General

Display Type	OLED
Screen Size	55 inches
Smart TV	Yes
Operating System	webOS
HDMI Ports	4
USB Ports	3
Refresh Rate	120Hz
Processor	α9 Gen6 AI Processor 4K
ALLM	Yes
Audio Output	40W
Resolution	3840 x 2160 (4K)
HDR	HDR10, Dolby Vision, HLG
Wi-Fi	Yes
Bluetooth	Yes (5.0)
VRR	Yes
Dimensions (W x H x D)	1228 x 706 x 46.9 mm (without stand)