LG OLED55C3 Series User Manual

B. Power error
Off when on, off while viewing, power auto on/off
Established
date
Revised date
Error
symptom
Standard Repair Process
8
* Please refer to the all cases which can be displayed on power off mode.
Action contents
Normal Code
Check the
Power & Power B/D
External device
External device
Normal Code
– Check the Settop Box CEC
- HDMI Setting > Check the Simplelink Menu
- Check the “TV On With Mobile” Menu
Normal Code
- Check the “Power On(Off) Timer” Menu
- Check the Input Signal ( No Signal >auto
power off after 15min
)
Normal Code
Normal Code
Need to Check SW
version(Last version) & Main B/D
Normal Code
Normal Code
– Check the Voice Recognition Settings
N/A
Check the
OLED Module ( BDP )
Check the
OLED Module ( Without BDP )
Check the
FFC Cable (T-con to Main)
Check the
Fan & Heat Plate
N/A
N/A
N/A
Normal Code
- N/A
Normal Code
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)