LG OLED48C3 Series Service Manual page 33

Standard Repair Process
Error
symptom
* Please refer to the all cases which can be displayed on power off mode.
External device
B. Power error
Off when on, off while viewing, power auto on/off
External device
Established
date
Revised date
Normal Code
Check the Power & Power B/D
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
8
Action contents
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