LG OLED48C3 Series User Manual

Established
date
Standard Repair Process Detail Technical Manual
Revised
date
A9
Error
symptom
Content
Check power input voltage and ST-BY 7.8V
B. Power error _No power
Power Check Sequence
1. AC input Check : 100~240Vac
2. PWR-ON Check : P201
- SET On : above 3V
- SET St-by : 0V
3. 12V Level Check : P201
- SET On : 12V
- SET St-by : 7.8V (swing between 7V to 10V)
4. DRV_ON Check : P201
- SET On : above 2.5V
- SET St-by : 0V
5. T-CON 22V Check : P251
- SET On : above 22V
- SET St-by : 0V
6. T-CON 12V Check : P202
- SET On : above 12V
- SET St-by : 0V
All condition meets, Power Board OK.
SET
Model
Power P/N, Name
OLED48C3
EAY65768829, LGP48C3-23OP
DC 12VM Line Check (ST-
BY : 7.8V, Normal : 12V)
AC INPUT
P201
P251
P252
A9
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Only for training and service purposes.

LG OLED48C3 Series Specifications

General

Screen Size	48 inches
Display Type	OLED
HDR	HDR10, Dolby Vision, HLG
Refresh Rate	120Hz
Smart TV Platform	webOS
HDMI Ports	4 (HDMI 2.1)
Audio	Dolby Atmos
Voice Assistant	Google Assistant, Amazon Alexa
Processor	α9 Gen6 AI Processor 4K
USB Ports	3
Ethernet	Yes
Speaker System	2.2 Channel
Resolution	3840 x 2160 (4K)
Bluetooth	5.0
Wi-Fi	Yes (802.11ac)
Weight	32.6 lbs (without stand)
Dimensions (W x H x D)	42.2 x 24.6 x 1.8 inches (without stand), 42.2 x 26 x 9.3 inches (with stand)