LG OLED48C3 Series User Manual

Appendix. How to check for OLED TV module defects
Appendix. 1 / 1
[Models launched before 2025]
Power B/D Main B/D
T-Con
JIG
1. Disassemble the back cover to disconnect the Main B/D
2. Check if the test pattern is working on the screen
3. If the pattern appears, it means the Main B/D is defective (need to replace it)
4. If the pattern doesn’t appear, (keep showing no screen),
it means the Module is defective(need to replace it)
OLED TV
A jig for sending test patterns
//
Parts connecting Cable
※ SVC Part P/No : RAD33749101
[Connecting the power cable, T-Con FFC cable to the Jig]
Connect the powerboard-mainboard cable with
the powerboard-JIG
Connect the T-Con ~ motherboard
FFC cable to the Jig
R.G.B pattern operation
Series Size Model Name V17 V18 V19 V20 V21 V22 V23
A
48 OLED48A* O O O
55 OLED55A* O O O
65 OLED65A* O O O
77 OLED77A* O O O
B
55 OLED55B* O O O O O O O
65 OLED65B* O O O O O O O
77 OLED77B* O O O O O
C
42 OLED42C* O O
48 OLED48C* O O O O
55 OLED55C* O O O O O O O
65 OLED65C* O O O O O O O
77 OLED77C* O O O O O O
83 OLED83C* O O O
E
55 OLED55E* O O O
65 OLED65E* O O O
G
55 OLED55G* O O O O
65 OLED65G* O O O O O O O
77 OLED77G* O O O O O O
83 OLED83G* O O
97 OLED97G* O
W
65 OLED65W* O O O
77 OLED77W* O O O
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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)