LG OLED55C7P Service Manual

Normal
audio
Y
N
Move to No
video/No audio
No video
Normal audio
Check Vx1 lock
voltage
0V
Y
N
Check Power
Board (Main)
20V, 12V etc.
Normal
voltage
Y
N
Replace Main Board
Repair Power
Board or parts
Check Power Board (Module) 24V output
Normal
voltage
Y
Replace module
N
Repair Power
Board or parts
End
Always check & record S/W Version and White
Balance value before replacing the Main Board
Replace Main Board
Re-enter White Balance value
※Precaution
Established
date
Standard Repair Process
Revised date
1/15
Error
symptom
A. Video error
No video/ Normal audio
☞A9
☞A9
☞A4 & A2
First of all, Check whether all of cables between board is inserted properly or not.
(Main B/D↔ Power B/D, Vx1 Cable, Speaker Cable, IR B/D Cable,,,)
1
☞A1
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only for training and service purposes.

LG OLED55C7P Specifications

General

Screen Type	oled
Wall Mount	300mm x 200mm
Features	blade slim design, oled, pixel level dimming, perfect black, infinite contrast, billion rich colors, true color accuracy
Tuner	digital
Screen Size	54.6 inches, 55 inches
Resolution	4k (2160p)
Refresh Rate	60hz
Closed Captioning	yes
HDR	yes
HDR Format	dolby vision, hdr 10
Built-In Speakers	yes
Surround Sound	dts-hd, dolby atmos
Speakers Output	40 watts
HDMI Ports	4
HDMI 2.1 Ports	0
HDMI ARC Ports	yes
USB Ports	3
Ethernet	yes
RF Antenna	yes
Bluetooth	yes
Network	built-in wi-fi, ethernet
Digital Optical Audio Outputs	1
Component Video Inputs	1
Composite Video Inputs	1
DVI	0
SmartTV	webos
Streaming Services	hulu, netflix, vudu, youtube
Voice Assistant	google assistant
Remote Control	magic
3D	no
Power Consumption	179 kilowatt hours
Depth with Stand	8.5 inches
Height with Stand	29.5 inches
Width with Stand	48.4 inches
Net Weight with Stand	42.3 pounds
Depth without Stand	1.8 inches
Height without Stand	28 inches
Net Weight without Stand	38.1 pounds