LG OLED55C7P Service Manual

Screen
normal?
N
Y
Check external
device
connection
condition
Y
N
Check and
replace Link
Cable
Normal?
Y
N
Screen
normal?
Replace Main B’D
Replace
module
Check color condition by input
-External Input
-HDMI
End
Vertical/Horizontal bar, residual image, light spot
Request repair
for external
device
A. Video error
Vertical / Horizontal bar, residual image,
light spot, external device color error
External device screen error-Color error
External
Input
error
Connect other external
device and cable
(Check normal operation of
External Input, HDMI/DVI
by connecting Jig, pattern
Generator ,Set-top Box etc.
N
Y
Replace
Main B/D /
Module
Screen
normal?
Check screen
condition by input
-External Input
-AV
-HDMI/DVI
Request repair for
external device
HDMI/
DVI
Connect other external
device and cable
(Check normal operation of
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
Replace
Main B/D /
Module
Screen
normal?
N
Y
Check S/W Version
Y
N
Check
version
S/W Upgrade
Y
N
Normal
screen?
End
Y
N
Replace
Module
Screen
normal?
End
Established
date
Revised date
5/15
Error
symptom
Standard Repair Process
☞A6
☞ A7
5
☞A15
Check Test pattern
Replace Main B’D
for LGD Panel
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