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LG OLED55C7P Service Manual

LG OLED55C7P
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→ abnormal audio/discontinuation/noise is same after “Check input signal” compared to No audio
C. Audio error
Wrecked audio/ discontinuation/noise
Wrecked audio/
Discontinuation/
Noise for
all audio
Check and replace
speaker and
connector
Wrecked audio/
Discontinuation/
Noise only
for D-TV
Wrecked audio/
Discontinuation/
Noise only
for Analog
Wrecked audio/
Discontinuation/
Noise only
for External Input
Connect and check
other external
device
N
Y
Normal
audio?
Check and fix external device
Replace Power B/D
N
Y
Normal
voltage?
Check input
signal
-RF
-External Input
signal
Signal
normal?
(When RF signal is not
received)
Request repair to external
cable/ANT provider
Y
Check audio
B+ Voltage (20V)
Replace Main B/D
(In case of
External Input
signal error)
Check and fix
external device
Replace Main B/D
N
End
Established
date
Revised date
9/15
Error
symptom
Standard Repair Process
9
☞A12+A9
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only for training and service purposes.

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LG OLED55C7P Specifications

General IconGeneral
Screen Typeoled
Wall Mount300mm x 200mm
Featuresblade slim design, oled, pixel level dimming, perfect black, infinite contrast, billion rich colors, true color accuracy
Tunerdigital
Screen Size54.6 inches, 55 inches
Resolution4k (2160p)
Refresh Rate60hz
Closed Captioningyes
HDRyes
HDR Formatdolby vision, hdr 10
Built-In Speakersyes
Surround Sounddts-hd, dolby atmos
Speakers Output40 watts
HDMI Ports4
HDMI 2.1 Ports0
HDMI ARC Portsyes
USB Ports3
Ethernetyes
RF Antennayes
Bluetoothyes
Networkbuilt-in wi-fi, ethernet
Digital Optical Audio Outputs1
Component Video Inputs1
Composite Video Inputs1
DVI0
SmartTVwebos
Streaming Serviceshulu, netflix, vudu, youtube
Voice Assistantgoogle assistant
Remote Controlmagic
3Dno
Power Consumption179 kilowatt hours
Depth with Stand8.5 inches
Height with Stand29.5 inches
Width with Stand48.4 inches
Net Weight with Stand42.3 pounds
Depth without Stand1.8 inches
Height without Stand28 inches
Net Weight without Stand38.1 pounds

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