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LG 55LM640T User Manual

LG 55LM640T
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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 (24V)
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
9/13
LCD TV
Error
symptom
Standard Repair Process
A25
2010. 12 .14
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only

Table of Contents

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LG 55LM640T Specifications

General IconGeneral
3DYes
Annual energy consumption104 kWh
Display diagonal55 \
Native aspect ratio16:9
Native refresh rate60 Hz
LED backlighting type-
Screen format adjustments4:3, 14:9, 16:9, Zoom
Motion interpolation technologyMCI (Motion Clarity Index) 400
Tuner typeAnalog & digital
Analog signal format systemPAL, SECAM
Digital signal format systemDVB-T2, ISDB-C
RMS rated power20 W
Number of speakers2
DVI portNo
HDMI ports quantity4
DVI-D ports quantity0
USB 2.0 ports quantity3
Ethernet LAN (RJ-45) ports1
Lifestyle appsSkype
Audio formats supportedAC3, MP3
Image formats supportedJPG
Video formats supportedDIVX, MPEG2, MPEG4
Product colorBlack
Panel mounting interface400 x 400, 400 x 600 mm
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.3 W
Power consumption (typical)71 W
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)331 mm
Height (with stand)795 mm
Depth (without stand)33.6 mm
Width (without stand)1232 mm
Height (without stand)723 mm

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