LG 55LM640T User Manual

Check
location of
noise
Identify
nose type
Circuit
noise
Replace PSU(with LED driver)
Replace LED driver
Mechanical
noise
Check location of
noise
OR
※ When the nose is severe, replace the module
(For models with fix information, upgrade the S/W or
provide the description)
※ If there is a “Tak Tak” noise from the cabinet,
refer to the KMS fix information and then proceed
as shown in the solution manual
(For models without any fix information, provide
the description)
OR
※ Mechanical noise is a natural
phenomenon, and apply the 1st level
description. When the customer does not
agree, apply the process by stage.
※ Describe the basis of the description in
“Part related to nose” in the Owner’s Manual.
E. Noise
Circuit noise, mechanical noise
Established
date
Revised date
12/13
LCD TV
Error
symptom
Standard Repair Process
2010. 12 .14
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only

LG 55LM640T Specifications

General

3D	Yes
Annual energy consumption	104 kWh
Display diagonal	55 \
Native aspect ratio	16:9
Native refresh rate	60 Hz
LED backlighting type	-
Screen format adjustments	4:3, 14:9, 16:9, Zoom
Motion interpolation technology	MCI (Motion Clarity Index) 400
Tuner type	Analog & digital
Analog signal format system	PAL, SECAM
Digital signal format system	DVB-T2, ISDB-C
RMS rated power	20 W
Number of speakers	2
DVI port	No
HDMI ports quantity	4
DVI-D ports quantity	0
USB 2.0 ports quantity	3
Ethernet LAN (RJ-45) ports	1
Lifestyle apps	Skype
Audio formats supported	AC3, MP3
Image formats supported	JPG
Video formats supported	DIVX, MPEG2, MPEG4
Product color	Black
Panel mounting interface	400 x 400, 400 x 600 mm
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	71 W

Weight 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