LG 55LM640T User Manual

Checking order
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.3V on the terminal 6.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog
Tester needle moves slowly, and defective when it does not move at all.
Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error_ No response in remote controller,
key error
<ALL MODELS>
A27
Established
date
Revised
date
Error
symptom
Content
LCD TV
P4102
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
St 3.5V
7 GND
8 RED_LED
9 IR
10 GND
①
②
③
④
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