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LG 55LM640T User Manual

LG 55LM640T
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Standard Repair Process Detail Technical Manual
Checking method when power is ON
B. Power error _No power
A19
Established
date
Revised
date
Error
symptom
Content
LCD TV
Check “power on” pin is high
2010. 12 .14
24 Pin
(Power Board Main Board)
SMAW200-H24S (YEONHO)
1
Power on
2
24V
3
24V
4
24V
5
GND
6
GND
7
GND
8
GND
9
3.5V
10
3.5V
11
3.5V
12
3.5V
13 GND 14
GND
15 GND 16
GND
17 12V 18
Inverter On/off
19 12V 20
Lamp : A-Dim
LED : N.C
21 12V 22
PWM Dim #1
23 GND/P_DIM2
Lamp SCANNING Model
: PWM Dim #2
24 Error-out
Edge LED
Edge LED
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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