LG 55LM640T User Manual

Contents of LCD TV Standard Repair Process Detail Technical Manual
No. Error symptom Content Page Remarks
21
B. Power error_No power
Check front display LED A17
22 Check power input Voltage & ST-BY 5V A18
23 Checking method when power is ON A19
24 POWER BOARD voltage measuring method A4
25
26
B. Power error_Off when on, off while
viewing
POWER OFF MODE checking method A22
27
B. Power error_Off when on, off while
viewing
POWER BOARD PIN voltage checking method A19
28
C. Audio error_No audio/Normal video
Checking method in menu when there is no
audio
A24
29
Voltage and speaker checking method when
there is no audio
A25
30
C. Audio error_Wrecked
audio/discontinuation
Voltage and speaker checking method in
case of audio error
A25
31
D. Function error_ No response in
remote controller, key error
Remote controller operation checking method A27
32 D. VCOM Adjustment Sequence of the Vcom adjustment A28
Continued from previous page
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