LG 32LN540B Service Manual

Screen
normal?
N
Y
Check external
device
connection
condition
Y
N
Check and
replace Link
Cable
Normal?
Y
Screen
normal?
Replace
module
Check color condition by input
-External Input
-Component
-RGB
-HDMI/DVI
End
Vertical/Horizontal bar, residual image, light spot
Request repair
for external
device
A. Video error
Vertical / Horizontal bar, residual image,
light spot, external device color error
☞A10
External device screen error-Color error
External
Input
error
Connect other external
device and cable
(Check normal operation of
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
N
Y
Replace
Main B/D
Screen
normal?
Check screen
condition by input
-External Input
-Component
-RGB
-HDMI/DVI
Request repair for
external device
Component
error
RGB
error
HDMI/
DVI
Connect other external
device and cable
(Check normal operation of
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
Replace
Main B/D
Screen
normal?
N
Y
Check S/W Version
Y
N
Check
version
S/W Upgrade
Y
N
Normal
screen?
End
Y
N
Replace Main B/D
Replace
Module
Screen
normal?
End
Established
date
Revised date
6/14
LCD TV
Error
symptom
Standard Repair Process
☞A7
☞ A8/ A9
Check Test pattern
2012. 01 .14
N
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

LG 32LN540B Specifications

General

Screen shape	Flat
Response time	- ms
Display diagonal	32 \
Display brightness	- cd/m²
Display resolution	1360 x 768 pixels
Native aspect ratio	16:9
Native refresh rate	50 Hz
LED backlighting type	Direct-LED
Display diagonal (metric)	81.2 cm
Supported graphics resolutions	1360 x 768 (WXGA)
Motion interpolation technology	MCI (Motion Clarity Index) 100
3D	No
Annual energy consumption	57 kWh
Storage temperature (T-T)	-20 - 60 °C
Storage relative humidity (H-H)	0 - 85 %
Operating relative humidity (H-H)	0 - 80 %
Tuner type	Analog & digital
Analog signal format system	-
Digital signal format system	DVB-C, DVB-T
Audio system	Virtual Surround
RMS rated power	20 W
Number of speakers	2
HDMI version	1.4
DVI-D ports quantity	0
USB 2.0 ports quantity	1
Audio formats supported	AAC, AC3, HE-AAC, MP3, PCM
Image formats supported	JPG, JPS, MPO
Video formats supported	DIVX, MPEG
Product color	Black
Mercury content	0 mg
Panel mounting interface	200 x 100 mm
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	12.3 W
Power consumption (typical)	39 W
Cables included	AC
Operating temperature (T-T)	0 - 40 °C

Weight and Dimensions

Depth (with stand)	207 mm
Height (with stand)	497 mm
Weight (with stand)	6700 g
Depth (without stand)	79 mm
Width (without stand)	738 mm
Height (without stand)	437 mm
Weight (without stand)	6000 g