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LG 42LN5700 Service Manual

LG 42LN5700
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Contents of LCD TV Standard Repair Process
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
No. Error symptom (High category) Error symptom (Mid category) Page Remarks
1
A. Video error
No video/Normal audio 1
2 No video/No audio 2
3 Picture broken/ Freezing 3
4 Color error 4
5
Vertical/Horizontal bar, residual image, light spot,
external device color error
5
6
B. Power error
No power 6
7 Off when on, off while viewing, power auto on/off 7
8
C. Audio error
No audio/Normal video 8
9 Wrecked audio/discontinuation/noise 9
10
D. Function error
Remote control & Local switch checking 10
11 External device recognition error 11
12 E. Noise Circuit noise, mechanical noise 12
13 F. Exterior error Exterior defect 13
14 APPENDIX Power Off History
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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LG 42LN5700 Specifications

General IconGeneral
Display diagonal42 \
Native aspect ratio16:9
Native refresh rate60 Hz
LED backlighting type-
Supported video modes1080i, 1080p, 720p
Screen format adjustments4:3
Supported graphics resolutions1920 x 1080 (HD 1080)
Motion interpolation technologyTruMotion 120 Hz
3DNo
Photo effectsCinema, Vivid
Playback modesZoom
Volume controlDigital
Audio decodersDolby Digital, Dolby Digital DTS
RMS rated power20 W
Number of speakers2
HDMI ports quantity3
DVI-D ports quantity0
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component video (YPbPr/YCbCr) in1
Consumer Electronics Control (CEC)SimpLink
Smart modesCinema, Game
Lifestyle appsSkype
Audio formats supportedAAC, AC3, MP3, PCM
Video formats supportedDIVX, DIVX HD, MPEG
Control typeButtons
Product colorBlack
Panel mounting interface200 x 200 mm
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.3 W
Power consumption (typical)41.4 W
Sustainability certificatesENERGY STAR
Package depth175 mm
Package width1150 mm
Package height659.8 mm
Package weight14197 g
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)234.9 mm
Height (with stand)627.8 mm
Weight (with stand)10704 g
Depth (without stand)78.9 mm
Width (without stand)967.9 mm
Height (without stand)565.9 mm
Weight (without stand)9616 g

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