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42PT250B
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Contents
Table of Contents
Troubleshooting
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Copyright ©2011 LG Electronics Inc. All rights reserved.
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LGE Internal Use Only
Only for training and service purposes
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Table of Contents
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Trouble Shooting Guide for Lg Service Man
33
Table of Contents
Troubleshooting
no osd trouble shooting
36
digital tv video trouble shooting
40
analog tv video trouble shooting
42
component video trouble shooting
44
rgb video trouble shooting
46
av video trouble shooting
48
hdmi video trouble shooting
50
all source audio trouble shooting
52
digital tv audio trouble shooting
54
analog tv audio trouble shooting
56
component / rgb / av audio trouble shooting
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hdmi audio trouble shooting
60
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