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LGE Internal Use Only
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LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6. HDMI Video Trouble Shooting guide
Check JK3202/JK3203
Can you see the normal waveform?
Check HDCP key on INSTART Menu
Check the input of LG1311 (IC101).
Measure waveform at AR3200, AR3202 because it’s more
easy to check.
Can you see the normal waveform?
This board has big problem because Main chip(LG1311,
IC101) have some troubles.
After checking thoroughly all path once again, You should
decide to replace Main IC or not.
Check input signal format.
Is it supported?
Check AC cable for damage
For damage or open conductor
Replace JK3202, JK3203
Re-download HDCP Key
NO
NO
YES
YES
YES
YES
YES
Содержание 49LX761H
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