LG 65LX570H Service Manual page 21
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Also See for 65LX570H:
- Commercial mode setup manual (71 pages) ,
- Owner's manual (44 pages)
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6. HDMI Video Trouble Shooting guide
Check input signal format.
Is it supported?
Y
Check AC cable for damage
For damage or open conductor
Y
Check JK800/JK801/JK802
Can you see the normal waveform?
Y
Check HDMI Switch IC Power
Check L800(3.3V, Not stand-by mode)
Y
Swap HDMI Switch IC,
is there same Problem?
Y
This board has big problem because Main chip (Mstar) have some troubles.
After checking thoroughly all path once again, You should decide to replace Mstar or not.
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LG Electronics. Inc. All rights reserved.
Only for training and service purposes
N
JK800/JK801/JK802 may have problem. Replace this Jack.
N
Replace L800
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LGE Internal Use Only
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