LG 32LG710H Service Manual page 50

HDMI Video Trouble shooting guide
Check input connect JK201,JK202
Can you see the normal waveform?
YES
Check HDCP communication lines(IC100)
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Only for training and service purposes
NO
JK201,JK202 may have problem. Replace this Jack.
NO
After checking the Power of this chip, you should decide to replace this or not.
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