LG 32LF7300 Service Manual page 27

(6) In case of becomes unusual display from HDMI mode
Is normal the
TDA9996(U15)?
Yes
Same as Block A
(7) In case of becomes unusual display from SCART1 mode
Is Video input of A/V Jack
normal?(JP14)
Yes
Same as Block A
(8) In case of becomes unusual display from SCART2 mode
Is Video input of A/V Jack
normal?(JP15)
Yes
Same as Block A
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Only for training and service purposes
No
Check the input source.
(Is normal the Input voltage, I2C
Communication and HV sync?)
No
Check the input source.
No
Check the input source.
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Replace IC or Main
Board.
LGE Internal Use Only