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LC-52LE920UN/LC-60LE920UN
I .o video 13) I
I No video at UHFNHF broadcast si_lnal reception I
I Is the specified TV signal selected on the input select menu screen?
I No video at di_lital broadcast si_lnal reception I
I
Is there the analog video signal output (VIDEO) at pin (15) of tuner
(TUl102)?
Are there the video signal outputs (IF_P/N) at the pins (9) and (10) of
tuner (TUl102)?
_' NO
Check TUl102 and its peripheral circuits
(TUN_SDA: Pin6 of TUl102
TUN_SCL: Pin7 of TUl102, etc.).
YES
Is there the analog video signal input at pin (AD29) of IC3302
(CPU)?
_r NO
Check TUl102 and its peripheral circuits
(TUN_SDA: Pin6 of TUl102
TUN_SCL: Pin7 of TUl102, etc.).
YES
Are there the video signal inputs at pin (AA29) and (AB29) of IC3302
(CPU)?
_' NO
Check the line between IC3302 and TUl102,
and their peripheral circuits.
YES YES
Are the LVDS signal outputs at the LVDS 1st channel and 2nd channel of IC3302?
LVDS TX 0 DATA0_P/N (C14/D14), LVDS TX 0 DATAI_P/N (C15/D15),
LVDS TX 0 DATA2_P/N (C16/D16), LVDS TX 0 DATA3_P/N (C18/D18),
LVDS TX 0 DATA4_P/N (C19/D19), LVDS TX 0 CLK P/N (C17/D17),
LVDS TX 1 DATA0_P/N (A14/B14), LVDS TX 1 DATAI_P/N (A15/B15),
LVDS TX 1 DATA2_P/N (A16/B16), LVDS TX 1 DATA3_P/N (A18/B18),
LVDS TX 1 DATA4_P/N (A19/B19), LVDS TX 1 CLK_P/N (A17/B17).
_' NO
Check the line between IC3302 and TUl102, and
their peripheral circuits (Cl129/Cl130, etc.).
NO
Check IC3302 and its peripheral circuits.
(IC3501/IC3502, etc.)
_' YES
[ Check the panel module.
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