Sharp 52LE920UN Video No video at Uhfnhf broadcast silnal reception, Lvds TX 0 DATA2P/N

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?

Is there the analog video signal output (VIDEO) at pin (15) 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)?

I No video at di_lital broadcast si_lnal reception I

I

Are there the video signal outputs (IF_P/N) at the pins (9) and (10) of tuner (TUl102)?

_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).
_' YES
[ Check	the	panel module.

_' 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.)

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