Sharp 52LE920UN, 60LE920UN service manual Troubleshooting Table, No vide

LC-52LE920UN/LC-60LE920UN

CHAPTER 6. TROUBLESHOOTING TABLE

[1] TROUBLESHOOTING TABLE

I

NO vide° 11) I

I	COMPOSITE: No external input video IINPUT-2] ........ I
[ Is INPUT-2 selected on the input select menu screen?						]
	J' NO
	Select INPUT-2 on the input select menu
	screen for the right input signal.
	YES
Is there the COMPOSITE signal input at pin (AE29) of IC3302
(CPU)?
	_' NO
	[ I(AE29)Check theof IC3302linebetween.	pin (3)	°f	J505	and pin
	YES
Are	the LVDS signal outputs at the LVDS	1st channel and			2nd channel of IC3302?		NO	Check IC3302	and its peripheral circuits.
LVDS TX 0 DATA0_P/N (C14/D14), LVDS TX			0	DATAI_P/N		(C15/D15),		(IC3501/IC3502,	etc.)
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.

6-1