Chapter 6. Troubleshooting Table; Troubleshooting Table - Sharp LC-60LE920UN Service Manual

CHAPTER 6. TROUBLESHOOTING TABLE
LC-52LE920UN/LC-60LE920UN
[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
[ Check the line between pin (3) °f J505 and pin I(AE29) of IC3302.
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 IC3302 and its peripheral circuits.
(IC3501/IC3502, etc.)
_' YES
[ Check the panel module.
6-1