Sharp LC-60LE920UN Service Manual page 48

LC-52LE920UN/LC-60LE920UN
I No video 12) I
I
COMPONENT: No external input video IINPUT-1] ....
I
Is INPUT-] selected on the input select menu screen?
Is the INPUT-SELECT for the input signal?
_' NO
Select INPUT-] on the input select menu screen for
the right input signal.
Does the COMPI_PLUG detection function?
Check the line between pin (4) of input terminal (J506)
and pin (D30) of IC3302 (CPU).
YES
Are there the COMPONENT video signal inputs at pins (A J21) (Y)/
(AJ22) (Pb) and (AH22) (Pr) of IC3302 (CPU)?
_' NO
Check the line between the input terminals of J506
and IC3302.
(_J506 pin (5) (Y) pin (6) (Pb) pin (7) (Pr)
_1C3302 pin (A J21) pin (A J22) pin (AH22)
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 IC3302 and its peripheral circuits.
(IC3501/IC3502, etc.)
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