Sharp service manual LC-52LE920UN/LC-60LE920UN, Component No external input video IINPUT-1

LC-52LE920UN/LC-60LE920UN
I		Novideo12)	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

NO

Check IC3302

and its peripheral circuits.

IC3302?

(IC3501/IC3502,

etc.)

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.

6-2