Sharp LC-40E67U - Page 50

LC-40E67U/LC-40E77U
6 – 3
No video (3)
S-VIDEO: No external input video [INPUT-2]
Is INPUT-2 selected on the input select menu screen?
YES
NO
Does the INPUT-2 S1_PLUG detection function?
Check the line between pin (6) of input terminal (J506)
and pin (AB11) of IC8001 (CPU).
Are there the S-VIDEO signal inputs at pins (A12) (Y) and (B9)
(C) of IC8001 (CPU)?
YES
NO
Check the line between pins (3) (Y)/(4) (C) of J506
and pins (A12)/(B9) of IC8001. (Q507 and Q508, etc.)
Are the LVDS signal outputs at the LVDS 1st channel and 2nd
channel of IC8001?
LV0OUT0P/M (N19/N20), LV0OUT1P/M (N21/N22),
LV0OUT2P/M (P19/P20), LV0OUT3P/M (R19/R20),
LV0OUT4P/M (R21/R22), LV0CK0P/M (P21/P22),
LV1OUT0P/M (J21/J22), LV1OUT1P/M (K19/K20),
LV1OUT2P/M (K21/K22), LV1OUT3P/M (L21/L22),
LV1OUT4P/M (M21/M22), LV1CK0P/M (L19/L20)
NO Check IC8001 and its peripheral circuits. (IC8251, etc.)
YES
Check the panel module.