LC-52SB55U
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(J504)
and pin(AN9) of IC8001(CPU).
Are there the S-VIDEO signal inputs at pins(AN17)(Y) and
(AN16)(C) of IC8001(CPU)?
YES
NO
Check the line between pins(3)(Y)/(4)(C) of J504 and
pins(AN17)/(AN16) of IC8001. (Q519 and Q520, etc.)
Are the LVDS signal outputs at the LVDS 1st channel and 2nd channel of IC8001?
LVDS_TX_0_DATA0_P/N(C7/B7), LVDS_TX_0_DATA1_P/N(E7/D7), LVDS_TX_0_DATA2_P/N(C6/B6), LVDS_TX_0_DATA3_P/N(C5/B5),
LVDS_TX_0_DATA4_P/N(E5/D5), LVDS_TX_0_CLK_P/N(E6/D6),
LVDS_TX_1_DATA0_P/N(B4/A4), LVDS_TX_1_DATA1_P/N(E4/D4), LVDS_TX_1_DATA2_P/N(B3/A3), LVDS_TX_1_DATA3_P/N(B1/B2),
LVDS_TX_1_DATA4_P/N(F5/F6), LVDS_TX_1_CLK_P/N(C2/C3),
YES NO
Check the panel module. Check IC8001 and its peripheral circuits. (IC8151 thru
IC8154, etc.)
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