Sharp LC-60LE810UN Service Manual - Page 56

Lvds_tx_0_data4_p/n C19/d19, Lvds_tx_0_clk_p/n C17/d17

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LC-40/46/52/60LE810UN (1st Edition) No video (2) COMPONENT: No external input video [INPUT-1] Is INPUT-1 selected on the input select menu screen? Is the INPUT-SELECT for the input signal? NO Select INPUT-1 on the input select menu screen for the right input signal. Does the COMP1_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 (AJ21) (Y)/ (AJ22) (Pb) and (AH22) (Pr) of IC3302 (CPU)? NO Check the line between the input terminals of J506 and IC3302. J508 pin (5) (Y) pin (6) (Pb) pin (7) (Pr) IC3302 pin (AJ21) pin (AJ22) 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_DATA1_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_DATA1_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.) 6 - 2

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LC-40/46/52/60LE810UN (1st Edition)
6 – 2
No video (2)
COMPONENT: No external input video [INPUT-1]
Is INPUT-1 selected on the input select menu screen?
Is the INPUT-SELECT for the input signal?
YES
NO
Select INPUT-1 on the input select menu screen for
the right input signal.
Does the COMP1_PLUG detection function?
Check the line between pin (4) of input terminal (J506)
and pin (D30) of IC3302 (CPU).
Are there the COMPONENT video signal inputs at pins (AJ21) (Y)/
(AJ22) (Pb) and (AH22) (Pr) of IC3302 (CPU)?
YES
NO
Check the line between the input terminals of J506
and IC3302.
J508 pin (5) (Y) pin (6) (Pb)
pin (7) (Pr)
IC3302 pin (AJ21) pin (AJ22)
pin (AH22)
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_DATA1_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_DATA1_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.