Sharp LC-60LE810UN Service Manual - Page 55

Sharp LC-60LE810UN Manual

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LC-40/46/52/60LE810UN (1st Edition) LCC-H40ALE8P10TUNER 6. TROUBLESHOOTING TABLEService Manual [1] TROUBLESHOOTING TABLE No video (1) COMPOSITE: No external input video [INPUT-2] Is INPUT-2 selected on the input select menu screen? YES NO Select INPUT-2 on the input select menu screen for the right input signal. Is there the COMPOSITE signal input at pin (AE29) of IC3302 (CPU)? NO Check the line between pin (8) of J507 and pin (AE29) of IC3302. YES Are the LVDS signal outputs at the LVDS 1st channel and 2nd channel of IC3302? NO 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. Check IC3302 and its peripheral circuits. (IC3501/IC3502, etc.) 6 - 1

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LC-40/46/52/60LE810UN (1st Edition)
6 – 1
LC-40LE810UN
Service Manual
CHAPTER 6.
TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
No video (1)
COMPOSITE: No external input video [INPUT-2]
Is INPUT-2 selected on the input select menu screen?
YES
NO
Select INPUT-2 on the input select menu
screen for the right input signal.
Is there the COMPOSITE signal input at pin (AE29) of IC3302
(CPU)?
YES
NO
Check the line between pin (8) of J507 and pin
(AE29) of IC3302.
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.