Chapter 6. Troubleshooting Table Troubleshooting Table - Sharp LC-60LE810UN Service Manual

CHAPTER 6.
LC-40LE810UN TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
COMPOSITE: No external input video [INPUT-2]
Is INPUT-2 selected on the input select menu screen?
NO
Select INPUT-2 on the input select menu
screen for the right input signal.
YES
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?
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.
LC-40/46/52/60LE810UN (1st Edition)
Service Manual
No video (1)
NO
6 – 1
Check IC3302 and its peripheral circuits.
(IC3501/IC3502, etc.)