LC-60LE630U/U(A), LC-70LE735U
5 – 5
<HDMI input> No video (5)-2
HDMI: No external input video [HDMI3]
Is HDMI3 selected on the input select menu screen?
YES
NO
Select HDMI3 on the input select menu screen for the right input signal.
Does the HOT PLUG detection function?
Does the DDC5V signal come from pin (16) of SC1502 to the terminal on IC3301 side
of Q1509?
YES
NO
Check the line between the input terminals of SC1502 and IC3301.
Check IC3301 and its peripheral circuits.
Does the HPD signal come from pin (5) of Q1502 to pin (19) of SC1502?
YES
NO
Check the line between the pin (5) of Q1502 and the pin (19) of SC1502.
Check IC3301 and its peripheral circuits.
Is IC3301 accessed by I2C, with HDMI connected, to read DDC_I2C data?
YES
NO
Check the HDMI_DDC line and its peripheral circuits.
(Q1512 and IC1504 etc.)
Are there the TMDS signal inputs at the terminals on IC3301 side of R3389/R3390
(CLK-/+), R3391/R3392 (D0-/+), R3393/R3394 (D1-/+), R3395/R3396 (D2-/+)?
YES
NO
Check the line between SC1502 and IC3301.
Are the LVDS signal outputs at the LVDS of SC2601?
LVDS_O_D0P/N (25/26pin), LVDS_O_D1P/N (23/24pin), LVDS_O_D2P/N (21/22pin),
LVDS_O_CLKP/N (18/19pin), LVDS_O_D3P/N (16/17pin)
NO Check IC3301 and its peripheral circuits.
YES
Check the panel module.
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