LC-65D64U
6 – 8
[HDMI signal input] No video (5)
HDMI: No external input video [INPUT-6]
Is INPUT-6 selected on the input select menu screen?
YES
NO
Select INPUT-6 on the input select menu screen for the right input
signal.
Does the HOT PLUG detection function?
Does the DDC5V signal come from pin(18) of SC1602 to pin(52) of
IC1604(HDMI-SW)?
YES
NO
Check the line between the input terminals of
SC1602 and IC1604.
Does the HPD signal come from pin(36) of IC1604 to pin(19) of
SC1602?
NO
Check the line between IC1604 and SC1602.
IC1604 pin(36) IC1608 pin(4)
SC1602 pin(19)
Are there the TMDS signal inputs at pins(38/39)(CLK-/+), (41/42)(D0-/+), (44/
45)(D1-/+), (47/48)(D2-/+), all of IC1604?
YES
NO
Is IC1603(EEPROM) accessed by I2C, with HDMI connected, to
read the DDC_I2C SCL/SDA data?
NO
Check the DDC line and its peripheral circuits.(IC1603 and its
peripherals).
Are there the TMDS signal inputs at pins(39/40)(CLK-/+), (43/44)(D0-/+), (47/
48)(D1-/+), (51/52)(D2-/+), all of IC1502(HDMI-Rx)?
NO Check IC1502, IC1604 and their peripheral circuits.
YES
Are there the HD_DVI[29:0], HD_DVI_CLK_P, HD_DVI_VSYNC,
HD_DVI_HSYNC, HD_DVI_DE signal outputs to IC1502?
NO Check IC1502 and their peripheral circuits.
YES
Are there the HD_DVI[29:0], HD_DVI_CLK_P, HD_DVI_VSYNC,
HD_DVI_HSYNC, HD_DVI_DE signal inputs to IC8001?
NO Check the line between IC1502 and IC8001.
YES
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),
NO
Check IC8001 and its peripheral circuits. (IC8151 thru
IC8154, etc.)
YES
Check the panel module.
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