LC-60/70EQ10U,SQ10U/15U/17U,TQ15U,UQ17U
6 – 22
<HDMI input> No video (1)-1
HDMI: No external input video [HDMI1]
Is HDMI1 selected on the input select menu screen?
NO
Select HDMI1 on the input select menu screen for the right input signal.
YES
Does the HOT PLUG detection function?
NO
Check the line between the pin(18) of SC1501 and the pin(3) of IC2501.
Does the DDC5V signal come from pin (18) of
SC1501 to pin (3) of IC2501 (HDMI_Rx)?
YES
Does the HPD signal come from pin (4) of IC2501 to
pin (19) of SC1501?
NO
Check the line between the pin (19) of SC1501 and the pin (4) of IC2501.
YES
Is IC2501(HDMI-Rx) accessed by I2C, with HDMI
connected, to read the DDC-I2C SCL/SDA data?
NO
Check the DDC-I2C line and its peripheral circuits.
SC1501 pin(15)(SCL), pin(16)(SDA)
IC2601 pin(75), pin(76)
YES
Are there the TMDS signal at input pins of
IC2601(HDMI_SW)?
NO
Check the TMDS line (between SC1501 and IC2501) and its peripheral circuits.
[IC2501 TMDS input pins]
pin(7/8)(CLK-/+), pin(11/12)(D0-/+), pin(13/14)(D1-/+), pin(15/16)(D2-/+).
YES
Check the TMDS line (between IC2501 and IC2601) and its peripheral circuits.
[IC2601 TMDS input pins]
pin(2/3)(CLK-/+),
pin(4/5)(D0-/+),
pin(6/7)(D1-/+),
pin(8/9)(D2-/+).
Check IC2601 and its peripheral circuits.
Does the HPD signal come from pin(29) of IC2601 to
pin(38) of IC2501?
NO
Check the line between the pin(38) of IC2501 and the pin(29) of IC2601.
YES
Is IC2601(HDMI-SW) accessed by I2C, with HDMI
connected, to read the DDC-I2C SCL/SDA data?
NO
Check the DDC-I2C line and its peripheral circuits.
IC2501 pin(66)(SCL), pin(67)(SDA)
IC2601 pin(28), pin(27)
YES
Are there the TMDS signals at input pins of
IC3301(CPU)?
NO
Check the TMDS line (between IC2501 and IC2601) and its peripheral circuits.
[IC2601 TMDS input pins]
pin(2/3)(CLK-/+), pin(4/5)(D0-/+),
pin(6/7)(D1-/+), pin(8/9)(D2-/+).
YES
Check the TMDS line (between IC2601 and IC3301) and its peripheral circuits.
[IC3301 TMDS input pins]
pin(AH35/AH34)(CLK-/+),
pin(AG35/AG34)(D0-/+),
pin(AG37/AG36)(D1-/+),
pin(AF35/AF34)(D2-/+).
Check the I2C line (between IC2601 and IC3301).
IC2601:pin(46)(SCL), pin(45)(SDA)
IC3301:pin(AN12), pin(AP12)
Check IC2601 and its peripheral circuits.
Is the T-CON PWB connected?
VBO_LOCKN pin (40) of SC3801 become Low if
there is no problem in the connection.
NO
Check the T-CON PWB and harness.
Check IC3301 and SC3801 and their peripheral circuits in Main PWB.
YES
Are the V-By-One HS signal input to the pin of
SC3801?
VBO/- (36/37pin), VBO/- (32/
33pin),
VBO/- (28/29pin), VBO/- (24/
25pin).
NO
Check IC3301 and its peripheral circuits.
(IC3501/IC3502/IC3503/IC3504, etc.)
YES
Check the panel module and harness.
Summary of Contents for Aquos LC-60SQ10U
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