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<When EXT5 is used for external input>
No EXT5 (HDMI) output of the external input system.
Checklist:
1) Is "INPUT SOURCE" button
2) Have you checked the type video signal sent from HDMI-connected external device? ••• Confirm the type (it should "RGB", "YCbCr 4:4:4" or
"YCbCr 4:2:2").
3) Have you checked the type of Color Matrix sent from HDMI-connected external device? ••• Confirm the type (it should be "ITU601" or
"ITU709".)
4) Is ANT-CABLE disconnected or connected improperly? ••• Connect it correctly as per the operation manual.
Is "EXT5" selected with "INPUT SOURCE" button on the remote
control?
Is the type of video signal (Signal Type) from HDMI-connected
external device set?
Is the type of color signal (Color Matrix) from HDMI-connected
external device set?
Is TMDS data (RX*±signal) sent to pins (1) - (12) of EXT5 (HDMI)
terminal (SC1901)?
Is 8bit-DIGITAL signal (HDMI- R/G/B) sent from pins (110) - (144)
of IC1905 (HDMI-RECEIVER)?
Is 8bit-DIGITAL signal (HDMI- R/G/B) sent to pins (73) - (50) of
IC3002 (VCT)?
Refer to "No video output in all modes".
No picture on the display (12)
on the remote control set up correctly? ••• See the operation manual and set "INPUT SOURCE" to "EXT5".
YES
YES
YES
YES
YES
YES
NO
Select "EXT5" with "INPUT SOURCE" button on the remote con-
trol.
NO
From MENU-Option-HDMI Setup-Signal Type, select a signal
type ("RGB", "YCbCr 4:4:4" or "YCbCr 4:2:2").
NO
From Option-HDMI Setup-Color Matrix, select a color signal type
("ITU601" or "ITU709")
NO
Is I2C signal (SDA/SCL signal) sent to pins (16) and (15) of
EXT5 (HDMI) terminal?
Check external connection and peripheral circuits.
NO
Check power supply (3.3/1.8V) pins (99) and (74) of IC1905,
SDA/SCL signal pins (29) and (30), and peripheral circuits.
NO
Check SDA3/SCL3 signal pins (27) and (28), interface between
IC1905 and lC3002, and peripheral circuits.
4 – 15
LC-37AD5E
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