Sharp XV-Z3100U Service Manual page 40

XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
HDMI input is not
displayed.
Do pin 19 of HDMI terminal
become to "H" (5V) when
connecting a cable?
YES
Is TM DS signal fed to
Rx0, Rx1, Rx2, and Rxc of
IC3901?
YES
Are HSync, VSync and
RGB data sent from
IC3901?
YES
Check peripheral circuits
of IC3701.
NO
Check Q3905 and HPD
line of IC6202.
NO
Is IC3902 accessed via I2C
and data read?
NO
Check IC3902 and
peripheral circuits of HDMI
terminal.
Check cables, too.
NO
Check peripheral circuits of
IC3901.
5 – 11
YES
Check the setting of DVD
device (signal source).