Sharp LC-32SV40U Service Manual page 50

Does not the picture display when HDMI cable plugged into HDMI 2 ?
Terminal
Is the HOT_PLUG detection function of pin (19) of
a HDMI terminal (CN8101) normal?
YES
Is TMDS signal input into pin
RX1_2/ RX1_2B,
RX1_1 / RX1_1B,
RX1_0/ RX1_0B
RX1_C/ RX1_CB of IC U2102?
YES
Refer to "The picture doesn't appear in all
modes."?
<External input Input(Rear_HDMI2)>No picture on the display (4)
NO
NO
49
Check the line between pin (7) of IC U2102 and
CN8101
Check the connection and setup with the
external HDMI devices.
Check the line between IC U2102 and CN8101