I use ST5651CB and ST5021 T7 has inch TFT module, pure module display is normal, but when carrying HDMI problem:
1. But, according to the normal bias voltage of what is in the range, take out stitches but later to see TFT a &gnd AVDD the feet of a short circuit, return the IC original view is IC AVDD feet a breakdown, and GND short circuit, I useful oscilloscope measurement had no instantaneous high pressure, but also not damage immediately, don't know when it broke, was scratching their heads,
HDMI circuit and bias circuit with HA5266 IC, backlit with XL6005 IC