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SN65DSI84-Q1: Some device has no screen on display panel when ambien is 40 degree.

Statham Su
Genius 4990 points
Part Number: SN65DSI84-Q1

Hello Sir:

It's our first time to use SN65DSI84-Q1.

We are testing high temperature operation, but we got some device has no screen on our display panel.

We measured the PCBA is around 48 degree, SN65DSI84-Q1 surface is around 49 degree and ambien is around 42 degree.  

The same PCBA is workable for room temperature, maybe it is rough descriptions, but we real need your recommendations. 

Can you try to provide some debug guide line and let us know which signal of SN65DSI84-Q1 should be checking?

Thanks a lot.