Hdmi ic on ps4 slim

hello i have to swap the hdmi ic and have heard from various people that you only have one try to swap it, is that right? Symptoms are console on signal comes but picture remains black filters are ok hdmi port also ok security mode tried also in 575p black picture

“You only have one try…”. What does that mean?

You can put a new chip on there as many times as you want.

As I said, I was told that you only had to try to swap the chip. again a little smarter. what about the temperature i use mostly 370 degrees celsius. or is it too high and sorry for the english i use google translator come from germany