Help with PCB V2 hardware test

[Wollerii]

I tried to find a solution from previous posts but everything there were suggested has been tried already. Can't pass the hardware test. I have tested with different ESPs, with different LLC chips (both red and blue chips) but still failing.

Could it be my soldering? There are no shorts, all pins (that should have) has continuity. How to diagnose the problem?

[metaljay]

can you show some photos of the full board?

[Wollerii]

I soldered extra female headers as I tested both red LLC and blue TXS0108E.

The hardware test in the first post was with red LLC and with 10k resistor. Got this result with red LLC and 10K resistor cut off.

[metaljay]

There’s nothing obvious with your board, it doesn’t look like your soldering is bad either, I’d clean some points up just with flux again, especially around the cable connector, potentially a bad flash?
If you have spare parts, try it again without the headers.

[zupra87]

Sorry for my bad english but are those orange ones maybe wrong way around. Dont know if its the case but many pics have them with text side downward(reflecting to your photo)
Also I would add more solder to them, some lack of it and doing this helped with my same kind of problem. Hope u get it working

[Wollerii]

I thought that these ceramic capacitors are non-polarized. Meaning that it doesn't matter which way you place them. Am I wrong?

[zupra87]

Oh sorry, you are right. I had similar issue. I turned them all around🫣😁and resoldered everything, leaving no holes and that fixed my errors.