I have a problem with my Philips 32PFL9613D10. The DC/DC conversion on the SSB was damaged, so for a short time a high voltage (12V instead of 3V3) arised to the microprocs.

In this case the whole SSB should be changed. Unfortunately the board is not available as a spare part. When I try to find a used board I find a lot of boards with different numbers, which look similiar, e.g. SSB with the number 3104 328 58522 and another board with the number 3104 301 30 141.

What's the difference between these numbers, although the boards look similar? Could anybody help me?