Re: Chieftec HPC-360-202 PSU

For whom this might help:

I repaired one of this unit today. It didn't have 5VSB.
At first instance it appeared that only FET Q10 died, but after further analysis I saw that under C36 (1000uF/25V KMG brand) the PCB was black and that D14 (zener 6v3) was broken.
After I replaced Q10, C36 and C37 (470uF/16V TEAPO brand) (just in case), the 5VSB seemed to work again, but the tension was too high and there was noise on it. This was caused by a dried-out C34 (22uF/50V JENPO brand) on the primary side. After replacing it, the...