Pin 4 issue?, no this I've seen more often while the receiver worked just fine.

The rest looks to me fine.

I think, replace the four big caps then there is a reasonable chance that the box again works.
_________________________
Doing nothing leads to nothing.

------------- Please note, for technical support -------------
Will be given here, or on the jb8a8f8 forum and I prefer it in English.
Johnny B.

Click on the banner if you like to go there..