Amiga 3000 video issues

[desantii]

I recently purchased an Amiga 3000, the video out to the 1084 monitor works fine, however the 15pin output to a VGA is garbled/flickering (not too much, stuff is still readable) but after about 3 minutes it completely stabilizes (you can see it getting better as time passes). Any ideas on what could be the issue?

thanks

[tone007]

Old capacitors, maybe?  You could try adjusting the little potentiometer (tiny screw) that fine-tunes the scandoubler while it's cold, but the fact that it's fixing itself as it warms up generally points to old parts, and as it warms up it may go out of tune again.