Problem in the RF or in the SID chip?

e5frog · Posted: Wed May 23, 2012 4:33 pm Post subject:

Maybe, sounds like someone needs to open it up and take a look.

There's a small amplifier circuit from the SID audio out that could possibly be defective or the capacitor after the amplifier or oxidation on the socket/chip.

Oge_user · Posted: Wed May 23, 2012 4:43 pm Post subject:

It could be like e5frog pointed out and I'd replace capacitors (470pf) involved in SID chip as well. If you can find an electronic shop, it will be only a matter of finding someone able to desolder the problematic components.

I'd guess that the SID is not faulty.

Cheers,
Oge
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e5frog · Posted: Wed May 23, 2012 4:44 pm Post subject:

... but I'd check the 9VAC from the PSU and that the fuse inside the computer is OK (sometimes it's just almost broken).