Re: Infinity PS-12 Powered Subwoofer Fired Amplifier

The board is identical to the others posted in this thread. I've gone over it looking for visible damage, nothing found yet (other than the brown area under the resistors). It has no burn marks or other visible flaws.

I do have the service manual. When I get it reassembled, I'll start tracing from the power supply out, to the limit of my ability, and report what I find.

That the resistors are conducting is of course true, but what I'm wondering is if they should normally be that _hot_. Hot enough...

Re: Infinity PS-12 Powered Subwoofer Fired Amplifier

Hey guys,

Bringing this back from the dead, because I have an Infinity TSS-1200 that is fubar. I got it free from a local ad, and would like to save it from the landfill if possible. If you want me to start a separate thread, let me know.

The Scenario:

The LED turns green with a live audio signal, and back to red about 2 seconds after the music stops. The speaker makes no output at all, not even cracks/snaps.

The fuse is good.

None of the caps on the...