[sdiy] Need help about how to service an amp
cheater00social at gmail.com
Sat Apr 3 21:50:13 CEST 2021
you shouldn't be running it without a load.
get a schematic and start there.
my guess is it's going to be the power transistors. check if any of
them are shorted.
On Sat, Apr 3, 2021 at 8:56 PM Jean Bender via Synth-diy
<synth-diy at synth-diy.org> wrote:
> Hi list !
> A friend gave me a Peavey KB100, not working, i mean it's powering up but no sound, even in the headphone output.
> Well, i realise in don't know from where to start when you have to service an amp. Is there a specific way to work once you have check all the basics (fuses, power supply, and visual check up around caps and chips) ?
> Do i need, for example to simulate the speaker impedance if i disconnect it from the board for troubleshooting the circuit ?
> So this thread is more to have tips, readings about this kind of thing, since i don't feel really comfortable working on it from scratch knowledge !
> Thanks per advance
> Jean Bender
> Hak Lofi Record
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> Selling or trading? Use marketplace at synth-diy.org
More information about the Synth-diy