[TechAssist] Re: Sherwood -S2660 CP Stereo Amp. Help?. Blown (both) speaker fuses. Replaced, now loud hum?
- From: Tel-Tek Electronics <teltek3@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 11 Mar 2006 15:55:21 -0500
Definitely change the STK2250, only about $10 from www.pacificsemi.com
Not to presume that this will fix your problem, but a good start.
You need a minimum order of $25 to order from them, so you may do better
trying to get it locally.
-Ed-
Tel-Tek Electronics
Ontario-Canada
TechAssist Member 2003.
PS:
If replying to this email, please include all threads.
teltek3@xxxxxxxxxxxx
Robinson Electronics wrote:
> Can any of you stereo Techs. help me with this receiver?
> Never worked on Sherwood amps.
> Both of the speaker fuses were blown, replaced fuses "5A", now has a loud
> hum noise when powered on, even with volume all the way down.
> This one uses 1 IC (STK2250), don't have a datasheet on it, and cannot tell
> if it is causing the problem - still checking.
> Pins 4,5, & 6 are reading a "short" together, and
> 10,11,12, &13 are also reading a "short" together?
> Can anyone help me with this, very much appreciated.
> Thanks. David.
>
> Robinson Electronics
> 1075 Sweeten Creek Road #51
> Asheville, NC 28803-1757
> Ph./Fax. 828 274-3787
> Toll Free. 1-888 ROBELECT
> www.robinsonelectronics.com
> www.robelect.com
> Mailto: RobinsonElectronics@xxxxxxxxxxx
>
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