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Article #632

Re: Trying (again!) to identify a component!!!(help!!)

#632
From: Phil Nelson
Date: Sun, 25 Jun 1989 03:48
35 lines
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In article <320@albanycs.Albany.Edu> vijay@albanycs.Albany.Edu (Vijay Vaidyanathan) writes:
>My Fisher amp began smokin a while back and the only component 
>that looks "smoky" is a thingy that looks like a Transistor, and
>is bound to a Heat Sink. The number on it is D 612 K and has the
>letters EL printed near one leg and "2" near another. Nothing near

 I don't know what it is, but I have a suggestion. Write the model number
 down and find a Sam's Photofact for it. If it's an old amp, you may be
 able to find the Photofact in the library. This will help you identify
 the component, may help you identify why it failed (if it did). I have
 to say that the chances of resurrecting a dead amp by replacing one
 component that "looks smoky" are not great. Sometimes it works, more
 often not. If you find the part you are looking for, consider the very
 real possibility that the replacement will burn out also, it may have
 failed as a result of another problem.

 I couple of wild guesses: 1-shorted speaker output, 2-leaky electrolytic cap.


>Thanks.

You're welcome, I hope it's some help.

>
>- Vijay
>-------
>vijay@cssun.albany.edu
>vijay@albanycs.albany.edu
>-------------------------

-- 
Phil Nelson at (but not speaking for)                  OnTyme:NSC.P/Nelson
Tymnet, McDonnell Douglas Network Systems Company       Voice:408-922-7508
UUCP:{pyramid|ames}oliveb!tymix!pnelson              LRV:Component Station
"What we face is government troops and we have no guns."  -Chinese student
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References: <320@albanycs.Albany.Edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!ames!apple!oliveb!tymix!antares!pnelson
From: pnelson@antares.UUCP (Phil Nelson)
Newsgroups: sci.electronics
Subject: Re: Trying (again!) to identify a component!!!(help!!)
Summary: I suggest you get a schematic
Keywords: Fisher amp is burning
Message-ID: <469@antares.UUCP>
Date: 25 Jun 89 03:48:44 GMT
References: <320@albanycs.Albany.Edu>
Reply-To: pnelson@antares.UUCP (Phil Nelson)
Organization: Tymnet QSATS, San Jose CA
Lines: 35