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From: "John Jardine"
Subject: Re: Can a transformer fail?
Date: Mon, 16 Dec 2002 01:41:43 -0000
NNTP-Posting-Date: 16 Dec 2002 01:28:59 GMT
X-Newsreader: Microsoft Outlook Express 5.00.2615.200
be jennings wrote in message
> Ok I've got a car amplifier from a friend that runs on 12v. Basically it
> four channels and one toridal transformer per two channels I think? Anyway
> at one side of the coil about 23V AC go into it and I get around 80v ac
> the other side. Now with the other transformer on the otherside exactly
> same goes in however I only get about 2v AC out?? can anyone explain? I've
> reversed the transformer around and then I only get about 0.2v AC so my
> question is can the transformer fail?? if so how do they usually fail? and
> can they be repaired or tested some how??
> Ben J
Maybe it's one of those SMPS audio units that use the SMPS to get the audio
watts up. In which case it's probably the switching TR's/Fets ect that have
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