Re: Stereo Repair...
From: David (dkuhajda_at_locl.net.spam)
Date: 06/20/04
- Next message: David: "Re: Surge suppressor / AC for Sony TV"
- Previous message: Bart: "Uce of a HOT in a monitor"
- In reply to: Opticreep: "Stereo Repair..."
- Messages sorted by: [ date ] [ thread ]
Date: Sun, 20 Jun 2004 16:05:20 -0500
Basically standard audio signal tracing with an o'scope and signal injector
is all that is ever needed for this type of problem.
David
"Opticreep" <opticreep@yahoo.com> wrote in message
news:9e1f277e.0406181544.677d5d39@posting.google.com...
> I'm planning to repair a faulty stereo boom box of mine.
>
> Basically, the stereo powers up just fine... but it's hardly
> outputting anything at all on the left channel. The left channel is
> barely audible at all. I know it's not the left speaker itself
> because I've already checked.
>
> The right channel is extremely loud compared to the left channel. I
> get the impression that it's actually abnormally loud, as though
> *maybe* the right channel is doubly amplified and the left channel is
> hardly amped at all. And the volume control seems completely whacked.
> A gradual turning of the volume knob clockwise in a 45-degree angle
> will make the volume go up and down every other degree, but generally
> gets louder and louder in the long run. Imagine a sinusoidal
> waveform, with a linearly increasing maximum amplitude.
>
> Anyway, I'm planning on repairing this stereo. Considering these
> symptoms, are there any suggestions on where I should start looking?
> If it's a problem with the amp, I'm wondering why the volume controls
> would act so strangely.
- Next message: David: "Re: Surge suppressor / AC for Sony TV"
- Previous message: Bart: "Uce of a HOT in a monitor"
- In reply to: Opticreep: "Stereo Repair..."
- Messages sorted by: [ date ] [ thread ]
Relevant Pages
|
