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Old 19th April 2005, 01:38 PM   #1
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Default Akai amp trouble

I have an Akai AM-U22 Integrated amp yes unfortunatly it only works on the left channel, ive tryed everything and inside it looks fine, i even replaced all the fuses thought they seemed fine. No matter what you do you can only get sound out of the left channel and only the left meter on the front of the amp works too. Any help would be much apriciated
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Old 20th April 2005, 01:08 AM   #2
anatech is offline anatech  Canada
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If I'm not mistaken, that amp used STK chips.

Do you have a 'scope? That way you can chase the signal to see where it goes away. Hopefully not at he chip.

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Old 20th April 2005, 01:32 AM   #3
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Default Re: Akai amp trouble

Quote:
Originally posted by Lloyd1986
... No matter what you do you can only get sound out of the left channel and only the left meter on the front of the amp works too. Any help would be much apriciated
Well, I'd think that it's got something to do with the right channel then!


Sorry, couldn't help it!
If you don't have a scope, look again, and really close at the parts all over the board. I needed several looks into my amplifier too to find that not only that slightly dirty transistor was probably broken (and it was!), but also an electrolytic cap (not far from that transistor).

A bad electrolytic often has a bump on it's top, or the circuit board around it looks smeary.

Good luck!
Dominique
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