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I have an AKAI DGITAL INTEGRATED AMPLIFIER model NUMBER AM-M600 the connection at the back for the speakers has gone on one channel and i would like a replacement part please

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  • Colin L.Swan May 11, 2010

    What DO you mean it's 'gone' on one channel??

    Is it broken or has that channel just lost it's output??

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Have you checked the wiring to the speaker that does not work and try swopping round the speakers to see if the failed one works O.K. on the other channel?

Posted on Nov 12, 2008

When the wires are placed in the slots in the back of the unit there is no sound from one of the speakers so i am asuming the contacts have gone in the unit where the wires go

Posted on Nov 07, 2008

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The tricky part is identifying the amplifier power and speaker output terminals to test for this problem. To find a shorted output transistor, you need to measure the resistance between the output of each channel and the plus, then the minus power supply connections. There is a relay between the amplifier output and each speaker terminal on the back; this relay is turned off by the speaker protection circuit, so you can't measure from the speaker terminals. If you have a fried transistor, one of the tests will show a resistance of a fraction of an ohm. A good transistor will have a very high resistance or read open. This will be the case whether you have modular amplifiers or discrete transistors.

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Thanks,
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