Question about Audio Players & Recorders

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Reply Thanks for the info, BUT I have all that info that you sent me! What I was saying about the Genesis Media Labs G-608 is that there is absolutely no output at the speaker connections coming out of the back of the unit except for (SL- & SL+). So I was looking for Schematics and some insight as to what may be causing this problem if you could possibly help? Roy

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  • reddogcov Apr 08, 2008

    Sorry Robotek didn`t mean to dis you was just looking for the last answer you gave me. thanks alot I appreciate the time and info.




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These units use audio power amp IC's. Generally speaking, a failure in audio output stages relates either dry solder joints to the power output stages, or the chip itself has failed. Good indicator is to look at voltages across the chip. If they are all high, or all low, expect it to be blown. If it runs hot, same. if it has a crack, piece missing out of it, a bubble in it, tinning on heatsink tab blistering, it is blown. Sometimes, because so much of the audio stage is inside these chips, needing only millivolts to drive them, replacing the chip after initial inspection for dry solder joints is a normal approach to faultfinding. So you can assume it is blown even. If you really wante to waste some time on it, check the inputs across the bottom of the output stages for signal in. Throw the chip number up here and I will find a source for you. Anything, but please give me a better rating;) Cheers


Posted on Apr 08, 2008

  • Graeme Ross
    Graeme Ross Apr 08, 2008

    hey thanks man, Is real hard to get schematics for that sort of gear. They are often not worth repair... unless yo do it yoself:)



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