Question about Kenwood KAC-7202 Car Audio Amplifier
I have a kenwood kac-7202 amplifier with a flickering power light. I also nodiced that the fan speed goes along with the flickering light. I picked it up from a friend and the only thing I knew about it is that it powered up and didn't put out sound. So, I opened her up and I nodiced that the ground trace for the speaker terminal was blown. So, I made the fix, I hooked it up and still no audio. Strangely after hooking up the speakers the power light started to flicker. What I'm thinking is that there is a short some where that is bringing the power supply down but I'm not able to find it. So far I have checked all of the transistors for a short and out of circuit I've checked the zeners that every one is talking about, the supply diodes, a couple of the output transistors and I haven't been able to find anything. Does anyone have a suggestion?
Did u start simple with checking your connections and after that you have gone in pretty far so did you check the heat sinks and mosfets look for small dents or divits and those ane the bad ones
Posted on Jul 04, 2009
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Posted on Jan 02, 2017
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