Question about Clarion DPX1001.2 Car Audio Amplifier

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Clarion Dpx1001.2 no audio output

I have a Clarion DPX 1001.2 amp I got and it did'nt come on when I put power to it. Then I took it apart and started doing some testing and found 1 bad zener diode. Well I replaced the diode and now it comes on but no audio. I checked all tansistors and all check out. Maybe I should do some more testing but check the smaller components more than I did. But, it has this black square thing that resembles a processor, It's got Tripath wrtten on it TA0102A. I'm thinking this might be the problem. Any help greatly appriciated. I have 2 degrees in electronics so I know what I'm doing. Please help

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  • Mark Skinner Feb 24, 2009

    Hello, I also have built circuit boards and have made my own amps, car and guitar amps. About 15 years ago I made them. I also have 2 degrees in electronics. Also got those 16 years ago. I was just asking on here first cause I just got back into repairing electronics, I should say mainly car amps and currently opening my own business. It's all coming back slowly. second I just wanted to see if anyone else had this problem for a quick fix and it's a class T and has that Tripath modual and I have'nt had the knowledge nor came across any of these yet from my customers. So anyway, no my friend it's not the Tripath. After I replaced the zener diode and amp came on I was thinking the same thing. So the next day, cause it was late, I was doing some more checking and found resistor R46 which is a 1.1 ohm resistor was bad. Replaced and amp works great. Resistor comes off the torroidal transformer then into a diode. So make sure you allways check your components, all of them if you have to. Also a guy on here named pbabin on here helped me with this. He is a very nice and well knowledged person and we are becoming goos friends. He gave me the to check the resistor also. He has his own sit dedicated to car amp repair. I recomend to check it out, it's a great site that help people repair amps. It's Thanks for the help though I appriciate it.


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I got the same problem where can I get the tripath at

Posted on Jun 16, 2011

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Hi i didnt wont anyone to get confused i just wanted to clear up that all the dpx amps are class g/h wich is basicly class h/d or high speed class d. most companise call it ice tech. by the way good troble shouting on the resistor thats wat got mine. its not a bing and howell desin its a very strat forward bord to work on i have a dpx 1001.2 thay are rated at 500x2@1 ohm 1000x1@2 rms power. mine is suped up i have 2 9600uf 50v caps on the out put and a 1.000.000uf or 1 ferid cap one the power supply mine is a little over kille it dose 872x2@.6 ohm and 1734x1@1,1 ohm with 3 40 amp fuses at 13.8

Posted on Jul 08, 2010

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Posted on Feb 24, 2009

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