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Posted on Jan 02, 2017
SOURCE: jvc subwoofer will not power up
this is not a response to your inquirey but i'll say this if the parts you are looking at are so bad then remove them individually and take them to a electronics center and have them tested.from what i know about this stuff the board may be shot. usually cheaper to replace the board than parts. test the speaker on home amp, or car amp, as deemed appropriate to see if it is good then it becomes a problem of input. good luck
Posted on Nov 01, 2008
I have the same problem, but it is open. The color code Brown - Green - Brown - Gold. If it is a resistor, the value must be 150 ohms +/- 5%. To confirm the value, I open the working trimmer and remove one leg from the circuit and measure resistance. The meter reads only 4 ohms. Therefore, I think it is an inductor (150uH +/-5%), not resistor.
Posted on May 14, 2009
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This is a fairly ordinary 200 Amp, 600 Volt IGBT. It might cost this much because they just aren't made anymore.
Unless you wanted this part for a specific reason that you didn't mention then I think you'd be better off buying some more modern 'bricks' with better performance.
I got five 600amp 1200volt IGBT's for $100 off ebay a few months ago.
An avenue of research that might be of interest to you would be SSTC or solid state telsa coils. Google searches will find you many SSTC sites with IGBT H bridge circuits and drivers basically doing the same thing as you are intending.
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