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Old 25th August 2011, 03:37 PM   #1
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Default Pioneer GM-D8500M

Anyone have a schematic manual? D309 is shorted, IC305 is blown to bits, D615 in the regulator circuit is also blown to bits, Reg608 is shorted.

thanks.
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Old 25th August 2011, 03:58 PM   #2
rrae is offline rrae  Norway
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U need part numbers or all manual?
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Old 26th August 2011, 02:17 AM   #3
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i figured it out, unfortunately the 71v 3300uf caps are blown as well... cant seem to find them. same with the 2sc5511
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Old 12th September 2012, 04:23 PM   #4
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Well I am back on this amp again, i need those part numbers. I know what IC305 is. But i do not know what D615 and D309 is though. D309 has a marking code of 6602 and i cant find **** on it.

Last edited by mbates14; 12th September 2012 at 04:38 PM.
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Old 12th September 2012, 05:10 PM   #5
rrae is offline rrae  Norway
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D 615 Diode UDZS13(B)
D 309 Diode RF101L2S
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Old 12th September 2012, 05:57 PM   #6
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TND505MD is discontinued. Any substitutes?
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Old 13th September 2012, 06:12 AM   #7
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The IR2110 may be able to be used as a substitute. The main difference that I see is that the input circuit has an isolated ground. I'm assuming that the low side and logic input are tied together inside the TND505MD. That's an assumption.
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Old 13th September 2012, 02:15 PM   #8
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Pretty damn good assumption at that, as since the TND505 ground is shared, I noticed in the schematic the entire circuit is floating at -VH +13v. Not at actual ground. My assumption is because the IC grounds arnt isolated like they are in the IR2110, they had to do it that way to compensate.
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Old 2nd October 2012, 02:24 AM   #9
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got the IR2110 plus all the other parts in, and it worked like a dream.

Well the SOIC package was too wide by accident so i had to make a few mods. so watch out for that. However, what I had to do was join the Ground and Common together on the IR2110. Worked great.

Along with replacing the popped 10uf 100v, 2SC5100, fast rect, 1 ohm resistor, 13v zener, and the 4 main caps.
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