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Old 6th February 2012, 11:34 PM   #1
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Default Diamond Audio D6 1500.1

amp has burn marks on board at component u30d20a "mospec". The amp, when only b+ and main ground are applied turns on and shows voltage on the remote. . No remote power applied. Amp powers up and power led is green, no protect light. This part is perhaps the neg. rectifier? Here's the readings on that part powered up;

pin #1 .034 volts
pin #2 -105.7 volts
pin #3 .035 volts

[IMG]Click the image to open in full size.[/IMG]

[IMG]Click the image to open in full size.[/IMG]
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Old 7th February 2012, 12:11 AM   #2
timwebb is offline timwebb  United States
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what is the amp doing? is it producing any sound?
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Old 7th February 2012, 12:26 AM   #3
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i might have factory wave soldering issue. there are many areas that need solder still. ill get u an update when i get it back together. and yes it has audio timwebb. very low power.
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Old 7th February 2012, 02:48 AM   #4
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is it ok to sub a small 10mf 50volt for a small 10mf 100volt in a class d amp?
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Old 7th February 2012, 02:51 AM   #5
timwebb is offline timwebb  United States
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i dont know. depending where it goes.
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Old 7th February 2012, 02:56 AM   #6
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top right section of above picture #2. all four caps were folded over and all had one leg each broken off the board. strange. they are all about a half inch tall and a quarter inch diameter. thanks
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Old 7th February 2012, 02:57 AM   #7
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i have didrect replacement for 2 out of four. the remaining two i only have 100volt ratings not 50volt. all the new ones will fit well.
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Old 7th February 2012, 03:01 AM   #8
timwebb is offline timwebb  United States
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those should be the voltage regulators. depending how much voltage is on them u might get away with it. but it would be best to use the 100v caps.
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Old 7th February 2012, 03:03 AM   #9
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ok. the originals are 50 volt. im going to install 100volt caps. thank you
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Old 7th February 2012, 03:21 AM   #10
timwebb is offline timwebb  United States
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oh i read it wrong my bad. it will work.
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