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Old 23rd June 2010, 04:56 AM   #1
timwebb is offline timwebb  United States
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Default 16-st1500d memphis

does this amp use 22 ohm resistors? it been worked on before so part are missing and stuff.the amp stays in protect but the green light comes on and off ?
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Old 23rd June 2010, 05:07 AM   #2
timwebb is offline timwebb  United States
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here's the power supply
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File Type: jpg IMAGE_171.jpg (55.1 KB, 58 views)
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Old 23rd June 2010, 06:32 AM   #3
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22 ohm gate resistors in the power supply are probably right. I don't have anything on the 1500 but the 1000 and the 300 both use 22 ohm resistors.
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Old 23rd June 2010, 06:36 AM   #4
timwebb is offline timwebb  United States
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i pulled the MUR3040PT and it came out of protection but the fets heated up
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Old 23rd June 2010, 06:50 AM   #5
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Are the power supply driver transistors OK?
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Old 23rd June 2010, 07:16 AM   #6
timwebb is offline timwebb  United States
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yea i it had solder across one of the drivers but when i put the MUR3040PT back in it still goes into protection im tracing it back now
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Old 23rd June 2010, 07:41 AM   #7
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What parts have been replaced in the output section of the amp?
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Old 23rd June 2010, 03:17 PM   #8
timwebb is offline timwebb  United States
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the rectifiers have been taken out and a few 640 have been pulled.its power up fine with out the MUR3040PT in
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Old 23rd June 2010, 03:22 PM   #9
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Did you check the outputs?

Are the rectifiers identical?
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Old 23rd June 2010, 03:31 PM   #10
timwebb is offline timwebb  United States
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the rectifiers look the same but they were off the amp but the big one in the pic looks to be on the second transformer.i check the out puts they was fine but my meter actin funny so ima pull them and test them
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