mb quart dcs4125 psu fets replacement

ivkata · 24th January 2012, 07:30 PM

ok got this amp with 8 blown psu fets.they are sw50n06 .whit the 4 good ones left amp powers on and produce good audio.I do have 12 new rfp50n06 as well as 12 new irfz48n .can i use them and if so which ones

thankxx guys

mike49504 · 24th January 2012, 07:52 PM

The RFP50N06's that you have will work.. Make sure you check all of the gate resistors to make sure they are within tolerance before u put the new fets in..

ivkata · 24th January 2012, 07:58 PM

i check them already
there is some minor black spots form the blown fets
how do i clean that

mike49504 · 24th January 2012, 08:26 PM

You can clean the board with Acetone.. ( not fingernail polish remover) But straight acetone

ivkata · 24th January 2012, 11:37 PM

thankx men .got it working in no time

24th January 2012, 07:30 PM	#1
ivkata diyAudio Member Join Date: Dec 2010	mb quart dcs4125 psu fets replacement ok got this amp with 8 blown psu fets.they are sw50n06 .whit the 4 good ones left amp powers on and produce good audio.I do have 12 new rfp50n06 as well as 12 new irfz48n .can i use them and if so which ones thankxx guys

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24th January 2012, 07:52 PM	#2
mike49504 diyAudio Member Join Date: Sep 2006	The RFP50N06's that you have will work.. Make sure you check all of the gate resistors to make sure they are within tolerance before u put the new fets in..

24th January 2012, 07:58 PM	#3
ivkata diyAudio Member Join Date: Dec 2010	i check them already there is some minor black spots form the blown fets how do i clean that

24th January 2012, 08:26 PM	#4
mike49504 diyAudio Member Join Date: Sep 2006	You can clean the board with Acetone.. ( not fingernail polish remover) But straight acetone

24th January 2012, 11:37 PM	#5
ivkata diyAudio Member Join Date: Dec 2010	thankx men .got it working in no time

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