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Old 10th January 2013, 11:24 AM   #1
mrwolf is offline mrwolf
diyAudio Member
Join Date: Sep 2012
hi all, can someone please help me identify a part. im trying to repair a boss amp but have no idea what this part is.
written on it is:
C25 (37 written much smaller)
then outward facing diode diagram

it looks similar to a 3-pin power regulator

(i'd upload a photo but i dont know how this url thingy is)

thanx for the info, here is the pic of the part
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Old 10th January 2013, 07:02 PM   #2
Mooly is offline Mooly  United Kingdom
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Help to ID part

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Old 10th January 2013, 07:07 PM   #3
Perry Babin is offline Perry Babin  United States
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
The missing part is likely a positive rectifier. If you read 0 ohms between the outer legs of D711A and D710A, they are both rectifiers. D711 is a negative rectifier. D710 would be a positive rectifier. Something like the MUR1620CT should be a good sub for the missing part.
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Old 10th January 2013, 08:09 PM   #4
mrwolf is offline mrwolf
diyAudio Member
Join Date: Sep 2012
Thanx, i will test them when i get a chance and then get back to you.
You seem to know a lot about this kind of stuff, the last bit of help with part id you gave me was right on the ball and now that amplifier is fixed. I have been given several amps over the years to use as part or repair, but one of them i am desperate to fix as it was by far my favourite... Schnieder amp (cant remember what the model number is)
Ive scoured the internet for repair manuals, new/second hand units but have come up empty. My passion for the electronics has been renewed lately after a mate introduced me to arduino, i have learnt so much more about specific components although occasionally i get stumped lol
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