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Old 01-29-2020, 05:35 AM   #1
tonytiger
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Default peavey xr1212

hi guy's im looking for a service manual for this peavey xr1212 mixer....

i have 2 parts that are burn and would like to replace them but cannot see info on them.....location is q3 and q4

so basicly,when client brought me this mixer,he have already took out these 2 parts....and what he told me is that the mixer have power but no light or disply,ect...but that the powerboard come very hot and start smelling like burning.....

so i kind of need these parts to make further test.any help would be very nice.thank you
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Old 01-29-2020, 06:04 AM   #2
petehall347
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Default Re: peavey xr1212

have you got the schematic ? if not email peavey for it
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Old 01-29-2020, 09:16 AM   #3
tonytiger
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Default Re: peavey xr1212

i tryed,but never got a reply.....will try again
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Old 01-30-2020, 08:47 AM   #4
madan1
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Default Re: peavey xr1212

Well from picture 9 -gb19nc60kd
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Old 01-30-2020, 01:28 PM   #5
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Default Re: peavey xr1212

If these two fets are blown, I suspect the driver ic is also blown, check the resistors connected to the gate and follow them back to the drive circuit. I suspect there are more issues, hopefully Peavey will provide the schematics
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Old 02-02-2020, 03:50 PM   #6
tonytiger
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Default Re: peavey xr1212

thanks for the info,i will do as you told me to check.and yes peavey send me all schematics for this units,i let you know my progress.
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Old 02-02-2020, 03:58 PM   #7
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Default Re: peavey xr1212

Can you upload the schematics?
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Old 02-02-2020, 05:02 PM   #8
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Default Re: peavey xr1212

Quote:
Originally Posted by r_j View Post
can you upload the schematics?
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Old 02-02-2020, 06:40 PM   #9
petehall347
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Default Re: peavey xr1212

+2
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Old 03-02-2020, 12:02 AM   #10
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Default Re: peavey xr1212

hi guy's sorry for late info but like you asked here are the peavey shematic that peavey send me.
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Old 03-02-2020, 03:14 AM   #11
petehall347
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Default Re: peavey xr1212

https://www.mouser.co.uk/ProductDeta...AzAAUcdTHQmQ==
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Old 09-21-2020, 08:14 AM   #12
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Default Re: peavey xr1212

Thanks for posting these schematics!

Hoping to repair the speaker outs on my xr 1220.
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Old 06-15-2022, 08:46 AM   #13
jo75
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Default Re: peavey xr1212

Quote:
Originally Posted by tonytiger View Post
hi guy's im looking for a service manual for this peavey xr1212 mixer....

i have 2 parts that are burn and would like to replace them but cannot see info on them.....location is q3 and q4

so basicly,when client brought me this mixer,he have already took out these 2 parts....and what he told me is that the mixer have power but no light or disply,ect...but that the powerboard come very hot and start smelling like burning.....

so i kind of need these parts to make further test.any help would be very nice.thank you

Hi, hope the pic will be useful for you, I had same problem blown mosfet, the part number is 26NM60N. the SMD diod marking is 14G.
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Old 06-15-2022, 08:49 AM   #14
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Default Re: peavey xr1212

Quote:
Originally Posted by jo75 View Post
Hi, hope the pic will be useful for you, I had same problem blown mosfet, the part number is 26NM60N. the SMD diod marking is 14G.
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Old 06-18-2022, 05:25 AM   #15
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Default Re: peavey xr1212

Interesting ... that mixer uses the same amplifier board as the Peavey IPR1600 power amp ...

The original 2x components were IGBT's but several other fets can be used to replace.

Be a good idea to remove the amplifier side power fets and check them or you may blow the new PSU fets again on 1st power up.

Last edited by check12; 06-18-2022 at 05:29 AM..
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Old 06-25-2022, 01:59 PM   #16
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Default Re: peavey xr1212

Peavey is a great company when it comes to providing schematics, etc. They will also sell parts if they have them, and they have had some parts to some very old amps I have repaired.
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