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Powermixer inputs are dead
Powermixer inputs are dead
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Old 4th January 2019, 11:57 AM   #1
Nordskov is offline Nordskov  Denmark
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Join Date: Jun 2007
Default Powermixer inputs are dead

Hi there.

[SOLVED]
I have a Peavey XR1220 power mixer that has faulty inputs.
The mixer has 20 channels, 18 normal and 2 aux channels.
The normal channels have 3 inputs. XLR, Line and Insert.
All Insert inputs on all normal channels are dead.
XLR and Line are working fine. The two aux channels are ok too.
Using Insert the signal LED don't light up and there's no signal to PFL.

I really have no idea why the problem is affecting all channels.
What does these inserts have in common?

Thanks

Last edited by Nordskov; 4th January 2019 at 02:54 PM. Reason: Problem solved
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Old 4th January 2019, 02:41 PM   #2
Ian Finch is online now Ian Finch  Australia
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Join Date: Apr 2010
Location: Coffs Harbour, NSW
Have you already checked the operating manual to be certain you have it configured for the input type you want? [PDF] Operating Manual - Free Download PDF
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If only I had listened....
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Old 4th January 2019, 02:53 PM   #3
Nordskov is offline Nordskov  Denmark
diyAudio Member
 
Join Date: Jun 2007
Quote:
Originally Posted by Ian Finch View Post
Have you already checked the operating manual to be certain you have it configured for the input type you want? [PDF] Operating Manual - Free Download PDF
Thank you for the link to the manual.
As I read it, special wiring is needed using Insert. Not like normal instruments like keyboards.
The mixer have been used in a static installation, with 8 keyboards. I would have sworn they all had been previous connected via Insert inputs, but I realize it must have been Line inputs.
Someone must have disconnected everything and reconnected it all wrong. And I didnt notice the difference.

Thank you Ian
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Old 4th January 2019, 03:00 PM   #4
turk 182 is offline turk 182  Canada
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Join Date: Oct 2012
just what sort of connector are you using?
an insert is typically a stereo jack configured as tip=send ring=return sleeve is common inserts are used to patch in external devices like compressors or gates even external eq's "inserting" them inline with the channel.
so if your using a mono 1/4 plug you will not get signal on the ring as that is grounded by the plug (try pulling out the plug slowly til the tip comes into contact with the ring, you should get signal)

insert cables are typically a stereo plug on one end and two mono plugs at the other end either color coded red=return or marked S and R
Digiflex 1/4in TRS to Dual 1/4in TS Insert Cable - 6 Foot [HIN-1S-2P-6] : AVShop.ca - Canada's Pro Audio, Video and DJ Store
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Old 4th January 2019, 03:10 PM   #5
Nordskov is offline Nordskov  Denmark
diyAudio Member
 
Join Date: Jun 2007
Quote:
Originally Posted by turk 182 View Post
just what sort of connector are you using?
an insert is typically a stereo jack configured as tip=send ring=return sleeve is common inserts are used to patch in external devices like compressors or gates even external eq's "inserting" them inline with the channel.
so if your using a mono 1/4 plug you will not get signal on the ring as that is grounded by the plug (try pulling out the plug slowly til the tip comes into contact with the ring, you should get signal)

insert cables are typically a stereo plug on one end and two mono plugs at the other end either color coded red=return or marked S and R
Digiflex 1/4in TRS to Dual 1/4in TS Insert Cable - 6 Foot [HIN-1S-2P-6] : AVShop.ca - Canada's Pro Audio, Video and DJ Store
It was all a mistake on my behalf, trying to use Insert as an instrument input
Thank you.
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Old 4th January 2019, 03:17 PM   #6
turk 182 is offline turk 182  Canada
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Join Date: Oct 2012
ok ! carry on then!
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