Tascam M-2600

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rpersons

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I have a Tascam M-2600 with a PS-2600 power supply. Sometimes when I power on there is a crackling high pitch whine sound that starts slow and increases for about 1 minute then stops. After the 1 minute the mixer functions perfect with no static at all. It seems something in my power supply may be going bad. Any info on what may be causing this and how to fix it.
 
rpersons said:
I have a Tascam M-2600 with a PS-2600 power supply. Sometimes when I power on there is a crackling high pitch whine sound that starts slow and increases for about 1 minute then stops. After the 1 minute the mixer functions perfect with no static at all. It seems something in my power supply may be going bad. Any info on what may be causing this and how to fix it.
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I have a 32 input 2600 but haven't had this problem yet. For what it's worth, I'd be thinking power supply, too. Pull it and have it checked out before a complete failure of whatever branch isn't happy.

Afterthought: are you certain it's the board and not your power amp? It's worth checking so you don't end up trouble shooting the wrong piece of gear.
 
It's not the power amp. It seems that maybe a capacitor or something is warming up noisey then everything is fine. Once the console has been on I can cut it off and on without any incident. It just crackles and whistles when it has been off a while and only for about one minute then it's quiet.




QUOTE=RRuskin;3120102]I have a 32 input 2600 but haven't had this problem yet. For what it's worth, I'd be thinking power supply, too. Pull it and have it checked out before a complete failure of whatever branch isn't happy.

Afterthought: are you certain it's the board and not your power amp? It's worth checking so you don't end up trouble shooting the wrong piece of gear.[/QUOTE]
 
rpersons said:
It's not the power amp. It seems that maybe a capacitor or something is warming up noisey then everything is fine. Once the console has been on I can cut it off and on without any incident. It just crackles and whistles when it has been off a while and only for about one minute then it's quiet.
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Then Plan A it is. Pull it and get it checked out before you have a catastrophic failure.
 
It's the power supply.

I know this is WAY too late, but just for the record: It is the power supply, and not the mixing board itself. I have two 32-channel sets, and one of the two power supplies has that problem. Both mixing boards are fine when hooked up to the good power supply, and emit the same high-pitch noise when hooked up to the bad one.

And yes, this problem happens only when the power supply is cold/warming up. If used with the good power supply, the console works fine with no noise, even when the mixing board is cold/warming up.

HTH,
Eugene

P.S. Even with the noise problem, I <3<3 my M-2600s. Too bad I have to let one go soon (moving and have no room for both). ;(
 
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