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Old 8th September 2015, 07:27 AM   #1
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Unhappy Behringer PMP-1000 Mixer Pow.er Supply info

Need Behringer PMP-1000 Mixer Power supply info. Anybody has a Schematics or Wiring information will be greatly appreciated. as I have a defective PSU of this Mixer. I need to know the pin-outs and voltages of
10 Pin Connector at Mixer Board, marked : +5 +15 -15 GND and 48v ?
also, Auidio in and out at this connector. I can figure out all the Voltage
connections right, except no idea what is the 48v is for ? at pin 3 of this 10 pin connector, could it be marked 4G looks like 48 ? this is what I am stumbled on, all other voltages makes sense except 48v doesn't, as I don't see any need for this voltage. except Relays rated at 24v dc. but
supplied directly from PSU. Anybody can help me to clearify the pin-outs
of 10 pin connector marked as: X37 at Mixer Board and confusing 48v at pin 3 ? Thanks in advance..
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Old 8th September 2015, 08:15 AM   #2
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Quote:
Originally Posted by Teknofix View Post
...except 48v doesn't, as I don't see any need for this voltage. ..
Mic phantom voltage?

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Old 8th September 2015, 10:06 AM   #3
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If you replace the 15Volt regulators, it will spring back to life again. The +15 needs to be the 2Amp variety.

http://www.hifiengine.com/manual_lib...hematics.shtml
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Last edited by JonSnell Electronic; 8th September 2015 at 10:09 AM. Reason: Added Schematic
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Old 8th September 2015, 03:23 PM   #4
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Originally Posted by JonSnell Electronic View Post
If you replace the 15Volt regulators, it will spring back to life again. The +15 needs to be the 2Amp variety.

Behringer Misc Schematics Manual - Circuit Diagrams - HiFi Engine
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Old 8th September 2015, 03:28 PM   #5
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I have thrown PSU away.. was burnt beyond repair, trying to rebuild new PSU.
need to know PMP-1000 10pin connector (X37) voltage pin-outs and ratings.
anybody has ideas or schamatics ?
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Old 9th September 2015, 01:02 AM   #6
Enzo is offline Enzo  United States
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The +48v is industry standard phantom power for microphones. You could omit it if you never need phantom power.

There are no published ratings for the power supply. In addition to that low voltage connection, you will also need the main rails for the power amp, unless you are turning this into a mixer only. There is a dedicated 15v supply for the fan too, I believe.

If the only question was the +48, then there you go.

I see no reason for a 2 amp 15v regulator. This is a small mixer, and the 15v rails are for the op amps in the mixer section, plain old 7815/7915 ar what was in it, and are sufficient. The fan supply is also a 7815.

Go to Elektrotanya, and look up Behringer PMH1000 for sschematics. They have it.
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