Question about Peavey PV 2600 Power Amp

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Somthing burnt out, no power - Peavey PV 2600 Power Amp

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Here is your service manual:

http://elektrotanya.com/peavey_pv-2600.pdf/download.html

Scroll down and find link on this page "Get Manual" and click on that. You can only download two manuals a day unless you are registered at the site.

Lots of luck on this one... there are 16 transistors per side that can all fry... Fail to weed out all the failed ones and it immediately blows again. Use a 150 Watt incandescent lamp in the hot side of the power input to act as a current limiting fuse while testing so you don't blow up more parts. When the unit is good to go, the lamp will go out when you power it on after briefly lighting. This is likely an expensive repair.

Posted on Mar 19, 2011

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Posted on Jan 02, 2017

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If sure that power is reaching and getting into unit, then confirm that a signal is also reaching unit. If both are positive, then your gear is FUBAR if signal is going into correct input.

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Wild guess but if not powering up, possible that fuse blew (if no external, then there's often one on the power board), or something blew in power supply...check for blown filter capacitors (the larger ones, for leaking, or blown/bulging tops), burnt resistor, or bad diodes.

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From my technical point of view, there should not be a problem to connect the speaker to 110 V instead of 220 V, all that might happen is to have less power available at output, I have no idea about the reason of the burnt IC, but, as we all know, they (the IC's), don't need a reason to burn themselves whenever they decide to.
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It uses a regular AC power cord like on a PC.Here is a link to the manual and on page 10 show a power cord socket of 120v Ac just like on an amp or PC.

http://www.behringer.com/assets/DSP2024P_P0147_M_EN.pdf

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This is likely a power supply failure, possibly brought on by a failure of one of the amp channels.

This is probably close to your supply:

http://elektrotanya.com/behringer_sps600_power-supply_sch.pdf/download.html

Scroll down to "get manual" and click on that to download schematic. Ignore other download links.

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I purchased a brand new zed 436 on the 26th may 2011. However, all the faders except 1 feel like they have sand or somthing in them and the power supply fan is quite loud, what should i do, yours in...


If the faders are not SERVO driven they should not be rough. Sometimes they have slot sealing plastic covering the groove of the slider that may give some drag. As to the fan, the unit looks like it has a small fan which tend to be noisier than larger ones. Some fans are throttled by sensing temperature. Make sure the air flow is free and not occluded by cables or cabinetry.

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Hello everyone, you are my last hope. Here is my story I have a Triton Le bought in Mexico in 2005, it has the American AC/AC power supply cable. I moved to Europe and there I bought a 240V INPUT (9V...


I have been trying to find a schematic, however the damage should be limited in the unit.

Since there is only 9VAC input, we know that it has to go through a rectifier and a filter capacitor and then likely a regulator. I doubt the problem goes beyond the regulator.

The screen light MAY be independent of the logic power in the unit, the LED's will NOT be independent.

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You likely blew out the rectifiers as a start. They may be individual diodes or a small module with four diodes inside.

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Chances are a power transistor has shorted. Sometimes input rectifier diodes short or electrolytic caps.

Here is a hint to troubleshoot this: Connect a 150 watt lamp in series with the hot side of the power line to the amp. This will limit the current (and voltage) and prevent the fuse from blowing. You can do a lot of troubleshooting at the much reduced voltage.

If board is burnt to carbon, this "cancer" needs to be cut out and removed as the blackened board is slightly conducive instead of an insulator. Often a circuit trace has fried the board. One must install jumpers around ones that have smoked.

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