Question about Pyramid 10 Amp Power Supply (068888701655) Power Supply

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Pyramid Ps 12-kk power suply the red light comes on when you connect anything to it.Dissconnect it and back to green.

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Posted on Jan 02, 2017

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SOURCE: Re: Pyramid PS-36kx power supply buzzer sounded,red light came on

Hi! I saw your question, and maybe this will help. I also have a Texas Star 100w amp, and this same power supply. Even though the nominal draw for your equipment is way below the rated amp flow of the power supply, when you key up, and the output on the amp is at max, you are drawing the limit of your power supply! Try running this setup at a lower linear output. You don't need the full 100 watts to get out! 60-80 watts is aplenty! You should start at a low output, and slowly increase the output(while keyed up), untill the power supply starts to complain.(buzzer/light). This is what your limit will be. The only other cure, is a MUCH bigger power supply. Unfortunately, I cannot afford a 60-90 amp supply, so this is what I am forced to do to use the one we have. Also,keep your cb's output very low when using the linear amp. These amps are supposed to get a low signal from your radio, or the linear amp is overdriven. (noisy and unstable. Hope this helps you! 73's to you! jimsjinx

Posted on Dec 03, 2011

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The red lightcomes on when i hook up things to it when nothin is hooked up its green


Usually, this indicates an overload condition. I have a Pyramid 35 amp supply that has no green light but uit does have a red light and an irritating little beeper that the instruction book says is activiated when power draw approaches 90% of rated output. (Why not call it a 30 amp supply if you can't use the full 35???) Enough editorializing. You don't say if the supply actually works, just that the light changes color. If it doesn't work at all, I would start with checking the diode bridge for a blown or leaking diode. If one is bad, it can output enough to drive an LED but fail anything else. If these are good, check the filter capacitor. If this is bad, the hum could concievably confuse the regulator circuit. Next, I would check what ever voltage regulator it has in it. I can't comment on specifics as there are many schemes that can be used. My unit, for example, is like a mouse driving an elephant. It has a small 723 regulator IC, (Aprox. 100ma output), controling 4 large TO-3 pass transistors driven by a 36 volt 40 amp transformer to boil it all down to an adjustable 12 to 15 volts.
The bottom line is without knowing if the unit is puting out or not and not having it in my hand to look at, this is the best I can do. I hope it helps.
Good luck.
Jeff

Feb 03, 2011 | Pyramid 10 Amp Power Supply (068888701655)...

1 Answer

When tele on standby and red light on when i go to turn it on red light disappears and it looks dead red light can take up to 12 hrs to come back on then when it does i hav to immediately press remote to...


hi
concerning your problem most of related trouble on Lg or Samsung tv are power suply
module on witch there are a few capacitor that need to be replace there are 1000uf 16volt that you could replace by yoursel if you are handy with soldering tools or you can look for the part number printed on the board and find it on ebay
for in between 100-200$

Sep 27, 2010 | LG Televison & Video

1 Answer

Turn on and few seconds goes off


The fan is cooling the power suply and geting power from it the power suply is going bad the relay is turning the tv off to proteckt it's self.

Nov 24, 2009 | Televison & Video

1 Answer

Green and red light are on my pyramid amp and its not working


It could be even simpler than that, yes an improper impedance rating on an amp will cause it to overheat, but should function temporarily until it reaches peak temp. If the outputs were blown the protect light should not light up being that they would need to work to cause the protect light to come on. I would double check all of your connections, one small little crossed wire would cause an amp to immediately go into a protect mode.

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Connecting a Cobra 29LTD to a Pyramid PS-3KX 13.8VDC Power Supply


The wires should just attach to the red and black terminals on the radio, strip some wire unscrew the terminals a little wrap behind, and tighten again. Good luck! Or buy some banana plugs and they will plug right in the front

Dec 18, 2008 | Cobra 29 LTD CB Radio

4 Answers

Pyramid - PS21KX 20 Amp Powersupply overload


The problem I have had with a PS-20 is a blown capacitor. Hooked to a radio, would allow radio to receive fine, but when trying to transmit, amperage would bottom out. Behind the transformer is a large circuit board. UNPLUG POWER SUPPLY, remove cover, Undo the two nuts, flip board over, and gently rock the 4700uf capacitors side to side. If they move more than 1/16th of an inch, chances are they are blown. Remove/replace and should be good to go...

Jan 10, 2008 | Pyramid - PS21KX 20 Amp Power Supply Car...

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