Question about Pyramid Ps-52kx - 52 Amp 12-15v Ac To Dc Power Supply

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Power supply smoked capacitor

Unit started sizzlin' at caps-turned off quickly by me.

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Recommend contacting a local car audio professional or Pyramid customer support directly here:

power supply smoked capacitor - helpful-j2fqtt4x4km4a1x1cbly0mof-5-0_10.png

Posted on Feb 10, 2018


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The screen has blacked out, it still has sound but no picture. It also started smoking from the back.

Turn off and unplug from electrical outlet. Indicative partial power supply failure , possible video component failure ( ie. capacitor/resistor/diode/SCR/ect ). Quick reaction may avoid further more costly damage.


Doc Michael

Mar 07, 2011 | Televison & Video

1 Answer

Heard a pop and then red light flashed 6 times then repeats. Installed new light bulb, already replaced housing door from previous problem. When starting back up, lamp indicator flashes.

Okay sounds like a power supply problem. The "Pop" was probably a Blown Capacitor. Did you smell smoke or see smoke? I would check the power supply. If your not familiar with changing Capacitors. leave it to a pro. If you decide to tinker with it . Make sure its unpluged and Electrolitic Capacitors. are drained. Look at the Capacitors they will look like tiny soda pop cans. The good caps will have a flat top the bad caps will have a protruding bulge on the top. and probably have a yellow leakage on top. Don't mistake factory glue for cap ooze. factory uses glue to hold components so to solder them.
Hope this helps.
Be careful . I can't stress this enough. Unplug the thing first,.
Normally you would unsolder the cap and test it. Caps can blow out with no sign of bulge on top.

Dec 26, 2010 | Sony Grand WEGA KDF-60XBR950 60" Rear...

1 Answer

TV was on, heard sizzling sound from back of set, smoke came out and quickly dissipated, turned off . . . afraid to turn back on. is it fried? how can i check?

More likely to have burnt out power supply module, leave it unplug!. You need to look inside at the power supply module (the part where the power cord is attached to).

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
Failed TV and Monitors:
Learn about bad caps:
Capacitors kit: he can make you a set of caps.


Please post back what you find.

Nov 24, 2010 | Element Electronics FLX-3211B 32 in. LCD...

2 Answers

LG L196WTQ monitor just quit working. won't turn

Look in the power supply section first for bad caps, post back what you find inside, pictures will help a lot to guide you through, see example of failed monitors due to bad caps:

Jan 24, 2010 | LG L196WTQ Monitor

1 Answer


You have a faulty power supply.
If the TV is smoking , do not turn it on anymore.
You need to replace either the whole power board, or the capacitor (s) that had blown.
Here all parts for your TV: KP61V80

Oct 29, 2009 | Televison & Video

1 Answer

I have a Panasonic dvd recoder with hard drive model #DMR=E85ZHP. It seems to not be getting power to it. It had been working fine, then the word checking scrolled across the front of the unit, then it...

Quick look up open up unit and look in the power supply for a capacitor that has bursted (top popped off look at cover underneath for coke like substance) if this is the case you need to change the cap out quick fix if not a power supply will be needed and if I remember the E55 Power Supply is NLA from Panasonic

Oct 04, 2009 | Panasonic DMR-E55 DVD Recorder

1 Answer

Powers supply led flashing computer will not start

First, ensure that everything is seated properly in its respective slot. If problem persist, examine power supply ensuring that they are no blown capacitors in the unit. Often, blow capacitors will not hinder a PSU from starting when the power supply is JUMPED. However, when installed on the system board, the faulty capacitors will quickly render the PSU useless.
I am going to bet on your psu as being the culprit.

Sep 28, 2009 | Computers & Internet

1 Answer

PC powers on but no video

Loss of video is one of 3 things.
1) Bad or loose video card - But you get normal sounds (you can hear the Windows sound when starting up) and normal beeps. Does not sound like your problem
2) Bad or weak power supply unit (PSU). Sometimes it appears that a power supply unit is working, but in reality it is not getting enough power, usually due to some bad capacitors (caps) inside. If you swap out the power supply you have to put one with the same or greater output watts in it. Output watts can be found on a sticker on the outside of the PSU.
3) Failed or failing motherboard (mobo). This is usually caused by failing capacitors (caps). Caps look like little soda cans and they should be perfectly flat on top and not bulging or swollen or leaking anything. Visually inspect those. A bunch of computer manufacturers and power supply manufacturers got bitten by a company that years ago was making poor quality (but cheap) capacitors. Seems this company stole the recipe for the capacitors but didn't quite get the mixture right and after 2-3 years these things started failing. I have seen several e-machines with this problem.
So in my opinion you have either a weak or bad power supply or a failed or failing mobo. What is happenning is that the computer does not make it through the Power On Self Test (POST) and that is why you hear no beeps and get no video. SO I beleive that you have situation 2 or 3 mentioned above. That is where I would start looking for your problem.

Apr 30, 2009 | eMachines W3118 AMD Sempron 3100+ 1.8GHz /...

1 Answer


On vcr power supplies usually first component to go is a capacitor, check if its blown, or test it if you have a meter capable, next check diodes and resistors, also check the resistors and diodes on all the boards( they may have blown if a cap has blown) If there was smoke or a smell its usually a resistor to look for. When you replace them replace them with a higher votage cap.. Example 15v 1000uF cap with a 25v -35v 1000uF cap( this is just to avoid the problem from happening again.

Jan 22, 2009 | RCA VR629HF VHS VCR

2 Answers

My RCA TV 52inch HDTV makes a sizzlin sound and shuts off by itself

Your HV transformer (flyback) or HV block is cracked those are common problems with that model. If you want to do it your self heres a link that can help you. go to their site and leave an email about your symptoms.

Apr 03, 2008 | RCA D52W19 52" Rear Projection Television

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