Question about SKB Corporation Skb Ps-45 Professional Powered Pedal Board W/hard Cover

Open Question

Do i have a blown fuse in my skb ps-45?

Im getting no power at all. It literally worked the night before now no power what so ever. Any ideas?

Posted by on

  • Bobby Byars
    Bobby Byars Mar 25, 2014

    I have no power from my skb pedalboard. It works, then stops. As if its totally dead. It has happened twice, the second time it completely powerless. Any ideas?

×

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

What is botox training meant for?


Training in dermal fillers and administering injections is the main aim of botox training.

Sep 02, 2013 | SKB Corporation Skb Single Drum Cases Skb...

1 Answer

Muffled Sound From Speakers.


Please illuminate me explaining the word "Muffled" means and i will be glad to help you out...

Feb 10, 2013 | JBL *new* Jbl Jrx115 15" 2-way Speaker...

1 Answer

Brand New Ampeg Ba 600 210. Only Used durin 2 shows. Sound is awesome. Go to use it this weekend and absolutely no sound at all coming through the speakers. Compression, eq and Everything else working when...


Another person posting on here I suggested opening his unit and he had blown speakers. I think these that are DOA after previous use may be blown during the previous shutdown of the amp driving them and those with built in amps are blown when mixer is powered down putting out a large pulse. Hopefull the amp is blown rather than the speakers... cheaper to repair. Open and check for a fuse, but dont' replace it until you find out the cause of it blowing as additional damage can occur.

May 15, 2011 | Ampeg BA600-210 Bass Combo (with )

1 Answer

My amp, was working fine last night, it wont turn on, and i tried switching guitar, cables, even power supplys and still wont turn on, i heard a pop last time i used my amp, and then the signal was lost...


The unit will require repair and if you are not adept at electronics, you will need to take it to a shop. Likely there is failure in the power supply or amplifier that has blown the fuse. Replacing the fuse WITHOUT repairing the cause MAY do additional damage.

Dec 28, 2010 | Fender Hot Rod Deluxe Guitar Combo...

1 Answer

Srm350 active-2 internal fuses on pcb-one had blown replaced it turned power on but it blew again-any ideas-it was working o.k. then blue light went off-still power to speaker


Either a short in the power supply such as diode(s), capacitor, or transistor(s) or in the power amp. It will require service. Replacing the fuse before repair will likely damage more components... don't do it!

Nov 28, 2010 | Mackie Srm 350

1 Answer

No Power at all. Fuse blown-Burn smell from fan area.


You did a lot of damage, and replacing the fuse and trying it has caused much more.

There will be about seven blown parts on the amp and a dozen on the power supply. To give you an idea of the extent, the WHOLESALE parts cost is roughly $50, including the main power supply switchers IGBT's which cost nearly $20 for the pair by themselves.

I have repaired several of these and the larger cousin the PMP5000. It is a lot of skilled work to repair these.

The cause is a marginal insulation between layers of the multi-layer amplifier board. Usually the rearmost amp arcs between the layers. This fries three big switching transistors followed sometimes by a metering resistor and two small surface mounted transistors. A zener diode often goes. The cancer and burned area has to be ground out with a dental drill and new wire replaces the blown circuit traces.

If you are under warranty, take the unit for replacement.

The thing that can arc the amp is if speaker leads are marginal or get pulled out while under power. Excessive volume, especially pulses at high level can break down the insulaton causing the arc and failure. The black smoke is likely from the metering resistor.

Jul 30, 2010 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

I just recently purchased a Frontman amp about 11 years old . It started to blow fuses then a very loud buzz without any input no output. Is it worth the fix?


Assuming the fuse being blown is in the power supply, it's common for high output amplifiers to suffer from dried out capacitors. The really big main filter caps on the power supply board. The caps themselves often show a bulging of the body and can literally explode if the unit is left on.

If that is all that's required I'd definitely get it fixed as any tech worth his salt should be able to change them in a short time. Actually getting the correct value capacitor may cause a hold up but they are available.

I guess whether you go ahead is a matter between you and your wallet or wife :-) but I certainly wouldn't condemn the amp just yet.

Apr 21, 2010 | Fender Frontman 65R 65W 1x12 Guitar Combo...

2 Answers

Hi im in Argentina and i accidentally pluged in my amp without an adapter now it doesnt work what needs to be fixd?


The power supply is blown. Argentina is 220V I believe. I have never seen a power supply schematic for this however being that it is low power it is a linear supply not switching. Either the rectifier diodes are blown out or possibly the output capacitors are blow due to approx double voltage. If you try this yourself be careful otherwise get a new amp. Good Luck

Dec 14, 2009 | Marshall MG10CD 10 Watt Combo Amplifier

1 Answer

Something has blown?


The output transistors may have shorted and caused a resistor to smoke (literally!!). This should not be too expensive a repair for anyone that works on these amps. Figure on $20-$30 for parts.

Dan

Feb 23, 2009 | Marshall Mg100dfx 100-Watt Combo Guitar...

Not finding what you are looking for?
SKB Corporation Skb Ps-45 Professional Powered Pedal Board W/hard Cover Logo

Related Topics:

46 people viewed this question

Ask a Question

Usually answered in minutes!

Top SKB Music Experts

Vito Vacirca Jr.

Level 2 Expert

140 Answers

yadayada
yadayada

Level 3 Expert

75117 Answers

kakima

Level 3 Expert

102366 Answers

Are you a SKB Music Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...