Guys I’m just starting off and I need to find a power supply replacement for this device.. I’m confused as to what this diagram is saying it’s not an input and output , it’s a non static power supply ? What exactly is it saying trying to find the power supply box that will work with it …

 

Appears to be a SMPS (switch-mode) power supply DC 20VDC @ 2.5a

 

It has a 20Vdc., 2.5A output with the output cable having the plus polarity on the plug center terminal.

 

These are very similar specs to a typical laptop power brick, which you can find for free at any electronics recycling center. Just sayin'

 

Appears to be a SMPS (switch-mode) power supply DC 20VDC @ 2.5a

so I can google that and try to track one down ? The manufacture wants $250 for a replacement!!

 

These are very similar specs to a typical laptop power brick, which you can find for free at any electronics recycling center. Just sayin'

I need exact it runs a medical device that’s 2k

 

Apparently the FFC reg attached to it is concerning the objects desired inability to emit radio waves.

 

I need exact it runs a medical device that’s 2k

Then the power supply likely must satisfy the same or similar regulations. A DIY supply won’t be approved for a medical device and likely opens you up for a variety of issues. Protecting you is why the replacement costs $250.

Just sayin’

 

I need exact it runs a medical device that’s 2k

A well-designed device doesn't rely on precision output from a power supply. Of course there's no guarantee that your device qualifies as "well-designed", so caveat emptor. Personally, I wouldn't hesitate to power a laptop (worth more than 2k) with a properly rated brick from another laptop. I consider the power rating more important than any slight (<1V) difference in voltage. Of course you need to check and double check that the power pins have the right polarity.

 

There are some laptop supplies that provide 19.5v at 4 to 5A. Odds are they would work just fine in your case. Laptop supplies have to meet FCC regulations for “noise” as well.
You may have to change the tip/plug however. Make sure you leave all ferrite cores on the cable (large cylinder bumps on the cable, near the end)

 

There are some laptop supplies that provide 19.5v at 4 to 5A. Odds are they would work just fine in your case. Laptop supplies have to meet FCC regulations for “noise” as well.
You may have to change the tip/plug however. Make sure you leave all ferrite cores on the cable (large cylinder bumps on the cable, near the end)

In addition to making certain to keep all of the ferrite cores on the cable, it is important to be sure the polarity is correct. And the device should work OK from 19.5 volts.
Why is half of the label in the photo blacked out?? Has that power supply failed?? Or been damaged??

 

Why is half of the label in the photo blacked out?? Has that power supply failed?? Or been damaged??

Photographers shadow !!

 

Test, diagnose FIRST !

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You choose one with a matching plug, or transplant the one going out of commission... If it is bad. Test, diagnose first !

 

Certainly this is a reasonable price, but certainly it would need to be tested first. Use a umber of incandescent lights in series as the load and let it run for a day or two, checking the voltage occasionally. Justuse enough lights to draw the specified load current.