All Questions
Tagged with damage power-supply
10
questions
0
votes
2
answers
86
views
Possible degree of damage to PSU
The following PSU accidentally got 400 V instead of 230 V at J6. There is a fuse built into the power switch, which is connected to J6. The fuse blew on the original incident. Trying to replace the ...
1
vote
2
answers
573
views
Which components tend to damage first of a power supply for high voltage?
Which components tend to damage first of a power supply for a voltage spike or surge?
0
votes
0
answers
64
views
Can I use an Apple charge Cube (5W power) through a Ripcord 9V to USB to feed a Roland SP 404 (2.7 W draw) Safely?
I am asking this as I want to be extra sure this setup does not damage my 404 Sampler as its an expensive item of mine and it's very dear to me so I want to be careful. Here is the scenario:
I have ...
0
votes
2
answers
1k
views
Is this Bad Capacitor repairable on this power supply?
A capacitor blew on my B-Tron 16-8-1 power supply.
When I removed the cover and unseated and reseated the fuse. The power supply began to function again. BUT the power it was giving to each channel ...
5
votes
2
answers
581
views
How long can equipment go unused before powering up runs the risk of damage?
I have an older solid state radio transceiver I want to power up but I understand that electrolytic capacitors loose their function after a long time of non-use. There are articles about reforming ...
-1
votes
1
answer
618
views
Power Supply Response to Sinking Current/Overvoltage
Please consider the following circuit where voltage sources V1 and V2 are regulated linear DC power supplies:
From the simulation V1 will sink 2.5A of current provided by V2.
Questions: What will ...
-3
votes
2
answers
668
views
Can ungrounded power line damage computer components & networking devices? [closed]
I live in a rented house and it's electrical wiring doesn't have a ground line. I'm using 3-pin plugs with 2-pin converter. I have desktop computers, laptops, wireless routers, network switches etc ...
0
votes
3
answers
332
views
Just making sure I won't fry my motherboard?
I'm building this circuit, which converts a toggle switch to a momentary one, which sends a key to a USB keyboard PCB by connecting 2 contacts together:
I just wanted to check, how do I know the ...
17
votes
5
answers
58k
views
Can electronics be damaged by undervolting it?
I was wondering if there are some particularly important mechanism by which one can break electronics, when undervolting it. Its pretty obvious that lots of electronics will not work properly if ...
1
vote
1
answer
1k
views
Is it safe to keep on using AC adapter with a damaged output capacitor?
I was experimenting with my universal laptop adapter (Meind 100W) and when I switched it to 34V mode (while official max is 24V) the capacitor (25V) popped (the top opened and some white fibers spread ...