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if your talking about a speaker that is powered by a speaker it dont have one but if you talking about a seperate powered speaker it will be located around where the power supply is where you see the power chord going into the speaker inside you should find it around there.Im guessing your speaker isnt powering on am i right if i am you are doing the right step in diagnosing your speaker this is the first thing i'd investigate.
Check the power-connector on the speaker for the rating:
* AC versus DC
* 4.5 versus 5 versus 9 versus 12 versus 18 volts
* 0.5 versus 1.0 versus 1.5 amps
* pole-negative-ring-positive versus pole-positive-ring-negative
Try the local "Thrift Stores", once you have the specifications. You may get the correct suppy for less than $5.
Surge has possibly fried the PSU. Depending on the severity, you may find other components are damaged on the motherboard. Best way is to test with a known good PSU
Assuming something in the computer didn't mysteriously go bad during the move, there are two possibilities. First, make sure the signal cable from the speakers is plugged in to the right place. You may have plugged it into the microphone input or line input jack by mistake. Second, be sure the speakers have power. Most speaker systems require AC power, either from a plug-in adapter or a built-in supply that needs an AC connection. (Some newer systems come with USB-powered speakers that don't need an external adapter.)
A remote possibility is that in the move, the speakers got bumped enough to disturb connections on the circuit board inside. The amplifier chip in the speaker case gets hot (especially if the volume is turned way up), and the heat can degrade solder connections, and sometimes cracks form. The move may have caused connections that were iffy to go bad. But this isn't very likely.
You'll probably find it to be a very simple missed connection. Good luck, and thanks for using Fixya!
Not much you can do with the old power brick to check it. They are all usually sealed in there boxes. Yousure the supply is bad? How did you get to that conclusion. The audio is just usually just an external set of speakers inside the monitor. However if they are boosted then an amp may be inside the monitor. taking power from the supply brick. Is that what your conclusion of a bad supply is from?
If you have the orginal power supply you can go to radio shack and buy a converter to acess it or they can find a converter that runs off 110 voltage so yuo will still be able to chagre and use the device, about $20.00
Thanks,, I have many converters, just didn't know which one
Is the outside of power plug + ?
where can I purchase power cord?
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