Sylvania6842PE M (Monitor only). I moved this unit and when I plugged it into the wall at its new location something popped inside and it will not power up. The green standby light goes on. When I push the power button a relay clicks inside and the yellow power light comes on for a fraction of a second before it goes back to the green standby light. I took the back off as my local supplier only gave me a 30 day warranty and noticed that a green LED flashes on one of the power boards. It glows steady for the fraction of a second the front yellow light comes on. I checked and read 15V on this powerboard at one of the connectors marked 15V but it was only there when the yellow light was on. I cannot see anything damaged although the pop could have been the sound of a capacitor exploding.
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Re: No power up
Hi and welcome to FixYa,
Initially, to my understanding, it is required that plasma TV units when unplugged/power removed should allow sufficient time to dissipate whatever stored electrical energy is present inside, otherwise power supply failure is imminent.
To your concern, you may want to check out this site for possible board replacement.
Good luck and Thank you for using FixYa. Happy Holidays.
If a capacitor blows out, then it is probably having a higher voltage on it than it is rated for. You don't say what the voltage rating was for the original capacitor or what the voltage rating was for the replacement. Did you try to measure the voltage in the 10 seconds before the replacement blew??
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Check that the wall outlet is good by plugging something else into it. Plug the pop corn device into the outlet. Bend the power cord at both ends to see if the unit lights up. If not, you may have a bad connection inside or a bad switch. There also may be a blown fuse inside you could replace.
First, check to make sure the power cable is plugged properly in the back of the monitor and into the surge protector. You can try a different power outlet, but if you're still having the same problem and the light isn't turning on, it's likely you've either blown the fuse inside the monitor, or you had a power surge and blown something inside the monitor. This happens when you don't use a surge protector and just plug the monitor into the wall.
That said, if the above doesn't work then you have a hardware problem with your monitor and it needs to be serviced.
Not sure if this is your problem, but I have seen this with another Dell monitor on three separate occasions. The solution I found was to turn off at the wall power socket, unplug at the wall socket, plug back in, turn on at socket etc and everything was fine. Guess something hangs up somewhere.
Without seeing your make or model on you monitor it is difficult to give you any advice. But with that said.. If your monitor is a flat screen there is a power cord that plugs into the wall the cord is connected to a small box (power converter) out of the box is a small connector that goes into your monitor. It is small and you may have to turn you Monitor over to see exactly where it connects.
Your computer will work whether or not you have Internet service.
first check the wall socket, plug in a lamp or something
the transformer/power-supply unit may have failed(no little light) but since this is first connection to a different point there may be a popped breaker or fuse on the wall socket
My microwave was totally dead. Things I discovered:
1) There is an easily replacable fuse accessed by taking off the top front vent cover (two screws on top, gently massage off) and then the inside plastic grill. UNPLUG before doing this!
2) Pop off two wires on either end of fuse holder for safety. Then pop out fuse and replace.
For more extensive help, there is an evelope with a wiring diagram inside the case on the inside wall! Very helpful when diagnosing the surface lamp problem (I forgot to plug the ballast back in when I closed up the bottom).