Question about Miller 903777012 SPECTRUM 2050 PLASMA CUTTER

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Power light blinking fast and voltage is fluctuating on load side of system and no power to handle

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The machines that I have seen do that need the main circuit control card assembly. It is not a cheap circuit board either.

Posted on Nov 07, 2009

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Posted on Jan 02, 2017

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What's the difference between a surge and a spike in voltage?


A spike is an increase in voltage for 1-2 nanoseconds.
A surge is the increase lasts 3+ nanoseconds.

Feb 05, 2014 | Electronics - Others

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Blinking Green Light on Mitsubishi Projection TV


Continuous blinking green LED on Mitsubishi's Projection which normally blinks after a power surge means that the microprocessors inside the unit are unable to communicate with each other. Usually Mitsubishi's Projection TV use 1000uF/16 in the DM MODULE (which is one of the two microprocessors), as these capacitors are too small for the load they get they usually fail usually after about 3-5 years.
4484a9b.jpg

They might also fail due to voltage fluctuations. To resolve this issue these capacitors should be replaced with 1000uF/25 volt or 1000uF/35 volt capacitors, so that they can handle any voltage spikes that will occur. To do the repair you’ll need to take the back off the TV apart in order to remove the faulty DM module and need to desolder the old capacitors on DM board and install new ones. All this is only recommended to be done by someone who has electrical expertise.

on Jan 10, 2010 | Televison & Video

2 Answers

2000 sebring convertible 2.5l. compressor not getting power


check if this is a power wire or earthing wire, do a continuity test , one to chassis ,one to power , if get no continuity then the wire has a break in it somewhere

Jun 07, 2017 | Chevrolet Cars & Trucks

1 Answer

Why do i get power at the 120v outlet but nothing works when its plugged into the outlet


It sounds like a bad neutral wire. Somewhere the neutral is not properly connected. Most residential wiring operates on a 240 single phase system comprised of two seperate 120 volt legs. Connect between either leg to the neutral gives you 120 volts.connect btween the two legs gives you 240 volts. If the neutral is not present the circuit will search out the other leg to try to complete the circuit causing dimming of lights extremely bright lights and all around chaos. Check ahead of the main to see that the voltage is correct. Check each leg to neutral with a voltage tester. Have some one turn some lights on and off while checking as sometimes a load is required to get fluctuating readings. If the reading fluctuate wildly the problem is between the power grid and the panel. If not recheck on a a couple of breakers and if the readings fluctuate it is on your side of the system.
. Hope this helps
. Bob

Nov 21, 2011 | CUTLER HAMMER BR4040B200V BREAKER CIRCUIT...

1 Answer

I plugged in the tv and the green Timer light keeps flashing and tv won't go on. Help!


Hi


Thanks for using FixYa. Continuous blinking green LED on Mitsubishi's Projection which normally blinks after a power surge means that the microprocessors inside the unit are unable to communicate with each other. Usually Mitsubishi's Projection TV use 1000uF/16 in the DM MODULE (which is one of the two microprocessors), as these capacitors are too small for the load they get they usually fail usually after about 3-5 years. They might also fail due to voltage fluctuations. To resolve this issue these capacitors should be replaced with 1000uF/25 volt or 1000uF/35 volt capacitors, so that they can handle any voltage spikes that will occur. To do the repair you'll need to take the back off the TV apart in order to remove the faulty DM module and need to desolder the old capacitors on DM board and install new ones. All this is only recommended to be done by someone who has electrical expertise. Please rate the solution if the issue is resolved or post a comment for further assistance.

Thanks

Rylee

Oct 26, 2010 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

I Have a ws-155588 model hdtv abd gave had the green blinking light for 3 days and can not get tv to come on andy suggestions? I have hit the reset button many times


Hi


Thanks for using FixYa. Continuous blinking green LED on Mitsubishi's Projection which normally blinks after a power surge means that the microprocessors inside the unit are unable to communicate with each other. Usually Mitsubishi's Projection TV use 1000uF/16 in the DM MODULE (which is one of the two microprocessors), as these capacitors are too small for the load they get they usually fail usually after about 3-5 years.
8a31e34.jpg

They might also fail due to voltage fluctuations. To resolve this issue these capacitors should be replaced with 1000uF/25 volt or 1000uF/35 volt capacitors, so that they can handle any voltage spikes that will occur. To do the repair you’ll need to take the back off the TV apart in order to remove the faulty DM module and need to desolder the old capacitors on DM board and install new ones. All this is only recommended to be done by someone who has electrical expertise.Please do rate the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Aug 10, 2010 | Mitsubishi WS-65513 65" Rear Projection...

1 Answer

Can't get power to TV. The green light continues to blink. I have disconnected all the cables in the back of the TV and unplugged the TV overnight and the green light continues to blink once I put power to...


Hi


Thanks for using FixYa. The green LED on the front panel of the TV that normally blinks when turned on after a power failure or when unplugged: the green light is supposed to flash for about 1 minute while both microprocessors boot up: If it won't stop blinking it means that they aren't communicating with each other. This issue is due to 1000uF/16 volt power supply capacitors in the "DM module" (one of the two onboard microprocessors). These capacitors are apparently small as compared to load they get & due to this they will eventually fail (usually after about 3 years). Or else they fail when there are voltage fluctuations in the circuit above 16 volts. It is recommended to install either 1000uF/25 volt or 1000uF/35 volt capacitors as replacements, so that they will be more than ample to handle any voltage spikes that will occur. To do the repair you’ll need to take the back off the TV apart in order to remove the faulty DM module and need to desolder the old capacitors on DM board and install. Also check the grounding straps which are essential to the proper functioning of the DM module. All this is only recommended to be done by someone who has electrical expertise and know how to solder/re-solder components else contact a qualified repair tech and let them know what the exact issue is with your TV. Please do rate the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Jun 11, 2010 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Wont power on


thers an open resistor near power supply secondary section,supply voltage to 5v and 12v to system control ic, or check the vertical ic for malfunction

Sep 14, 2007 | Sony FD Trinitron WEGA KV-34HS420 34" TV

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