When powered on, the monitor will display a picture for anywhere between 5-10 minutes before shutting off. After powering it off and unplugging it for 20 minutes the unit will work fine again. Emailed NEC and they said that it's possibly an overheating issue. Has anyone had similar issues?
I have a 61MP1 that wont turn on. I get the green flashing light to signal power but nothing happens with the plasma. You seem to know a fair bit. A guy in UK said he'd supply a new power board for $500 but wants my old one in return. Sounds like it might be something I can fix here. Any suggestions. Barry
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Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Here is the link for the user manual if you need it;
Check page 54 of the manual (61 of the pdf) right at the bottom.
The lights you have indicate that either the power supply citcuit, the screen, or one or more fans have been damaged.
If you are sure all the fans work, then the power supply is the only repairable posssibility. replacing the screen is not worth it.
The fact that the fuse blew but doesn't blow again makes me suspect one of the transformers or capacitors in the power supply has blown, causing the short that blew the fuse, but also then melted the short so it no longer blows the fuse.
If you have a multimeter, and ideally an ESR meter, with a good photo of the power supply unit we can hopefully talk you through what to check - otherwise get a repair shop to look at the power supply.
Hope this helps :)
The monitor have problem in vertical section of the board.Maybe the vertical output or any parts around the vertical ic is loose connection circuit,what we called,cold solder so its better to resolder the board at the vertical section.
It is the picture picture board on your monitor that is
malfunctioning, since the power led or button is on, but the display screen goes blank after few seconds, it means the
board of your monitor has developed fault.
The best thing for you
do now is to take the monitor to a local repairer within your vicinity
or any service center
to help with the replacement of the picture board
because the fault is not something you can fix yourself, in order not to
Dell monitors automatically go into power-save mode after a preset
amount of time when the computer is inactive. The Dell monitor will go
completely black, instead of showing a screensaver. This doesn't mean
that your Dell computer
has shut down. Instead, this allows your monitor to essentially turn
off until it's needed again. You can change how long it is before the
Dell monitor goes into power-save mode by changing your display
any key on your keyboard or move your mouse. Either will turn off
power-save mode. Alternately, you can press the power button on your
Dell computer tower or laptop.
any key a second time if the monitor goes from power-save to stand-by
mode. Stand-by mode allows the screensaver to appear.
your user name and password into the login prompt if your computer
requires a login. Press "Enter" to begin using your Dell computer.
the display settings on your Dell monitor to prevent your monitor from
going into power-save mode prematurely. Right-click anywhere on your
desktop and choose "Properties." Click the "Screensaver" tab and press
"Power." Beside "Turn off Monitor," choose a time amount from the
drop-down list and press "Apply."