Question about Relisys RLT1720 17" LCD Monitor
Hi, Whenever I turn on my monitor it displays the computers output briefly (~half a second) before going blank. I have tried the monitor on two other computers with the same result so it is definetaly not a computer problem. The power light on the front of the monitor stays green when the screen goes blank. Whenever I turn the power off and back on again the exact same thing happens. Help please!! My screen goes blank after about a minute.
SOURCE: problem in monitor
I had the same problem. I found recommendations here and on other sites that I needed a new backlight inverter / power supply. I found exactly what I needed at this site: http://www.lcdrepair.us/ part number: E173FPCPWR. The have pictures of the exact card you need you need to by. Mine cost $50 plus shipping ($14.69) (ugh!) I just installed it today and it's working great. You need to feel comfortable popping the back of your monitor and working with little screws and connectors. You may find the part cheaper online. Sure beats buying a new monitor.
Posted on Apr 13, 2007
Hi, I have the same problem, I have also tried with differents OS with out any improvement. What I do now and works is when the monitor is working I play a video/movie and let it run in the background with muted sound, I works good, never turns blank whit this trick,I Use Totem player on Ubuntu (Linux), but it might work with other players and platforms.
Posted on Feb 25, 2008
I found a bad 25V 1000uF Cap in my monitor and for $2 from Radio Shack I replaced it and it is working fine now. Thanks for your help.
Posted on Feb 29, 2008
I am not familiar with your particular model, but I do know what the problem is.
The inverter that runs the lights behind the screen is faulty and needs to be repaired. The lights shine from the top and bottom and reflect outwards through the panel so you can see what is on the screen. If you start the computer up, then shine a bright light into the panel you will see an image on the screen, but very feintly.
This can be cheap, it can also be expensive depending on where you go to get it repaired. Call aorund to a few TV shops in your area to get a rough idea on prices.
Hope that helps =)
Posted on Apr 11, 2008
I just fixed my Viewsonic VA902b, here is how.
1/. Remove the LCD housing
2/. Remove e Main Power supply (label the 4 connectors for the 4 lamps before you unplug them)
3/. Locate the 1000uf-25v Cap (i think c806) check the top of the cap, if the top is buble up then replace it. I replaced my with 1000uf-35V 105 C, use the cap with long leads, solder it to the PCB and lay the cap down away from the heat sink (there should be plenty of room)
4/ check all solder joins, if it look like cold joins simply re-solder it
5/ when you are done, you can apply power to the board and check for the voltage at the cap, it should read about 14.7VDC
6/. Re-install every thing and it should be good to use again
Please pardon my english. Good luck to all
Posted on Jun 26, 2008
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