My viewsonic lost a cap no 1000uf @ 16volt after replacing that cap the screen came back on but know has a half screen and on the other side there are about 50 colored lines that are vertical from top to bottom any help would be great [email protected]

Here is a picture with the 1500uf cap circled in red. It really is best to replace all 7 capacitors with 25v parts not the original 16v ones, one later power supply builds they did this because the 16v caps failed to fast.

open the back and look. Mine has 4 10volt 1000uf capacitors that I plan on replacing tomorrow. I'm going back with 16volt 1000uf high temp capacitors so they don't go bad again.

sgcb1971, There are lots of pics on web for you to view and then you will know what to look for. Electrolytic filter capacitors are not to hard to spot on a "switch-mode-power-supply"/"ccfl inverter supply" combo board. Why don't you visit YOUTUBE for some video clips of "lcd monitor disassembly" and "lcd monitor repair" . Also try www.ccl-la.com/badcaps.htm for more clues as to just what to look for. Ya know , you need a soldering iron to replace them if they are bad!!! It's not like changing batteries in a flashlight 12fixlouie

Common failure is the caps in the inverter/power board, look for caps with bulging tops, see example of failed VIEWSONIC monitor due to bad caps: http://s807.photobucket.com/home/budm/allalbums

You need to replace the power board,Or replace the capactors on it.
Replacing the capactors is the best idea.They are under rated at 10volt insted of 16volt or higher. They cost less too. If you replace the board,you will still have the same problem again later. They are usualy 680uf 10v,1000uf 10v,2200uf 10v,and 3300uf 10v. Replace them with the same uf but 16v or 25v EXPANPLE use... 1000uf 16v or 1000uf 25v
They are polorised Blak spot on board is the - side of cap. Stripe on cap is -. The caps. swell if they are bad. The tops round out,or the X on top breaks anfand black or brown goo comes out. Top should be flat. It I can assist you further please feel free to ask. [email protected]

it seams the dell monitors have bad componets installed on the inverter/power board in side the LCD monitor there are 2 transistor part# c5705 that go bad and this is caused by bad caps 1000uf 16volt, 470uf 16volt, If you open the monitor case there are 2 small board the one you need to look at is the larger one.if you can solder in the replacment parts you can fix it for under 15.00 dollars. Or you can get the complete board for 39.00 dollars bluestar international has all the parts instock.or lookup this number to order ther whole board yahoo search for 715l1074-h will give you a lis of site that sell this part.I repair these board every day this is as common a problem and all dell flat screen will see this sooner or later the new parts are better then original and cure this problem making dell a good LCD monitor without any more problems

2- 10 volt 1000uf and 2- 16volt 1000uf (uf = microfarad)

tell him to get 2 at 16 volt and two at 25 volt , 16v on the old 10 volt and 25 volt on the old 16 volt

Just as an FYI I have had the same problem with two of these units. Both purchased at the same time. First one went and would not come out of standby for a long period of time, then would not display on boot up. About 3 months after the first one started having the problem the second one was doing the same. Upon taking apart the second one I noticed two capacitors (250 micro farad, 25 volts) on the power supply at the connector going to the main board had a bulge. I decided to take the first monitor apart as well and the same two capacitors had problems. I replaced these with new capacitors and both monitors are now working like new. So in this case it was a power supply issue not allowing the monitors to wake up. This makes some sense since the problem started slowly at first then got worse and worse over time until there was no display no matter how long I waited. Since both were out of warranty I had nothing to lose. Hope this helps.

F09 means 5 volt regulation problems
At the back left corner of the dvd draw on the power supply board there are 2X capacitors C1260 10 volt 1000uf and C1262 10 uf 1000uf .Replace them .Problem solved

Having the same problem, storm the night before? Mabye lighting