Question about Envision EN7410 17" LCD Monitor

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En7410 won't turn on

I replaced two 470uf caps and the 2a fuse now the fuse blows

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DONT WASTE YOUR TIME AND MONEY THE PCB(POWER CONTROL BOARD IS BAD YOU WILL BE BETTER OFF BUYING A NEW MONITOR)

IF you do find the power control board replacement and get it to work i think you would have better results spending the same amount of money on a new monitor with all new parts plus warranty

Posted on Jan 16, 2008

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Hello,

The problem you have is caused by one of two things, either a blown power supply in the backlight inverter or bad backlight bulbs. More than likely it is the bad power supply. The problem in the power supply are parts called capacitors, they blow out because of the heat trapped inside the monitor enclosure. If you can solder you should be able to repair this type of problem. You can go to our web site at: www.ccl-la.com/badcaps.htm we have pictures of what the capacitors look like when they blow out. Take the case off the back of your monitor and look for any that look like the pictures. Replace all of the ones that are bad, the values of the caps are printed on the side of each one. You can order replacement caps from several places on the internet or contact us and we can supply them for you. When installing the replacement caps be sure to insert the new ones with the stripe on the side going the same way. If you don't want to do the repairs yourself we offer a repair service. If you have any additional questions just email me.

I hope this helps, if so please rate my solution.

Buddy
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Once you identify the capacitors, use a fine tipped soldering pencil to melt the solder holding the capacitors in place and remove them. Position the new caps with the dark stripe matching up to the lined marks on the board, carefully apply just enough solder to each terminal to hold the caps in place. Reassemble and you're done.

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Fuse blows


once the caps blow they usually take out the driver ic too.
check across your power to the amp with ohmmeter
when you find the issue it will drop to around 20 ohms in one direction.

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