Question about Gateway FPD2275W LCD Monitor

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Dell Monitor repairing trobleshoot

I have Dell monitor model no e773s everytime blowsoff horizental out put transistor and blink the front or power led what is the problem ?

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Check for output power from horz transitor. if this ok check diodes for short and replace. check output power after repair.
check that power is right form power supply. if not repair.

Posted on Jul 20, 2008

Buy new moniter

Posted on Jul 09, 2008

Check the circuit of secondary line 1st check the all dioed must be shorted. then replace the horizontal transiistor out put.

Posted on Apr 18, 2008

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My Dell E173FP monitor will not come on. I have unplugged and replugged the cable from monitor to hard drive case as well as the a/c power cord. I have rebooted the computer several times and all I get on...


The dreaded blinking green led without a display, means that the backlight circuit has failed on this monitor. Typicalll the transistors that drive the backlight transformers short out and fail. I have fixed this on my monitors twice. Very common failure for this monitor and can be fixed quite easy if you know how to use a soldering iron and a meter. They even sell a repair kit on ebay that provides parts to repair this monitor. Just go to ebay and search e17fpb repair and to find it. Hope this helps.

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That cap is for the Primary power supply switching circuits. How is the DC secondary side, no blown fuse, shorted transistors in the inverter circuits? Pictures will help, budmrtn@aol.com
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
It may have the same bd as DELL since BenQ makes monitors for DELL and HP.

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Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed DELL monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
Replacement board: www.lcdrepair.us

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Hello,

We have a dis-assebly and repair guide posted on our web site at:
www.ccl-la.com/monitor_repair.htm
The problem is usually the driver transistors, our guide shows where they are and what to replace to get your monitor back running again.

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

Buddy
Corporate Computer
www.ccl-la.com

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Sorry to say but screen needs to be rplaced you can find one on ebay for about $100.

If you find this helpful please rate so.

Thanks

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Replacing transistors would be the last thing in that troubleshooting. First, check all electrolytic capacitors if there are any of them "bubbled", replace those. Next, if there is the fuse used for supplying DC voltage to the inverter area, take it off and check if LED will still blink as before. If there's no such fuse, you can cut the trace, supplying DC voltage to the inverter, another words, you need to unload inverter from power supply and check LED behavior then, if it will stay steady, then next steps will be to troubleshoot the inverter, otherwise, using ohmmeter ring all capacitors and diodes in the power supply part, especially connected to PWM chip at primary side of pulse transformer. By the way, what kind of chip is there?

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some transistors on the board have shorted they supply power to the inverter to run the lamps, they power is not cut off intermittently and the protection circuit has stopped the monitor. the fix is here

http://josepino.com/other_projects/?howto-repair-dell
goo dluck if you want it fixed for you let me know

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1.poewr LED blinking or not.if in case LED blinks one time. problem in LOT .Cheak horzontal Transistor also.
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I am sorry about this but the correct repair for this issue is replacement of 4 transistors on the main power board inside the monitor I just completed a repair on a dell 17 inch monitor it now works flawlessly. the process can be found on the internet and it is very delicate work. if you can all their service center you used then by all means call them,
And just fyi TYPING IN ALL CAPS IS THE SAME ASSCREAMING AT THE TOP OF YOUR LUNG SOO PLEASE STOP AND USE CORRECT NETTIQUET.
you have a nice day now.

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