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My Samsung SyncMaster T220 does not display correctly. I can just about see a very faint image behind the black screen when I press the menu button. When I perform the self test (unhooking the VGA cable and turning on the power)the screen is a completely blank.

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M_r_murphy, The T220 may have developed an internal ac to dc "switch-mode-power-supply / CCFL inverter supply" power problem an you may need to need to have it repaired, Look into warranty or outside technician to refurbish the unit's SMPS/inverter!!! From your description, I believe that the SMPS is in "partial shutdown" mode!!! (no 12 to 14v dc) to power-up the "cold-cathode-fluorescent-lamps" that enable you to see the text and graphics that you already know are being displayed on your lcd panel!!! (+5vdc or 3.3vdc rail still alive!!!) You have "black screen" symptom!!! NOT BLANK n BLACK screen!!! There are lots of DIY videos on YOUTUBE to help you decide if you can attempt a cheap (<$20usd) repair to your unit. Do some reading in my old fixya profile (louie12fix) and visit some of the links you find there. Because your T220 isn't any different than any other brand of CCFL back-lit lcd display in it's basic design and operation you should be able to fix it. Get back to me lmistyrel on aim or do additional comment to this original post here on fixya with info on your next step to repair this unit.
All the other ccfl back-lit lcd monitor tech's on fixya already know what's wrong inside your unit!! Do your research first!! Bye for now, 12fixlouie

Posted on May 07, 2010

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Fainted image on screen


ltaufer, My best guess is monitor has partial shutdown of the internal "switch-mode-power-supply"/"CCFL inverter supply that lights-up the fluorescent lamps that provide WHITE LIGHT so you can see all the pretty colors on the LCD glass panel. Your monitor falls into the BLACK screen failure type. (no backlight) Full shutdown mode=BLACK and BLANK. Read more of my FIXYA profile to discover all the options you have to get it repaired and not ripped-off. Your CCFL backlit LCD monitor no different than any other brand of LCD in it's basic design and operational principals. Read, read, read!!! You must find out two things first. Not just WHAT failed, but also WHY it failed. Follow the links in my profile to other web sites!! Livio, This is my response #200 on fixya dealing mostly (98 percent) with BLACK screen problems. If you find this response helpful, please return to rate it in a few days. 12fixlouie

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