I have an Acer LCD Monitor X221W. When I turned it on this morning, it made a sizzleing noise and will not work at all now. I purchased the monitor on November 20, 2007. Can I get a replacement? I purchased it from the Micro Center in Dallas Texas.
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hi the cause is screen back light not working properly. you need to remove the back cover of the monitor to access the internal part of the monitor. then look for the connector of the cold cathode fluorescent tube back light going to the power inverter board of the back light you will noticed a dry joints which cause a loose connection that is why you hear a sound that cause of spark. you need to re soldered the connector or replaced if totally burned.
Safety note: For best safety practice, unplug the unit
immediately. If you want to try and diagnose and/or repair it yourself, at
least move it to an open area free of anything that could flame up in case of
sparks or a fire.
Mr. McLellen could be correct about the failing solder
joints. Since the symptoms increase as the unit heats up, I suspect it is more
likely an electronic component failure. The specific symptom you describe is
common in transformers with electrical shorts or with a cracked frame. Insects may also be the cause.
Some are specifically attracted to warmth and electromagnetic fields. To rule
out insects, take sample whiffs around the vent holes on the back of the unit
after it starts crackling and flickering. Electrical burns are distinct from
most other types, especially roasting critters.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on: Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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 ACER monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/ Post back what you see inside so we can guide you further and it will help out other people in the future also.
You need to check the power secton to see if you do have 5vdc (for logic) and 12~18vdc (for backlight inverter) in the power supply first.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, 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 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
leanish, Yes, your lcd is a viable candidate for REFURBISHMENT! Only I left out the word "MAYBE". YOUR words "on for a couple seconds" is the clue that places you into the "viable" catagory! Your stated symptom is CLASSIC of many thousands of other lcd owners whose screens are now BLACK and lifeless. Now for the FIX it part. First thing to do is visit YOUTUBE! FYI to help you make a decision to do the repair yourself or contract out the work to get your x221w back ONLINE. Search and view the longer vid clips of "lcd monitor disassembly","lcd monitor repair". Learn what internal components on the "switch-mode-power-supply" and "inverter circuit" cause the CLASSIC symptom refered to as the BLACK SCREEN OF DEATH. Also research my other posts in my profile on how to do the "rude&crude" flashlight test that every lcd display owner should know how to perform and interpret when the BSOD strikes without warning. It's not hard to do and you would then have provided another 2 lines of useful information along with AGE and or approximate total "ON" hours of use the unit has seen since the purchase date. One more thing that OWNERS fail to state is if the unit "is" or "is not" under warranty by the manufacturer! Warranty work is the very first thing to check because it's FREE!!! Well, anyway, I wish you good luck in your quest to fix your unit. If you need additional info you can always do a repost to fixya, or email@example.com I'm 12fixlouie on fixya If this response was of some help then please rate it on fixya. Bye for now.
Wow! You guys...must had watching a really....HOt sizzling movie to make it overheating. Hehehe...
Your inverter are fried, need to replaced a new one. If you still under warranties asked LG to send you a replacement. Have a nice weekend!