Question about Daewoo F227B Monitor
I have a Daewoo Monitor model f227b that I purchased in 2003. It's worked fine until a week ago when the power indicator light in the center at the bottom of the unit would not show any indication of power. Usually if it was hooked up to power the light would be amber. If it had a monitor cable attached to a running computer the light would be green. I've taken in to Micro Center where I bought it and they couldn't suggest a solution. The power supply is internal so the power coming in is a standard 3-conductor ac cord computer cord. Is there a replaceable fuse inside ? Can the power supply be repaired/replaced ? There is nothing on the screen. It's totally blank.
Hi, Youo have zeroed in on the problem area. It looks like a power supply problem. More often than not, there is a fuse inside. If you would venture to open the unit up, do a visual check on the fuse. If it is busted: 1. Clean - no burnt/scorching/black marks inside the glass tube, then you can simply replace and hopefully the unit will be operational; 2. Dark smudges - or small burnt metal pellets inside the glass tube, then it is possible that you have other defective components that caused the fuse to blow. Normal components that are known to go bad are the big capacitor and or the power transistor regulator. Most current designs uses a switch mode power supply where your mains AC voltage is converted to DC that powers a circuit that eventually produces a lower DC voltage say 12VDC for use of the monitor. Should you venture a DIY (do-it-yourself), pls remember safety precautions when working with powered electronics. Hope this be of some help/idea. Post back how things are or should you need further information. Good luck and kind regards.
Posted on Sep 26, 2007
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Posted on Jan 02, 2017
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