Question about Hannspree 28" Widescreen Flat-Panel LCD HD Monitor
It may be due to bad backlight inverter circuits, bad power supply (24vdc). Replaceing lamps in the panel is not an easy job, some will require you to completely disassemble the panel to get to the lamps. (www.lcdparts.net). Basic LCD monitor troubleshooting guide:
If you are going to DIY 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 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.
Basic LCD monitor troubleshooting guide:
Posted on Oct 07, 2010
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Posted on Jan 02, 2017
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