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BenQ FP731 17" LCD Monitor - Page 6 Questions & Answers
Benq fp737 17
How old are the monitors?
Normally backlights last at least 30,000hrs of working.
Normally problems on Inverter board transistors near yellow inverter transformers.
Samir
No audio
No way monitor is causing the problem.Could be driver related issue.
Samir
Monitor blank
It's open if it shows 90ohms.
Also remove all 4 2Sc5707 transistors and check.
Also invertor transformer is dry solder ,Resolder all pins of transformers.
Samir
Blueish screen
From your monitor menu, check your monitor color temperature. Is it 9500k or 6500k?
Try setting it to 6500K
Screen blacks out.
I had a similar problem with a television. Basically when the element gets to hot it shuts itself down. I believe your monitor is overheating and I dont think there is much you can do besides have some of the guts replaced or pitch it....sorry.
My PC booted up the screen looked normal then as the windows boot
You my friend have a bad backlight. Inside thes LCD monitors there a little tiny flourecnet lights that help the LCD project the images so that you can see what is being displayed. Sounds like your backlight has gone bad. These can be repaired, but can be costly! These things happen often times, 90% of the time I am replacing the backlights to various monitors. Sorry, but I am certain it is your backlight!
Blank Screen Now.
Backlight is torched, it happens without warning. These can be repaired, but finding the appropriate backlights, and trying to get this thing apart is a royal pain in the you know what! But your backlight has burned out! Sorry!
Black out
Connect it to another PC, if you get the same result, the problem is the backlight, they go all of the time. I am constantly repairing these things in stores.
Unexplained Blank screen.
Looks like your Power Supply has gone Kaput .. Usually it is the Electrolytic Capacitors on the Power Supply Board, try a new one, or replace ALL the Electros with same or better ones.
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