Question about NEC MultiSync LCD1720M (Black) 17 in. Flat Panel LCD Monitor
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Posted on Jan 02, 2017
Your CCFLs might be going bad. CCFL stands for
Cold cathode fluorescent lamps. These are the lamps that provide backlight for the LCD Monitor.
These lamps do not last forever, and are a very common part to go bad.
The circuit that provides the power for the CCFL is called the
inverter, it might be going bad, but I still think it is the CCFL. Only
trained techs should try and replace a CCFL or fix an Inverter. CCFLs
do contain mercury, but only small amounts.
Since the monitor works for a few minutes and then goes dark, this tells me you have a problem with the backlight function. I have seen this several times, and I do work on LCD monitors professionally.
My advice, get a new LCD monitor and sell your bad one on ebay.
Posted on Nov 16, 2007
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