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blubaju, probably cold-cathode-fluorescent-lamp backlight failure! if unit dosen't have electro-luminescent style backlighting. All LCD panels require WHITE light to see what is on the screen!!! Is same common problem that computer (pc) lcd monitors suffer from!!! I suspect that if your unit has CCFL's, that the SMPS power supply or CCFlamp INVERTER circuit has a problem common to ALL LCD monitors. I should think that any BIG TIME tv/monitor repair shop could examine the printed circuit boards and effect a repair for you! Just mention that you think it suffers from the BLACK SCREEN of DEATH syndrome!!! Also mention that to RAYMARINE!!! when you call them and **** them out!! 12fixlouie .5hr nrth/wst of Windy City Rate this on fixya if this msg helpful??
Install the forteManager software that comes with your LG LCD monitor. Go to the Options tab and choose Restore which will set it back to factory settings. For some reason some monitors come this way out of the box and this was the only way I was able to solve the problem with mine.
Cold cathode lights behind the LCD screen are dead or dying. If you like the screen go on ebay and look for the cathode light kit if available. You can search google for replacing the lights on a LCD screen and its pretty straight forward. If its not worth your time just buy a new screen, but replacing the long skinny bulbs will make it like new.
Hi, this is a common problem. One thing you want to observe is that the screen works, what's going on is that the screen LCD illumination doesn't work while the screen display is active. LCD's have screen lamps behind the screen, they are often called CCFL, (Cold Cathode Flouroscent Lamps). The inverter board in the monitor supplies High Voltage power to the lampls, so the colored wires should lead you to the lamps. This is the problem causing the screen to dark. You can research the model lamp type for an accurate replacement. Usually there are 4 or 6 lamps in LCD Monitors.