Question about LG Studioworks 700S 17" CRT Monitor
Pictorial instruction for opening the cabinet is required
Most monitors (among the ~2000 I have repaired) have either four screws at the extreme corners accessible from the rear or only two with the other opposing edge snapped in.
Some monitors, will have and extra 1 or 2 screws around the area where the connections are made while others may have only snap-in molded tabs that must be released with a flat-blade screwdriver.
Before bothering the monitor, I recommend you substitute another monitor to ensure that the monitor is receiving the signal inputs it needs to function. Loose connectors and failed video sections can also be the cause as well as a 'lost' driver that Windows has corrupted.
I also suggest you leave the monitor unplugged from the AC ine overnight since there are components that can retain hundreds of volts of charge for hours and deliver as really unpleasant shock if you tangle with one of these points. If the high voltage (horizontal) section is still active, it can deliver around 25,000 volts with enough power to punch a hole through your thumb.
A primitive check for the operation of the high voltage is to hold an AM band radio at various points of the housing. If you get squeals, the horizontal section is at work.
Posted on Jul 15, 2009
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Posted on Jan 02, 2017
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