Re: my samtron 55 monitor becomes hazy and out of focus
Focus and brightness (sometimes called screen control) are usually adjusted in the flyback transformer. Check for a bad connection where the flyback is soldered to the board. This could also indicate a problem with the CRT.
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If you have Samtron 56 V monitor that sometimes switch ON for 10 to 15 minutes, then it is a signal of some internal device fault which needs to be rectified from certified hardware technician from monitor manufacturer service center itself. It is recommended to directly contact Samtron for hardware replacement if it is under warranty or ask to repair it.
tyson_gal, You will need to locate something called the FOCUS adjustment somewhere on the monitor. Maybe Samtron has info at their website under Troubleshooting or something similar? hope this was of some help 12fixlouie
For the monitor? In 10 years I've never needed drivers for a monitor, I think you need drivers for your display adapter, check the maker of your computer's website / support - download section for drivers.
This problem is caused by the Novatek chip on the video board. Soldering a 50 Ohm Resistor across pins 5 and 6 of this chip resolves the problem on both the Samtron and the Samsung monitors. I have just corrected one of these last night by this means.
Hope that helps