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My CTX VL701 EX701F monitor keeps going black with just a horizontal light showing, it happened for briefly at first and then returned to the screen but the length of time its black is increasing - any idea whu?

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  • mrib Aug 19, 2008

    Thanks, I dont feel confident enough so will call in the professionals with their soldering iron!



    Thank you.

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Hi,

If you are referring to a conventional CRT monitor, then the fault you have described is indicative of a cold solder in the vertical section. Often, this would be any of the pins of the vertical IC. The vertical IC is the only IC that is heatsinked and sits at the back of the flyback transformer.

This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Aug 19, 2008

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