Question about Boundless Technology Tatung VM 9AF 9" CRT Monitor

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Brightness sometime too light and sometime too dark

Hi I would like to appreciate for your help , i repair a 9' inch monochrome monitor the model is VM-9AF made in taiwan TVS, the brightness sometime too light and sometime too dark. and the horizontal size is too small even i already adjust to maximum ,any idea? thanks!

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I would say there is a problem in the horizontal / high voltage section, but I have no information on this model.

Posted on Aug 28, 2008

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Posted on Jan 02, 2017

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welcome to fixya

it sounds like the back light on both monitors are going bad
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i hope this helps out have a nice day:)

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