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

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Brightness problem Hi I would like to appreciate for your help , i repair a 9' inch monochrome monitor the model is TM-9AF, FCC ID: J90VM-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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Try changing all electrolytic caps in the horizontal circuits

Posted on Sep 09, 2009

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MicrowaveSvc
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SOURCE: monitor VM-9AF problem: display a smaller image as the screen

Does it have a factory default or reset function in the control menu? There is a spec sheet on there site here: http://www.tvs.com.tw/pdf/POS/A9POS.pdf But they don't seem to offer any support for thier products. They do have in inquiry form that may help: http://www.tvs.com.tw/inquiry.htm

Posted on Jan 07, 2007

MicrowaveSvc
  • 8820 Answers

SOURCE: brightness sometime too light and sometime too dark

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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Monitor VM-9AF problem: display a smaller image as the screen


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