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Proview 3700 lcd power light changes color when you turn on but screen stays black

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Read my guides and check the power supply module first.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Posted on Oct 07, 2010

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Posted on Jan 02, 2017

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Proview Monitor Blank display after 3 seconds issue


First place to look will be the power supply section, look for bad caps (bulging tops or bottom seals), the post back what you see so we can guide you further for direction such as voltage checking, see example of failed monitors due to bead caps: http://s807.photobucket.com/home/budm/allalbums

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http://en.wikipedia.org/wiki/Capacitor_plague
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A red or pink coloration on the screen indicates bad backlight bulbs. They are just like standard fluorescent bulbs just much smaller. When they start failing they light up with a pink color and that will make the screen look pink or red. You can change them but it may not be worth the trouble. You can do a Google search for compact fluorescent tubes and check prices.

I hope this helps, if so please rate our solution.

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thers Sounds like the problem I'm having /had exactly. When I opened the case I found that like others the 470mf capacitors on the power board had gone bad. (See the post from Delphiuser)

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