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Sir I've got problem with my sharp 20" standard rca tv model 20v-J300XB. I need to have a service mode procedure to balance its G-drive for it has strong green screen..but if its still not through the service mode adjustment then I have to replace its picture tube. Please help thanks.. ode

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Have you checked all the cathode voltages (Rg, Bg & Gg)? If not check it. If the Gg voltage is found much less than the other two cathode voltages, the fault might be to the green video output transistor, or its collector load resistor. In service mode too, there are adjustments. All of it cannot be stated here. anyway, check the above stated voltages first. CRT cathodes are negative biased, that is, if the voltage at the cathode become low, the intensity of color to that cathode too. If you wish to get more details, come over by comment. To get more details, http://electronicshelponline.blogspot.com/

google.com/+GopakumarGopalan

Posted on Nov 16, 2013

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SOURCE: What's TV CODE for Dynex 20 " tube tv?

http://www.dynexproducts.com/universalcontrolcodes.aspx

This is Dynex's own site for that problem. It works for over 11 different cable companies, Direct TV & Dish both included.

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SOURCE: Video Mode - Orion 27" TV - Model stv2555A

VICTORY! Had the same problem with my Orion model FTDV2004. Lost the remote and couldn't program a universal remote to change the input to AV. After a day of reading posts, I just started pushing the channel up button. Somewhere past channel 115 the "Line1" and "Line 2" inputs showed up.

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