Question about Samsung HP-R5072 50 in. Plasma HDTV

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V-scan voltage adjustment

How do i adjust the v-scan voltage on a hp-r5052 smasung

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  • jeff0507 Feb 11, 2008

    can you tell us HOW you fixed it? I have the same exact problem.

  • mudvayne Mar 02, 2008

    yes there are red pixels and sometimes green in dark shaded areas is the v-scan simple to adjust or should i call someone? Thanks for help

  • madowney Oct 13, 2008

    Yes, I have the same problem. Please tell us HOW you fixed it.

  • l_bautch Nov 09, 2008

    I have this problem too...do you guys have a red or green line on the left side of the TV as well?

  • Jcull Jan 23, 2009

    I have a simular issue with a Samsung HP-s5033. i get green "snow" flickering all over the screen (mostly in dark areas) and some red sonw as well. but mostly green.

    is this a voltage problem that i can try to adjust?

    if so do i need any special tools to try? I was going to give the set the toss and get a new on seeing as samung will not help fix it and i dont like the only local repair shop..

    thanks for any info

    Jeff

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UPDATE: I opened the back of the set and after doing some looking around i found the adjustments for the voltages listed on the PDP sticker. Va, Ve, Vsync, Vset, and Vs, I think that are the ones. after checking this voltages with a voltmeter i found that they are out of wack.. you can set there voltages with a little screw adjuster on the board.. (if you plan on doing this make sure you dont touch anything live duh) This porcess was very simple after finding the adjustments....

This helped the picture however... i am still getting a little green show on dark areas and black show on blue... there are 2 adjustments on the TV that are not listed at all.. they do not effect the voltages of the others but seem to be the main power to the board .... they do effect the picture a great deal...

by playin guess and check with these adjustments i can get the set lamost perfect.... however it seems that i can adjust so that there is no green snow on darks but a little blue show starts to show. or i can get rid of the blue all togeher and a little green starts to show.

does anyone know if there is a spec for these adjustments and if so what they are??

hope this help...
Jeff

Posted on Jan 27, 2009

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If you adjust v-scan make sure you adjust it for the setting that is marked on the panel when you take the back off. Why do you want to adjust v-scan? are you noticing red pixels firing or green ones? This is a diffusion problem and i am familiar with the fix for that. Let me know and we can go from there. Also what is the version of the HP-R5052? Talk to you soon . Thank you Jay

Posted on Jan 31, 2008

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