Samsung SP-R4232 42 in. Plasma HDTV "vscan adjust tv" Questions

...to age this may occur again until you can't adjust it out meaning a bad panel. trying to fix this issue... which board is the 'PDP panel', and where is this 'VSCAN' adjustment knob? thanks, ...

plasma tv sparkles on black background dark screen gets white spekles after been on around an hour then can sometimes go off ned to adjust the VS-voltage or the VSCAN-voltage

...VSCAN knob to adjust. That's when I read this post which informed me that what I was looking for was the VR1 or VR2 knob on the Y-Sustain board. I slowly adjusted the VR1 (counter-clockwise) as ...

...TV is about 15 months old and is now starting to show a bright purplish tint to high contrast images, i.e. faces, whites etc. Usually not all over the screen but only when in high contrast Blacks in ...

...days and then when plugged in and turned on, almost the entire screen is red within five minutes. Please help! adjust vscan  vs & va voltages on power supply, if not that drive pcb's are ...

...the factory after not aging long enough. Let the TV run for atleast 2 hours and adjust the Vs and Vscan voltages. When it is blue in the left I have found generally the Vs is about 10 volts too

Vscan and others if labeled on the board. If you have to adjust waveforms you need a very $$ o-scope and should get qualified technician to adjust. If a board is bad, its likely your power supply or Y

...happens sometimes), this the VScan value / voltage can be adjusted. if the tv is still under warranty please use the service because getting it repaired if the work around did not work may cost

...adjust the Vscan voltage down about 5-10 volt I had this problem as well. I tried adjusting the voltage, but it only caused different color problems. If you using HDMI, try checking your HDMI ...

...voltage that particular knob controls. Almost all of the tv's i've heard of being fixed need to have the VSCAN, or vertical scan adjusted. Make the adjustments in small steps and wait for a