HIGH VOLTAGE PRESENT/NO PIX/NO SOUND/ RED STANDBY LITE ON FRONT PANEL ON CONSTANT/FRONT PANEL SWITCHES DO NOT FUNCTION.
PS. I KNOW I HAVE HIGH VOLTAGE PRESENT, I TESTED IT WITH A SMALL NEON LAMP TOOL AND MY LAMP GLOWS WHEN HELD ALONG SIDE THE FLYBACK.
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5 blinks of the standby led lights is an error code for no high voltage coming from the ballast board.
You have to check first if the supply voltage from the power supply is present feeding the ballast board. If yes, you have to replaced the ballast board. High chance that the fault came from it but you need to confirm it by the presence of the voltage from the power supply.
Hope I helped you.
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This sounds like a typical problem related to a older CRT.
If you remove the front cover of the tv, you can then remove a wood panel. Behind this panel you will see a block (high voltage splitter) it will have 6 "knobs" on it, 3 will say focus, 3 will say screen.
They will also be labeled R - G - B
Put the tv on a blank input so you can see the lines clearly on a black screen - Find the knob for red, and SLIGHTLY turn it down until the red lines disappear.