Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television
The TV turns off itself immediately after power on (protection circuit triggered). the standby led blinks intermittently 5 times each 5s. I opened the front and and unplugged all the CRT boards (CG, CB or CR boards).
Surprisingly, when plugging either one of these boards (only one at a time) when I powered on the TV; it stays up and doesn't anymore turn off itself.
As the TV power on only with 1 CRT gun at a time, I tried to increase the screen volt with a small screw until the lines disappeared. I repeated this process with the blue, the green and the red CRT guns.
But once I plugged all 3 CRTs back up and turn the TV on, the protection circuit began back turning off the TV within 5s.
It sound like you have a bad picture tube...check your 1k circuit for correct voltage and wave form.
Posted on Oct 13, 2008
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Posted on Jan 02, 2017
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