I just bought this tv used, sony videoscope xbr 53", and when I got it home, the sound worked fine, but there was absolutely no picture. Also the timer/standby light flashes and does not stay constant. It was sprinkling out and I covered it up with plastic, but the back got a little moisture in it. What's up?
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Re: TV has sound no picture, Sony Videoscope xbr
Please post both the exact model number (on the back) and the blink count. The standby light should be blinking a repeated pattern. That info will indicate the problem circuit and allow us to provide you with the proper parts/steps to resolve this.
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would think you need to replace the cable board etc. the signal is not getting in and out right. can also be a fault on the power board giving the wrong volts so would check this to. it will tell you on the board what volts is supposed to be. the 5v and 12v should be spot on other volts will vary a little. also check the capacitors for the caps to be bowed up and a brown/ yellow gunk around them and under the board this can be a sign they are failing.
Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement. Take care in solving the problem
hello well it's and old tv, my guess it could be capacitors in the power supply or even dry joints on the power supply board, it would be best to have someone with electronic experience to have a look at it
I happen to share this same problem. The alignment of the gridlines on the standard convergence panel are completely abnormal, and if I attempt to auto-adjust the TV, it flashes different colors on the sides of the screen , and then turns off the convergence settings.
This is a convergence problem. Look in the back for a couple of large black ICs attached to a heatsnik. These should be marked STKxxx. These are the convergence ICs and either have bad connections or are defective. If you can solder, try resoldering the pins on these ICs. If that fails to resolve the problem, replace the ICs. There may be other parts that need to be replaced as well. I'll look up your model to find the other parts to check. The convergence board as an assembly, I believe, is no longer available. The parts that you require are available.
just need to balance the three colors red,green and blue that may help remove the front covers and look for black module that have sccree and focus controls just move a little bet left or right be carefull because you can loos the picture e-mail me for more info