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Re: i got a blank email reply from you
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These blinks (flashes) are fault indication. By the number of blinks occur at one time switch ON, you can vet an idea about the faulty circuit stage inside the TV. Count the blinks occur at one time switch ON, carefully. Do it once again, and make sure about the number of blinks. If the flashes are continious, non-stop, the main system control IC should be suspected. If you wish to get more details, check the site linked here. It has blinking codes detail to many brand TVs. Pull up older posts. http://electronicshelponline.blogspot.com/
You should examine the input power of the TV. If you dare to open the back of the TV You should examine the by using the tester to test the continuity of the voltage input of the TV. i guess voltage regulator need to be tested.
Be careful high voltage inside the TV.
The best way is to contact the vendor of the TV or sony service center in your area.
You are probably dealing with loose solder connections in the horizontal and vertical deflection circuits. I am surprised it hasn't failed in a massive way yet. Too many times that is the way it ends unless those solder connections are taken care of.
Hope this helps,
Wish I could reach the set from here; I'm pretty sure the problem is caused by a 50 cent (maximum!) part called a capacitor in the range of 4.7 - 100 uFd that is responsible for feed back that keeps the power supply ticking.
If you decide to have it repaired and the problem is as above, tell the tech to use a low ESR part and add a .1-.5 uFd ceramic capacitor in parallel to the one he/she replaces.
That cap will handle the fast rise times that causes the electrolytic cap to break down chemically and fail.
1) When the picture "stops", does the standby light blink at all?
2) Can you post the model number please?
Some of these sets are known to have problems with the picture tube as it starts to age. There are some workarounds for this that can extend the life of the set for a short time. Without the model number though, I can't confirm that this set is in that catagory. Please supply responses to the issues above and we'll continue from there.
Hey Jim, The high voltage protection circuit has gone out on the D-board and will need to be replaced. The fuse to the power supply is probably fine. A good repair tech shouldn't charge over $125 for this and it only takes a couple of hours. Let me know if I can be of further assistance.
Blanking in a sony like that is usually a result of a weak CRT... You can turn down the G2 and it may help for awhile, but the blanking will eventually get more and more pronounced over time. I wouldn't suggest having the tube rejuvenated either. That usually doesn't last and a shop may charge quite a bit for the effort. You're better of buying a new set.