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My Sony LCD KDF60A20 does the following. After it power ups the picture goes out then shortly the sound goes off. Then the picture comes back on then shortly after the sound comes back on. This repeats. What is wrong?
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if the standby light blinks 6 times it has a bad backlite board (the most common with that set) other than that i will need to know how many times in a row it blinks. thanks....techman
I found several instances of this probllen on various forums, and determined that it is the bulb after all. It seemed that a bulb should either work fine or be burnt out, so I thought it might be something else, but so many other customers had this identical problem that I am 99% sure it is the bulb. I found a replacement bulb with housing for about half the price of the Sony Store, so i ordered it. In the meantime, another customer offered a suggestion to try adjusting the Power setting to Power Saving instead of Standard. I tried this last night and the picture worked fine! I will replace the bulb when it arrives and keep the old one on hand in case this happens in the future. Thanks to all of the posters out there!!!
Hi,
If green light in front of TV blinks while picture goes off and comes back then its symptom of weak lamp that need to be replaced.
And if green light does not blink in above process then let me know.
Thanks.
helloFive blinks - AKB circuit (automatic kine bias), the
timer/standby indicator blinks for about 30 seconds then goes to the
self-diagnosis function. Something is wrong with the video. Check video
out, Q705, 732, 761 and other components on the C board, also check
Q218, 219, 220 on the A board. In addition, unit could be in IK
blanking, try turning up screen slightly.
Sounds like there is a short on the power board or the power board has gone faulty.
Look on the power board to see if any of the capacitors are bulged or if there are any other components burnt out.
The TV is going into protect mode because of an over current, which points to a short on the board or a component has gone short circuit.
Thanks
I have a sony KDF-E60A20 projection tv. The picture would go out for about 30 seconds and come back on. It would continue to cycle this way. The green power light would stay on and not flash. The sound would go off when the picture went out and come back on when the picture came back on. I tried taking the bottom cover off the back exposing the fan and blowed it out with a vacuum cleaner, also taking out the bulb and blowing it out. That didn't help. So I ordered a new bulb from Advancedlamps.com and that's what it was. I have now had it on and off for two days and no problems. Cost of lamp was $107.00 including shipping. Good Luck!
I had the same exact problem.
I removed the bulb and cleaned it. There is a small screen at the top of the bulb and it was covered with dust. Once it was cleaned I replaced the bulb and it solved the problem.
Thanks to those who posted the solutions
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