After the tv is warmed up it will turn off every 10 min and then turn back on around 30 sec later. when the tv is off the green power light blinks around twenty times. the lamp was replaced 2 years ago
Yup, it seem a lamp problem can give a blinking green light over the 10 times (1 - 10 times for diagnostic codes), but in my case rather than replace the bulb if it works for a minute then resets with the green light blinking, do what I did. Take the lamp out and inspect it, it has breather screens top and bottom, if it cant breat because there clogged with dust, clean them, and you can remove the screens, use q-tips and clean the inside. I saved the cost of a lamp and it's working fine!
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Re: tv turns off then on
It's time for a new lamp. What you are seeing is the result of a weak or old lamp and the TV sensing that it is drawing too much power and turning it off. I've seen this many times; a new lamp will cure. Be sure to buy an original Sony lamp as the aftermarket replacements are known to have problems. Please be sure to rate this solution. Thanks!
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I had the exact same problem. Thought I could fix it by replacing the thermal fuse . . . no luck there. Problem continued. After tons ( I do mean tons) of research, I found the problem to be a temperature sensor. Makes total sense ! ! ! The tv is trying to come on, but the temperature sensor is bad, telling the tv that it is too hot to operate, so it turns itself off - only to try & come back on 30 secs or so later. Hard to fix unless you know your way around tv circuits. Took me bout 3 hrs total.
One of two things can be the problem...one the bulb is bad...two the ballast is bad. If the bulb is not bad then the ballast is...it can usually be fixed by replacing a resistor on the board itself...it is labeled R3 and is a 1000 ohm resistor
these particular tvs are very sensitive to voltage changes spikes etc.first turn off main power switch wait at least 30 sec if standby come on wait another 30 then turn off main power again and unplug tv for 1 min then plug in turn on main switch wait 30 sec then turn on tv with remote resets system.then buy a ups and always wait at least 30 min after turning tv off to turn back on if not causes power failure and after each press of power button wait 30 seconds before trying again lmk good luck
i think the convergence amps are weak, or the akb circut has caused the tubes to go bad, google your model number to see if it is in the tube problem. sony made some projos w/ bad tubes in them. tv lasts only three or four years,no cause i had one
If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.
Yup, it seems a lamp problem can give a blinking green light over the 10 times (1 - 10 times for diagnostic codes), but in my case rather than replace the bulb if it works for a minute then resets with the green light blinking, do what I did. Take the lamp out and inspect it, it has breather screens top and bottom, if it cant breath because there clogged with dust, clean them, and you can remove the screens, use q-tips and clean the inside. I saved the cost of a lamp and it's working fine!