I have a tv that turned black and on the bottom of screen it has three blinkers, thetop blinker is the power that turns on the tv. The second one towards the bottom is the turner, which is off. After that is the lamp blinker that is also off. Now when I turn on the tv the power blinker turns on for a couple of seconds, but eventually it turns off and the lamp blinker turns on. We believe it’s lamp that went off.The thing is that we want to fix it our selves, but we want know how to change lamp?
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Re: what to do with tv
Well to fix this your self, all you really need is the service manual for it. It contains detailed information on repair's and step by step information on how to do it. it also has troubleshooting codes and solutions etc.. To find one , google your tv brand tv model service manual..
Mostly you have to buy it so dont expect to find one for free(very unlikely) If you post your brand and moel here an expert might be able to help you find one. Give it a try for your self and see what happens..
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your tv has a vertical problem take it to a tech to have them look at it probably on transporting the set to your house it bump around.a look on lose solder could be the problem this could be verified by a tech.good luck.you need the repairman.
Greeeting from Belize you are having a problem either with cold solder or a problem in the power supply those lines are hum bars due to a defected filter cap.resolder your power supply if that does not solve the problem then you replace the power supply you can get a power supply kit from www.dalbani.com in florida.good luck.also make check in the vertical section if you cannot do it your self take it to a qualified tech to resolve your problem this should cost you about $75.00. to get it fix.
It sounds as you desribe, the vertical output IC and or the b+ feed capacitor off the Hi voltage transformer feeding the vert. IC its required voltage. Not a really hard job to replace, but not for a handi person to do. This should be left to the professional, as there are no user serviceable parts inside this set and with the HI voltage and the safety issues its best to call somesone to assist you with this repair. Good Luck
do you get sound while screen does black? what do you mean by "until eventually it has turned black and will not come back"? is it black from the minute you turn the tv on untill you turn it off? if sound is good but picture is black, it may be the resault of a fried monitor tube, in this case replacement will cost alot.
if sound is dead also, them it is probobly power supply related issue. get out your DMM and measure the voltages in the power supply. When the screen goes black, is there still regulated B+ going to the circuitry? Do you still have HV? Is the filament of the CRT lit? Does the set still have a raster (you may have temporarily increase the screen setting to see it)? Do you measure any of the flyback derived B+ voltages that go to the video processing, tuner, Vertical Deflection, and other circuitry?