Tv would work fine than made popping noises and shut off, now wont turn on, i brought it to a local place they said it needed a new power distribution block, i take it that this is a "high voltage distribution block" ?
they want 300+ plus tax that seems a bit much? am i getting ripped off?
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When my TV did this in the past it ended up being the color wheel. I had someone replace it and it worked fine. I asked it if had to be calibrated after it is installed and he said no. Also make sure the door switch is pushed down when you install the back bulb door. Sometimes this switch can go bad as well.
It must be connected with the color circuit of your tv, a board connected to back end of the tube. Could be dust, cob web or carbon deposit shorting a transistor. Popping noise if loud enough can be attributed to high voltage circuit fault and picture tube.
I just gave this solution to someone that has the same problem as you, so I hope this helps.
The loud pop you heard was a filter capacitor. The problem now is the power supply is shot, or should I say the capacitor that is connected to that voltage output is blown. You will have to replace it with a new one. I would suggest just for your curiosity, unplug the TV, take the lower panel off (you will need a star head driver to do this) and look at the power supply board (the board on you left side) look towards the middle of the board and you will see a heat sink in the middle of that heat sink you should see a capacitor (or the remains of one). its value is 2200uf 16V (I believe that this is the one that has gone bad), you should also look for others that may have blown also. I would also suggest that you have a qualified TV repair person come to your place and work on this for you, due to the nature of this section of your TV. If you choose to do this yourself you will find this useful. Get a schematic to find the values the Chassis number I believe is ITC222. Here is a link to the schematic: http://www.eserviceinfo.com/downloadsm/3692/Thomson_ITC222.html