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Re: rca 46 in
The only thing I have ever found that would make one of the tubes go out while the others stay on is a small high value resistor on the CRT board itself. It has been a while since I had that symptom but I remember the value of the resistor as 100k or 120k.
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Power supply is my initial thoughts, but then again it could be that one of the three CRT's tubes has an issue. My thoughts is that it would be best to bring it to a good TV repair shop. Why spend money on a power supply and then find out it's a CRT. Blessings, A/V Media Guy
On your Deflection board it is the one on bottom to the left CK capacitors cp150 2200uf 16v if it is puffed up ont op it is Bad replace 2 more caps in same circuit cp114 cp120 220uf 35v resolder all pins on FBT flyback transfomer.
Block is bad,part number is 205064,sounds like a hole has burned in the part,its in front of the tv behind the speaker grill,snap off the grill and there is a panel,remove the panel and between the left tube and middle tube is the part it has red wires on it
Hello, I would take it to a TV repair place, they will charge around $50 and let you know what the problem is with it. this is your cheapest way out, it you want to keep it. If you chose to take it please give me a fixya rateing. Thanks, Farren
if the tv has never been service before you could have dust on the 3 tubes,this will decrease the brightness to the screen. try taking the front or back off & see if you can see the top of the picture tubes. remember to unplug the tv & to clean spray the cleaner on the colth , then clean the tup of the tube. never spary on the tube itself. hope this works for you. to remove the screens remove the front grill, then remove the screws @! the bottom of the screen & if i remember right the top just sits on a lip, so gently try to lift the screen up.careful, these screens are expensive & you will have 2 or 3 of them. some of them are really easy to scratch.
If they are green, red and blue lines, you have a typical convergence problem that happens in almost every rear tube projection set ever made. There are two IC's that need replacing to correct your problem. If you do not know how to solder, unsolder, work on solid state electronics, you really should call out an experienced tech to assist you in this repair. These sets now a days have no user replaceable parts inside of them. A TV set as this one, should not be a place to experiment around inside of. Good Luck
Have you tryed to unplug for a while and plugging back in again.. Ff that dosent work, something most likly in the power suppply blew out from a power surge.. if your not a tech or have TV experience it would be best to leave this to a pro. Too much Hi Voltage inside these sets to fool around with and do any experimenting! good luck
Have you tryed to unplug for a whiloe and plugging back in again.. if tha6t dosent work, something most likly in the power suppply blew out from a power surge.. if your not a tech or have TV experience it would be best to leave this to a pro. Too much Hi Voltage inside these sets to fool around with and do any experimenting! good luck