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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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If anyone has a green CRT for 61" Toshiba RPTV (61A61), I would like to
buy it. Mine is busted and the new one costs around $250. I am hoping someone here has a used one that I can buy at a lower price. Thanks bharat |
#2
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![]() bharat wrote: If anyone has a green CRT for 61" Toshiba RPTV (61A61), I would like to buy it. Mine is busted and the new one costs around $250. I etc. You might run into two major problems. One is just why is the tube busted ? I've seen where the HV goes nuts and causes this. It's kinda rare but it does happen. On a Toshiba you should be able to pull the anode lead and CRT socket and run it with just the red and blue. Also take a good look at the yoke, it might be burnt. Also, the main problem with a used one is if the burn pattern in the phosphor is smaller than the raster you'll need to converge it, you'll have bands of brighter green at the sides and/or top/bottom.If you can get one from exactly the same model, get it with the yoke and don't adjust the centering rings. Align your other two tubes to it. I'f it's off center you'll have to use shims to bring it in. VDC might be cheaper than $250 for one of those tubes, not sure, but no matter what you do make sure it doesn't have a high voltage fault that is causing the tube to break. JURB |
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