How bad is the CRT in the set? If the picture is reasonable and you haven't a source of, or a spare CRT, maybe enjoy the set for a while till it gets too bad....
Michael Watterson wrote:Try running the really knackered ones (that have not improved enough to be used) now with NO HT and +25% heater for about 4 hours and repeat the HT procedure? What is there to lose?
Alastair E wrote:Those heaters are after all many thousands of hours old and cant be that strong anymore!
ppppenguin wrote:I wonder if this method could improve the 6/6 in my Marconi 702. It seems like a low risk method.
Murphyv310 wrote:One collector I know was running an MW43-69 with 50% boost for literally years. The set got trundled 60 miles to me for repair at one point and still the tube ran merrily away for years after
slidertogrid wrote:... Reading back issues of Television magazine it seems the Mazda Crm series were going flat not long out of guarantee, there was even mention of this being designed in by Mazda!
Just for my tu'pence worth, I wonder if a "clean and blance" on the B&K, followed by a slow bake, might be worth a shot?
Crackle wrote:The tube on this TV takes a long time to warm up and the picture stabilise, If I had given the tube another minute to warm up on the second photo then the image would have been the same size as the before photo.
Crackle wrote:... The shadows across the screen in second picture are I believe interference patterns caused by the camera when the photo was taken, there was no such shadow on the screen ...
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