Typically you crank the voltage up on to filament to about 2X to 2.5X and put a high negative voltage on the girds relative to the cathode. You let that cook for some time. If the filament burns out, no loss as it was bad anyway. If you do it too long, it can boil off too much of the filaments coating, also a loss.
Dwight
So what is achieved if this is "successful"?
Oddly, I have a crt rejuvenator - not had cause to use it so far though. About a year ago I was walking past the TV repair shop in Burnley. I saw a 'thing' that caught my eye on a shelf inside. I have an eye for old test equipment. Went inside and had a look - I had seen rejuvenators on youtube so I knew what it was. The guy wanted £20 for it - just getting rid of old test kit, not much use in the LCD era!
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A bit wasted on me, I have 4 vintage computers, two of which have CRTs one mono and one color!
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B&K tools are quite well known for their quality. They were about as good as the later electronic Sencore units. They are really nice tools if you regularly work with older TV's.
Oddly, I have a crt rejuvenator - not had cause to use it so far though. About a year ago I was walking past the TV repair shop in Burnley. I saw a 'thing' that caught my eye on a shelf inside. I have an eye for old test equipment. Went inside and had a look - I had seen rejuvenators on youtube so I knew what it was. The guy wanted £20 for it - just getting rid of old test kit, not much use in the LCD era!
View attachment 52042
A bit wasted on me, I have 4 vintage computers, two of which have CRTs one mono and one color!
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