Quote:
Originally Posted by Arcanine
If you do I may be interested. I think the KV5000 was one of the last Sony sets where when plugged in and powered off, voltage is always applied to the tube.
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I don't think that is so... try an experiment... measure warm-up time under two conditions:
1. TV set unplugged, power switch on... plug in and measure warm-up time.
2. TV plugged in power switch off... turn on and measure warm-up time.
In BOTH conditions, my 5000 takes about 5-6 seconds to produce a visible raster and hits near full brightness in about 10-12 seconds.
I understand that Sony used a *Directly Heated* low power (180 mw?) cathode in these CRTs to achieve the rapid warm up.
jr