Bill, W6WRT wrote:
> ORIGINAL MESSAGE:
>
> On Sun, 28 Feb 2010 09:58:56 +0200, "Alex Eban" <alexeban@gmail.com>
> wrote:
>
>
>> By the way, an old trick that was used in tube type TV sets was to install a
>> thermistor in series with the mains.
>>
>
> REPLY:
>
> That thermistor was not used for soft start. It was part of the
> degaussing system and had very poor reliability. I changed hundreds of
> them over the years. Not recommended.
>
I'll bet you replaced almost as many, if not more than tubes. Typically
the set would just quit rather than some indication of imminent failure
that tubes often gave.
Yes, I also repaired tube type TV sets in a prior life. Even build a TV
set (B&W) in with a correspondence course.
73
Roger (K8RI)
> 73, Bill W6WRT
>
>
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