Re: Hanatarex 25" UPDATE

This is an update, since I've made more observations.
First, there is no charge built up on the crt to
discharge after I have supplied power to the chassis.

Second, I think, actually guess, that I might know
where to read b+. I'm putting my black dmm lead on
ground and red on the top end of the large white
resistor, location R804. I'm getting a reading of
about 9V no matter which way I turn the b+ pot. When
the monitor was working, I did the same thing but the
voltage changed as I turned the b+ pot. I'm thinking
one of the transistors around that location may be
out.

I just can't believe I already messed up the chassis.
Is is possible for there to be damage to the HOT if b+
is set incorrectly, or any other transistors around
the location?

Lastly, I checked the tube with my BK 467 rejuvenator
and it looks fine.

Whats going on?

-Dustin

  
--- Dustin Holden <discuspro@yahoo.com> wrote:

> I just bought a 8liners chassis from 8liners.com,
> what
> I really got was a Wei-ya c825hr-02. I've got what
> is
> supposed to be a Hantarex polo 25" tube, it is a RCA
> a63adt10x05 tube.
>
> Well, I was not supplied with a manual for this
> chassis and cannot find one online. I'm trying to
> adjust the b+, I don't even know what is is supposed
> to be and where to test it.
>
> Also, something must have gone wrong. The screen
> was
> on one second then it just shut off even through the
> video signals were still supplied. The large two
> white resistors are not even getting warm like they
> did when it was working. Both fuses are good. I
> here
> screen hum. Maybe the output transistor when out
> already? I don't even know which one would be the
> HOT?
>
> -Dustin
>
>
>
>
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Received on Sun Feb 17 13:45:29 2008