Re: G05-801 Tech

You sure you got all the caps? Doesn't sound like it to me.

What are all the voltages when it's cold, and then as it warms up?
Sounds like some of your grid voltages go lower.

 jS

utahtaper wrote:
> It would appear that could have been part of the issue. I tried
> another tube and didn't notice the dot. However, after leaving the
> monitor on for a while the image gets brighter and brighter to the
> point where the brightness and contrast is turned all the way down but
> the image is still bright enough to still have retrace lines.
> ----- Original Message ----- From: <js@cimmeri.com>
> To: <vectorlist@vectorlist.org>
> Sent: Thursday, April 30, 2009 9:02 PM
> Subject: Re: VECTOR: G05-801 Tech
>
>
>>
>> I had that same problem with a bad CRT. Went away with another CRT.
>>
>> utahtaper wrote:
>>> I'm debugging an 801. Monitor has been capped and bottlecaps
>>> replaced. The monitor fully works however there is always a dot
>>> right in the middle of the screen(Like a spot killer dot) not a
>>> bright dot, but a dot none the less. The dot is even still there
>>> when the brightness and contrast are turned all the way down. Never
>>> ran across this one before. Anyone seen this before and have some
>>> suggestions?
>>> The dot is also there when the game turns off and slowly disappears
>>> as the voltage in the tube drops. Or if I bleed it off myself with
>>> my probe.
>>> Thanks in advance!
>>> Jason
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Received on Fri May 1 00:50:03 2009