Re: Need help with my G08 in my Sega Star Trek SOS

From: Craig Walker <craig_at_giz10p.co.uk>
Date: Fri Dec 28 2012 - 04:56:15 EST

Are you sure this is the monitor, I had a similar problem but in reverse
of everything going dim, then eventually off. I thought it was the
monitor too, chased around for a while, then found out it was the XY
control board. Still not fixed the issue yet!

Regards,
Craig

On 15/12/2012 12:34, Grant Thienemann wrote:
> Hey Andrew,
>
> Yes it seems like it just happening on the text, it was also doing it
> on all the ship status information on the top left quadrant as well,
> the shields, photons and warp drive as well.
>
> I found the following guide:
>
> http://users.rcn.com/jenison/mars/faq/G08_FAQ.pdf
>
> And they have a recommended cap kit for it that I was considering
> doing to the chassis to help the monitor run cooler as well.
>
> I then found this site as well:
>
> http://www.biltronix.com/Star_Trek_08.html
>
> And he recommended replacing certain ICs that had better everything
> for most of the components on the GO8.
>
> Let me know what you think!
>
> Thanks Andrew!
> Grant
>
> On Sat, Dec 15, 2012 at 7:18 AM, <akswanson@ntelos.net> wrote:
>> Can be fixed with a tacheon pulse. A little history on this one. I had it
>> for a while, and it had a bad HOT and HV generator IC. Anyway, the symptoms
>> were way different so I dont think its the same thing. There is an
>> adjustment pot to set the "protect" threshold. It looks like it was just
>> happening on the text in the video? It looks like a bad connection in the
>> monitor somewhere? Grant, does this happen on all the graphics, or just the
>> text?
>>
>>
>>
>> Andrew
>>
>>
>>
>>> It looks like the HV protection is trying to kick in.
>>>
>>> You could check for a solid 100V on the HV regulator board.
>>> Other than that, you could tweak one or more of those pots on the HV cage.
>>>
>>> Kerry
>>>
>>> ---- Grant Thienemann <grant.thienemann@gmail.com> wrote:
>>>> Hey Guys,
>>>>
>>>> My G08 started doing something really weird today and I don't have a
>>>> clue what is causing it! Here is a video of whats it doing:
>>>>
>>>> http://youtu.be/3eRv3aQNZ84
>>>>
>>>> I can hear the vector monitor "chattering" when it does that, I did
>>>> change the transformer so that the monitor is only getting 45V but the
>>>> monitor was doing this BEFORE I did that upgrade.
>>>>
>>>> Any help would be greatly appreciated! Could this be a power supply
>>>> issue? I'm made sure all the connections are tight. Do I need to do a
>>>> cap kit on the chassis?
>>>>
>>>> Thank you for looking!
>>>> -Grant
>>>>
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>>>
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Received on Fri Dec 28 04:56:40 2012

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