RE: Konami Circus Charlie Red Lines

Hi Everyone,

Thanks for the tips. I had already replaced the power supply because the
original didn't have an adjustable +5V. I have tested other boards
(Hypersports / Pooyan / Gyruss) in the cabinet and they work fine from a
graphic perspective.

Gonna mess with the ROMs this week to see if it helps. Also, I don't
think it's power because if you look at pic 89 you can see that the red
lines go around the Logo. Looks like it's confined to a particular plane.

Any other hints would be appreciated.

Thanks,

-Al-

> I was going to say a low +5 voltage; I have seen low voltages cause a
> variety of issues including graphic/screen "noise".
>
> Peace!
>
> [Get Delete FXP Files 1.0 Now! http://www.deletefxpfiles.com/]
> -=- James R. Twine, MCP, (jtwine@jrtwine.com)
> -----BEGIN GEEK CODE BLOCK-----
> Version: 3.12
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> ------END GEEK CODE BLOCK------
>
>> -----Original Message-----
>> From: John Robertson [mailto:jrr@flippers.com]
>> Sent: Sunday, January 11, 2004 6:57 PM
>> To: rasterlist@vectorlist.org; rasterlist@vectorlist.org
>> Subject: Re: RASTER: Konami Circus Charlie Red Lines
>>
>>
>> If these lines drift around a bit I would be checking the
>> power supplies.
>> Looks to me like ripple on either the -5 or +12VDC supply.
>> Might be on the
>> regular +5 as well...so check them all!
>>
>> John :-#)#
>>
>> At 02:37 PM 11/01/2004, Al Warner wrote:
>>
>> >Hi Everyone,
>> >
>> >I have Circus Charlie board that works fine except that it
>> had these bad
>> >lines going through the main screen. I did some checks on Google and
>> someone asked a similar question about another Konami game,
>> but got no
>> >answer. I have swapped out the video RAM so that's not it.
>> I'm going to
>> >mess with the ROMs now (already cleaned), but any advise would be
>> appreciated. Screen shots at http://www.alsarcade.com/cc/pics
>> >
>> >Thanks,
>> >
>> >-Al-
>> >
>> >-=-=-=-=-=-=-=-=-=-=-=-=-
>> >Visit Al's Arcade
>> >http://www.alsarcade.com
>> >-=-=-=-=-=-=-=-=-=-=-=-=-
>> >
>> >
>> >
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Received on Sun Jan 11 22:22:53 2004