Re: sega monitor adjustment help

You need a doner PCB unfortunately. No alternates exist and they were
custom.

William Boucher
http://www.biltronix.com

----- Original Message -----
From: "Mickey Johnson" <mickster@derbyworks.net>
To: <vectorlist@vectorlist.org>
Sent: Tuesday, March 08, 2011 10:06 PM
Subject: Re: VECTOR: sega monitor adjustment help

> are these chips available anywhere or do I need a doner pcb.
>
>
> ----- Original Message -----
> From: "Mark Jenison" <jenison@enteract.com>
> To: <vectorlist@vectorlist.org>
> Sent: Tuesday, March 08, 2011 9:00 PM
> Subject: Re: VECTOR: sega monitor adjustment help
>
>
>> Mickey,
>>
>> A bad custom chip on the main deflection board can cause this symptom.
>> Not saying that this is what's happening in your case, but I had the
>> exact same problem many years ago and it was because of the custom chip
>> (swapping in a known good one made the problem go away).
>>
>> --
>> Mark Jenison
>>
>> ----- Original Message -----
>> From: "Mickey Johnson" <mickster@derbyworks.net>
>> To: <vectorlist@vectorlist.org>
>> Sent: Monday, March 07, 2011 9:34 PM
>> Subject: VECTOR: sega monitor adjustment help
>>
>>
>> I have a sega star trek in a convert-a-cab.
>>
>> I have a nice bright picture, but it does have one issue. If the monitor
>> has to draw a box, it is the most evident, instead of being a square,
>> its more like a parallelgram. The lower part of the square is shifted to
>> the right a bit. I am used to adjusting atari games, but on sega I
>> really don't know what to do to fix this. I have recapped the monitor
>> with no improvement.
>>
>> Another example that shows the problem is a high score list. each score
>> starting at the top and going down is shifted a bit to the right.
>>
>> In star trek its not very noticable, but switching to eliminator or
>> zektor its very noticeable.
>>
>> I will say that all the vectors are connected very well and the
>> convergence and focus are also very good.
>>
>> thanks in advance for any help,
>> mickey
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>>
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>
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Received on Tue Mar 8 22:15:23 2011