Re: [ukvac] Tech : Hantarex MTC 9000 20"
In message <001d01c0e932$aa089660$890c7ad5@hal>, Bilz
<billyman@btinternet.com> writes
Sounds like the sync is either not reaching the monitor. Is the slide
switch set for negative sync. Try moving it to the other position and
see if this helps.
Steve.
>I'm having trouble with the V.hold on a Hantarex MTC 9000 (in a Jammatized
>Sega Megatech - btw it already converted when I was given it!)
>
>The adjustment pot was all over the place so I replaced it with a 4K7 preset
>and it is now easier to adjust - the problem is that after after adjusting
>it perfectly, when turning the machine off and on again the screen rolls
>down slowly for a few seconds before holding at a random point - normally
>way off and in need of adjusting again! Is there anything I can do to help
>this or am I stuck with adjusting the picture every time I turn the machine
>on? Would fitting a cap kit possibly help this or is it more likely just a
>problem with the small adjustment module only?
>
>One thing I have noticed is the speed that the screen scrolls down at the
>beginning is different for some boards (faster on SFII then Dynablaster for
>example!
>
>If anyone could give any advice I would be extremely grateful as I'm
>stumped!
>
>Cheers
>
>Bilz
>bilz@kernowweb.co.uk
>
>
>
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
--
Steve Huntley.
Swallow Amusement Machines.
*** Pinball and Videos ***
http://www.coin.demon.co.uk
Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
In message <001d01c0e932$aa089660$890c7ad5@hal>, Bilz
<billyman@btinternet.com> writes
Sounds like the sync is either not reaching the monitor. Is the slide
switch set for negative sync. Try moving it to the other position and
see if this helps.
Steve.
>I'm having trouble with the V.hold on a Hantarex MTC 9000 (in a Jammatized
>Sega Megatech - btw it already converted when I was given it!)
>
>The adjustment pot was all over the place so I replaced it with a 4K7 preset
>and it is now easier to adjust - the problem is that after after adjusting
>it perfectly, when turning the machine off and on again the screen rolls
>down slowly for a few seconds before holding at a random point - normally
>way off and in need of adjusting again! Is there anything I can do to help
>this or am I stuck with adjusting the picture every time I turn the machine
>on? Would fitting a cap kit possibly help this or is it more likely just a
>problem with the small adjustment module only?
>
>One thing I have noticed is the speed that the screen scrolls down at the
>beginning is different for some boards (faster on SFII then Dynablaster for
>example!
>
>If anyone could give any advice I would be extremely grateful as I'm
>stumped!
>
>Cheers
>
>Bilz
>bilz@kernowweb.co.uk
>
>
>
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
--
Steve Huntley.
Swallow Amusement Machines.
*** Pinball and Videos ***
http://www.coin.demon.co.uk
Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/