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Author Topic: Sega Nascar Arcade - Wells Gardner 9300 series monitor issue  (Read 1464 times)

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Irish2010

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Sega Nascar Arcade - Wells Gardner 9300 series monitor issue
« on: November 20, 2009, 06:23:51 pm »
I have a Sega Nascar Arcade with Wells Gardner 9300 series monitor.  Everything works great.  When I got it I noticed the the screen was rolling top to bottom.  After a while it stopped.  Then I noticed that the monitor was blinking on and off every so often.  Then one time it blink off and showed "No Signal" then came right back on.  I played around with it looking for loose wires.  No I have a issue with the H Size.  The screen is only about 1.5" wide and it is still rolling top to bottom.  I can't get it to adjust to the full screen.  Thhis is a 29" monitor that has the control bottons instead of the nobs you can turn.  It is a push button control.  With the screen being so skiney I can read it to see what the on screen menu is showing to adjust the H size.  Any sugestions on how to fix this?   

Irish2010

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Re: Sega Nascar Arcade - Wells Gardner 9300 series monitor issue
« Reply #1 on: November 20, 2009, 06:39:26 pm »
Here is a picture of what the screen looks like.


grantspain

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Re: Sega Nascar Arcade - Wells Gardner 9300 series monitor issue
« Reply #2 on: November 21, 2009, 05:05:49 am »
check for a bad solder joint

Irish2010

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Re: Sega Nascar Arcade - Wells Gardner 9300 series monitor issue
« Reply #3 on: November 21, 2009, 10:58:12 am »
is there a certain spot to look for this?

grantspain

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Re: Sega Nascar Arcade - Wells Gardner 9300 series monitor issue
« Reply #4 on: November 21, 2009, 12:13:30 pm »
check around flyback transformer,yoke connectors,horizontal deflection circuit -it could be almost  anywhere on the chassis
a quick check to make is to bang the side of cab to see if it affects the screen