Frogger Screen Vertical Lines

clydefrog

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Hello, I am posting here in the monitor section in hopes that someone might be able to identify this monitor issue. It is on a Frogger Machine. The monitor is a 19vmjp22 electrohome.
On the right side of the picture are very thin vertical lines running from top to bottom. The lines move just slightly from left to right. I don't want to try any adjustments without some opinions from more experienced people about what this might be. I uploaded a picture of the screen also.
Thank you,
 

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I would guess ultimately you'll need to cap kit the monitor. But for now turn the brightness down on the flyback. you're black should look black not like what you have now. Adjust the monitor bringing the picture to the left. See if the curl dissapears and the lines on the left could be because the picture is too far to the right. You might have to adjust the height of the screen as well - your pic doesn;t show the top but most games will have the credit info down at the bottom.
 
I would guess ultimately you'll need to cap kit the monitor. But for now turn the brightness down on the flyback. you're black should look black not like what you have now. Adjust the monitor bringing the picture to the left. See if the curl dissapears and the lines on the left could be because the picture is too far to the right. You might have to adjust the height of the screen as well - your pic doesn;t show the top but most games will have the credit info down at the bottom.

Hi, Thank you for taking the time to reply. I will try the adjustment you suggest on the flyback.

The other adjustments you suggest(bringing picture to the left and height of screen),Are these made at the neckboard? The neckboard on this monitor has two knobs nearer the back of the cabinet and three knobs nearer the front of the cabinet. The three nearer the front are the RGB. But the 2 nearer the back I am not sure what they are for.
Thanks again.
 
No, the neckboard contains only color controls. The adjustments you're looking for are right along the back of the chassis, and are labeled on the board. Centering is done by way of jumpers that are moved between tabs. The "screen" control, which controls the overall brightness of the screen, is on the flyback transformer. It is also labeled.

-Ian
 
No, the neckboard contains only color controls. The adjustments you're looking for are right along the back of the chassis, and are labeled on the board. Centering is done by way of jumpers that are moved between tabs. The "screen" control, which controls the overall brightness of the screen, is on the flyback transformer. It is also labeled.

-Ian

Thank you for the reply.
 
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