1425 Pentronics monitor will not adjust

[fairway2000]

I have a model 1425 Pentronics monitor.I can not get the picture to stop rolling or bending and jumping.I just installed 2 . The first took about 2 min. to adjust.
One thing it does is makes a pop noise and ark's around the ground strap that raps around the out side of the monitor. What am I missing? I did change the remote adjusting board.

Now it will at times slowly go dark. Like it is loosing power.

Thanks for any help.

[grantspain]

if you have arcing to the earth strap then its likely to be a damp/dirt issue on your ht lead-as for your picture issue,do you have a curve at the top of the picture?

[fairway2000]

It is rolling left right up and down. I can see the picture.

[grantspain]

whats the history on this monitor,by what you say now its a frequency or sinc problem,what are you trying to display mame or standard arcade

[fairway2000]

It is a new kit that I put in my old frame. The game is a California speed. I have 2. The other monitor is the same. And works in the game I have the problem with. So we know it is not the game.Thanks for the help.

I am running it at med. rez (25). I have tried standard (15) and it is the same.

Now it will at times slowly go dark. Like it is loosing power.

[grantspain]

sounds like a fault on the flyback,if its new get it replaced by the seller

[fairway2000]

Would you think it could be the picture tube? Need to know witch one to replace first.

Thanks

[grantspain]

tube faults are extremely rare,i very much doubt this is a tube fault-just exchange the chassis