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Old 08-08-2013, 11:12 AM
TinCanAlley's Avatar
TinCanAlley TinCanAlley is offline
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Join Date: Sep 2008
Location: So Cal, CA
Posts: 1,007
I'm doing the best I can. I'm new to this and am doing the things I can do/know how to do. If those don't work, then I can start to tackle the harder things. I don't own a scope, so I'll have to borrow one. I've read through the SM and don't fully understand how to test the blanking circuit, etc.

I'm willing to go all the way in testing an fixing you you're willing to help and understand I'm pretty new to all this.

My first fix is to undo something I just did. If this problem sounds familiar, yell. After changing the horizontal board and caps, I now have a strange effect on the screen. It's hard to explain, but I think if you've seen it before, you'll understand. There are invisible waves rolling diagonally across the screen towards the upper left corner for a moment. They then stop and reverse direction rolling down towards the lower left. They stop again and reverse. The closest I can give an example of is when you're adjusting the APC to get the movement out of the color bars, except these aren't colors rolling, just invisible waves. I'm not sure if it's the what I did, or some other interference that's being introduced.

The chassis is the 25EC58 and if you want to point to things to test/replace, please fire away!

Thanks!
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