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Author Topic: K7000 issues  (Read 470 times)

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setomage

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K7000 issues
« on: March 19, 2018, 03:02:47 am »
I'm having issues with my K7000 monitor, where I can't get anything on it.

When I power the monitor on by its self it looks like this

When I have a game connected and on it looks like this

Video to show what it looks like.
http://vincenjones.com/screen/MOV_0045.mp4

I tested two boards that I know that work, and two different JAMMA harnesses. One new, and one from a Golden Tee that also works. Any ideas?

grantspain

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Re: K7000 issues
« Reply #1 on: March 19, 2018, 06:54:48 pm »
it could be just focus wire broken off in crt socket
 could be broken focus pin on tube

can you see some movement is the picture?

setomage

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Re: K7000 issues
« Reply #2 on: March 19, 2018, 08:38:24 pm »
it could be just focus wire broken off in crt socket
 could be broken focus pin on tube

can you see some movement is the picture?

Yes. If I run Street Fighter EX, I can see when the intro runs. But it's still a black-ish screen. The video I linked too is what I recorded from my phone and shows what happens when the game runs.

grantspain

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Re: K7000 issues
« Reply #3 on: March 20, 2018, 04:53:05 am »
so either the focus wire is broken off in the crt socket or the focus pin has broken off the crt itself
slight possibility of flyback failure


setomage

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Re: K7000 issues
« Reply #4 on: March 20, 2018, 11:38:26 pm »
so either the focus wire is broken off in the crt socket or the focus pin has broken off the crt itself
slight possibility of flyback failure



Focus wire has continuity and is connected at bother ends. The pins connecting the flyback are all good, and the neck is also good. So Iím thinking the fly back died.  :'(

grantspain

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Re: K7000 issues
« Reply #5 on: March 21, 2018, 05:44:05 pm »
could be a bad crt socket- focus pin not contacting the socket correctly- could be flyback
intrigued to know how you proved continuity on the focus as it terminates in a sealed unit( the flyback)

  
 

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