Centipede - WG 4900 Monitor Question

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Centipede - WG 4900 Monitor Question - What is my problem ..

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Kajunlion

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Since: Oct 21, 2007
Posts: 2

(Msg. 1) Posted: Sun Oct 21, 2007 2:01 am Post subject: Centipede - WG 4900 Monitor Question - What is my problem called so I can search? Archived from groups: rec>games>video>arcade>collecting (more info?)

I have capped it and it has worked fine. Now at the top of the screen, it goes down at an angle about 1 inch they goes back up and down. I do not know what to search for in the older post. I think maybe a cap went bad on me. Can you tell me what the condition is called to I can search and ask for help. Thanks Kajunlion >> Stay informed about: Centipede - WG 4900 Monitor Question - What is my problem ..

pepelepew

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Since: Oct 21, 2007
Posts: 3

(Msg. 2) Posted: Sun Oct 21, 2007 6:19 am
Post subject: Re: Centipede - WG 4900 Monitor Question - What is my problem called so I can search? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Try replacing C313.. sounds like vertical deflection problem or
tearing.
Rick

>> Stay informed about: Centipede - WG 4900 Monitor Question - What is my problem ..

barakawins

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Since: Oct 21, 2007
Posts: 1

(Msg. 3) Posted: Sun Oct 21, 2007 6:35 am Post subject: Re: Centipede - WG 4900 Monitor Question - What is my problem called so I can search? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

On Oct 21, 9:19 am, pepele....RemoveThis@insightbb.com wrote: > Try replacing C313.. sounds like vertical deflection problem or > tearing. > Rick Look for any caps on the board that don't appear flat on top. I recently was working on a megatouch machine. The chassis was hissing. I looked through the caps and found that the 330uf 400v cap that runs high voltage through it was bad. The cap swelled in top and wasn't flat, also there was one cap on the chassis like this and one on the neck board. Replaced all and everything is fine now. John >> Stay informed about: Centipede - WG 4900 Monitor Question - What is my problem ..

syncbus

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Since: Oct 21, 2007
Posts: 10

(Msg. 4) Posted: Sun Oct 21, 2007 7:26 am Post subject: Re: Centipede - WG 4900 Monitor Question - What is my problem called so I can search? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

I had a 4900 doing something similar a few years back, it would pulse between full screen and a single line. It turned out to be a bad pot on the vertical deflection which I found after working on nearly everything else on the board! 4900's used a different type of pot and they seem to be prone to strange failures. It sounds like the same thing you're seeing. Let us know what you find out for the archive. Mike Doyle On Oct 20, 11:20 pm, Kajunlion <kajunl....TakeThisOut@yahoo.com> wrote: > I have capped it and it has worked fine. Now at the top of the screen, > it goes down at an angle about 1 inch they goes back up and down. I do > not know what to search for in the older post. > > I think maybe a cap went bad on me. > > Can you tell me what the condition is called to I can search and ask > for help. > > Thanks > Kajunlion >> Stay informed about: Centipede - WG 4900 Monitor Question - What is my problem ..

Kajunlion

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Since: Oct 21, 2007
Posts: 2

(Msg. 5) Posted: Sun Oct 21, 2007 7:13 pm Post subject: Re: Centipede - WG 4900 Monitor Question - What is my problem called so I can search? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Sorry about saying it is a 4900. It is a G07 Thanks for any advice Kajunlion >> Stay informed about: Centipede - WG 4900 Monitor Question - What is my problem ..

gamefixer

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Since: Aug 27, 2007
Posts: 32

(Msg. 6) Posted: Mon Oct 22, 2007 7:03 am Post subject: Re: Centipede - WG 4900 Monitor Question - What is my problem called so I can search? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

On Oct 20, 10:20 pm, Kajunlion <kajunl....TakeThisOut@yahoo.com> wrote: > I have capped it and it has worked fine. Now at the top of the screen, > it goes down at an angle about 1 inch they goes back up and down. I do > not know what to search for in the older post. > > I think maybe a cap went bad on me. > > Can you tell me what the condition is called to I can search and ask > for help. > > Thanks > Kajunlion Can you take a picture and post somewhere? What game is it running? Could be a horizontal tear. Matt >> Stay informed about: Centipede - WG 4900 Monitor Question - What is my problem ..

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