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Author Topic: WG 4900 Shrunk Vertically  (Read 2093 times)

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ncflagg

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WG 4900 Shrunk Vertically
« on: September 26, 2007, 03:28:47 pm »
I was trying out my J-Pac on my Double Dragon cab with a Wells Gardner 4900 and all was well. I turned off the cab. I came back later to do some more testing and I the screen had shrunk. I have verified that the J-Pac is still working as it should in another cabinet. I hooked up Double Dragon again with no change. This is one cab I haven't had to do any work on until now. Any help would be greatly appreciated.
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grantspain

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Re: WG 4900 Shrunk Vertically
« Reply #1 on: September 26, 2007, 03:33:40 pm »
you have a partial frame collapse,may be a bad solder joint if your lucky
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ncflagg

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Re: WG 4900 Shrunk Vertically
« Reply #2 on: September 26, 2007, 03:36:28 pm »
On the main circuit board or the neck board do you think? Should I just start reflowing everything?
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grantspain

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Re: WG 4900 Shrunk Vertically
« Reply #3 on: September 26, 2007, 03:40:18 pm »
main board i would say
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ncflagg

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Re: WG 4900 Shrunk Vertically
« Reply #4 on: September 26, 2007, 03:55:51 pm »
You said "if I'm lucky". What else would it be?
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grantspain

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Re: WG 4900 Shrunk Vertically
« Reply #5 on: September 26, 2007, 05:40:41 pm »
could be a cap,best bet is to PM ken layton as he has a vast knowledge of this chassis
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Ken Layton

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Re: WG 4900 Shrunk Vertically
« Reply #6 on: September 26, 2007, 06:22:47 pm »
Yup, put a capkit in it NOW before any other components get damaged from running it this way. This chassis is well known for many bad solder joints on the main board, in particular around the outer perimeter of the board.
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