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Author Topic: Wells Gardner Monitor not turning on  (Read 2943 times)

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ryanhaws

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Wells Gardner Monitor not turning on
« on: July 22, 2007, 09:52:30 pm »
I bought a Golden Tee 99 game but the monitor won't power on.  It's a Wells Gardner monitor. The sounds, marquee light and fan turn but not the monitor.  The yellow and green lights on the game board light up.  I plugged the game board to a different jamma game and it plays normally.  There is no light to the neck of the monitor at all (in the filaments?).  Please help me troubleshoot this.  What should I do first?  Thanks
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t8erbug

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Re: Wells Gardner Monitor not turning on
« Reply #1 on: July 22, 2007, 10:34:04 pm »
I probably can't help much but I'm in the same place with a w/g 25k7191. I found the 2A fuse on the board burned out. The only problem I have is after replacing it, the fuse blew as soon as I powered up the game. Mine is a "Skins Gam". Ill be interested in what you find.
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Ken Layton

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Re: Wells Gardner Monitor not turning on
« Reply #2 on: July 23, 2007, 01:33:45 am »
Quote from: ryanhaws on July 22, 2007, 09:52:30 pm
I bought a Golden Tee 99 game but the monitor won't power on.  It's a Wells Gardner monitor. The sounds, marquee light and fan turn but not the monitor.  The yellow and green lights on the game board light up.  I plugged the game board to a different jamma game and it plays normally.  There is no light to the neck of the monitor at all (in the filaments?).  Please help me troubleshoot this.  What should I do first?  Thanks

First thing to do is GET THE MODEL NUMBER OF THE MONITOR!
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ryanhaws

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Re: Wells Gardner Monitor not turning on
« Reply #3 on: July 23, 2007, 09:27:02 pm »
The deflection board is "p963" and the monitor has WG 1405968 on it.  I checked the fuse and it's fine.  Where do I start?
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Kevin Mullins

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Re: Wells Gardner Monitor not turning on
« Reply #4 on: July 23, 2007, 11:13:49 pm »
Are you sure it doesn't say P763 ?
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Not a technician . . . . just a DIY'er.

ryanhaws

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Re: Wells Gardner Monitor not turning on
« Reply #5 on: July 26, 2007, 09:48:53 pm »
Yes, the deflection board says P763.  Sorry, that was a typo.  Okay, what should be done first?
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SirPeale

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Re: Wells Gardner Monitor not turning on
« Reply #6 on: July 27, 2007, 07:56:57 am »
So you've got a K7401.
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ryanhaws

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Re: Wells Gardner Monitor not turning on
« Reply #7 on: July 30, 2007, 09:46:02 pm »
okay I discharged the montitor and removed the deflection and neck board.  I looked for places that the solder may have come loose.  I only found one joint that needed to be resoldered.  I fixed that but still no change. 
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ryanhaws

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Re: Wells Gardner Monitor not turning on
« Reply #8 on: August 04, 2007, 01:32:08 pm »
I believe the neck board is working properly.  The deflection board is not through.  What are the most common things to break on the deflection board.  What should I check first and how.  Thanks in advance to anyone willing to help!

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Q*Bert_OP

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Re: Wells Gardner Monitor not turning on
« Reply #9 on: August 05, 2007, 12:29:12 pm »
Is the fuse on the chassis ok? Deflection transistors? Flyback cracked or burned?
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ryanhaws

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Re: Wells Gardner Monitor not turning on
« Reply #10 on: August 05, 2007, 01:57:49 pm »
I checked the fuse and it's okay.  How do I check the Deflection transistors and flyback for problems?
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