How To Replace A Neck Board Socket {Wells Gardner K7000 Series}

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Hello I'm Will and in this video I show how to replace a damaged socket on a Wells Gardner K7000 Neck Board. It's a very easy process to replace these old sockets and with a little soldering practice anyone can do it with ease.
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Опубликовано:

7 сен 2024

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Комментарии : 6

@carlosfields9937 Год назад

Thanks for taking the time to share. Thanks!

@sumobast Год назад

Thanks Will, your videos are so helpful. Looking forward to the rest of the series. Cheers.

@waynegram8907 Год назад

It would be nice to go over the theory in a video lesson of why arcade monitors use an isolated transformer to isolate the grounds. If you connect an oscilloscope to measure the arcade monitors waveforms signals of the vertical deflection, horizontal deflection, etc it will damage the oscilloscope because the Oscope is earth grounded and the arcade monitors circuits are NOT connected to earth ground. For some reasons when you connect the Oscope probe to measure a waveform or test point on an arcade monitor it will damage the Oscope because the probe grounds the arcade monitor circuit board which puts very high voltage to ground. I have no idea why arcade monitors designers did this because its not safe at all.

@willsarcadeservice4599 Год назад

That's a great point I didn't think of before, it really is a weird design especially if you use a scope to test a monitor. I can say for sure I've damaged a scope in the past from doing that exact thing.

@waynegram8907 Год назад

@@willsarcadeservice4599 Most Arcade techs don't know and they damage Oscopes doing this. You have to use a 2 channel Oscope and set it to ADD mode then INVERT ch#2. You don't use the probes grounds and use ch#2 probe connect it to ground arcade monitors chassis frame. Then with Ch#1 you can measure the monitors waveforms without damaging the Oscope. You can measure the Red, Blue and Green signals before the Sync Separator IC chip and After the Sync Separator. You can measure the H sync and V sync before going to the V deflection circuit and H deflection circuit which are High Voltage circuits. The Oscope has a MAX voltage rating so if its more than 300vac or 500vac you can't measure the V&H Deflection circuits but its something to go over in the video lesson so arcade repair techs should know this stuff.

@willsarcadeservice4599 Год назад

@@waynegram8907 Thank you for the info, I made notes of everything you said so when I get a scope I'll make sure to do this so I don't damage it. Again, thank you very much.