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Galaga question
Question from John: Hi Guys,
I recently acquired a Galaga that is suffering from what I believe is vertical collapse. It does appear to be playing blind. I have attached a picture (alot of burn-in ). I do not see an IC around the video board. There are a couple of components mounted on heat sinks that look like power transistors. One thing I tried was to re-flow the solder where the daughter board connectors were installed on the main. The chassis is a Wells Gardner 19K4500. Any ideas that you can provide is appreciated. Also if you have any links to documentation on this chassis would be helpful.
One last thing….any recommendations on a replacement tube ?
Thanks for your time,
John from Cambridge, Ohio
PS Love those podcasts! Any new ones on the horizon?
1 answer
Response from Tim: I think that monitor and the K4600 are similar. YOu can check TR305 and TR306 then TR301-307 if those components are found on your monitor chassis. You def have a vertical deflection problem. Here are the schematics.
http://arcarc.xmission.com/PDF_Monitors/Wells%20Gardner%20WG-K4500%20Schematic.pdf
Hope that helps
Tim
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