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Author Topic: Service manual - Protek P3502 (Hung Chang) Oscillo  (Read 511 times)
K0FSJ
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Posts: 1




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« on: May 03, 2009, 06:54:51 PM »

I could use a little help...

I have this Protek P3502 (aka Hung Chang 3502) oscilloscope that has a couple of power resistors that got cooked.

I don't have the service manual or a schematic so this is a nightmare to figure out. Smiley

Anyone have a schematic or service manual?

Btw, I think these resistors are part of either the horizontal or vertical amp (ultimately the signal finds its way to the tube and it looks sort of like a symmetrical circuit...  Huh)

Thanks!
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