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Hang Chung (Protek) 6502 faint trace
I am currently attempting to repair a Hung Chang (Protek) 6502
Oscilloscope. The fault is an extremely faint trace. I have been through the circuitry looking for obvious signs of trouble but everything looks OK. Does anyone have any experience with these CROs? Failing that can anyone point me in the direction of a schematic for the unit please. Any help would be greatly appreciated. Daniel |
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