7A16A with an unknown modification MOD515D


Mark
 

I came across this 7A16A on Ebay cheap so I bought it. Good entertainment!

It has a strange modification that I cannot identify. Looked everywhere I can think of but can't find any info on it...

https://groups.io/g/TekScopes/album?id=263432

It seems to work but the attenuator range is off and when you reposition the trace with it's control it also affects the signal level.

If I can't find any info on it I will most likely just remove the mod and return it to a normal 7A16A state.

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