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I purchased a used Tektronix TDS784C It had a bad CRT "washed out and dim" and it also has a acquisition error.
I have fixed the CRT with my Sencore CR700 rejuvenation box. Looks awesome!
however I am stuck with acquisition errors.
What I have noticed.
Channel 2 seems to have a noise on it. All the rest of the channels show back ground noise and channel two shows a wave form.
I also get "ERROR!!digHFStepDiag 198"
"ERROR!BHTE mode in demux 198"
I already pulled and re-soldered the relays on the attenuation boards.
I am a total newbie with these scopes. I barley know how to use the menus on this thing.
Any ideas on what I should check next?
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