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I have a rigol ds1202 i got on clearance. I would love to take a look at the vertical drive input, but before I do (still new to scopes,) I should use a battery backup (in lieu of an isolation transformer) to power either the scope or the computer right? and a 1x-10x probe is fine right? As...

Sorry for the delayed response. I poured over the schematics by apple and bomarc for the analog board. I only noticed one possible problem with my recapping. I replaced C15 with a polarized cap, oriented correctly according to the silkscreen and schematics for polarity, but didn't realize the...

I may have seemed unclear. Please know this is not a rant, nor am I upset at the suggestion. My intention is to clarify. I'm not so much overwhelmed as seeking advice from those more experienced. The tda chips i bought are nos, i just felt a bit bait n switched by the seller over the brand...

I am trying to restore + mod an SE/30. I have done some work to the logic board and will have some questions about that to post in this thread after I do some due diligence. My first question relates to the analog board. I started by resoldering the connectors and any suspicious looking...