So I'm thinking "throw away the tek 420a i can't find a power supply replacement*".
I'm looking at Hantek $200 - $500 models. I am unsure which and how long they will last. I am guessing if the power dies they will not be repairable. So
how long should I guess I will own it? That would help me decide between models. (EEVBlog gave a horrid review of "touchpad scope" fnf1rn or what - so that's out the window)
Measuring $/(hours_on), low hobby budget.I very much remember the "scopes in the dumpster" EEVblog episode. I'm unsure if I have money to set down $500 if I know the scope will fry itself in a 2 yr. I'd be the $200 customer or even put off getting one if they are 2yr not 10yr builds. (and the features are changing so quick: Hantek is on the move.)
Should I consider a $500 low-end Keysight or Tek (that appear to be cheap chinese units) as will "lasting longer and better to own", or no, they will die just as soon and be less featured as to new hantek $500?
I'm a linux users I'm not helped by "win10 only", nor will i plug any wire into my PC from any project board. I like "hackable" but - for money - knobs and display and results: are good too.
Tek 420a: slowly had issues coming on - then just stopped. Caps were good. I think the transformer was dead (my chart says - i disconnected it completely after suspicion ran many tests - sometimes using power from the ps), I couldn't be sure. No schematic available u kno. I burned the ps up after about 100 tests transformer I/O i mistakenly shorted it went right to power control IC (i was searching for possible issue that wasn't transformer's fault with just a multimeter). I (assume) I can't replace the ps - there are like 40+ pins to power - at least three voltages, and who knows what they didn't document on 20 pins they didn't document
Scope obviously was not connected during any test whatsoever - sure it works still.