@@polaraligned1 It's ok. I was going to over dub that but so much is over dubbed anyway! I nearly binned the whole video but thought it might be interesting. I'm just so pleased I managed to get it working. It's a bit out of my comfort zone.
Yes but as I was doing a thorough job I felt it prudent to test each one to see if it was still working within spec and they all were. To be honest I had never seen tants like these. They look like small axial electrolytic caps! This repair brought up several items which had me questioning things with tants looking like electrolytic and radials looking like dual axials.
And they usually let you know quite clearly when they have failed. The group wisdom Tek and HP test equipment is to derate them: Don’t run them close to their rated voltage.
The switch cap you mentioned is a knob for a concentric rotary switch. It does not have CAL printed on it, rather it is the MODE selector. 😊
That top cover isn't plastic. It is aluminum with a vinyl coating as was all HP stuff from this era.
I know, I realised that just after I said it :-)
@@cowasakiElectronics I didn't mean to be picky 🙂
@@polaraligned1 It's ok. I was going to over dub that but so much is over dubbed anyway! I nearly binned the whole video but thought it might be interesting. I'm just so pleased I managed to get it working. It's a bit out of my comfort zone.
tants go dead short , ive not sean any in 40 years go low value
Yes but as I was doing a thorough job I felt it prudent to test each one to see if it was still working within spec and they all were. To be honest I had never seen tants like these. They look like small axial electrolytic caps! This repair brought up several items which had me questioning things with tants looking like electrolytic and radials looking like dual axials.
And they usually let you know quite clearly when they have failed. The group wisdom Tek and HP test equipment is to derate them: Don’t run them close to their rated voltage.