Hi all,
Just acquired a 475A via eBay.
All seems to work except the trigger source switch which may just need adjustment/contact cleaning.
Someone already replaced CR1462 with a larger diode bridge, and the fan motor is noisy.
However, I need replacement knobs for A & B trigger slope (the outer grey ones). Can anyone help with these?
I notice the trace is not as fine as that on my trusty HP1740A: maybe the EHT is too low?
Regards,
David Collier
Canberra
