View Single Post
Old 29th Feb 2020, 2:30 pm   #2
high_vacuum_house's Avatar
Join Date: May 2003
Location: Belper Derbyshire
Posts: 1,395
Default Re: Pye VT4 - no EHT

Good afternoon,
I presume the EY51 heater is lit, the valve hasnít lost its emission or there is a failure in the EY51 heater winding on the LOPT. I would check all these things first as these would cause no DC output from the cathode of the EY51.

Christopher Capener
A proper radio is one that needs to be moved with a wheelbarrow !!
high_vacuum_house is offline