Johnson 500 Transmitter Restoration - continued
are the four major transformers from the PS/mod deck removed and newly painted.
harness cleaned up, repaired, ready for installation
after new cad plating - Wow, what a difference!
up of an important modification - replacement of the three original pin jacks
used for HV
with BNC connectors color-coded like the original jacks. Should be safer for the HV.
(I later changed the "red" BNC (modulated HV) to a Millen HV collector)
begins ... just like a Heathkit ... sort of ...
back in place
Bottom of HV chassis is complete; all capacitors
Another view of the completed HV chassis bottom
Top view of the completed HV chassis
view of the top of the completed HV chassis.
The modified HV connectors (BNC's) are clearly visible here.
this chassis weighs well over 100 pounds I decided that castors would be
a good idea. Here they are shown with the bottom plate installed.
Supply chassis complete with castors in place. Final step will be to install
detail showing aluminum gusset for added strength