[Heathkit] Info needed - HR-10B replace V5 6BJ7 with 1N4148 diodes modification

[Howard Weinstein]

Heath Gang,

I would like to perform the the modification to an HR-10B that replaces V5,
a 6BJ7 with three 1N4148 diodes.

Can anyone refer me to a procedure with a schematic or photo that details
this procedure.

Tnx es 73 de Howie K3HW