[TenTec] [] Running a Century 21 on external 12V power

[Stuart Rohre]

Do the bridge replacement before you evaluate the transformer on the 
bench.  That way, you don't mask one problem with antother.  A good rule 
of troubleshooting is change ONLY ONE THING AT A TIME.  Keep good notes 
on your steps.
73.
Stuart Rohre
K5KVH