Hi Peter

I did some searching and came up with these results.

http://www.qsl.net/ke4mob/
http://www.mods.dk/index.php?ListManuals=mfj
With mods.dk register for a free subscription. The 1278 manual they
have does not show the schematic but is a 407 page (1.806kb pdf)
manual.
Not sure if this will help.

Richard



Peter Hofmann wrote:
I am searching the circuit diagrams/schematics for a MFJ-1278B Multimode
Controller. Thanks in advance