Vectronics (MFJ) CK-200 uses the currently available CK-8045ABM chip
(28-pin) with adjustable
weight and tone, volume and speed controls, and dot-dash memories

MFJ offers the improved 8045ABM chip
http://www.mfjenterprises.com/produc...did=CK-8045ABM

CK-8045ABM Manual and Technical Application Notes
http://www.mfjenterprises.com/man/pdf/CK-8045ABM.pdf

w9gb

"Gus" wrote in message
oups.com...
I may have to go into my CK-200 to modify it to work with a keyer i
have. I would GREATLY (PLEASE!!!!) appreciate if someone could post a
schematic of this little puppy.. IF someone could help, i would be so
indebted.


Gus Rego

Cutis Keyer CK-200 Vectronics Schematic Request