[amsat-bb] Need schematic

[James Clay French KD4DLA <kd4kla@xxxxxxxx>]

hello everyone.

Could someone help a "technically challanged" tinkerer here?

I need a little help with a CT-17 CI-V interface from Icom.
Specificlly I need the schematic for the unit to repair it.
I think I took out the voltage regulator in it, but the number on the
regulator doesn't make sense to me. The numbers on the transistor are:

TA78L

I looked up the schematic that the ARRL has in the handbooks for this
type of interface and it's listed as a 78M05 voltage regulator.

Am I to assume that I could use a 78M05 to replace the one in the Icom
unit or should I use something else?

I got this unit for only twenty dollars at a swap a couple of years ago
and had to change out the MAX232 then. It has worked since till now.


Thanks in advance,
James KD4DLA

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