A
A Vandermey
Guest
Hello
I have a Motorola r-2001c service monitor. The oscilloscope has no sweep on
the 100us, 10 us, and the 1us settings.
After testing and working thought the schematics I have replace many IC's
and still have no sweep. I have check the trigger circuit and have a trigger
signal into the 14428, there is an output on pin six very faintdue to speed.
there is no output on pin 10 or rather no square wave pulse. I have studied
the manual and need new direction . Is there another circuit I have missed,
I checked the time base and hold off.
Looking for assistance
Alex
avander@eol.ca
I have a Motorola r-2001c service monitor. The oscilloscope has no sweep on
the 100us, 10 us, and the 1us settings.
After testing and working thought the schematics I have replace many IC's
and still have no sweep. I have check the trigger circuit and have a trigger
signal into the 14428, there is an output on pin six very faintdue to speed.
there is no output on pin 10 or rather no square wave pulse. I have studied
the manual and need new direction . Is there another circuit I have missed,
I checked the time base and hold off.
Looking for assistance
Alex
avander@eol.ca