DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This SR-50 was manufactured
in May 1975 by |
The printed circuit board
(PCB) of the SR-50 is centered around the TMC0501 / TMC0521 building blocks. |
The
additional PCB found inside the SR-50 with the display
drivers, the LED-display and the keyboard assembly for the keys. |
The
date code of the Integrated Circuits (IC's)
indicating a manufacturing date of week 16 in the year 1975.
|
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 1, 2011. No reprints without written permission.