DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The battery
compartment of the SR-51 gives access to the electrical contacts used to connect the PC-100 printer cradle.
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| The Main printed circuit
board (PCB) of a SR-51
calculator. The brain of the calculator uses the TMC0501 and a stack of 2 SCOM (TMC0522,523) circuits. A second PCB holds the keys, display and driver circuits.
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| The Display and Keyboard
PCB of the SR-51 with two Texas Instruments SN27882 display drivers and fourteen 7-segment LED-Displays.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 24, 2008. No reprints without written permission.
