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Additional Pictures 

 

Keyboard side of the PCB. The 42-pin calculator
chip is an early Toshiba T3532 manufactured in 1977.

The LC-display was manufactured mid of 1976 by Hinshu Seiki Co, Ltd. 
Better known as EPSON. Please notice the small springs to connect the
LCD with the PCB.

The first design of the TI-1750 uses 3 coin-type batteries.


If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, May 15, 2002. No reprints without written permission.