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Additional Pictures 

 

This TI ViewScreen 85 was manufactured in February 1995 by 
Texas Instruments in Lubbock, TX (Date code LTA95   yr 1995).

The TI ViewScreen 85 units manufactured between 1994 and 1997 support
only the TI-85 ViewScreen Calculator.

The printed circuit board (PCB) of this TI ViewScreen 85 manufactured in February 1995 is centered around a set of Toshiba T6A39
and T6A40 display drivers with some additional components and connected to a huge, transmissive LCD Screen.

The first Toshiba T6A39 
column driver.

The second Toshiba T6A39 
column driver.

The single Toshiba T6A40
row driver.


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

Joerg Woerner, August 9, 2020. No reprints without written permission.