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Texas Instruments TI-1766 (4rd design)

Date of introduction:  1983 Display technology:  LCD
New price:  $18.00 Display size:  8
Size:  7.5" x 3.3" x 0.85"
 112 x 65 x 7 mm3
   
Weight:  7.6 ounces, 48 grams Serial No:  661899
Batteries:  n.a.  Date of manufacture:  mth 04 year 1984
AC-Adapter:   Origin of manufacture:  Japan
Precision:  8 Integrated circuits:  Toshiba T6853BS
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

With the TI-1766 Texas Instruments entered 1981 the market of LCD-calculators powered by solar cells. During the life cycle the internal construction and the design got slighly revisions. This late model was manufactured in 1984 and uses a printed circuit board similar to the TI-1895.


TI-1766_3_PCB.jpg (48037 Byte)The printed circuit board (PCB) inside this TI-1766 manufactured April, 1984 carries the designation "Toshiba TI-1766III". How to distinguish between the
1st design, 2nd design, 3rd design and this 4rd design?

  1st design 2nd design  3rd design  4rd design 
Solar cells 10 elements 10 elements 4 elements 5 elements
Name SOLAR AND LIGHT POWER LIGHT POWERED LIGHT POWERED LIGHT POWERED
Place of TI logo Above solar cells Above solar cells Above solar cells Below keyboard
PCB revision TI-1766 TI-1766 SOLAR TI-1766II TI-1766III
Calculator chip Toshiba T6758S Toshiba T6758S Toshiba T6789S Toshiba T6853BS


Don't miss the TI-1766 II introduced in 1986.

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

Joerg Woerner, December 20, 2002. No reprints without written permission.