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Texas Instruments TI-31 Solar (Japan)

Date of introduction:  1986 Display technology:  LCD
New price:   Display size:  8 (5 + 2)
Size:  5.4" x 2.8" x 0.45"    
Weight:  2.4 ounces Serial No:  169519
Batteries:  n.a. Date of manufacture:  mth 07 year 1986
AC-Adapter:   Origin of manufacture:  Japan (T)
Precision:  11 Integrated circuits:  Toshiba T6974S
Memories:  1    
Program steps:   Courtesy of:  Stefan Klaes

TI-31SLR_3_SC.jpg (17989 Byte)Only few month after introduction of the original TI-31 engineers at Toshiba choosed smaller solar cells and the calculator was renamed to TI-31 SOLAR. 

TI-31SLR_3_IC.jpg (47301 Byte)The electronics inside the TI-31 SOLAR uses still the Toshiba T6974S single-chip calculator circuit discovered in the TI-30 SLR

Later the production of the TI-31 SOLAR was shifted to China.

 



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© Joerg Woerner, September 23, 2003. No reprints without written permission.