Toshiba LC-827

Date of introduction:  1980 Display technology:  LCD (yellow)
New price:   Display size:  8
Size:  4.4" x 2.6" x 0.3"    
Weight:  1.9 ounces Serial No:  D25663
Batteries:  2*LR43  Date of manufacture:  year 1980
AC-Adapter:   Origin of manufacture:  Japan
Precision:  8 Integrated circuits:  NEC uPD1832G
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

LC-827_Back.jpg (144545 Byte)This Toshiba LC-827 replaced the earlier LC-825. The appearance of the two calculators is very similar, main difference in the combination of an [ON] and [OFF]-key instead the sliding switch.

LC-827_PCB.jpg (162629 Byte)LC-827_PCB1.jpg (118698 Byte)Dismantling this Toshiba LC-827 calculator manufactured around July 1980 in Hong Kong reveals a uPD1832G single-chip calculator circuit manufactured by Japanese company NEC instead the usual Toshiba chips. The uPD1832G is a stripped down variation of the uPD1833G located in Account Manager calculators like the National Semiconductor NS 103A or Texas Instruments TI-2200.


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Joerg Woerner, September 19, 2002. No reprints without written permission.