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Additional Pictures 

 

The dismantled SR-51-II looks different to the TI-30. 
Main difference is that the calculators electronics
carries the display module not vice versa. 

The electronics removed from the housing shows 
a display module and the power supply. 

Removing all components step by step

The power supply with on/off-switch 
and battery connection.

The calculator electroncis of a SR-51-II is well-known:
The famous TMC0501, the TMC0581 SCOM and two display drivers. 


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

Stefan Klaes and Joerg Woerner, July 5, 2002. No reprints without written permission.