DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The printed
circuit board (PCB) of the Galaxy 10 looks familiar to
us. Please notice the unfamiliar coding of the single-chip calculator circuit. |
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The printed
circuit board (PCB) of the Galaxy Junior is identical. The only
difference is the missing resistor to select the "TI-10" or "Junior" software in the calculator chip. |
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The
IC of the Galaxy 10 with the unusual 1110484-0002 part number.
|
An
identical part number was found in the early production Galaxy Junior. |
Later
Galaxy Junior with the more common CD4816 designation. |
The
internal construction of this late TI-30 Galaxy manufactured in Italy is
identical with the Galaxy 10 shown above. The calculator circuit is a CD4808. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, June 12, 2004. No reprints without written permission.