Sanyo CX-8032
Brief History
CX-8032 is one of Sanyo’s silver colored plastic housing calculators from the 1970s. Its internals are very common in these days, the NEC uPD940 chip used in this machine is very popular not only in Sanyo calculators. Structure of keyboard is a bit complicated and has a lot of springs: the smaller one make the electric contact, the outer one holds the key, and the small springs between the keys make contacts between the foil circuit and the PCB.
| Manufacturer: | Sanyo Electric Co., Ltd. (Japan) |
| Mfg. date: | 1975 |
| Size: | 8×14,1×1,9 cm |
| Weight (ready for operate): | 182 g |
| Type: | four-function |
| Capacity: | 8 digits (input/display) 8 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | NEC uPD940C |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) |
| Features: | %calculation with percent +/-change sign (direct entry of negative numbers) Ffloating-point notation |
| Display: | 9 digit VFD (Futaba 9-ST-08A) |
| Power: | 2×AA-type battery 3V adaptor |
CX-8032
PCB of the CX-8032
Details of the keyboard
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