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CASIO: ASA
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AKA: AS-A, AKA (Label): AS-A, Product number (P/N): ASA (AS-A),
Keywords/Tags: ASA (AS-A)
Date of intro: jul-1969, Dimensions: 330x130x100mm, Weight: 1700g,
Display: Type = Display (Nixie) (List), Brand = HITACHI: CD71, Digits = 12,
Keyboard: Reed-switch, Number of keys: 15, #Key-Black: 4, #Key-White: 11,
Classification: / Desktop with Display,
Featuring: Logic-technology: SSI (Small Scale Integration) / JMOS (Japanese MOS),
Related with: (Cables): Female_3-Holes: 0023x0013x0140; CASIO_docu: (Broch.) ASA: Auf anhieb elektronisch...; CASIO_docu: (Broch.) ASA: Electronic Abacus with Store; CASIO_docu: (Broch.) ASA: Neu, CASIO Elektronenrechner Modell AS-A; CASIO_docu: (Broch.) *: A brief introduction... (1972),
Components: 455 ... 50 Capacitor(s), 169 Diode(s), 182 Resistor(s), 19 Transistor(s), 35 IC(s),
Main Components: CASIO: 12GSB; HITACHI: HD713M {8x}; HITACHI: HD3103P; HITACHI: HD3104 {2x}; HITACHI: HD3106 {7x}; HITACHI: HD3107 {2x}; HITACHI: HD3112; NEC: µPD13C {5x}; NEC: µPD101C {5x}; NEC: µPD116C; NEC: D106A {3x},
Other components: HITACHI: 2SC284; HITACHI: 2SA617 {12x}; TOSHIBA: 2SC371 {6x},
Original Equipment Manufacturer : CASIO: ASA (List of all Export-OEM-models from CASIO), Resemblance with: CASIO: 121A (version-1); COMMODORE: 512,
Known Serial-numbers: 109694 | 110253 | 112537 | 206452 | 210113 | 210412 | 210499 | 211822 | 614172 | 615853 | 615872 | 617866 | 710969 | 713235 | 715956 | 716637 | 717483B | 718259 | 718869B | 725965 (List of all S/Ns from CASIO)
Initial Cost Price: 110000 JPY (€ 891,00), Collector value: 9/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: CURTAMANIA, Link-2: LEDUDU, Link-3: A-MUSEUM, Link-4: YouTube

Item

Box

Box (Polystyreen)

Internals

Internals (display)

Components: Overview

Internals (PCB)
#12G2C (12G-2(C))

Internals (PCB)
#12G1E (12G-1(E))

Label, name plate / Bottom
S/N: 716637

Created: 01-jan-2014, Manual-update: 30-oct-2021, Batch-update: 18-jan-2022             

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