Digimatic D8 (Model No. 41024) Calculator

Digimatic D8 (Model No. 41024) Calculator

Manufacturer: Digimatic

Model: D8 (Model No. 41024)

Year: 1974

Form: Pocket

Functions: Scientific

Number of Digits: 8

Display Type: LED

Logic Technology: LSI

Diodes: 13

Transistors: 6

IC Complement: Rockwell A4001 15471PA
ITT B6249 (2)
ITT B6370 (2)
(5 total)

Batteries: (?) NiCd

Power Connector: (?), 3-pin special
(replacement: 3.5 to 6VDC, + tip, DC)
Tech. Data Level: 2

Tech. Data Source: RE

Tech. Data Pages: 1

Tech. Data: Schematic (pdf)

Another Digimatic model made for Sears by Bowmar.

- Unit Log -

Serial Number:	118685
Year of Manufacture:	1974 (A4001 IC stamped with 7426, others ICs with 7411, 7413, 7414.)
Date of Receipt:	21 May 2001
Source:	de Champlain.
State upon Receipt:	Fair physical condition, original power connector had been removed and a hole made in the side for a new connector. Functional, except "L" low battery indicator always on. Rechargeable battery pack had been removed.
Current State:	Fully functional (2020 Feb) (28 May 2001).

Date:	28 May 2001
Procedure:	Cleaned.

Date:	28 May 2001
Symptoms:	"L" low battery indicator always on.
Solution:	750 ohm resistor in voltage sensing circuit had drifted up to ~950 ohms. Replaced.

Digimatic D8 (Model No. 41024)
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