Toshiba BC-0802 Calculator

Toshiba BC-0802 Calculator

Manufacturer: Toshiba

Model: BC-0802

Year: 1972

Form: Desktop

Functions: Basic four, constant

Number of Digits: 8

Display Type: VFI

Display: Toshiba E6504
Display: NEC LD8035
Display: Toshiba E6505
Logic Technology: LSI

Diodes: 22

Transistors: 7

IC Complement: Texas Instruments TMS 0105
Toshiba T3084 (4)
(5 total)

Tech. Data Level: 2

Tech. Data Source: RE

Tech. Data Pages: 1

Tech. Data: Schematic (pdf)

Notes:

Calculator IC in this unit is a TMS0112NC made by Toshiba.

Internal view (unit K66028). Observe the keyboard is a magnetic-reed-switch type, unusual in a calculator this small.

Main logic board.

- Unit Log -

Serial Number:	C56128
Year of Manufacture:	1972 (TMS 0105 IC stamped with 7209, display tubes stamped with 2D.)
Date of Receipt:	13 Mar 2001
Source:	PM second-hand store.
State upon Receipt:	Good physical condition. Internal power-line fuse blown.
Current State:	Fully functional (Mar 2001).

Date:	13 Mar 2001
Procedure:	Cleaned. Fuse replaced.

- Unit Log -

Serial Number:	K66028
Year of Manufacture:	1972 (TMS 0112 IC stamped with 7235, capacitor with 7228, case stamped with 47.5.8 or 47.8.5.)
Date of Receipt:	07 Jul 2001
Source:	MCC 41st & Fraser thrift store.
State upon Receipt:	Crack in case. Functional.
Current State:	Fully functional (08 Jul 2001).

Date:	08 Jul 2001
Procedure:	Cleaned. Crack glued.

Toshiba BC-0802
Calculators | Integrated Circuits | Displays | Simulations
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