DATAMATH PICTURES

This PC-100 Printer Cradle was manufactured in April 1976 by
Texas Instruments in Lubbock, Texas (Date code LTA 1776 » wk 17 yr 1976).

The SR-56 : SR-52 selector.

The Main printed circuit board (PCB) of the PC-100 Printer Cradle is centered around the TMC0251
Printer Chip and TMC0561/0561 BROM Chips and supported by four Driver Chips for the Printing Head.

The second PCB of the PC-100 Printer Cradle provides the different power supply
voltages and three diodes for the Printer Cradle detection/switches.

Close-up view of the TMC0251 Printer/Display Chip.

Close-up view of the TMC0561 BROM Chip with the SR-52 Firmware for Printing.

Close-up view of the TMC0569 BROM Chip with the SR-56 Firmware for Printing.

Close-up view of one of the TP4050AN Clock Buffer Chip.

Close-up view of one of the SN96912N Driver Chips for the Thermal Printer Head.