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Additional Pictures 

 

Speak & Spell, Version 1
Printed Circuit Board with two keyboard panels known from the TI-1200.

Speak & Spell, Version 1
Printed Circuit Board (PCB) without the keyboards. Please note the two Speech ROM's
and the housing options of the TMC0271 single-chip microcomputer.

Speak & Spell (English Voices), Version 1
Please notice the two TMC0350 Speech-ROM's with the CD2303 and CD2304 designation
indicating the "Custom Data" of the British English voices. 

Speak & Spell, Version 2
Solder side of the Printed Circuit Board.

Speak & Spell, Version 2
Component side of the Printed Circuit Board. 

Speak & Spell, Version 2
Parts assembled on the Printed Circuit Board.


If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, July 21, 2002. No reprints without written permission.