Texas Instruments 990 Maintenance Manual page 2

Computer tv /eia interface module depot

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All· Rights Reserved, Printed in U.S.A.

The information and/or drawings set forth in this document and all rights in and to inventions disclosed

herein and patents which might be granted thereon disclosing or employing the materials, methods,

techniques or apparatus described herein, are the exclusive property of Texas Instruments Incorporated.

MANUAL REVISION HISTORY

Model 990 Computer TTY /EIA Interface Module Depot

Maintenance Manual (945408-9701)

Original Issue . . . . . . . . . . . . . . . . . . .1 March 197 6

Revised . . . . . . . . . . . . . . . . . . . . . . .1 May 1977 (ECN 419692)

Change 1 . . . . . . . . . . . . . . . . . . . . 1December1978 (ECN 419640)

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