Test control circuit for multichannel apparatus such as tape...

Details Test control circuit for multichannel apparatus such as tape... Test control circuit for multichannel apparatus such as tape...

G - Physics

11

B

352/16

G11B 27/36 (2006.01) G11B 20/18 (2006.01)

Patent

CA 1149935

ABSTRACT OF THE DISCLOSURE A test control circuit includes a channel selector circuit and input and output buffers, which cooperate with input/output buses and respective latches of the multichannel apparatus, to allow an operator to select one or more input buses, and one or more output buses, of a respective channel or channels of the multichannel apparatus. Thus the circuit allows selectively applying an input test signal to one or more channels via the front of the apparatus, while selective- ly monitoring the resulting output signal from the channel or channels also via the front of the apparatus. An exemplary purpose of the test control system is to facilitate the channel alignment and head azimuth adjustment of, for example, a multichannel audio tape recorder.

361208

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