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Does anyone know of any schematics for the HP54616B? There is a CLIP (Component level info package) for the 54000A series, but it's not the same. Having keyboard & rotary encoder issues. Front panel matrix diodes all look good, so I susHP 54616B Schematic

Question asked by EEVblog on Mar 17, 2017
Latest reply on Mar 20, 2017 by algoss

Does anyone know of any schematics for the HP54616B?
There is a CLIP (Component level info package) for the 54000A series, but it's not the same.
Having keyboard & rotary encoder issues.
Front panel matrix diodes all look good, so I suspect the 74AC11244 drivers.

 

Thanks.

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