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Old 27th Nov 2020, 10:11 pm   #34
PETERg0rsq's Avatar
Join Date: Jun 2009
Location: St Helens, Lancashire, UK.
Posts: 556
Default Re: Racal Dana 9916 Frequency Counter.


did you diagnose a fault on IC1 on display board?

What did you find wrong that means it needs replacing?

Did you read and understand the data sheet for the 74247?
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