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Bug #658

Updated by tin almost 7 years ago

Failure: Cannot measure 0V ┬▒0.001V at A/D IN. 

 Common is routed to the ACF line through U526 (SHORT pulled low). ACF is then 
 routed through multiplexer U511. The output of the multiplexer (OUT) follows the 
 same path to the A/D buffer (U322) as the 400 series tests. U322 is con├×gured for x1 gain. Measure 0V at A/D IN. 

 Replace U526 
 Replace U511 

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