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Digital control board debugging notes (view source)
Revision as of 19:20, 13 October 2009
, 19:20, 13 October 2009no edit summary
This page contains a list of all currently known problems with the digital control board.
This page contains a list of all currently known problems with the digital control board.
== No Power on +1.2V Power Island ==
== No Power on +1.2V Power Island ==
* June 22, 2009: One board has been modified to correct this problem.
* June 22, 2009: One board has been modified to correct this problem.
== SPI Bus Miswired ==
== SPI Bus Miswired ==
This modification has been implemented.
This modification has been implemented.
== Incorrect Oscillator ==
== Incorrect Oscillator ==
This modification has been implemented.
This modification has been implemented.
== Wrong polarity of Zener Diode on -5V ==
Zener diode D2 is reversed in the layout. It is correct in the schematics.