Transcript Testing Update

Testing Update
• All of the boards from Naprotek have been
retested
– ALCT 288 boards
• All 5 boards working
– ALCT 384 Boards
• 6 working
• 2 broken
– ALCT 672 boards
• 8 working
• 2 broken
Testing Update
• Examples of problems with boards
– Does not receive 3.3V power
• Short to ground in board
– Reference voltage for self test incorrect
– Test pulse amplitude too high/low
• Too low had resistor and capacitor knocked off board
• Too high had wrong resistors on board
– Program says pulse width too short, but unable to be
seen manually
• Error reported when using both test boards
– Standby test fails for one channel
• Standby signal not connected to outgoing connectors, wire run
Testing Update
• Alex was able to fix a 288/384 Mezz card, now
have one spare
• To do list
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Repair broken ALCT boards
Find problem on Ch 21 of second testing board
Update ALCT and Mezz card databases
Continue filling out fellowship application