Reply To: Expected voltages for U5 chip

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#37719
skullknightx
Participant

may very well have posted my way through this one. I actually think I caught the trouble early on but simply had to walk through it all to get the answer. I have a high degree of confidence that my U6 chip is at fault here. this chip appears to feed u17 – per the data sheet for u17 it needs 2.7 to 5 volts for voltage input which means the 1.3 worth of output on u6 is clearly not sufficient.