Reply to "Chronomix clock problem"

JethTranMember

Hi....It should work. I calaucate one shot at 6.8 seconds, however could be 8 seconds if C3 is on the high side of it's resistance.

first thing to check is 14V to ensure it is perfect. At that point check 1OUT/2RESET to check whether that is 6 to 8 seconds high heartbeat then low.

On the off chance that it is acceptable troubleshoot the correct side. on the off chance that it is awful troubleshoot left side. 1THRESH can be watched with a DMM or an ongoing oscilloscope and 2THRES would be better watched on an oscilloscope. Since huge covers 1uF and 10uF are being released rapidly ensure ground side of U1, C3, and C2 stays at 0V.

https://www.7pcb.com/

6/3/2112:15 AM

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