TM 11-6625-3041-30/TO 33A1-8-908-12
1-25. MULTI VDC (A1) FAIL
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Start
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If the dc supplies fail for any reason (e.g., a shorted
supply or a Switcher or Clock failure) the Run Ref would go
low. This would allow C66 and C64 to start discharging.
After 100 ms, C66 and C64 would have discharged to the
point where the output of the Start/Run Sens at U5-1 goes low.