DOM MB V5 Diagnosis
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Board ID:
V5 00707
Source:
George
Symptoms:
No on-all Boot failure during HASS.
Analyst(s):
G. Przybylski
Analysis Procedure(s):
After sweeping the -55 to +65
temperature range, with periodic reboots, discovered boot failure at
eleveated temperature. Traced to defective Corning Oscillator
module. The oscillator output would come in the form of birsts of 20 to
30 pulses, with periodic reversal of phase at boundries between bursts.
Root cause:
Malfunctioning oscillator.
Mitigation:
Replaced defective oscillator.
Disposition:
Mainstream
Any Other Information:
Traveler