DOM MB V5.1 Diagnosis
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Board ID:
V5.1 001347
Step:
Vendor Firmware Load
Symptoms:
April 19, 2005, Current too low; only ~22mA.
Analyst(s):
G. Przybylski
Analysis Procedure(s):
5/3/05: +/-5V verified. 3.3V, 2.5V, 1.8V missing.
Inspected U8; found pin 10 soldering suspicious. Verified no
connectivity pad to pin.
Tack-soldered (reflowed) solder on pin 10. Power now OK.
Loaded firmware, and software. Room temperatre STF OK.
Root cause:
Soldering defect.
Mitigation:
Solder from pad to component pin, restoring functionality.
Disposition:
Test and Mainstream, unless this is too suspicious.
Any Other Information:
Traveler April 19, 2005