DOM MB Diagnosis page
Board ID:
Rev 5.0 SN 000340
Source:
LED Testing; integration step 5
Symptoms:
Light pulse count lower than
expected
Analyst(s):
G. Przybylski
Analysis Procedure(s):
U6 output at CR1 doesn't change when DAC 12 is changed. Suspect
U6 defective.
Root cause:
Defective U6, the switching
controller chip.
Mitigation:
Replace defective part.
Disposition:
Mainstream
Any Other Information:
Traveler