TROUBLESHOOTING
7-2-20. EC39: Input A/B Sync Failure
LOCAL PANEL Message
Host Alarm
Service Log
INPUT A/B SYNC FAILURE
Yes
Yes
SUMMARY
The sync pulse is not adequate for acquisition.
SEQUENCE OF EVENTS
Acquisition is attempted. The Phase Lock Loop circuitry on the VIDEO PWA synchronizes with the video
signal from the MODALITY.
PHONE FIX - - OPERATOR CORRECTABLE
Have the OEM Service Engineer check the quality of video being sent by the MODALITY.
ON SITE - -TECHNICIAN CORRECTABLE
Check the video with a SCOPE. If the sync pulse is not prominent, advise the Service Engineer for the
MODALITY.
TECH TIPS
THEORY
2004 December Rev. S
1908110
7-47