GE HEALTHCARERAFT LOGIQ™ S7 EXPERT/PRO
DIRECTION 5460683, REVISION 3 DRAFT (JUNE 25, 2014) SERVICE MANUAL
7-24 Section 7-7 - Troubleshooting Trees, Instructions and Tech Tips
7-7-5 Monitor Troubleshooting
For further details refer to Section 6-3 "LCD Monitor Adjustment" on page 6-2.
Fault symptom Check these items
No image
Check the power cord is properly connected.
Check the video cable is properly connected.
Check no pins of the video cable are bent.
Check if video is present on backplane.
Color is not uniform Turn ON the power to activate the Auto-Degauss function.
Colored streaks appear in image
Check for presence of magnetic sources near the monitor.
Eliminate the sources and then degauss the monitor.
Screen image is not centered or sized
properly
Adjust the picture location, picture size, picture rotation or pincushion distortion.
Some video modes do not fill the screen to the edge of the monitor.
There is no single answer to solve the problem.
This phenomenon may occur on higher refresh rates (vertical frequency).
Picture is fuzzy
Adjust the picture contrast and picture brightness.
Some SVGA cards having an excessive video output level will cause a fuzzy picture
at the maximum contrast level.
Turn ON the power to activate the Auto-Degauss function.
Video test patterns are not clear,
bright, parallel or square
Replace the monitor.
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