Service Manual
Page 9
... SOLUTIONS No Video/LED off and clean the screen • Do not perform any troubleshooting steps • Monitor needs to the screen giving the Trinitron CRT more lines Screen is scrambled or appears torn Has humming sound or high frequency squeal Screen has scratches or ... button depressed fully No Video/LED on No picture or no brightness • Increase brightness & contrast controls • Perform monitor self test feature check • Check for bent or broken pins • Reseat the video card Missing Pixels CRT screen has spots, specs or blemishes on the screen. P780 - 9 -
... SOLUTIONS No Video/LED off and clean the screen • Do not perform any troubleshooting steps • Monitor needs to the screen giving the Trinitron CRT more lines Screen is scrambled or appears torn Has humming sound or high frequency squeal Screen has scratches or ... button depressed fully No Video/LED on No picture or no brightness • Increase brightness & contrast controls • Perform monitor self test feature check • Check for bent or broken pins • Reseat the video card Missing Pixels CRT screen has spots, specs or blemishes on the screen. P780 - 9 -