Service Manual
Page 9
... lines Screen has wood grain patterns Screen has one or more color and brightness Damper Wires P780 - 9 - This aperture grille allows more light to pass through to the screen giving the Trinitron CRT more lines Screen is scrambled or appears torn Has humming sound or high frequency squeal Screen ...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 glass • If the blemish is on the outside of the glass, try cleaning the...
... lines Screen has wood grain patterns Screen has one or more color and brightness Damper Wires P780 - 9 - This aperture grille allows more light to pass through to the screen giving the Trinitron CRT more lines Screen is scrambled or appears torn Has humming sound or high frequency squeal Screen ...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 glass • If the blemish is on the outside of the glass, try cleaning the...