Troubleshooting Symptom Charts/Video
(Continued)
- 4
Video
(Continued)
Screen is bright and
audio is present, but
no video information
is visible
1 Perform video adjustments. Refer to “Video” in Adjustments
chapter.
2 Replace analog board.
3 Replace chassis harness cable.
4 Replace CRT.
Picture breaks into
diagonal lines, or
picture rolls
vertically or
horizontally
1 Perform video adjustments. Refer to “Video” in Adjustments
chapter.
2 Replace analog board.
Black screen spots
(burnt phosphors)
Replace CRT.
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