Troubleshooting Symptom Charts/Video - 8
Single vertical or
horizontal line is
displayed
1 Replace analog/video board assembly.
2 Replace CRT.
Predominant color tint
or color cannot
be adjusted
1 Verify that video board is securely connected to CRT
socket.
2 Check cable connections to analog/video board.
3 If analog/video board is Rev A, replace internal RGB cable.
4 Replace analog/video board assembly. Perform video
adjustments (refer to “Video” in Adjustments chapter).
5 Replace CRT.
Picture breaks into
diagonal lines, or
picture rolls vertically
or horizontally
1 Perform geometry adjustments. Refer to “Geometry” in
Adjustments chapter.
2 Replace analog/video board assembly.