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 Troubleshooting

Symptom Charts/Video

 

 (Continued)

 

 - 3

 

Single vertical or 

horizontal line is 

displayed

 

  A thin, gray, horizontal line may be visible across the 

bottom third of a lit screen. This line is inherent in the design of 

Trinitron monitors. Do not replace modules.
Otherwise,
1 Replace analog board. 

2 Replace CRT.

Predominant color 

tint or color cannot be 

adjusted

1 Perform video adjustments. Refer to “Video” in Adjustments 

chapter.

2 Replace analog board. 

3 Replace CRT if red, green, or blue cannot be turned off using 

appropriate controls.

Black screen spots 

(burnt phosphors)

Replace CRT.