Apple LC520 Especificações descarregar pdf (Página 21)

Troubleshooting Symptom Charts/Video

(Continued)

- 3

Video

(Continued)

Single vertical or

horizontal line is

displayed

Note:

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.

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Apple LC520 Especificações Página 21