Apple 550C Manual do Utilizador descarregar pdf (Página 35)

Troubleshooting Symptom Charts/Video

(Continued)

- 10

Video

(Continued)

Display is very light

or totally white

1 Adjust screen contrast and brightness settings.

2 Verify cable, inverter board, interconnect board,

daughterboard, and motherboard connections.

3 Replace inverter board.

4 Replace interconnect board.

5 Replace interconnect-to-display cable.

6 Replace display.

7 Replace daughterboard.

8 Replace motherboard.

Display stopped

working or dimmed

but is fine now

Let screen warm up for 30 minutes.

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