Apple 1705 Manuale Utente

 

 Troubleshooting

Symptom Charts/No Raster

 

 (Continued)

 

 - 6

 

No raster with LED off

1 Ensure that power cord is plugged in properly.

2 Check power outlet at the wall by plugging in an 

electronic device that works.

3 If the display is plugged into a computer, ensure that 

computer is on and power cord firmly connected.

4 Check video cable connections at computer and monitor. 

Thumbscrews must be secure. If a video card is used, the 

video cable must be properly connected to it. 

5 Replace video and main deflection boards. See “Main 

Deflection, CRT/Video Boards and Rear Fence” in Take 

Apart. Adjust cutoff and white balance. See “Cutoff and 

White Balance” in  Adjustments.

6 Send the monitor to Apple for repair.