Macintosh SE - Video Symptom Charts

Troubleshooting Symptom Charts/Video - 2
Symptom Charts
Video
Screen is dark; audio
and drive operate
1 Turn brightness control clockwise.
2 Check video cable connections.
3 Replace analog board.
4 Replace video board.
5 Replace logic board. Retain customer’s SIMMs.
6 Replace CRT.
Screen is bright and
audio is present, but
no video information
is visible
1 Replace analog board.
2 Replace video board.
3 Replace logic board. Retain customer’s SIMMs.