Macintosh SE - Vertical Bars or Stripes Are Displayed; Horizontal Bars or Stripes Are Displayed

Troubleshooting Symptom Charts/Video (Continued) - 4
Video (Continued)
Vertical bars or
stripes are displayed
1 Replace logic board. Retain customer’s SIMMs.
2 Replace analog board.
Horizontal bars or
stripes are displayed
1 Replace logic board. Retain customer’s SIMMs.
2 Replace analog board.
White dot is displayed
in center of screen
1 Verify that yoke cable is connected.
2 Replace analog board.
3 Replace CRT.
Screen jitters at top
left and/or lower
right
Replace analog board.