Apple classic ii.performa 200 Servicehandbuch
Troubleshooting
Symptom Charts/Video - 2
Symptom Charts
Video
Screen is dark; audio
and drive operate
1 Readjust brightness (see Adjustments).
2 Readjust contrast (see Adjustments).
3 Check yoke cable connection.
4 Replace power/sweep 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 power/sweep board.
2 Replace logic board. Retain customer’s SIMMs.