Download Apple Macintosh LC 575 Specifications

Troubleshooting
Symptom Charts/Miscellaneous - 24
Miscellaneous
Clicking, chirping,
or thumping sound
1
2
Replace analog board.
Replace logic board. Retain customer’s SIMMs.
Smoke/odor
Replace analog board.
No video, no audio, and
no drive operation
1
2
3
4
5
Connect power cord.
Switch power on.
Replace power cord.
Replace analog board.
Replace logic board. Retain customer’s SIMMs.
“Sad Macintosh” icon
1
2
3
Replace bad disk with known-good disk.
Replace RAM SIMMs on logic board.
Replace logic board. Retain customer’s SIMMs.