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Troubleshooting Symptom Charts/Video - 14
Video
Backlight doesn’t
operate
1 Verify that cables are not pinched or severed.
2 Check display cable, converter, inverter, interconnect board,
daughterboard, and motherboard connections.
3 Replace converter board.
4 PowerBook 180c: Replace inverter board.
5 Replace converter-to-inverter cable.
6 Replace interconnect board.
7 PowerBook 165c: Replace display.
8 Replace daughterboard.
9 Replace motherboard.
10 PowerBook 180c: Replace display (CPRC/international
repairers only).