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Take ApartInverter Board - 25
| Inverter Board |
| Before you begin, remove |
| the following: |
| • Main battery |
| • I/O door |
Inverter Board | • Top case |
Caution: The PowerBook | |
| 140/145/170 contains |
| CMOS devices that are very |
| susceptible to ESD damage. |
| To prevent damage, wear a |
| grounding wriststrap. |
| Review the ESD precautions |
| in Bulletins/Safety. |