Take ApartKeyboard - 21
| Keyboard | |
| Before you begin, remove | |
| the following: | |
| • Main battery | |
| • Top case | |
Keyboard | • Trackball assembly | |
Caution: The PowerBook | ||
| ||
| 150 contains CMOS devices | |
| that are very susceptible to | |
| ESD damage. Review the ESD | |
| precautions in Bulletins/ | |
| Safety. |