4-15. REMOVE/REPLACE RATE/MODE DISPLAY BOARD
Antistatic plastic bags
Circuit board devices are sensitive
to static electrical charges and
require careful handling.
Antistatic bags must be used when
stowing these circuit boards.
2. Remove circuit boards Al thru A8
Be careful when removing screws.
Spacers could fall into the
electronics and damage equipment.
3. Remove four screws securing board to
the chassis face plate.
4. Move board aside and unplug
connector from the mother board.
5. Lift out board.
6. If any spacers have fallen into the
modem, remove them.