6881039B25 January 08, 2002 25
Level III Service Manual Disassembly
Removing and Replacing the Real Time Clock Battery
1. Remove the battery cover, battery, SIM, rear housing cover, rear transceiver
housing, transceiver board, and daughter PC board as described in the proce-
dures.
2. Using the plastic tweezers carefully lift the edge of the battery out of the battery
holder as shown in Figure 12. Note the battery polarity before removing the
battery from the battery holder.
3. Use the plastic tweezers to remove the battery from the battery holder.
4. To replace, place the real time clock battery over the battery holder. Ensure
that the positive terminal (+) is facing up.
5. Using the plastic tweezers or the disassembly tool, press the battery down into
the battery holder until it snaps into position.
6. Replace the daughterboard, transceiver board, rear transceiver housing, rear
housing cover, SIM, battery, and battery cover.
G
This product contains static-sensitive devices. Use anti-static handling procedures
to prevent electrostatic discharge (ESD) and component damage.
011574-o
Figure 12. Removing the Real Time Clock Battery
REAL TIME CLOCK BATTERY
DAUGHTER BOARD
REAL TIME CLOCK BATTERY
PLASTIC TWEEZERS
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