Ricoh A250 Service Manual page 546

6. REMOVAL AND REPLACEMENT
6.1 PRECAUTION
CAUTION
Before starting disassembly, be sure to print all message files in the SAF
memory. Then, turn off the main power switch and disconnect the power
cord and telephone cable for safety.
Lithium Battery
The danger of explosion exists if a battery of this type is incorrectly
replaced. Replace only with the same or an equivalent type recommended
by the manufacturer. Discard used batteries in accordance with the
manufacturer's instructions.
6.2 NCU AND SPEAKER
[A]
1. NCU: Remove the rear cover.
Speaker: Remove the left side cover.
2. Remove the NCU/speaker assembly [A/B].
3. Remove the NCU/speaker from the assembly.
SM
A891R504.WMF
6-1
PRECAUTION
[B]
A891R501.WMF
A250