Servicing
Backup Battery Replacement
D Remove the top and bottom covers, as
shown in
Case Disassembly
on page 1-2.
D Remove the 5 screws affixing the Control
Unit. Then using care to avoid straining or
creasing the flexible circuit board between
the Control and Panel Units, separate the
two boards.
D Referring to Figure 3, unsolder the battery
terminals and install the replacement.
D
Replace the Control Unit and covers.
Lithium Battery
2-8
0
FT- 5100
Technical Supplement
Summary of Contents for FT-5100
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