Lithium Battery Replacement - Yaesu FT DX 9000MP Operation Manual

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The memories for the ATU are backed up by a common Lithium backup battery (type CR2032 or equivalent). After two or
more years of heavy use, you may notice that the tuner memories are not being maintained, and that you have to re-tune
when returning to a frequency on which you had previously stored tuning data.
In this case, please replace the ATU Backup Battery using the following procedure:
1. Turn the front panel [ POWER ] switch Off, then Turn
the FPS-9000H's [ POWER ] switch Off.
2. Unplug the DC power cable from the rear panel [ DC
IN ] jack.
3. Referring to Figure 1, remove the eight screws from
the side of the transceiver, along with the six screws
affixing the bottom case; remove the bottom case.
4. Now remove the three screws affixing the top case
(Figure 2), and remove the top case.
5. Referring to Figure 3, remove the screws (
top left and top right that hold the front panel assem-
bly in place, and loosen the two screws (
bottom left and bottom right, so they can hold the front
panel as it is folded forward.
6. Refer to Figure 4, and slide the front panel diagonally
upward and outward, then fold the front panel for-
ward to expose the Control Unit behind it.
7. Locate the Lithium battery on the left side of the Con-
trol Unit (Figure 5)
8. Follow the guidelines in Figure 6, and remove the old
battery, replacing it with a new one of the identical
type.
9. Restore the front panel to its original position, and
replace the two screws (one from each side, near the
top) and tighten the two lower screws that were loos-
ened in step 5.
10. Replace the top and bottom covers, re-installing all
the screws removed in steps 3 and 4.
11. ATU Backup Battery replacement is now complete.
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When the ATU Backup Battery is replaced, all tuner
memories will be erased, and new sets of tuning
data will have to be stored.
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ITHIUM ATTERY
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Figure 1
Figure 2
Remove
Figure 3
FT 9000MP O
DX
Loosen
M
PERATION ANUAL