Kenwood TS-890S Operation Manual - Page 180

Replacing the Fuse

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.. 17 MAINTENANCE AND ADJUSTMENT Replacing the Fuse • The circuit of this transceiver for connecting to an external antenna tuner comes with a fuse. If the fuse blows while using the external antenna tuner, replace the fuse after addressing the cause. • There is also a fuse in the DC power cable. Similarly, if this fuse blows, replace it after addressing the cause. Replacing the Fuse of the External Antenna Tuner 1 Unplug the DC power cable. 2 Remove the screws (x12) at the bottom case and remove the bottom case. 3 Remove the screws (x8) at the top case and remove the top case. 4 Remove the screws (x14) securing the shield plate on the top case and remove the shield plate. 5 Replace the fuse (4 A). FUSE 4A 6 Install the shield plate. 7 Install the top case. 8 Install the bottom case. ● If only the top case is removed, scratches may result when aligning it with the bottom case during the assembly. ● The 4 A fuse that comes supplied with this transceiver is to be used for the external antenna tuner. Do not use a fuse other than the one supplied. ● Be careful not to misplace the screw after it is removed. ● Be careful when handling the case to prevent being injured by the edges. Replacing the Fuse of the DC Power Cable Open the fuse cover and replace the fuse (25 A). ● The 25 A fuse that comes supplied with this transceiver is to be used for the DC power cable. Do not use a fuse other than the one supplied. 17-4

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Replacing the Fuse
•
The circuit of this transceiver for connecting to an external
antenna tuner comes with a fuse. If the fuse blows while using
the external antenna tuner, replace the fuse after addressing
the cause.
•
There is also a fuse in the DC power cable. Similarly, if this fuse
blows, replace it after addressing the cause.
Replacing the Fuse of the External Antenna Tuner
1
Unplug the DC power cable.
2
Remove the screws (x12) at the bottom case and
remove the bottom case.
3
Remove the screws (x8) at the top case and remove
the top case.
4
Remove the screws (x14) securing the shield plate
on the top case and remove the shield plate.
5
Replace the fuse (4 A).
FUSE 4A
6
Install the shield plate.
7
Install the top case.
8
Install the bottom case.
●
If only the top case is removed, scratches may result
when aligning it with the bottom case during the
assembly.
●
The 4 A fuse that comes supplied with this transceiver is
to be used for the external antenna tuner. Do not use a
fuse other than the one supplied.
●
Be careful not to misplace the screw after it is removed.
●
Be careful when handling the case to prevent being
injured by the edges.
Replacing the Fuse of the DC Power Cable
Open the fuse cover and replace the fuse (25 A).
●
The 25 A fuse that comes supplied with this transceiver
is to be used for the DC power cable. Do not use a fuse
other than the one supplied.
17 MAINTENANCE AND ADJUSTMENT
17-4