Icom IC-M803 Instruction Manual - Page 84

Fuse replacement, Circuitry fuse

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9 CONNECTIONS AND INSTALLATION ■■Fuse replacement DDCircuitry fuse The transceiver has 1 fuse to protect internal circuitry. If the transceiver stops functioning, and only after confirming a fuse is probably blown, check the fuses below. •• Circuitry unit: APS 58 V 5 A RRWARNING! •• Disconnect the DC power cable from the Main unit before replacing the fuse. •• NEVER use fuses that are not specified. 1. Unscrew the 8 screws from the top cover as shown below, and then remove the cover. 3. Replace the circuitry fuse, as shown below. Fuse in circuitry unit 2. Unscrew 8 screws from the PA shield cover, then open the cover. •• The cooling fan is fixed to the PA shield cover. •• Move the coaxial cable, as shown in the diagram. •• Be careful that the cooling fan power cables are still connected. CAUTION: When you remove a fuse, use longnose pliers to protect your fingers, and the fuse holders. 4. Replace the PA shield cover, coaxial cable and top cover to their original locations. 76

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76
9
CONNECTIONS AND INSTALLATION
■
Fuse replacement
D
Circuitry fuse
The transceiver has 1 fuse to protect internal circuitry.
If the transceiver stops functioning, and only after
confirming a fuse is probably blown, check the fuses
below.
•
Circuitry unit: APS 58 V 5 A
R
WARNING!
•
Disconnect the DC power cable from the Main unit
before replacing the fuse.
•
NEVER
use fuses that are not specified.
1.
Unscrew the 8 screws from the top cover as
shown below, and then remove the cover.
2.
Unscrew 8 screws from the PA shield cover, then
open the cover.
•
The cooling fan is fixed to the PA shield cover.
•
Move the coaxial cable, as shown in the diagram.
•
Be careful that the cooling fan power cables are
still connected.
3.
Replace the circuitry fuse, as shown below.
Fuse in circuitry unit
CAUTION:
When you remove a fuse, use
longnose pliers to protect your fingers, and the
fuse holders.
4.
Replace the PA shield cover, coaxial cable and
top cover to their original locations.