Icom M803 Instruction Manual - Page 84

Fuse replacement, Circuitry fuse

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9 CONNECTIONS AND INSTALLATION ■■Fuse replacement DDCircuitry fuse The transceiver has two kind of fuses to protect internal circuitry. Two fuses for the fuse holder on the DC power cable, and one for the Circuitry unit of the Main unit. If the transceiver stops functioning, and only after confirming a fuse is probably blown, check the fuses below. •• DC power cable: ATC 30 A •• Circuitry unit: BFLP 5 A 1. Unscrew the 8 screws from the top cover as shown below, and then remove the cover. 3. Replace the circuitry fuse, as shown in the diagram below. CAUTION: •• Use the supplied BFLP 5 A fuse. •• When you remove a fuse, use longnose pliers to protect your fingers, and the fuse holders. BFLP 5 A fuse 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. 4. Replace the PA shield cover, coaxial cable and top cover. 76

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76
9
CONNECTIONS AND INSTALLATION
■
Fuse replacement
D
Circuitry fuse
The transceiver has two kind of fuses to protect
internal circuitry.
Two fuses for the fuse holder on the DC power cable,
and one for the
Circuitry unit of the
Main unit.
If the transceiver stops functioning, and only after
confirming a fuse is probably blown, check the fuses
below.
•
DC power cable:
ATC 30 A
•
Circuitry unit:
BFLP 5 A
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 in the
diagram below.
CAUTION:
•
Use the supplied BFLP 5 A fuse.
•
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.
BFLP 5 A fuse