Icom IC-FR4000 Series, Instruction Manual, Page: 17 / 20

14
5
MAINTENANCE
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Fuse replacement
If a fuse blows or the repeater stops functioning, try to
find the source of the problem, and replace the dam-
aged fuse with a new, rated fuse. CAUTION: DISCONNECT the AC power cable
and/or DC power cable from the repeater. Other-
wise, there is danger of electric shock and/or equip-
ment damage.
D
LOGIC unit
q
Remove the bottom cover as shown on p. 11.
w
Remove 8 screws from the LOGIC shielding plate,
then remove the plate.
e
Replace the circuitry fuse as shown below.
r
Return the LOGIC shielding plate and bottom cover.
For ACC connector
D
REG unit
q
Remove the top cover as shown on p. 11.
w
Remove the 12 screws from the REG shielding
plate, then remove the plate.
e
Replace the circuitry fuse as shown below.
r
Return the REG shielding plate and top cover.
For AC line
For DC line