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11-5 FUSE REPLACEMENT
mn
IN
[FUSE] socket
(2) REGULATOR
CIRCUIT
FUSE
®FUSE
LOCATION
UNDER
THE TOP COVER
Regulator circuit fuse
(FGB 4A)
(3) 13.8 V DC OUTPUT
JACK
®FUSE
LOCATION
UNDER THE BOTTOM
COVER
ACC socket fuse
(FGB 0.5 A)
MAINTENANCE 11
The IC-R9000 has 3 fuses for receiver protection:
# AC power input
(2 A)
Regulator circuit
(4A)
13.8 V output jack
(0.5 A)
If the fuse blows or the receiver stops functioning, find the
source of the problem, if possible, and replace the damaged
fuse with a new, rated fuse.
The AC power input fuse is held in the [FUSE]
holder,
Unscrew the [FUSE]
holder using a philips head screw
driver, then replace the damaged fuse with a new, rated one.
eREPLACEMENT
FUSE:
FGB2A
(FGMS 2 A for German version.)
The regulator circuit fuse is located under the RF-A unit.
1) Remove the top and bottom covers.
See Section 11-4
(p. 61) for details.
2) Open the shield case from the PA unit and unplug con-
nector J2 as shown in the diagram.
3) Unscrew 1 screw holding the RF-A unit on each side (a
total of 2 screws).
Lift up the RF-A unit from the rear
side toward the front side as shown in the diagram at left.
4) Replace the damaged regulator circuit fuse with a new,
rated one.
*REPLACEMENT
FUSE:
FGB4A
When an external connection via the [DC OUTPUT JACK]
or the [ACC] socket has a problem, the fuse may blow.
If
the fuse blows, the receiver operates normally.
However,
the above jacks do not output 13.8 V DC.
1) Remove the top and bottom covers.
See Section 11-4
(p. 61) for details.
2) Set the receiver upside down.
3) Replace the damaged fuse with a new, rated one.
e The 13.8 V DC output fuse is located near the [LINE
MIX] switch on the rear panel.
e Refer to p. 66 for detailed location.
eREPLACEMENT
FUSE:
FGBO.5A
62
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