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-5.3-
5.2 Error Indication
When the FS-1562 detects a fault in the synthesizer unit (frequency unlocked), the frequency or
channel number blinks.
5.3 Replacing Fuses
To protect the unit from overcurrent and equipment fault, two 20 A fuses for the transceiver unit
(and two 30 A fuses for the PA-2500) are provided in snap-in holders on the power cable and two
fuses in the PR-300 Power Supply Unit (for 150 W set).
Power Cable Fuse: 20 A (for both 150 W/250 W) and 30 A (for PA-2500 power amplifier unit)
Power supply unit (for 150 W sets)
Remove the fuse cover using a screwdriver (+), then replace:
Fuse 10 A for 100-120 VAC (5 A for 200-240 VAC)
20 A for 24 VDC
RED LIGHT GREEN LIGHT
ON
OFF
100V 10A
220V 5A
ON
OFF
125V 20A
AC IN DC IN DC OUT
PR-300
LNG +- +- +-24V
FUSE
AC POWER Switch
DC POWER Switch
FRONT PANEL OF PR-300
The Power Supply Unit PR-850A does not have a fuse on the front panel but a circuit breaker. If
this has been tripped off, remove the cause of tripping and turn it on (Upward position on the
front panel). A fuse (20 A) is provided in the power cable.
POWER
ON
ON
OFF
AC INPUT 50/60Hz DC OUTPUT
BREAKER POWER LAMP
TERMINAL COVER
FRONT PANEL OF PR-850A