I Fuse Replacement - Icom IC-2820H Instruction Manual

PROBLEM
Some memory channels • The memory channel number has not yet been
cannot be selected via the programmed.
tuning dial.
Scan does not operate. • The squelch is open.
• Only 1 memory channel is programmed or other
channels are set as skip channels.
• Priority watch is activated.
Transmission is automati- • Time-out timer is activated.
cally cut off.
Transmission continues • One-touch PTT function is activated.
even when the PTT is re-
leased.
The function display shows • The CPU is malfunctioning.
erroneous information.

I Fuse replacement

If the fuse blows or the transceiver stops functioning, find the
source of the problem if possible, and replace the damaged
fuse with a new, rated one (FGB 20 A) as shown at right.
POSSIBLE CAUSE SOLUTION
• Select the channel via the microphone keypad to
check whether the channel has been programmed
or not.
• Set the squelch to the threshold point.
• Program other memory channels or cancel the
memory skip function in the desired channels.
• Cancel the watch.
• Set the timer to OFF.
• Turn the function OFF.
• Reset the CPU.
20 A
fuse
13
MAINTENANCE
REF.
—
p. 16
pgs. 30,
31, 44
p. 47
p. 61
p. 21
p. 67
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