Icom IC-211 Instruction Manual page 44

SECTION VIII TROUBLE SHOOTING
Your IC-211 has been tested very carefully at the factory before shipping. The chart below
has been designed to help you correct any problems which are not equipment malfunctions.
If you are not able to locate the problem and/or solve it through use of this chart, please
contact your dealer or ICOM distributor for assistance.
1. Power does not come ON
when the switch is pushed.
Power cable is improperly con-
nected.
Carefully reconnect power cable.
Power cord is connected with
the polarity reversed. (When
using DC power source)
Disconnect the power cord,
replace the blown fuse, then
reconnect the power cord observ-
ing proper polarity.
Check for the cause, then replace
the fuse with a new one.
Blown fuse.
Insert the jumper plug into the
DC power socket.
Jumper plug is not plugged in.
(When using the AC power
source)
AF GAIN Control! knob is
completely counter-clockwise.
Turn the knob clockwise to a
suitable level.
2. No sound comes from
the speaker.
The unit is in the transmit Put the unit in the receive mode.
mode, either by the T/R
switch or the PTT switch on
the microphone.
SQUELCH setting is turned
too far clockwise.
(in FM mode)
Turn the SQUELCH control
counter-clockwise until noise can
be heard and reset it just below
the threshold.
External speaker is in use. Check if the external speaker plug
is inserted properly or if the
external speaker cable is cut.
The internal speaker cable is
not connected.
Connect the speaker connection.
A headphone is connected to
the PHONES jack.
Unplug the headphone.
RF GAIN Control knob is
turned fully counter-clockwise.
Turn the RF Gain control knob
fully clockwise.
3. Sensitivity is low and only
strong signals are audible.
Check the feed line and correct
any improper condition.
The antenna feed line is cut or
shorted.
RF GAIN Control knob is
turned counter-clockwise.
. During receive, the "S" Turn the knob fully clockwise.
meter is higher than the
"Q' position even when
there is no signal.
Set the MODE switch to the side-
band other than the one you are
using, either USB or LSB.
Set the MODE switch to the
FM position.
. Oniy incomprehensible Receiving the wrong sideband.
voices are heard during
SSB reception.
Receiving FM signals.
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