User's Manual

17
177
MAINTENANCE
D4RANSCEIVERPOWER
02/",%- 0/33)",%#!53% SOLUTION REF.
Power does not turn ON
when the [POWER] switch is
pushed.
s4HEPOWERCABLEISIMPROPERLYCONNECTED
s!FUSEISBLOWN
s2ECONNECTTHE$#POWERCABLECORRECTLY
s#ORRECT THECAUSETHENREPLACETHEFUSE WITH
an equivalent fuse.
( Fuses are installed in the DC power cable
and in the internal PA unit.)
p. 27
p. 180
D4RANSMITANDRECEIVE
02/",%- 0/33)",%#!53% SOLUTION REF.
No sound from the speaker. s4HEAUDIOVOLUMELEVELISTOOLOW
s4HESQUELCHISCLOSED
s4HETRANSCEIVERISINTRANSMIT
s2OTATE THE ;!&= CONTROL CLOCKWISE TO OBTAIN A
suitable listening level.
s2OTATETHE;2&31,=CONTROLTOOCLOCKPOSI-
tion to open the squelch.
s0USH ;42!.3-)4= TO RECEIVE OR CHECK THE
SEND line of an external unit, if connected.
p. 45
p. 44
p. 46
Sensitivity is too low, and
only strong signals are au-
dible.
s4HEANTENNAISNOTCONNECTEDPROPERLY
s4HEANTENNAFORANOTHERBANDISSELECTED
s4HEANTENNAISNOTPROPERLYTUNED
s4HEATTENUATORISTURNED/.
s2ECONNECTTOTHEANTENNACONNECTOR
s3ELECT AN ANTENNA SUITABLE FOR THE OPERATING
frequency.
s(OLDDOWN;45.%2=FORSECONDTOMANUALLY
tune the antenna.
s0USH;0!-0!44=ONEORMORETIMESTOSELECT
“ATT OFF.”
—
p. 158
p. 159
p. 71
Received audio is unclear or
distorted.
s4HEOPERATINGMODEISNOTMATCHED
s4HE0ASSBAND4UNINGFUNCTIONISTURNED/.
s.OISE "LANKER FUNCTIONS WHEN RECEIVING A
strong signal.
s0reamplifier is turned ON.
s4HE .OISE 2EDUCTION FUNCTION IS TURNED /.
and the [NR] control is too far clockwise.
s3ELECTASUITABLEOPERATINGMODE
s(OLD DOWN ;0"4#,2= FOR  SECOND TO RESET
the function.
s0USH;."=TOTURN/&&THEFUNCTION
s0USH ;0!-0!44= ONE OR MORE TIMES TO TURN
OFF the function.
s3ETTHE;.2=CONTROLFORMAXIMUMREADABILITY
p. 43
p. 75
p. 76
p. 71
p. 77
;!.4s-%4%2= DOES NOT
function
s4HE !NTENNA 3WITCH FUNCTION HAS NOT BEEN
turned ON.
s3ET THE !NTENNA 3WITCH FUNCTION TO h!UTOv OR
“Manual” in the Set mode.
p. 163
Transmitting is impossible. s4HE OPERATING FREQUENCY IS OUTSIDE THE SE-
lected ham band.
s3ET THE FREQUENCY TO BE WITHIN THE SELECTED
ham band.
p. 37
Output power is too low. s4HE ;2& 0/7%2=CONTROL IS SET TOO FARCOUN-
terclockwise
s4HE;-)#'!).=CONTROLISSETTOOFARCOUNTER-
clockwise
s4HEANTENNAFORANOTHERBANDISSELECTED
s4HEANTENNAISNOTPROPERLYTUNED
s2OTATETHE;2&0/7%2=CONTROLCLOCKWISE
s3ETTHE;-)#'!).=CONTROLTOASUITABLEPOSI-
tion.
s3ELECT AN ANTENNA SUITABLE FOR THE OPERATING
frequency.
s(OLDDOWN;45.%2=FORSECONDTOMANUALLY
tune the antenna.
p. 46
p. 46
p. 158
p. 159
No contact can be made with
another station.
s4HE2)4OR∂TX function is turned ON.
s4HE 3PLIT FUNCTION ANDOR $UPLEX FUNCTION ARE
turned ON.
s0USH;2)4=OR;∂TX] to turn OFF the function.
s0USH ;30,)4= ANDOR ;$50=& IN THE h-v
screen) to turn OFF the function.
pp. 69, 81
pp. 65, 82
Transmit signal is unclear or
distorted.
s4HE ;-)# '!).= CONTROL IS SET TOO FAR CLOCK-
wise.
s3ETTHE;-)#'!).=CONTROLTOASUITABLEPOSI-
tion.
p. 46
Repeater cannot be ac-
cessed.
s4HESPLITORDUPLEXFUNCTIONISNOTTURNED/.
s4HEPROGRAMMEDSUBAUDIBLETONEFREQUENCYIS
wrong.
s0USH ;30,)4= ANDOR ;$50=& IN THE h-v
screen) to turn ON the function.
s2ESETTHEFREQUENCY
pp. 65, 82
p. 65
AM cannot be selected. s4HE-(ZFREQUENCYBANDISSELECTED s
Select the HF/50/144/430 MHz frequency band. pp. 43, 61
Transmitting is impossible in
AM.
s4HE
144/430/ 1200 MHz frequency band is se-
lected.
s Select the HF/50 MHz frequency band. pp. 43, 46
N4ROUBLESHOOTING
The following chart is designed to help you correct
problems which are not equipment malfunctions.
If you are unable to locate the cause of a problem,
or solve it through the use of this chart, contact your
nearest Icom Dealer or Service Center.