Kenwood TS-590S User Manual - Page 84

Problem, Probable Cause, Corrective Action, PRE ANT 1/2]

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15 TROUBLESHOOTING Problem Probable Cause Corrective Action Page No signals are received or receive sensitivity seems poor; S-meter is reading full scale. The RF gain was set too low. Turn the RF control clockwise to increase the RF 10 gain. Received signals The wrong modulation was Select the correct modulation mode. 11 are completely selected. unintelligible Memory Scan will not 1 The SQL control was not 1 Adjust the SQL control to just eliminate 12 start scanning. set correctly. background noise. 2 Less than 2 memory 2 Unlock at least 2 memory channels. 44 channels were unlocked. 3 Less than 2 memory 3 Store data in at least 2 memory channels. 41 channels were programmed. Memory Scan will With Group Scan selected, the Select the Memory Group that contains the 49 not scan one of the channel you want to scan is in memory channel you want to scan. stored channels; the a different group. desired channel is not locked out. Program Scan will not The start and end frequencies Store different start and end frequencies. 46 start scanning. are identical AT does not finish The impedance of the coaxial Adjust the antenna system to lower the SWR. 50 successfully. cable and antenna was not matched. Tuning does not successfully finish depending on conditions, although the SWR meter indicates smaller than 3:1. The internal tuner is The SWR of the antenna bypassed immediately system is too high. after tuning is started. Adjust the antenna system to lower the SWR 50 You cannot transmit 1 The microphone plug was 1 Turn OFF the power, ensure the MIC 2 even though you not inserted completely into connector has no foreign objects in it, then press MIC [PTT], or the MIC connector. plug in the connector firmly. transmissinos result 2 The Transmit Inhibit 2 Change Menu No. 60 to OFF. 32 in no contacts. function is ON. 3 CW or FSK was selected 3 Select the correct voice mode. 11 instead of a voice mode. 4 The DSP TX filter 4 Adjust the settings in Menu Nos. 25, 26. 31 bandwidth was improperly selected. 5 The wrong antenna 5 Press and hold [PRE (ANT 1/2)] to select the 50 connector (ANT 1 or ANT 2) other antenna connector. was selected. Attempting to transmit 1 The antenna is not 1 Check the antenna connection. Correct as 1 results in the "HELLO" connected correctly. necessary. message appearing 2 The impedances of the 2 Reduce the SWR of the antenna system. 50 and the reception antenna and transceiver mode being restored. are not properly matched. 3 The input voltage is outside 3 Correct the input voltage or use a 12 ~ 16 V 1 13.8 V DC ± 15% (11.7 ~ battery. 15.8 V DC). 4 The current rating of the 4 Use a DC power supply that has a current 1 DC power supply is not rating of more than 20.5 A at 13.8 V DC. enough. The transceiver has low transmission power. 1 The microphone gain is set 1 When in SSB or AM mode, increase the 13 too low. microphone gain. 2 Poor antenna system 2 Check the antenna connections. Confirm that 50 connections are causing the antenna tuner is reporting a low SWR. high SWR. 76

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76
15
TROUBLESHOOTING
Problem
Probable Cause
Corrective Action
Page
No signals are
received or receive
sensitivity seems
poor; S-meter is
reading full scale.
The RF gain was set too low.
Turn the
RF
control
clockwise to increase the RF
gain.
10
Received signals
are completely
unintelligible
The wrong modulation was
selected.
Select the correct modulation mode.
11
Memory Scan will not
start scanning.
1 The
SQL
control was not
set correctly.
2 Less than 2 memory
channels were unlocked.
3 Less than 2 memory
channels were
programmed.
1 Adjust the
SQL
control to just eliminate
background noise.
2
Unlock at least 2 memory channels.
3
Store data in at least 2 memory channels.
12
44
41
Memory Scan will
not scan one of the
stored channels; the
desired channel is not
locked out.
With Group Scan selected, the
channel you want to scan is in
a different group.
Select the Memory Group that contains the
memory channel you want to scan.
49
Program Scan will not
start scanning.
The start and end frequencies
are identical
Store different start and end frequencies.
46
AT does not finish
successfully.
The impedance of the coaxial
cable and antenna was not
matched.
Tuning does not
successfully finish depending
on conditions, although the
SWR meter indicates smaller
than 3:1.
Adjust the antenna system to lower the SWR.
50
The internal tuner is
bypassed immediately
after tuning is started.
The SWR of the antenna
system is too high.
Adjust the antenna system to lower the SWR
50
You cannot transmit
even though you
press MIC
[PTT]
, or
transmissinos result
in no contacts.
1 The microphone plug was
not inserted completely into
the MIC connector.
2 The Transmit Inhibit
function is ON.
3
CW or FSK was selected
instead of a voice mode.
4 The DSP TX filter
bandwidth was improperly
selected.
5 The wrong antenna
connector (ANT 1 or ANT 2)
was selected.
1
Turn OFF the power, ensure the MIC
connector has no foreign objects in it, then
plug in the connector firmly.
2
Change Menu No. 60 to OFF.
3
Select the correct voice mode.
4
Adjust the settings in Menu Nos. 25, 26.
5 Press and hold
[PRE (ANT 1/2)]
to select the
other antenna connector.
2
32
11
31
50
Attempting to transmit
results in the “HELLO”
message appearing
and the reception
mode being restored.
1 The antenna is not
connected correctly.
2 The impedances of the
antenna and transceiver
are not properly matched.
3
The input voltage is outside
13.8 V DC ± 15% (11.7 ~
15.8 V DC).
4
The current rating of the
DC power supply is not
enough.
1 Check the antenna connection.
Correct as
necessary.
2
Reduce the SWR of the antenna system.
3
Correct the input voltage or use a 12 ~ 16 V
battery.
4
Use a DC power supply that has a current
rating of more than 20.5 A at 13.8 V DC.
1
50
1
1
The transceiver has
low transmission
power.
1
The microphone gain is set
too low.
2 Poor antenna system
connections are causing
high SWR.
1
When in SSB or AM mode, increase the
microphone gain.
2 Check the antenna connections.
Confirm that
the antenna tuner is reporting a low SWR.
13
50