Troubleshooting - Kenwood TS-590S Instruction Manual

TROUBLESHOOTING

The problems described in this table are commonly encountered operational malfunctions. These types of
difficulties are usually caused by improper hook-up, accidental incorrect control settings, or operator error due to
incomplete programming. These problems are usually not caused by circuit failure. Please review this table and
the appropriate section(s) of this instruction manual before assuming your transceiver is defective.
Note: Placing a powered portable transceiver near this transceiver may cause noise in the transceiver.
Problem
The transceiver will 1 DC power supply is OFF.
not power up after 2 Faulty power cable.
connecting a 13.8 V
DC power supply and
pressing [ ]. 3 The power cable is not
Nothing appears
on the display and 4 The power cable fuse is
no receiver noise is
heard.
After switching
1 The input voltage is outside
the power ON, the
transceiver does not
function normally. For
2 The microprocessor has
example, no digits or
incorrect digits appear
on the display.
After switching the
The current rating of the DC
transceiver ON, the
power supply is too low.
transceiver refuses to
transmit.
The transceiver does
1 Procedures are not being
not respond correctly
after pressing key
2 The Frequency Lock
combinations or
turning controls per
3 The microprocessor and its
instructions in this
manual.
The Frequency Lock function
The frequency cannot
is ON.
be changed.
SSB audio quality is
1 The wrong operation mode
very poor; the high or
low audio frequencies
2 The IF filter is incorrectly
are absent.
3 Noise Reduction 1 or 2 is
4 Beat Cancel 1 or 2 is ON.
No signals are 1 The SQL control is fully
received or receive
sensitivity seems 2 The Attenuator is ON.
poor. 3 MIC [PTT] is pressed.
4 The IF filter bandwidth was
5 The wrong antenna
6 The pre-amplifier is OFF.
7 An internal DSP error
Probable Cause
connected securely.
open.
13.8 V DC ±15% (11.7 ~
15.8 V DC)
malfunctioned.
followed precisely.
function is ON.
memory need to be reset.
is selected for the receiver.
set.
ON.
clockwise.
incorrectly set.
connector (ANT 1 or ANT
2) was selected.
occurs.
Corrective Action
1 Switch the DC power supply ON.
2 Inspect the power cable. Confirm that the
polarities are correct (Red: positive (+); Black;
negative (–)).
3 Confirm the connections to the DC power
supply are secure.
4 Look for the cause of the blown fuse. After
inspecting and correcting any problems,
install a new fuse of the specified rating.
1 Correct the input voltage or use a 12 ~ 16 V
battery.
2 Review "MICROPROCESSOR RESET".
After understanding what data will be lost, do
a VFO Reset. If the problem remains, do a
Full Reset.
Use a DC power supply that has a 20.5 A or
higher current rating
1 Review "WRITING CONVENTIONS
FOLLOWED".
2 Press and hold [FINE (F.LOCK)] to switch
the function OFF. The "
3 Review "MICROPROCESSOR RESET".
After understanding what data will be lost, do
a Partial Reset. If the problem remains, do a
Full Reset.
Press and hold [FINE (F.LOCK)] to switch the
function OFF. The " " icon disappears.
1 Select USB or LSB for the mode.
2 Turn the HI/SHIFT or LO/WIDTH control to
adjust the DSP filter width.
3 Press [NR (LEV)] until the NR function turns
OFF.
4 Press [BC (A.NOTCH)] until the BC function
turns OFF.
1 Turn the SQL control counterclockwise.
2 Press [ATT (RX ANT)] to switch the
Attenuator is OFF.
3 Release MIC [PTT].
4 Review "DSP FILTERS", and set the
controls accordingly.
5 Press and hold [PRE (ANT 1/2)] to select the
other antenna connector.
6 Press [PRE (ANT 1/2)] to switch the function
ON.
7 Restart the transceiver by turning the power
OFF and then back ON. If the problem
persists, consult Kenwood authorized
Service Center.
15 TROUBLESHOOTING
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" icon disappears.
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