Kenwood TS-890S Operation Manual - Page 184

Symptom, Probable Cause, Corrective Action, Refer to, PF A], F [TIMER]

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18 TROUBLESHOOTING Symptom Probable Cause Corrective Action The linear amplifier is not functioning. The REMOTE connector is not properly connected. Reconnect the connector properly. The audio source selected in Data VOX is different from the audio source input, or the input level of the input signal is low. Check the Data VOX settings or check the input level of the input signal. Control relay of the linear amplifier is turned off. Configure to a setting suitable for the linear amplifier, such as "Active High + Relay Control" for "Keying Logic" in the Linear Amplifier menu. When a linear amplifier is used for full The linear amplifier in use requires some time break-in operation in the CW mode, to start up (TL-922, etc.). the SWR may deteriorate suddenly or an abnormal ALC voltage may be applied when the linear amplifier starts up. Operate in the semi break-in mode by configuring to a setting that includes an appropriate delay time for the linear amplifier, such as "Active High + Relay Control" for "Keying Logic" in the Linear Amplifier menu. AT-300 is not functioning. It is connected to antenna input connector 2 Connect it to antenna input connector 1 (ANT (ANT 2). 1). The fuse inside this transceiver is blown. Check the fuse, address the cause and replace the blown fuse with a new one. Modulation is too shallow. (FM mode) Microphone gain is low. Configure the microphone gain in Advanced Menu [10]. When a commercially available power The peak power of SSB is not correctly meter is used, the TX output power measured. reading for SSB is low compared to the other modes. To ensure correct measurement of the peak power for SSB, the use of devices such as an oscilloscope which are capable of displaying instantaneous waveforms is recommended. Commercially available power meters may not be able to measure the peak power fully in some cases. Please use them as reference values. Transmission is still held after AT tuning is complete. TX hold after AT tuning is configured to ON. Configure TX hold after AT tuning to OFF in Advanced Menu [7]. VFO scan does not start. Program Scan is selected. Configure all the settings for memory channels P0 to P9 to OFF in the Program Scan/VFO Scan configuration mode. Alternatively, press [VFO/ PRG] to select VFO Scan. Memory Scan is not functioning. No data is registered in the memory channels. Register data to the memory channels. Group Scan is not functioning. No data is registered in the memory channels Register data to the memory channels of the within the group. corresponding group number. All the memory channels within the group are Cancel the lockout for the memory channels to locked out. be scanned. Memory Scan is only performed on Group Memory Scan is selected. specific channels. Reconfigure or cancel the group selection. Voice guidance does not start automatically. Auto voice guidance is OFF. Configure auto voice guidance to "On" in Menu [1-06]. Voice guidance is not output automatically after Full Reset is performed. Menu [1-06] is configured to "Off". Turn on the power while pressing [PF A], or configure Menu [1-06] to "On". The [POWER] LED is blinking and the This transceiver is preparing to activate the power of this transceiver does not turn program timer operation. on. Wait for the program timer operation to start. To stop the program timer operation, press [ ] for 4 seconds. Program timer is not activated. The timer operation is not configured to ON. Check whether the timer operation has been temporarily turned off (> goes off) by pressing F [TIMER] after the timer operation is configured to ON. A firmware version confirmation screen is displayed and this transceiver does not start up. The firmware of this transceiver cannot be detected. Rewrite the firmware. If the same symptom persists after rewriting the firmware, please send an inquiry to KENWOOD service center together with the number that is displayed at the bottom right corner of the message. Firmware cannot be updated. The name of the zip file is changed. Update the firmware without changing the name of the zip file. The file name may be changed if the file is downloaded to the PC multiple times. The zip file is uncompressed. Update the firmware without uncompressing the zip file. Refer to 16-13 16-14 16-13 4-12 17-4 5-28 4-12 10-1 9-2 10-3 10-4 10-3 13-1 13-1 14-4 14-4 17-1 18-4

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Symptom
Probable Cause
Corrective Action
Refer to
The linear amplifier is not functioning.
The REMOTE connector is not properly
connected.
Reconnect the connector properly.
16-13
The audio source selected in Data VOX is
different from the audio source input, or the
input level of the input signal is low.
Check the Data VOX settings or check the input
level of the input signal.
Control relay of the linear amplifier is turned off.
Configure to a setting suitable for the linear
amplifier, such as “Active High + Relay Control”
for
“
Keying Logic
”
in the Linear Amplifier menu.
16-14
When a linear amplifier is used for full
break-in operation in the CW mode,
the SWR may deteriorate suddenly or
an abnormal ALC voltage may be
applied when the linear amplifier starts
up.
The linear amplifier in use requires some time
to start up (TL-922, etc.).
Operate in the semi break-in mode by
configuring to a setting that includes an
appropriate delay time for the linear amplifier,
such as “Active High + Relay Control” for
“
Keying Logic
”
in the Linear Amplifier menu.
16-13
AT-300 is not functioning.
It is connected to antenna input connector 2
(ANT 2).
Connect it to antenna input connector 1 (ANT
1).
4-12
The fuse inside this transceiver is blown.
Check the fuse, address the cause and replace
the blown fuse with a new one.
17-4
Modulation is too shallow. (FM mode)
Microphone gain is low.
Configure the microphone gain in Advanced
Menu [10].
5-28
When a commercially available power
meter is used, the TX output power
reading for SSB is low compared to
the other modes.
The peak power of SSB is not correctly
measured.
To ensure correct measurement of the peak
power for SSB, the use of devices such as an
oscilloscope which are capable of displaying
instantaneous waveforms is recommended.
Commercially available power meters may not
be able to measure the peak power fully in some
cases. Please use them as reference values.
Transmission is still held after AT
tuning is complete.
TX hold after AT tuning is configured to ON.
Configure TX hold after AT tuning to OFF in
Advanced Menu [7].
4-12
VFO scan does not start.
Program Scan is selected.
Configure all the settings for memory channels
P0 to P9 to OFF in the Program Scan/VFO Scan
configuration mode. Alternatively, press
[VFO/
PRG]
to select VFO Scan.
10-1
Memory Scan is not functioning.
No data is registered in the memory channels.
Register data to the memory channels.
9-2
Group Scan is not functioning.
No data is registered in the memory channels
within the group.
Register data to the memory channels of the
corresponding group number.
10-3
All the memory channels within the group are
locked out.
Cancel the lockout for the memory channels to
be scanned.
10-4
Memory Scan is only performed on
specific channels.
Group Memory Scan is selected.
Reconfigure or cancel the group selection.
10-3
Voice guidance does not start
automatically.
Auto voice guidance is OFF.
Configure auto voice guidance to
“
On
”
in Menu
[1-06].
13-1
Voice guidance is not output
automatically after Full Reset is
performed.
Menu [1-06] is configured to
“
Off
”
.
Turn on the power while pressing
[PF A]
, or
configure Menu [1-06] to
“
On
”
.
13-1
The [POWER] LED is blinking and the
power of this transceiver does not turn
on.
This transceiver is preparing to activate the
program timer operation.
Wait for the program timer operation to start. To
stop the program timer operation, press
[
]
for
4 seconds.
14-4
Program timer is not activated.
The timer operation is not configured to ON.
Check whether the timer operation has been
temporarily turned off (<<
>> goes off) by
pressing
F [TIMER]
after the timer operation is
configured to ON.
14-4
A firmware version confirmation
screen is displayed and this
transceiver does not start up.
The firmware of this transceiver cannot be
detected.
Rewrite the firmware. If the same symptom
persists after rewriting the firmware, please
send an inquiry to KENWOOD service center
together with the number that is displayed at the
bottom right corner of the message.
17-1
Firmware cannot be updated.
The name of the zip file is changed.
Update the firmware without changing the
name of the zip file. The file name may be
changed if the file is downloaded to the PC
multiple times.
The zip file is uncompressed.
Update the firmware without uncompressing
the zip file.
18 TROUBLESHOOTING
18-4