Troubleshooting - Kenwood TS-50S Instruction Manual

TROUBLESHOOTING
9 MAINTENANCE AND ADJUSTMENTS
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The probiems described in this section are caused mostly by improper operation or connection of the transceiver
and its associated equipment. Some operating tips are included which may resolve perceived problems. When you
experience trouble, review this information before requesting help. If the problem persists, contact an authorized
agent or service facility.
RECEPTION
Problem Symptom
Probable Cause
Corrective Action
: Switching the power on results in no
display data and no sound.
1 The DC power cable plug is
not inserted completely into
the 13.8 V DC connector on
the transceiver rear panel.
2 The fuse is open.
3 The DC power supply is off.
Insert the DC power cable plug
securely into the connector on the
transceiver. |
2 Investigate the cause of the open
fuse. Install a new fuse with the same |
rating. :
3 Switch on the DC power supply.
Switching the power on results in
incorrect display data.
Maifunctioning microprocessor.
=
Check the output voltage of the DC
power supply. (13.8V +15%)
For mobile installations, use the
vehicle battery. (11.8 V to 16 V)
2 Switch the power on while holding
the A=B button(Full Reset).
Switching the power on results ina
display readout of 14.000.0 MHz USB
with no data stored in any of the
memories.
The life of the memory backup
battery is over.
down the A/B button(Partial Reset) or
i
i
Refer to page 31.
No signals can be received even
though an antenna is connected, or
the receive sensitivity is low.
1 The squelch is set incorrectly.
/2 The attenuator is on.
Point function is on.
3 The Advanced Intercept
_4 The antenna is not tuned.
i5 PTT ison.
Turn the SQL control fully
counterclockwise.
2 Turn the ATT off.
3 Turn the AIP off.
4 if using an antenna tuner, retune.
Otherwise, check the resonance of
your antenna at the receive frequency.'
,5 Release the PTT.
Received signals cannot be
understood or demodulated
at all.
The wrong modulation mode is
selected.
Select the correct mode.
'Operating the RIT control does not
| change the frequency.
The Receiver Incremental
Tuning function is off.
Press the RIT button.
SSB audio quality is very poor; the
| high or low audio frequencies are
| absent.
1 The IF SHIFT control is
adjusted incorrectly.
2 The optional 0.5kHz filter is
selected.
1 Return the IF SHIFT to the center _
detent position.
2 Select the standard 2.4kHz SSB filter.
| Operating the UP/DOWN buttons or
'the Tuning control does not change
| the frequency.
The Frequency Lock function is
on.
Press the F.LOCK button. |
| Scan doesn't work.
The squelch is set incorrectly. Adjust the SQL control to just eliminate
background noise.
| Memory scan doesn't work.
1 Data is not stored in two or
more memory channels.
2 Alfmemory channels are
locked out.
3 With Group Scan selected,
the channel you want to
scan is in a different group.
1 Store frequency data in at least two
memory channels.
2 Unlock the memory channels you
want to scan.
3 Select All-channel Scan, or program
the desired frequency within the
current group.
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