In Case Of Difficulty - Kenwood TS-850S Instruction Manual

6-4. IN CASE OF DIFFICULTY
The problems described in this table are failures caused in general by improper operation or connection of the
transceiver, not by defective components. Check according to the following table.
If
the problem persists,
contact an authorized agent or service station.
RECEPTION
Symptom Probable cause Corrective action
Indicators do not light and no 1. Bad power cable or connections. 1. Check cables and connections.
receiver noise is heard when the 2. Blown power supply fuse. 2. Check for the cause of the
POWER switch is turned on. blown fuse and replace the fuse.
3. Power supply is OFF. 3. Switch power supply ON.
Nothing is displayed or improper The microprocessor may
1.
Use a step-up transformer to
digits are displayed when the malfunction if the input voltage is raise the line voltage to the
POWER switch is turned on. too low. power supply. Use a 12 to 16 V
battery.
2. Turn on the POWER switch
while depressing the A= B (or
RX-A) key, and then release the
A=B (or RX-A) key.
When you press the POWER The backup battery voltage is low. Please refer to Section 4-11-1.
switch, "14 MHz USB" is displayed
... or the receive sensitivity is low.
No signal is received even when 1. SOL control fully clockwise. 1. Turn the SOL control
the antenna is connected, or the counterclockwise.
receiver sensitivity is low. 2. The A TT switch is ON. 2. Set the A TT switch to OdB.
3. The RECISEND switch is in the 3. Set the REC
I
SEND switch to
SEND position. REC.
4. Microphone PTT switch is in the 4. Set the PTT switch to the
transmit position. receive position.
5.SLOPE TUNE control is 5. HIGH control : Fully clockwise
improperly adjusted. LOW control :Fully
counterclockwise
An antenna is connected, but no RF gain control is too low. Turn the RF gain control MAX
signal is received and the S-meter clockwise.
deflects fully.
The S-meter deflects and stays at
1.
Low DC or AC line voltage. 1. Use a step-up transformer to
a certain position even with no
raise the line voltage. Use a 12
signal.
to 16 V battery.
2. RF gain control closed. 2. Turn the RF gain control fully
clockwise.
Signal is received, but no sound is MODE key position is incorrect. Change the MODE key to the
heard.
correct mode.
SSB received signal is extremely St.OPE TUNE control is improperly HIGH control: Fully clockwise
high cut or low cut. adjusted. LOW control :Fully
counterclockwise
Frequency is not changed by F. LOCK key is ON. Set F.LOCK key to OFF.
pressing the UP
I
DOWN switches,
turning the TUNING
knob,
or
M.CH/VFO CH control.
Memory scan fails. ("CHECK") Nothing is stored in memory. Store the frequency.
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