Kenwood TS-830S Instruction Manual page 30

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SECTION 7. TROUBLESHOOTING
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TRANSMITTER SECTION
SYMPTOMS CAUSE ali REMEDY |
No output No voltage on the screen grid Turn the SG switch on
(No plate current) of the final tubes. the rear panel ON.
No output in SSB 1. Open microphone cable or 1. Check the microphone.
(No plate current) bad microphone.
| 2. Low microphone gain. 2. Increase the MIC control.
There is output, but the RF RF METER control not Adjust control for 2/3 scale
| meter shows no output. adjusted correctly. reading at full output.
VOX does not operate. 1. VOX GAIN control too low. 1. See section 4.4
2. ANTI VOX control requires 2. See section 4.4
adjustment.
VOX trips by speaker output ANTI VOX control requires See section 4.4
adjustment.
XIT control inoperative XIT switch is off. Push XIT button.
Mic or radio chassis is "hot" Excess RF in the shack. No earth See section 2
during TX. ground, poor ground, or antenna
is too close to the radio.
Poor audio in SSB, TX-feedback. Excess RF in the shack. See section 2
RF METER reading varies by band. SWR differences between bands Retune antenna system.
RECEIVER SECTION
SYMPTOM CAUSE REMEDY
| 1. Bad power cable or connections.
Pilot lights do not light and Check cables and connections.
|
there is no receiver noise when | 2. Blown power supply fuse. 2. Check for the cause of the blown
the POWER switch is turned on. fuse and replace the fuse.
An antenna is connected but 1. FIX SW is turned ON. 1. Turn the FIX SW off.
no signals are heard. 2. Microphone PTT switch (or 2. Release the PTT switch.
stand-by switch) is in
the transmit position.
An antenna is connected but S-meter 1. RF GAIN control closed. 1. Open RF GAIN control.
deflects without a received signa!. 2. Low AC line voltage. 2. Use a step-up transformer to
raise the line voltage.
SSB signal unintelligible MODE switch is set to wrong Turn MODE switch to the correct
sideband. sideband.
|
RIT control inoperative. RIT switch is off. Push RIT button.
SSB received signal is extremely 1. IF shift is out of adjustment. 1. Set to the center (click) position.
high cut or low cut.
2. VBT is out of adjustment.
3. TONE control is out of
adjustment.
. Set to the NORMAL position.
. Set to the center position.
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