Kenwood TS-711A Instruction Manual

Also see for TS-711A: Instruction manual Service manual Instruction manual Instruction manual Service manual

The problems described in this table are failures caused ingeneral by improper operation or connection of the trans-TROUBLESHOOTINGceiver.ceiver, not by defective components.Transmitter SectionSymptom CauseThere is a separate Service Manual for repair of the Trans-RemedyNo output (SSB). © Poor contact of the MIC-plug.@ Mic control set minimum.© Plug the MIC plug firmly.@® Adjust MIC control clockwise.In CW mode, no transmissionwhen KEY pressed down.KEY plug not connected properly.KEY has poor contact point.Check the KEY plug.Clean KEY contact point.Pressing PTT switch does notallow transmission.Receiver SectionSymptomDue to high temperature transmissionprevented by protection.CauseSet to reception mode and cool enoughfor transmission.RemedyNo light and no display withPOWER switch ON.@ Check AC plug connection.@® DC short plug not connected.@® Fuse blown.@® Connect firmly.@® Connect the plug.@® Replace fuse.If it blows again, check the trans-ceiver.Signal not received even the an-tenna connected.@® Sauelch activates.@ Transmit mode is used.@® ATT switch set to ON to reduce sen-sitivity.© Rotate squelch control counterclock-wise.@ Release PTT switch for reception.@® Set the ATT switch to OFF.Signal is not received even theantenna connected. S meter isfully deflected.RF gain is lowered by RF control. Rotate the RF control fully clockwise.An antenna is connected but nosignals are heard.Microphone PTT switch (or stand-byswitch) is in the transmit position.Release the PTT swith.An antenna is connected but S-meter deflects without a re-ceived signal.@ RF GAIN control closed.@ Low AC line voltage.@ Open RF GAIN control.@ Use a step-up transformer to raise theline voltage.SSB signal unintelligible. MODE switch is set to wrong sideband. Turn MODE switch to the correct side-band.Current status would notchange.Lock switch set to ON.COM switch set to ON.Set it to OFF.Press the COM switch again to switchto VFO.Press the VFO/M switch to setMch mode, indication disap-pears.When memory has no data, the displayindicates CH number andEnter necessory data.Display is dimmed.DCS does not activate.22AC line voltage is low.Mode other than FM is set.Rase the line voltage up to your local vol-tage by boost transformer.For DC, use the one 12 - 16V.Set to FM mode.