Kenwood TS-820 (TS 820 TS820) mods reviews software and diagrams

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Kenwood TS-820 (TS 820 TS820)

TS-820

Programming interface schematics for Kenwood :
Programming software for Kenwood TS-820 (TS 820 TS820) :
PDF User Manual for Kenwood TS-820 (TS 820 TS820) :
PDF Service Manual/schematics for Kenwood TS-820 (TS 820 TS820) :

Mods for Kenwood TS-820 (TS 820 TS820) :
   Kenwood TS-820 (TS 820 TS820) receive problem after transmitting
   Kenwood TS-820 (TS 820 TS820) Additional info about the VCO table in the Service manual
   Kenwood TS-820 (TS 820 TS820) DS-2 Replaces DS-1A DC-DC Converter
   Kenwood TS-820 (TS 820 TS820) General Alignment Procedure
   Kenwood TS-820 (TS 820 TS820) RIT modification
   Kenwood TS-820 (TS 820 TS820) Microphone input attenuator
   Kenwood TS-820 (TS 820 TS820) Fix the problem with the display
   Kenwood TS-820 (TS 820 TS820) New Display Tube for DG-1
   Kenwood TS-820 (TS 820 TS820) CW filter select control
   Kenwood TS-820 (TS 820 TS820) Installing AUX Band in TS-820 (RX only)
   Kenwood TS-820 (TS 820 TS820) TA7201P Substitution Parts Kit
   Kenwood TS-820 (TS 820 TS820) Speech Processor Alignment

Kenwood TS-820 (TS 820 TS820) technical specifications : Kenwood TS-820 (TS 820 TS820) technical specifications

Kenwood TS-820 (TS 820 TS820) Microphone input attenuator

When using a high output microphone (i.e. Shure 444), it is very likely that there will be distortion of the transmitted audio if the processor is used. The reason the distortion occurs is because the processor is between the first microphone amplifier and the microphone gain control. The installation of one of the attenuators shown below will reduce the microphone input to a level that will not cause RF speech processor distortion. The attenuator figures are approximate.

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