Kenwood TS-680S (TS 680 S TS680S) mods reviews software and diagrams

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Kenwood TS-680S (TS 680 S TS680S)

TS-680S

Programming interface schematics for Kenwood :
Programming software for Kenwood TS-680S (TS 680 S TS680S) :
PDF User Manual for Kenwood TS-680S (TS 680 S TS680S) :
PDF Service Manual/schematics for Kenwood TS-680S (TS 680 S TS680S) :

Mods for Kenwood TS-680S (TS 680 S TS680S) :
   Kenwood TS-680S (TS 680 S TS680S) IF-10 (RS-232) interface
   Kenwood TS-680S (TS 680 S TS680S) freq. mod
   Kenwood TS-680S (TS 680 S TS680S) Squelch mods - adds squelch to all modes
   Kenwood TS-680S (TS 680 S TS680S) 6 Meter power output increase
   Kenwood TS-680S (TS 680 S TS680S) Broadcast Sensitivity Modification
   Kenwood TS-680S (TS 680 S TS680S) Freq Extend mod

Kenwood TS-680S (TS 680 S TS680S) technical specifications : Kenwood TS-680S (TS 680 S TS680S) technical specifications

Kenwood TS-680S (TS 680 S TS680S) Freq Extend mod

This mod will allow out of band transmit on the kenwood ts-680-s.
Remove the bottom cover. In the middle of the board is a diode marked d-31 just clip it and reinstall bottom cover.

This will allow transmit from 1.6 MHz to 33 mhz and 49 mhz to 56 mhz.

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