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     Peter Miles
     Northam, Western Australia
     QRZ Page: VK6YSF

 

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TS-700SP RECEIVER MAINTENANCE

Kenwood TS-700SP receiver repair. 21 August 2018

 

Symptom: Complete and total loss of receiver sensitivity.
 
Repair: The identified fault was oxidation of the DX switching relay contacts, which are located on the RX NB Unit. After applying a small amount of contact cleaner to the relay contacts using a strip of paper, the radio receiver has regained full sensitivity, including the on-board low-noise pre-amplifier.

  

Photo 1 DX switching relay contacts cleaned with a strip of gloss paper and contact cleaner. 

 

 

Video of the TS-700SP receiver repairs

  

 

 

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Page last revised 07 September, 2024

 
 

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