[bars] FT-891 Reverse polarity damage and repair

Christopher Wood christopher.wood at firelinkllc.com
Sat Aug 7 21:24:28 EDT 2021


I looked at getting the above radio, but ultimately decided to get Icom's IC-705.

However, in my research I came upon this interesting and cautionary tale regarding not-installed reverse polarity diodes, damage as the result of an incorrect cable, and ultimate repair. I hope this helps people avoid this problem.

See this article for details:
https://hackaday.com/2021/08/03/fail-of-the-week-flipped-cable-leads-to-fried-radio/

I pass this along in the hope of helping someone avoid accidental damage to this popular radio.

Best wishes,
Christopher
KC1GHR

Sent from my Verizon, Samsung Galaxy smartphone

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