[RFI] : Noise location radio Tecsun PL660 011618

Jeff Blaine KeepWalking188 at ac0c.com
Wed Jan 17 07:59:48 EST 2018

There seems to be a polarity reversal diode in the radio.  Tested that 
theory myself and it's fortunate there is apparently something in there 
to keep the accidental reversal from getting a guy in trouble.


On 17-Jan-18 6:00 AM, Jim Brown wrote:
> Hi Mac,
> I've bought Tecsun on amazon.  Are you aware that the power plug is 
> reverse wired?  Using a wall wart other than theirs is likely to apply 
> the wrong polarity to it. That might blow a protection diode (if there 
> is one), or it could simply fry the radio.
> I agree it's a very nice radio, and also a good tool for chasing RFI.
> 73, Jim K9YC
> On 1/16/2018 1:48 PM, D C _Mac_ Macdonald wrote:
>> Does anybody have a source for repair of a Tecsun PL660?  The one I 
>> bought failed a little over a year after purchase but almost no use.
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