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 icom i-cr 71 e mains hum

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rabbi
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Call Sign : m3kbd/2e0kbd/m0kbd
Posts : 84
Times Thanked : 1
Join date : 2019-07-04
QTH or Location : stockton on tees
Equipment Used : kenwood ts 2000x ascom 70mhz icom vlf/hf/uhf receivers multiband antennas
Age : 62

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PostSubject: icom i-cr 71 e mains hum   icom i-cr 71 e mains hum Icon_minitimeWed Nov 04, 2020 12:41 pm

hi sorted my icom i-cr 71 e with mains hum it was the psu some owner did a bodge up of the soldering a bit of wire doing make and break resolderedĀ  no buzz the rx has talk back remote control and fully loaded with filters time for projects and repairs thanks for looking stay safe do radio 73s paul m0kbd

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Victor
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Victor


Call Sign : 26-CT-3228 Ham M7VIC
Posts : 2486
Times Thanked : 169
Join date : 2019-11-10
QTH or Location : Bedford
Equipment Used : Various

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PostSubject: Re: icom i-cr 71 e mains hum   icom i-cr 71 e mains hum Icon_minitimeWed Nov 04, 2020 3:56 pm

Hi Paul,

I'd completely missed your Icom posting but glad you got it all sorted out.

The power supply was always a weak point on that model and commonly suffered dry/cracked joints due to the wave soldering production method they used back then. (Repaired a couple myself.)

Congratulations on sorting it out, they're nice radio's so I hope you enjoy using it.


All the best,
Victor

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