20 Most Recent Icom IC-R8500 Base Scanner Questions & Answers

l would first check for audio from the external speaker connection which most have.

Icom IC-R8500... | Answered on Feb 25, 2015

For a comprehensive database of active frequencies in your area, and a lot of other useful scanning information, visit:


Bill B

Icom IC-R8500... | Answered on Apr 04, 2010

wow thats a great radio, pack it up and send it to me.(just kidding)you might want to contact icom www.icomamerica.com and talk to their techs about this one. congratulations on having one fine radio, it is worth a quality repair,ive wanted to take one of those apart for years lol

Icom IC-R8500... | Answered on Jan 02, 2009

First check the tape cables from Conv Unit and Rf unit to main unit.
Second find if the PLL ICs lock (MC145190) check voltage at pin 2 (LO) ~4,5Vdc in PLL Unit.
Third find If the (PQ30RV31) voltage ADJ in main works.

Icom IC-R8500... | Answered on Nov 22, 2008

Bad Solder Connections on The Main Board(Look for Ring Breaks)

Icom IC-R8500... | Answered on Jul 15, 2008

You need to be a very good technical person with electronics to work on these. The issue is most likely a PLL board issue. You need to be able to troubleshoot to the component level. The service manual appears to be https://www.manualslib.com/manual/738448/Icom-Ic-706mkiig.html

Icom Radio... | Answered on Jul 26, 2019

it is available on web sight..download it.

Icom Radio... | Answered on May 21, 2019

Contact Icom directly to inquire.

Icom Radio... | Answered on May 20, 2019

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