[ICOM] R-71A

David maxtaz at shaw.ca
Mon Jun 2 19:57:45 EDT 2008


Hi Sheldon. According to my service manual for the 71A DS1 is an LED P# 
SLC26UR and DS2 is a lamp P# BQ044-32582A
I hope this is of some help.

Dave   VA7DG
----- Original Message ----- 
From: <sdaitch at KUW.IBB.GOV>
Cc: <icom at mailman.qth.net>
Sent: Monday, June 02, 2008 3:13 PM
Subject: [ICOM] R-71A


> After looking over an Icom R-71A and finding poor sensitivity,
> I think I've discovered DS1 between the SO-239 antenna input and
> the RF unit input at EP2 is open.
>
> It looks like Icom uses a mini-lamp of some kind as an overpower
> protection unit for the RF input.  Bypassing the DS1 and the
> sensitivity appears about normal.
>
> None of the on-line information that I could see has the parts
> breakdown for this unit.  I suppose any really small lamp bulb
> would work, but for purity sake, what is the trade number or
> specs for the DS1 bulb?
>
> thanks,
> 73
> Sheldon
> WA4MZZ
>
> ----
> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/


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