[ICOM] IC756pro3 cable

[peter Jackson]

Thanks Jim, I have had a closer look at the fuse and it does appear to have 
a cold solder joint and you can see part of the fuse protruding through it.
73 and thanks again. Pete G3KNU
----- Original Message ----- 
From: "Jim Hargrave" <w5ifp at gvtc.com>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Friday, June 12, 2009 4:23 PM
Subject: Re: [ICOM] IC756pro3 cable


> Pete,
>
> I would change the fuses. They have a tendency to get hot after continued
> operation. This sometimes melts the solder inside the fuse end caps, 
> causing
> a cold solder joint and high resistance. The automotive spade type fuses 
> are
> not as prone to do this as the barrel type.
>
>   * 73's Jim W5IFP *
>
>
>   >-----Original Message-----
>   >From: icom-bounces at mailman.qth.net
>   >[mailto:icom-bounces at mailman.qth.net]On Behalf Of peter Jackson
>   >Sent: Friday, June 12, 2009 12:27 PM
>   >To: icom
>   >Subject: [ICOM] IC756pro3 cable
>   >
>   >
>   >Hi on National Field Day we were using my PRO3 and after about
>   >6 hours operating it died. We measured the volts at the rig end
>   >of the power cable and it read 13.8 volts, so we presumed the
>   >rig was at fault. We then fetched a IC746 and plugged it into
>   >the same cable, but it didn't power up. We thought it must be
>   >wired differently, so we connected it with it's own cable, now
>   >ok. We now checked out the pro3 cable and found the positive
>   >lead had a resistance of 180 ohms! one of our members said he
>   >had had a similar problem, he unplugged the inline fuse,
>   >reconnected it and the resistance disappeared and the rig
>   >functioned ok for the rest of the contest. The fuse contacts
>   >were perfectly clean just as the day it was made.
>   >I see they have changed the inline fuses to a spade type on the IC7600.
>   >Has anyone had this problem?
>   >73 Pete G3KNU
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> ----
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