[ICOM] IC-765 Power Supply

[Dave K6DLW]

You can buy an ICOM DC cable that plugs into the internal connector. I use 
one and operate the radio from an external 12vdc battery. Sorry I cannot 
remember the ICOM PN for the cable.
73
Dave K6DLW

----- Original Message ----- 
From: "Bob Beatty" <rbeatty at mpinet.net>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Tuesday, August 04, 2009 4:43 AM
Subject: Re: [ICOM] IC-765 Power Supply


> My IC-765 just turned off one day and I assume it was a failure of the
> internal power supply.  I see several mentions in the KD4LYH "IC-765
> Issues" thread that imply the IC-765 can be operated from an external 
> power
> supply.  Is this right?  Where do I hook the external supply?  I see what
> appears to be a power  connector in the left rear of the box after 
> removing
> the cover.  If this salvages the rig, I will be most appreciative and will
> then look into Gary's fix of the shunt inside the internal supply as a
> possible cause of the thing shutting down.
>
> Please be gentle; I am non-techinical.
>
> Many thanks and 73,
> Bob W4VQ
>
>
> At 10:53 AM 8/3/2009 -0700, you wrote:
>>Jeff,
>>
>>The problem usually is the current shunt has cracked solder joints
>>within the 765 internal power supply if the 765 works ok at low power
>>but fails under full power
>>Reading your message again I see it must be ok when using an external
>>power supply.
>>Do you get 100 watts out on RTTY when using the external power supply?
>>
>>Repair of the current shunt solder joints is not hard, just get your
>>electric screw driver warmed up. A nice 25 watt soldering iron, some
>>decent size of solder wick or a desoldering tool, maybe some liquid
>>solder flux. I can write up a basic procedure if you need me to.
>>You will likely find that doing a google search too. This looks to be
>>nicely done http://www.k4ro.net/tcg/misc/Icom-765-1.02.pdf
>>Look up repair of an Icom PS-35 power supply its the same supply within
>>the IC-765 except for the case has more cooling fins on the 765 supply.
>>
>>Gary K8IZ
>>
>
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