[ICOM] 775 PSu problem
Brian Hemmis
k3usc at adelphia.net
Mon Nov 7 14:40:36 EST 2005
Thanks Adam, I'll make a copy of it & keep it w/my radio...I didn't
think I'd have to go to any extreme measures like an outboard ps...
73, BH
On Nov 7, 2005, at 2:08 PM, Adam Farson wrote:
> Hi Brian,
>
> There is a schematic of the IC-775 PSU here:
>
> http://www.qsl.net/icom/manuals.html
>
> Cheers for now, 73,
> Adam VA7OJ/AB4OJ
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-
> bounces at mailman.qth.net] On
> Behalf Of Brian Hemmis
> Sent: 07 November 2005 08:21
> To: ICOM Reflector
> Subject: Re: [ICOM] 775 PSu problem
>
> I've heard that the PS for the 775 was built for Icom by an outside
> vendor,
> no longer in business. Also that the PS has no schematic - even in the
> service manual and that Icom can't/won't repair it. I heard this
> yesterday
> from a ham on 40m using an external supply made by Power Mate Corp. in
> Hackensack, NJ- I have no reason to doubt this but can anyone
> verify it ?
>
>
> On Nov 7, 2005, at 11:10 AM, Marcus (pa2db) wrote:
>
>> Hi, i have a nice 775dsp and sudently with transmitting the PSU blow
>> up. A real heavy BOEM and a internal FET from the PSU
>> (IRFPE50) is exploded. Im wondering is someone have this also and
>> what
>> he have done to solve this. Because is it only a bad FET or was there
>> a reason to blow up. I saw another message with almost the same
>> Question but no answers. With external 12V the mainboard is still
>> working. The PA is not easy to test because the 28V. I hope not of
>> course! Someone experience with this? Marcus pa2db
>> ----
>> 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/
>
> ----
> 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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> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
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