[ICOM] 775 PSu problem

[Adam Farson]

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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