[Icom] PS Question

Fri, 2 May 2003 08:27:47 +0200

Had the same here, showed out it was the rectifier

OZ1EQC Per


---------- Original Message ----------------------------------
From: "wjdiamond" <[email protected]>
Reply-To: [email protected]
Date: Thu, 1 May 2003 21:51:17 -0500

>Hi Folks,
>
>Well, now I am working on the PS 35 switching power supply for the 761. It=

>puts out 13.8 volts like it should but when a current draw of about 5 amps=

>is reached, it starts tripping on and off.
>
>The current sense adjustment does not have any effect.  I made a power off=

>resistance check on the diodes and transistors and they match the PS 740
>that I have.
>
>Any experts out there on the switching supplies like the PS 35??
>
>Thanks
>
>        William J. Diamond (Bill)
>        Rogers, Arkansas USA
>        [email protected]
>
>        Ham Radio Operator WR=D8T
>      Flying The Flag Long Before
>            It Was Popular
>
> Please Visit My Icom Radio Page At
>
> http://pages.sbcglobal.net/wjdiamond/index.html
>
>
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