[Icom] PS-35 Tech Info Needed

Sun, 20 Jul 2003 17:28:46 -0400

Under eveything you will find a resistor that looks like a small strip of
copper.
Resolder this and bet it works.
Common problem with that power supply. Did the same to mine.

Raymond H. McClure - W8CNL
5 McKenzie Circle
North Augusta, S.C.
29841-4319

----- Original Message ----- 
From: "Frank N. Haas" <[email protected]>
To: <[email protected]>
Sent: Sunday, July 20, 2003 5:19 PM
Subject: [Icom] PS-35 Tech Info Needed

>
> The Internal Power Supply in my ICOM IC-751A, the PS-35 has quit
operating.
> The fuses are not blown. It just doesn't start anymore.
>
> Physical inspection revealed an open solder connection between to
> odd-looking transformer devices. Repairing that did not correct the
trouble.
>
> I'm told that the usual problem with these switching power supplies is
> failed capacitors. I don't know as I don't have much experience with
> switching power supplies.
>
> I have the schematic that came with the unit but I'm not familiar with the
> functioning of this type of unit.
>
> Is there a source for a description of the circuitry or perhaps a service
> manual for the PS-35??
>
> If not, are there any recommendations on where I might get this unit
serviced??
>
> Many thanks to all.
>
> Frank N. Haas KB4T
> Florida
>
>
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>