[ICOM] 110 TO 240 V CHANGE

[PA3DUV]

No fan in the PS35. I still own and use one as small outboard PSU, to power 
my radio during holiday trips and to power the lightt in the low votage 
light strng in the Christmas tree.
Cheers, Dick
PA3DUV


----- Original Message ----- 
From: "Doug Renwick" <ve5ra at sasktel.net>
To: "'ICOM Reflector'" <icom at mailman.qth.net>
Sent: Friday, April 21, 2006 4:59 AM
Subject: RE: [ICOM] 110 TO 240 V CHANGE


> Gary,
>
> You have an excellent memory.  I dug through my files and
> found the answer to the same request I made to Icom in 1985:
>
> PS-35/PS-740 CONVERSON TO 230VAC
> 1. Remove the top cover from the PS-740 or PS-35.
> 2. Remove all screws which mount the PC board, transistors,
> and rectifier.
> 3. Move the jumper directly in front of L1 from the 110 to
> the 220 position.
> 4. Move the jumper which is located directly behind L2 from
> the 110 to the 220 position.
> 5. Remove the jumper which is strapped across the AC input
> leads of D1.
> 6. Install a 5 amp fuse in place of the 10A.
> 7. Replace the fan with a 220V version.
>
> Did the PS35 have a fan?
>
> Doug/VA5DX
>
>
>
> Subject: Re: [ICOM] 110 TO 240 V CHANGE
>
> As I remember there are three jumpers you need to change.
> Two are
> marked 110 - 220, move from 110 to 220 V position and one is
> under
> the diode bridge that needs to be cut.
> This jumper Spans the AC input pins on the bridge
> Then you need to change the male plug on the power cord. The
> jumpers
> are internal to the power supply so you will need to
> disassemble it
> to get to them.
> Others here hopefully will make sure I am correct as I am
> doing this
> totally from memory.
> I looked on mods.dk and nothing was there for either the 765
> or PS-35
> for 220 V operation.
>
> Gary K8IZ
>
>
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