[ICOM] PS-125 Voltage Change

Simon Watt-Wyness simon_ww at eagle.co.nz
Sun May 23 17:48:15 EDT 2004


Hello Joe,
		The PS 125 is pretty easy to change, all you have to do is undo a million screws and look for the two input capacitors, there should be a jumper wire that is set for 100v. All you have to do is to move the small grey (I think) from 100v to the 200v position. 

All this is doing is removing the voltage doubling the 110v to nominally 280 - 320v. In reality the wire isn't connected to anything in the 200 (read 230v) position as it is just an island for the pin to be soldered into.  This then makes it just a full wave rectifier for 220 v and the DC rail goes to about 300 to 320v.

Don't know why they didn't label it 200v etc, but there you go.

Make sure yu have left the unit to discharge before playing with any wiring as the input caps could have a bit of juice still left in them. I have have done about 3 of these in ZL on the past for friends who have bought rigs in from the USA.

Good luck.

Simon 
ZL1SWW.


-----Original Message-----
From: Infomail [mailto:jol at infomail.lacaixa.es]
Sent: Monday, 24 May 2004 9:05 a.m.
To: ICOM Reflector
Subject: [ICOM] PS-125 Voltage Change


Hi Friends,

I NEED CHANGE THE AC. IMPUT  ( 110V. TO  220 V.) FROM MY PS-125

IS POSSIBLE, HELP TO ME.

MANY THANKS

73, JOE


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