[ICOM] 575A Won't Power Up !!

[Julio Peralta]

I had a 575a for many years. I had to replace the power switch once. It was
doing just what you described.

Julio, W4HY

----- Original Message ----- 
From: "W8DN" <w8dn at adelphia.net>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Sunday, June 06, 2004 1:50 PM
Subject: [ICOM] 575A Won't Power Up !!


> Greetings All,
>   Hopefully someone can add a little light to this problem before I tear
> into the rig...
>
>   I have a 575A that will no longer power up. Noticed the problem a few
> months ago and the initial symptoms were that the power switch had to be
> cycled several times before the rig would turn on. After one particularly
> difficult restart attempt, I just left the rig powered up continuously.
> Well, last week I turned it off and that was the end of it. I get a little
> pop in the speaker and the tx light may flicker but that is it. The rig
has
> the internal PS so I hooked up to an external power supply but same
problem.
>
>   Have not opened the rig up yet but wondering if this is most likely the
> obvious - a bad or corroded power switch - or is it likely something else?
> Is the switch still available as a repair part?
>
>   Also, I have acquired a 275H and a 475A. Between the three rigs, only
one
> external keying circuit works. Is it pretty typical for the external
keying
> circuit to be knocked out? Again, is there a prime suspect.
>
>   Any and all info or suggestions will be appreciated.
>
> Tnx & 73 de Mike / W8DN
>
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