[ICOM] IC761 problem

[jeff partington]

check the encoder

--- On Fri, 8/13/10, zl3kr <zl3kr at clear.net.nz> wrote:


From: zl3kr <zl3kr at clear.net.nz>
Subject: Re: [ICOM] IC761 problem
To: "ICOM Reflector" <icom at mailman.qth.net>
Date: Friday, August 13, 2010, 1:35 AM


Many thanks for the replies... now I do have a workshop Manual for the IC761
and I have previously replaced the trimmers with ceramic ones.
My first thought was that I had disturbed something when moving the 
power supply
in and out while repairing, but I cannot see any plugs or wires disturbed.
It seems strange that the trimmers  might go out of tune when they were 
working perfectly
before the power supply problem.
It is the same on all bands that I have tried as well, so not limited to 
just the one frequency range
which I guess makes the problem more difficult rather than less  lol.
But it does sound like a PLL problem, however I wasnt sure if the PLL 
oscillators were involved in
running the digital read out as well, as that seems to be working perfectly.

Alan ZL3KR

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