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<font face="Verdana">Here is the 'official' reply from Icom:<br>
<i><br>
</i></font>
<div style="margin:0px 0px 8px 0px;"><i>Greetings Tim,<br>
</i>
<i><br>
Thank you for contacting Icom America.<br>
</i>
<i><br>
</i></div>
<div style="margin:0px 0px 8px 0px;"><i><span>Below is a breakdown
of the fuse designators. Replacement fuses can be found at
local places like Home Depot, Lowes, Digi-Key, and Mouser, or
you can order replacements through our Parts Dept (p/n -
5210000090).</span></i></div>
<div style="margin:0px 0px 8px 0px;"><i><span>F - Fast blow</span></i></div>
<div style="margin:0px 0px 8px 0px;"><i><span>G - full-range
breaking capacity, meaning that the fuse is capable of
breaking all overcurrents from its minimum melting current up
to its breaking capacity.</span></i></div>
<span><i>B - trips at fault currents 3-5 times the rated current</i><br>
<font face="Verdana"><br>
So.... basically your average 30A fast-blow fuse. Cool.<br>
<br>
73,<br>
<br>
Tim - K1DC<br>
</font></span><br>
<div class="moz-cite-prefix">On 16-Oct-23 18:52, KC1SOZ wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CANxHLxSnh=zsmJkomcya2OQ6+mJpcCZ3zjMXpk3cic7VDOb8iA@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">Oh, never mind, it is FGB, but when they are listed
as ICOM as the manufacturer, you know there's something funky
going on.
<div><br>
</div>
<div><span
style="color:rgb(77,81,86);font-family:Roboto,arial,sans-serif;font-size:14px">5210000090 </span><span
style="font-weight:bold;color:rgb(95,99,104);font-family:Roboto,arial,sans-serif;font-size:14px">FUSE
FGB 30A</span><span
style="color:rgb(77,81,86);font-family:Roboto,arial,sans-serif;font-size:14px"> M710
706 M802</span><br clear="all">
<div>
<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr"><br>
<div>73,
<div>KC1SOZ</div>
<div>Juan</div>
</div>
</div>
</div>
</div>
<br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Oct 16, 2023 at
6:49 PM KC1SOZ <<a href="mailto:kc1soz@bd5.com"
moz-do-not-send="true" class="moz-txt-link-freetext">kc1soz@bd5.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">FSB, not FGB.<br clear="all">
<div>
<div dir="ltr" class="gmail_signature">
<div dir="ltr"><br>
<div>73,
<div>KC1SOZ</div>
<div>Juan</div>
</div>
</div>
</div>
</div>
<br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Oct 16, 2023 at
6:25 PM Greg <<a href="mailto:wa1emg@yahoo.com"
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">wa1emg@yahoo.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
Fuse, glass body<br>
<br>
<br>
<div><a rel="noreferrer noopener" moz-do-not-send="true">Sent
from Yahoo Mail for iPad</a><br>
</div>
<br>
<p
style="font-size:15px;color:rgb(113,95,250);padding-top:15px;margin-top:0px">On
Monday, October 16, 2023, 18:17, KC1SOZ <<a
href="mailto:kc1soz@bd5.com" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">kc1soz@bd5.com</a>>
wrote:</p>
<blockquote>
<div
id="m_-1477603090574205737m_2730201281237074730yiv1182526660">
<div>
<div dir="ltr">That likely means someone who
didn't know what FGB is just popped regular
fuses on there. FGB 30A fuses can be had for
relatively little money, just search for "FGB
30A fuse". It would be a good idea to put the
right ones in there.<br clear="all">
<div>
<div dir="ltr">
<div dir="ltr"><br clear="none">
<div>73,
<div>KC1SOZ</div>
<div>Juan</div>
</div>
</div>
</div>
</div>
<br clear="none">
</div>
<br clear="none">
<div>
<div
id="m_-1477603090574205737m_2730201281237074730yiv1182526660yqt55789">
<div dir="ltr">On Mon, Oct 16, 2023 at 6:11 PM
TimC <<a shape="rect"
href="mailto:k1dc.radio@gmail.com"
rel="noreferrer noopener" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">k1dc.radio@gmail.com</a>>
wrote:<br clear="none">
</div>
<blockquote
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div> - The DC supply line is original Icom
OEM.<br clear="none">
<br clear="none">
- Yup, all of the above.<br clear="none">
<br clear="none">
The fix was to replace the in-line fuse on
the negative DC supply. All better now.
Although, it seems the spec. in the manual
calls for a 'FGB 30 A' fuse. There was,
and is, a 25 A 'normal' glass cylinder
fuse. I'm still a bit fuzzy on what
exactly a 'FGB' fuse might be.<br
clear="none">
<br clear="none">
73,<br clear="none">
<br clear="none">
T.<br clear="none">
<br clear="none">
<div>On 16-Oct-23 16:48, Andy Wallace
wrote:<br clear="none">
</div>
<blockquote type="cite">
<div dir="ltr">Can the DC cable wiring
handle the current (25A? Not
aftermarket cable)?</div>
<div dir="ltr"><br clear="none">
</div>
<div dir="ltr">Do you power down the rig
first then the supply, and the supply
first then the rig for power up?</div>
<div dir="ltr">Andy</div>
<div dir="ltr">KA1GTT</div>
<div dir="ltr"><br clear="none">
On Oct 16, 2023, at 10:42 AM, TimC <a
shape="rect"
href="mailto:k1dc.radio@gmail.com"
rel="noreferrer noopener"
target="_blank"
moz-do-not-send="true"><k1dc.radio@gmail.com></a>
wrote:<br clear="none">
<br clear="none">
</div>
<div dir="ltr"> Almost a year and a
half ago my TS-2000 developed a
problem with intermittent shutdown
that eventually graduated to brick
status. After MUCH troubleshooting
the root cause was a power line fuse
that had transformed into a 1.2k
resistor. I thought at the time that
this was so weird it had to be a
one-off.<br clear="none">
<br clear="none">
Well... now it's a two-off. My IC-756
did the exact same thing this morning
after some heavy FT8 use and sure
enough, another fuse->resistor
transformation. Just to be clear,
they don't show as open, nor short.
They read ~1k ohm.<br clear="none">
<br clear="none">
Is this a known/common occurrence or
do I live in some weird hole in the
universe where these things happen?<br
clear="none">
<br clear="none">
73,<br clear="none">
<br clear="none">
T.<br clear="none">
<div>-- <br clear="none">
<p
style="font-family:Verdana,Geneva,sans-serif;font-size:10px">Courageously
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<div>-- <br clear="none">
<p
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Spelling errors in this
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<p
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<p
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Spelling errors in this message are the product of a
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IMPORTANT: This email is intended for the use of the
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