Re: BC780xlt Squelch Break Turns on Display

"Don [email protected] [UnidenBC780XLT]" <[email protected]> Fri, 28 Jun 2019 13:24:02 -0500
Newsgroups gmane.recreation.radio.hardware.uniden.bc780xlt
Message-ID <[email protected]>
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Looks like photos are not allowed in messages so I uploaded it to the 
group website. I don't see it though. Maybe the moderator has to approve 
first.

A terrific BC780xlt day in Nebraska!

Don


More Live Radio Fun and a Whole Lot More!

Don KPC6NDB
Gothenburg, NE
N40.9 W100.1 2600ft DN90ww
BC1206CM Bearcat DX1000 FRG-100B
FunCube Dongle Pro+ ICF2010 Perseusx3
WR-G303e WR-G31DDCx7 SDRplay RSP2pro
R70 R71A w/250Hz R75x2 w/250Hz R7000
PRN1000x2 SDR-IQ SPR-4 SSR-1 w/NDB mod
SR-AF & LPF DSP599zx MFJ-784B HD-1418 AF-1 MSB-1
PA0RDT-MWx4 1@18 1@18ft DXE-ARAV3-1Px4
RYOAA McKay Dymek DA-100 AAx3
Z1501F Russian MW
105 Vintage ADF/RDF
2384 Lifetime logs +65k logs submitted

On 28-Jun-19 13:14, Don [email protected] [UnidenBC780XLT] wrote:
>
> Hi All,
>
> Thanks for Ubbe's help.
>
> I got the 780 out in the garage and removed the top case cover. The PCB
> is upside down in the 780.
>
> I found a 2N2222 transistor (flat side up) and a 4148 diode (band is
> on the transistor side) soldered in near the VFO/Select knob. The
> attached photo I just snapped should be clear enough to guide you to do
> this kool mod. Hopefully this group accepts photos.
>
> Obviously you will need some fine soldering skills, fine solder and a
> low wattage iron. A stand alone magnifying glass and strong light will
> help. Be sure to check that there are no shorts to the adjacent ground
> plane. The top end of the diode is unsoldered as I had to lift it to see
> the number but it is supposed to be soldered to that isolated pad it is
> touching.
>
> A terrific BC780xlt day in Nebraska!
>
> Don
>
> More Live Radio Fun and a Whole Lot More!
>
> Don KPC6NDB
> Gothenburg, NE
> N40.9 W100.1 2600ft DN90ww
> BC1206CM Bearcat DX1000 FRG-100B
> FunCube Dongle Pro+ ICF2010 Perseusx3
> WR-G303e WR-G31DDCx7 SDRplay RSP2pro
> R70 R71A w/250Hz R75x2 w/250Hz R7000
> PRN1000x2 SDR-IQ SPR-4 SSR-1 w/NDB mod
> SR-AF & LPF DSP599zx MFJ-784B HD-1418 AF-1 MSB-1
> PA0RDT-MWx4 1@18 1@18ft DXE-ARAV3-1Px4
> RYOAA McKay Dymek DA-100 AAx3
> Z1501F Russian MW
> 105 Vintage ADF/RDF
> 2384 Lifetime logs +65k logs submitted
>
> On 28-Jun-19 10:52, [email protected] [UnidenBC780XLT] wrote:
> >
> > Does anyone remember, have info about this mod? This should be
> > standard in any scanner IMHO.
> >
> >
> > I bought a used 780 for $30 that was in a police car and works
> > terrific. After completely reprogramming it I found that when the
> > squelch opens the display turns on the display and goes off after the
> > squelch closes - kool!
> >
> >
> > I vaguely remember this mod but extensive internet searching was
> > fruitless. I would think that completely reprogramming it by PC
> > (ProScan) any software mod would be wiped out.
> >
> >
> > I've had 780's since they came out and now have 5. Perfect for my area
> > in flyover country. I also have a BCD396xt, 2ea BCD996xt, BCD436, HP2,
> > 2ea Pro-2004, Pro-2006 (heavily moded & bad audio)(used to have 4
> > heavily moded) and a BC-9000xlt.
> >
> >
> > Thanks for any help,
> >
> >
> > Don
> >
> > KPC6NDB
> >
> >
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
> [Non-text portions of this message have been removed]
>
> 


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    Looks like photos are not allowed in messages so I uploaded it to
    the group website. I don't see it though. Maybe the moderator has to
    approve first.<br>
    <br>
    <pre class="moz-signature" cols="72">A terrific BC780xlt day in Nebraska!

Don


More Live Radio Fun and a Whole Lot More!

Don KPC6NDB
Gothenburg, NE
N40.9 W100.1 2600ft DN90ww
BC1206CM Bearcat DX1000 FRG-100B
FunCube Dongle Pro+ ICF2010 Perseusx3
WR-G303e WR-G31DDCx7 SDRplay RSP2pro
R70 R71A w/250Hz R75x2 w/250Hz R7000
PRN1000x2 SDR-IQ SPR-4 SSR-1 w/NDB mod
SR-AF &amp; LPF DSP599zx MFJ-784B HD-1418 AF-1 MSB-1
PA0RDT-MWx4 1@18 1@18ft DXE-ARAV3-1Px4
RYOAA McKay Dymek DA-100 AAx3
Z1501F Russian MW
105 Vintage ADF/RDF
2384 Lifetime logs &#43;65k logs submitted

</pre>
    <div class="moz-cite-prefix">On 28-Jun-19 13:14, Don
      <a class="moz-txt-link-abbreviated" href="mailto:[email protected]">[email protected]</a> [UnidenBC780XLT] wrote:<br>
    </div>
    <blockquote cite="mid:[email protected]" type="cite"> <span>?</span>
      
          <div id="ygrp-text">
            <p>Hi All,<br>
              <br>
              Thanks for Ubbe's help.<br>
              <br>
              I got the 780 out in the garage and removed the top case
              cover. The PCB <br>
              is upside down in the 780.<br>
              <br>
              I found a 2N2222 transistor (flat side up) and a 4148
              diode (band is <br>
              on the transistor side) soldered in near the VFO/Select
              knob. The <br>
              attached photo I just snapped should be clear enough to
              guide you to do <br>
              this kool mod. Hopefully this group accepts photos.<br>
              <br>
              Obviously you will need some fine soldering skills, fine
              solder and a <br>
              low wattage iron. A stand alone magnifying glass and
              strong light will <br>
              help. Be sure to check that there are no shorts to the
              adjacent ground <br>
              plane. The top end of the diode is unsoldered as I had to
              lift it to see <br>
              the number but it is supposed to be soldered to that
              isolated pad it is <br>
              touching.<br>
              <br>
              A terrific BC780xlt day in Nebraska!<br>
              <br>
              Don<br>
              <br>
              More Live Radio Fun and a Whole Lot More!<br>
              <br>
              Don KPC6NDB<br>
              Gothenburg, NE<br>
              N40.9 W100.1 2600ft DN90ww<br>
              BC1206CM Bearcat DX1000 FRG-100B<br>
              FunCube Dongle Pro+ ICF2010 Perseusx3<br>
              WR-G303e WR-G31DDCx7 SDRplay RSP2pro<br>
              R70 R71A w/250Hz R75x2 w/250Hz R7000<br>
              PRN1000x2 SDR-IQ SPR-4 SSR-1 w/NDB mod<br>
              SR-AF &amp; LPF DSP599zx MFJ-784B HD-1418 AF-1 MSB-1<br>
              PA0RDT-MWx4 1@18 1@18ft DXE-ARAV3-1Px4<br>
              RYOAA McKay Dymek DA-100 AAx3<br>
              Z1501F Russian MW<br>
              105 Vintage ADF/RDF<br>
              2384 Lifetime logs &#43;65k logs submitted<br>
              <br>
              On 28-Jun-19 10:52, <a class="moz-txt-link-abbreviated" href="mailto:[email protected]">[email protected]</a> [UnidenBC780XLT]
              wrote:<br>
              &gt;<br>
              &gt; Does anyone remember, have info about this mod? This
              should be <br>
              &gt; standard in any scanner IMHO.<br>
              &gt;<br>
              &gt;<br>
              &gt; I bought a used 780 for $30 that was in a police car
              and works <br>
              &gt; terrific. After completely reprogramming it I found
              that when the <br>
              &gt; squelch opens the display turns on the display and
              goes off after the <br>
              &gt; squelch closes - kool!<br>
              &gt;<br>
              &gt;<br>
              &gt; I vaguely remember this mod but extensive internet
              searching was <br>
              &gt; fruitless. I would think that completely
              reprogramming it by PC <br>
              &gt; (ProScan) any software mod would be wiped out.<br>
              &gt;<br>
              &gt;<br>
              &gt; I've had 780's since they came out and now have 5.
              Perfect for my area <br>
              &gt; in flyover country. I also have a BCD396xt, 2ea
              BCD996xt, BCD436, HP2, <br>
              &gt; 2ea Pro-2004, Pro-2006 (heavily moded &amp; bad
              audio)(used to have 4 <br>
              &gt; heavily moded) and a BC-9000xlt.<br>
              &gt;<br>
              &gt;<br>
              &gt; Thanks for any help,<br>
              &gt;<br>
              &gt;<br>
              &gt; Don<br>
              &gt;<br>
              &gt; KPC6NDB<br>
              &gt;<br>
              &gt; <br>
              <br>
              ---<br>
              This email has been checked for viruses by Avast antivirus
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              <a class="moz-txt-link-freetext" href="https://www.avast.com/antivirus">https://www.avast.com/antivirus</a><br>
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              <br>
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        Posted by: Don &lt;[email protected]&gt;        <hr style="height:2px ; border-width:0; color:#E3E3E3; background-color:#E3E3E3;">
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