Question about Uniden Bearcat Pro PC78XL 40-Channels Base CB Radio

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Do you have schematics for the uniden pc78xl - Uniden Bearcat Pro PC78XL 40-Channels Base CB Radio

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  • 219 Answers

Check out cbtricks.com they might

Posted on Nov 21, 2009

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Posted on Jan 02, 2017

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SOURCE: Looking to install astatic echo board in uniden PC78XL

usally on most radios you will unplug the wire that comes from the number two mic plug. you will hook you sheid witch is the 2 little black wires from the echo board to number one mic plug. then the two wires will go to wire you unplug and the other one will go to number 2 mic plug.

Posted on Nov 18, 2009

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Schematic for pc78xL won,t turn on


there gould be a number of reasons for it not turning on but the one I am thinking of is the reverse polarity diode. If it is burnt your radio will not turn on look in the area of your where your power wires come in .You should see a single black zenner diode.Replace it and it should turn on .

Jan 21, 2012 | Uniden Bearcat Pro PC78XL 40-Channels Base...

1 Answer

Need a shop


You may have ant. trouble if the SWR is hi
that feeds power back into the radio and
could damage it,lets hope not start with a
good ant.and maybe the radios are not hurt
to bad.
Good Luck

Sep 02, 2009 | Uniden Bearcat Pro PC78XL 40-Channels Base...

1 Answer

I have a bear cat scanner i moved out of nys to nc and now i cant find any codes wat can i do


The best database for locating your local frequencies can be found at:

www.radioreference.com

Another source is:

www.cityfreq.com

Sep 02, 2009 | Uniden Bearcat Pro PC78XL 40-Channels Base...

1 Answer

Not receiving on any channel


uou may a bad mic if not I would think the
autoamp is at bad.this means you will
have to thae to a shop.
Good luck

Aug 26, 2009 | Uniden Bearcat Pro PC78XL 40-Channels Base...

1 Answer

Mic not Keying up


Sounds like you are not modulating well. try adjusting your amp.also, test your antenna for wire breakage and, make sure that your mic has good wires as well.

Jan 22, 2009 | Uniden Bearcat Pro PC78XL 40-Channels Base...

2 Answers

Cant find utah 10 scanner codes


I dont know what you mean but here are 10 codes for Utah
http://www.bearcat1.com/radiout.htm
Those are for Utah

These are scanner freq's for Utah
http://www.bearcat1.com/utah.htm

Jan 12, 2009 | Uniden Bearcat Pro PC78XL 40-Channels Base...

1 Answer

Scanner codes


Murry is this for a scanner, your heading lists a 40 ch CB radio. If your looking for freq's for your area,go here;
http://www.radioreference.com/apps/db/

If your looking for 10- codes and signals, go here;
http://www.nat-com.org/radio.htm

I hope this is what your looking for,, let me know and have a good day,,, Mechanic

Mar 08, 2008 | Uniden Bearcat Pro PC78XL 40-Channels Base...

1 Answer

Cb radio


Hi, A couple of switches and knobs you can check (if present in your rig): 1. auto noise/noise blanker switch - try off position; 2. dynamic squelch control - lower down setting; 3. RF gain - should be at max (clockwise); and 4. Delta Tune - normally should be centered. Hope this works out for you and give you an idea where to start. Good luck and pls post again how things turn up. Kind regards.

Aug 07, 2007 | Uniden Bearcat Pro PC78XL 40-Channels Base...

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