Question about Uniden PC78ELITE 40-Channels Base CB Radio

1 Answer

Unidenpc78elite modulation adjustment point

Find modulaion adjustment pot or point on the schematic board of the uniden cb radio, pc78elite.

Posted by Anonymous on

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  • Uniden Master
  • 1,795 Answers

The uniden 78 series is like the COBRA 29 ltd not the cobra 25 . the pc 68xl is like the 25 ltd The Mod..adj point on the 78 is VR4 .

Posted on Mar 02, 2017

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: UNIDEN UH-011 UHF CB RADIO

i have just printed off a hard copy of this manual it was on Http//.www.uniden.com.au/ RESOUCES main/pdf/uh011.pdf If that isnt helpfull i could post it out to you.

Posted on Aug 09, 2009

Benimur
  • 6966 Answers

SOURCE: CB Radio

Hi and welcome to FixYa,

Have you tried VR5? Not much on the mods other than adjusting L8-10 for AM power.

Good luck and thank you for asking FixYa.

Posted on Aug 15, 2009

  • 773 Answers

SOURCE: How do I up the modulation on a Uniden PC68LTW?

This should be just like a cobra 25. I don't know who told you it wasn't.

Posted on Oct 03, 2009

  • 1274 Answers

SOURCE: uniden pc78elite antenna light

What kind of antenna is it? Have you checked your standing wave? To do this process you will need a field strenth or a SWR meter to do it,would be cheaper to have it checked at Radio Shack or you can buy one,and do it yourself. Some radio antenna light come on when transmitting,....hope this helps....

Posted on Mar 15, 2010

anymhz
  • 500 Answers

SOURCE: I need the schematics for a Uniden President Washingtom cb radio

I have the schematic, in a pdf form. Just need a way to send it to you. email/ftp/ send me a self address envelope ill print it out its not very big.

Posted on Nov 27, 2011

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2 Answers

Where is the modulation pot on the dx 919 v 16


did you use a meter when you set the pot? there are two pots to adjust . one for high modulation and they other for low modulation . Apparently you didn't read the schematic good enough.

Feb 27, 2015 | Radio Communications

1 Answer

Adjust modulation pot


Can't tell you but if its anything like my 9001z the variables are clearly marked. www.cbtricks.com has your schematic.Go look at it and find the pot or vr turn turn up the modulation.

Dec 04, 2013 | MidiLand 5001Z CB Radio

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PC 78 elite, no modulation



Check tr 14 15 AND 16 AND DIODES D14 D13

Jun 10, 2013 | Uniden PC78ELITE 40-Channels Base CB Radio

1 Answer

Adjust modulaion pot dx919


TO ADJUST MODULATION IN THIS RADIO THE POT IS MARKED
V-16 TURN CLOCKWISE ,CAUTION VERY FRAGIL BE VERY GENTLE SIR

Feb 24, 2013 | Galaxy Radios DX-919 40-Channels Base CB...

1 Answer

I need a schematic for a uniden pc 78 elite


Hi Todd,

Try this: join yahoo group specific to your radio Make/Model, you can download manuals, schematics and get a lot of great advice & info for your radio.

All of this is free.

Cheers,
Peter

Dec 20, 2012 | Uniden PC78ELITE 40-Channels Base CB Radio

1 Answer

I need the schematics for a Uniden President Washingtom cb radio


I have the schematic, in a pdf form. Just need a way to send it to you. email/ftp/ send me a self address envelope ill print it out its not very big.

Nov 27, 2011 | Uniden PC78ELITE 40-Channels Base CB Radio

1 Answer

Looking for a place to download the schematics for the pc78 elite


http://www.cbtricks.com/radios/uniden/pc_77/graphics/uniden_pc77_sch.gif
Not familiar with the Elite series i believe it is the PC78 repackaged with orange lights.
Either way the cobra 29 and Uniden PC78s are roughly 90% the same radios Until you get to the Chrome cobra and LX and 50th anniversary the later being the same except the mic and some stickers oh and the price.

Sep 09, 2011 | Uniden PC78ELITE 40-Channels Base CB Radio

1 Answer

More power.modulation.


This radio will not do much above 8 watts and when you increase the watts the modulaion will decrease. It's a trade off. Personnally I would start looking at a conex or galaxy radio if you want more power and modulation.

Jul 19, 2011 | Uniden PRO538W 40-Channels Base CB Radio

1 Answer

Uniden pc78elite antenna light


What kind of antenna is it? Have you checked your standing wave? To do this process you will need a field strenth or a SWR meter to do it,would be cheaper to have it checked at Radio Shack or you can buy one,and do it yourself. Some radio antenna light come on when transmitting,....hope this helps....

Mar 15, 2010 | Uniden PC78ELITE 40-Channels Base CB Radio

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