Question about Cobra 148 GTL 120-Channels Base CB Radio

2 Answers

CB Maxcom 30E I am after the schematic diagram for this CB can anyone help

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  • Anonymous Mar 27, 2014

    very quiet when transmiting

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Can anyone tell me if a maxcom 30e is any good

Posted on Mar 22, 2009

  • s22peo Mar 22, 2009

    looking for maxcom 30e

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Have you got the pcb board number for it?

Posted on Sep 03, 2008

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I need a schematic diagram for a cb radio the radio is a electrophone model cb-550 PCB is a PTBM058COX with a SWR meter PCB PTSR007AOX need it to wire the SWR meter to the main board please help?


This circuit board is manufactured by Uniden, I believe. I was searching for it last week and found it by googling PTMN058COX Schematic. There are many brands using this board so don't worry about the brand name. Just download the file.

Oct 11, 2016 | CB Radios

1 Answer

Maxcom 4e will only key up after its been switched on for a while


Did you look at it? What did you see ? you will need a source of heat like a hair dryer but able to apply direct heat to that one spot . Warm it up good then turn your radio on and see if it keys up or what .If it keys up right away then replace c113 with a new one and you should be in business.

Jan 16, 2015 | CB Radios

1 Answer

I have a radioshack TRC 496 cb radio and can't find a replacement microphone but if I had a wire schematic or the pins identified I could possibly wire a different mic into it. Can anyone help me out?


Try this link, it may be of help The CB Radio Talk Forum • View topic - microphone<radio ... www.cbradiotalk.com/viewtopic.php?f=32&t=15385
  • Last updated: Dec 30, 2007 ·
  • 5 posts ·
  • First post: Dec 30, 2007
I have a trc 496 rat shack 40 chnl cb, it has a modular jack on the mic which plugs into it<like a phone jack>, anyone know where I can get a mic like this preferably ...

Aug 30, 2014 | CB Radios

1 Answer

I got 150 gtl cb ccobra it wont key up


can you read a block diagram? www.cbtricks has the block diagram,schematics and service manual. Then you can create your own splashbox.

Aug 11, 2013 | Cobra 150 GTL DX Base CB Radio

1 Answer

I am looking for a diagram of schematics for my uniden grant cb. qny help?


I have not checked the similarity of it but with the Grant LX which i have the older Cobra 148 are near clones.
http://www.cbtricks.com/radios/uniden/grant_lt/index.htm

Hope this helps

Sep 03, 2011 | Uniden GRANTLT 40-Channels Base CB Radio

1 Answer

I have a Cobra 21- 23 channel CB and the wires pulled out of the plug. The mike wire has red,yellow black,blue,whiteand a ground. My plug has only four prongs to solder to. What four colors do I use?


Hello there
Here is the diagram for you
Cobra 29LTD, 29LTD ST, 29WX ST
Documentation Project
CBTricks.com

TIPS:
You need to have Acrobat Reader version 5 or newer installed to view the files with pdf_1.gif icon.
If the files with jpg.gif or gif.gif icon will not display see the Site FAQ for help on printing, viewing and using this information.
25ltd_st_sm.jpg
Click Picture to See Close-up
cobra_29ltd_st_29wx_st_side.gif 29LTD ST Owners Manual pdf_1.gif
29WX ST Owners Manual pdf_1.gif
DIAGRAMS
29LTD ST Schematic Diagram pdf_1.gif
29LTD ST Schematic Diagram gif.gif
29WX ST Schematic Diagram pdf_1.gif
WX Schematic Diagram pdf_1.gif
29LTD, 29LTD ST, 29WX ST Factory Service Manual pdf_1.gif
Page 1 to 11
Page 12 to 34
29LTD Factory Service Manual pdf_1.gif
29LTD
29LTD Schematic Diagram pdf_1.gif
29LTD Schematic Diagram jpg.gif
29 LTD Classic Schematic Diagram pdf_1.gif(Courtesy of Rick Jackson)



Mic Wiring
Stock
1- Shield
2- Audio
3- Transmit
4- Receive
Astatic (4 wire)
1- Shield
2- White
3- Red
4- Black

Astatic (6 wire)
1- Shield & Blue
2- White
3- Red
4- Black
Yellow NC
Daiwa EM-500
Cobra CA Series

1- Shield & Black
2- Red
3- White
4- Blue
Galaxy DC-521S (4 wire)
1- Shield
2- Yellow
3- Red
4- Black
Galaxy CB-660EI
1- Shield & Black
2- White
3- Red
4- Blue
Sadelta
1- Shield
2- White
3- Brown
4- Green
Turner
1- Shield & Red
2- White
3- Blue
4- Black
Yellow NC

Nov 17, 2009 | Cobra 29 LTD CB Radio

2 Answers

Help with cb radio


Hello there
here is a link for the scematic ok?
best regards michael

  1. Cobra 29LTD ST, 29WX ST 29LTD ST Owners Manual. 29WX ST Owners Manual. DIAGRAMS. 29LTD ST Schematic Diagram ... WX Schematic Diagram. 29LTD, 29LTD ST, 29WX ST Factory Service Manual ...www.cbtricks.com/radios/cobra/29ltd_29ltd_st_29wx_st/index.htm - Cached

Sep 15, 2009 | Cobra 29 LTD CB Radio

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