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Forum: Technical Info

Have a tech question regarding the inner-workings of your radio? This would be the place to ask!

  1. Sticky Thread Sticky: A word on Modulation

    This comes from the December newsletter I received from Bells CB in Ft. Lauderdale, FL/ Written by their tech 'Screwdriver'. Thought I'd post it for...

    Started by Iceman, 12-15-2009 02:44 AM
    2 Pages
    1 2
    analyzer, audio, box, microphone, power, radio
    • Replies: 35
    • Views: 1,287
    06-17-2010 11:01 AM Go to last post
  2. Arrow Sticky Thread Sticky: Secret CB Books - Volume 1-29 - Download Links

    Thanks to Captain Morgan for supplying us with these! Proudly hosted by Mauldroppers. DOWNLOAD VOL 1-8 DOWNLOAD VOL 9-16 DOWNLOAD VOL...

    Started by 10 Gauge, 06-12-2009 10:02 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,521
    06-03-2010 07:49 AM Go to last post
  3. Sticky Thread Sticky: Modulation Learning Info

    Get out your notepad ducks!http://www.tpub.com/neets/book12/48n.htm

    Started by Mr. 557, 04-15-2009 03:53 PM
    • Replies: 3
    • Views: 532
    10-24-2009 06:32 PM Go to last post
  1. Meter for Uniden PC76XL

    I was wondering if anyone knew where I can get a meter for my 17 year old Uniden. It has quit working. Radio talks, hears but no movement on the...

    Started by KnuckleDuck, 09-01-2010 06:32 PM
    • Replies: 4
    • Views: 42
    Yesterday 07:40 AM Go to last post
  2. Low receive, very high swr,

    I am an over the road truck driver, my truck broke down so they put Me in a loaner, o3 Valvo. It has dual factory antennas, the swr was about 1.9 and...

    Started by EZ-Chicken, 08-31-2010 08:52 PM
    • Replies: 3
    • Views: 44
    08-31-2010 10:50 PM Go to last post
  3. Stumped

    I got a CX-3300 in for parts, I got bored and went to workin on it yesterday. The recieve was completely out of it. After a few hours of tinkering, I...

    Started by Lightning_Bolt, 08-22-2010 11:47 AM
    • Replies: 5
    • Views: 87
    08-22-2010 05:09 PM Go to last post
  4. 146 gtl no recieve

    got a cobra 146 gtl it transmits plenty of audio just no recieve witch parts needs fixed there is no sound comming in at all is it what they call a...

    Started by nexus816, 08-16-2010 11:56 PM
    • Replies: 13
    • Views: 115
    08-19-2010 06:25 AM Go to last post
  5. Connex 3300 Mods

    Last week I came across an old COnnex 3300 Side Mic. It's a single 1969 final; 3600 board. I wanted to play around with it a big and see if I...

    Started by Iceman, 08-18-2010 04:25 AM
    • Replies: 5
    • Views: 76
    08-18-2010 09:38 AM Go to last post
  6. Flux remover

    What kind of flux remover are you guys using? For years I used Chemtronics Fluxoff and it worked awsome. But since I moved I can't find it...

    Started by Bushwacker, 08-08-2010 12:43 PM
    • Replies: 11
    • Views: 160
    08-16-2010 06:49 PM Go to last post
  7. Northstar NS-9000

    picked up one of these things today but i cant seem to find much info on it. Its a dula final rig but the finals have something over them so i can...

    Started by Iceman, 06-19-2010 02:28 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 372
    08-15-2010 01:54 PM Go to last post
  8. modulation swing?

    funny thing i have a super star 4900 b base station and it has a problem with the modulation when i key down my modulation starts off low and graduly...

    Started by 3-5-7, 08-04-2010 09:58 PM
    • Replies: 3
    • Views: 117
    08-09-2010 07:33 PM Go to last post
  9. Manipulating Cap Values

    ok say i need a 80pf cap but dont have any. can i use for example a 50pf + 30pf soldered together? does it work like this?

    Started by Iceman, 07-25-2010 01:03 PM
    • Replies: 15
    • Views: 241
    08-09-2010 01:52 PM Go to last post
  10. Problems with Uniden 76

    Hey just received a Uniden PC76XL off ebay. Turns out it's a Philly model too. Anyway I put it on the bird and I'm seeing about a 2w DK and...

    Started by Iceman, 07-28-2010 06:33 PM
    • Replies: 16
    • Views: 188
    08-07-2010 07:05 PM Go to last post
  11. Cobra 200 problem

    i acquired a Cobra 200 in a trade. when turning it on, sometimes the Freq counter and channel selector read 8888 88.. and you can't do anything. no...

    Started by Cj1, 08-01-2010 03:11 PM
    • Replies: 3
    • Views: 82
    08-03-2010 08:54 PM Go to last post
  12. cobra 29 Problem

    I recently aquired an older cobra 29 side mic.Radio is real clean but it smokes.Literally.LOL.Opened her up and found that D8 is crack and causeing...

    Started by Reddog355, 07-31-2010 03:26 PM
    • Replies: 13
    • Views: 167
    08-02-2010 09:03 AM Go to last post
  13. Newer Cobra 29 Board...Whats Wrong?

    WTF!!! CObra did away with TVI trap & coil??? How can this be? Is Cobra starting to make splatter boxes roll right off their assembly lines??? Oh...

    Started by Iceman, 07-24-2010 04:06 PM
    • Replies: 1
    • Views: 125
    07-24-2010 10:03 PM Go to last post
  14. Galaxy 929 Deadkey

    I'm looking to run a 2 pill in my mobile, either a Comp class C, with a fan and remote, or a Midnight Special 250. My Galaxy DX929 has a variable,...

    Started by Sonomer, 07-23-2010 03:36 PM
    • Replies: 3
    • Views: 96
    07-23-2010 11:29 PM Go to last post
  15. Cobra 29 no tx

    I'm having a lot of trouble finding what is wrong with my radio. It recieves great and the pa works with good audio the rx/tx light changes color...

    Started by coppernickel, 07-22-2010 08:24 PM
    • Replies: 5
    • Views: 111
    07-22-2010 10:42 PM Go to last post
  16. Keydowns...Dirty Radios

    I didnt want to take the Biased Box thread off topic hence this thread. OK, when we talk about competition radios and alike used in the keydown...

    Started by Iceman, 07-19-2010 03:16 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 443
    07-21-2010 12:55 PM Go to last post
  17. Question Adjusting the bias of a radio for more watts....

    Recently I have heard rumors that a certain tech can take a radio and adjust the biasing to see more watts on the meter. Here's the question.... ...

    Started by 10 Gauge, 07-19-2010 01:15 PM
    • Replies: 10
    • Views: 259
    07-20-2010 10:05 PM Go to last post
  18. Magnum S6, what goes here?

    In case anyone knows.... One of the spots that was blown was on the back side of the board. After looking at the schematics we couldn't find what...

    Started by 10 Gauge, 07-08-2010 09:56 PM
    • Replies: 15
    • Views: 225
    07-19-2010 12:42 PM Go to last post
  19. i have a pinger with three wire hookup

    this is old it only has three wires how do ihook this old thing up

    Started by nexus816, 07-08-2010 01:39 AM
    • Replies: 8
    • Views: 219
    07-12-2010 01:38 AM Go to last post
  20. Help with my S6

    In the heat of the moment I accidentally nearly hooked my S6 up backwards. I was sliding the plug across the connector pins blindly and they...

    Started by 10 Gauge, 07-03-2010 06:30 PM
    • Replies: 11
    • Views: 268
    07-08-2010 09:49 PM Go to last post

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