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Search results

  1. sonoma

    China made Cobra 148gtl clarifier problem.

    for R175 you can try the 1K ohm resister or cut the wire and go straight to ground. this portion will change how much it will slide.
  2. sonoma

    China made Cobra 148gtl clarifier problem.

    lets see if this picture will load.
  3. sonoma

    China made Cobra 148gtl clarifier problem.

    999 this is all the info I have for the mod. This is what I have: 1 Cut R44 2 Cut D52 3 Solder a jumper wire across R 174 (or remove it and put a jumper in its place) 4 Remove red wire that comes from the Fine tune pot from the board and hook it to the + side of C84 5 Change R175 to a 1KOhm
  4. sonoma

    China made Cobra 148gtl clarifier problem.

    you will have to realign the radio after the clarifier mod. did you align it after the mod?
  5. sonoma

    Galaxy 2 radio issues

    here is the link to all his kits. you can look for the one for your radio or even send him a message from the ebay links. https://www.ebay.com/sch/**klondikemike**/m.html?item=143268527111&hash=item215b783c07%3Ag%3A3mIAAOSwf6FctLyb&rt=nc&_trksid=p2047675.l2562
  6. sonoma

    THRIFT STORE FIND

    good finds. my thrift store puts a price on radios about the same as a new radio. he prices cobra 29 radios around 75.00 just as an example of what he does.
  7. sonoma

    Galaxy 959B voicelock question

    here is a link to increase the slide just a little. yours may already have the mod but take a look. http://www.cbtricks.com/radios/galaxy/dx959/dx959_clarifier_mod_range.htm
  8. sonoma

    Galaxy 959B voicelock question

    best to leave the clarifier like it is. more slide and way more drift if you mod it to slide more
  9. sonoma

    What electronics have YOU fixed lately?

    Chevyboy the 29LX is getting hard to find for a parts radio now days. 2 years ago they were on ebay all the time cheap but not now days. looks like all the radios are priced high from what they use to be. some are selling used ones for about the same price you can buy a new one for. the one I...
  10. sonoma

    What electronics have YOU fixed lately?

    Just repaired a 29LX I bought off ebay that the protect diode was blown and some one kept trying the radio to see if it would work and blew the trace in 2 places. they had done some mods to it for swing and the solder was so cold they need to stay away from a radio. the radio works just fine now...
  11. sonoma

    Old school Cobra 148GTL....

    it all depends on how he modded the radio. there are more than one version to get extra channels so with out a freq counter it may be hard to get what you have right. there is 4 versions of the channel mod for this radio. off hand I do not have them all around me. most mods only take you down to...
  12. sonoma

    Cobra 2000 GTL test points?

    here is the service manual http://www.cbtricks.com/radios/cobra/2000gtl/graphics/cobra_2000gtl_sm.pdf
  13. sonoma

    President Grant PC-999AD

    here is what I found for the pc999 board on the Defpom site. hope this works for you 1) Cut D-45. 2) Find D-79 and jump it (Solder a wire across it) 3) Remove r-120 and replace it with a 470 ohm resistor. 4) Find the BLUE wire from the clarifier knob and cut it just before it connects to the...
  14. sonoma

    Secret CB Volumes ... taken to the cleaners!

    Mike you have done a nice job. thank you
  15. sonoma

    Cobra 29LX display back lighting...

    maybe this will help you to find the problem. http://downloads.cobra.com/CB/TSB/TSB10076.pdf
  16. sonoma

    Consumer Electronics Hall Of Fame Cobra 138XLR

    thanks oldtech, I have been wanting this from unit_399's old site. I could not download the word version since my packet is a old version of word but the PDF downloaded just fine. thanks again
  17. sonoma

    Cobra 29 NW - popping sound in speaker

    I had a 29 popping about like yours a few years ago and changed the caps at the audio IC and it went away. one of the caps was bad causing the noise. forget which one was bad but C48 keeps popping in my head as to the one that was bad, just a thought
  18. sonoma

    Project cobra 140 gtl need some help

    here is what info it available on cbtricks. it shows pin 5 as the tx line. take a look http://www.cbtricks.com/radios/cobra/140gtl/index.htm
  19. sonoma

    148GTL-DX Very Weak AM receive

    it is an old one. do not remember the brand right off hand. it is about 50 years old from what I remember. I have 2 of them and both work just fine. I looked for the manual for them and they are Eico 147 and 147A. both do the job for me.
  20. sonoma

    148GTL-DX Very Weak AM receive

    looks like your radio has a bunch of trans turned backwards to the silk screen.