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3. 3 34 3 3 26 475 3 26 485 3 26 495 39 26 945 26 505 40 26 955 3 3 N nT 1 3 1 7 2 3 2 7 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 Freq 26 065 26 075 26 085 26 095 _ 26 105 26 115 26 125 26 135 _ 26 145 26 155 26 165 26 175 26 185 26 195 26 205 26 215 26 225 26 235 26 245 26 255 26 265 _ 26 275 26 285 26 295 26 305 _ 26 315 26 325 26 355 26 335 _ 26 345 26 375 26 385 _ 26 395 26 405 26 415 26 425 26 435 26 445 26 455 26 465 26 475 26 485 26 495 26 505 _ Copyright 2005 CBTricks com Cobra 200GTL DX Frequency Modification Package Display Freq Display 3 3 Band D Freq Segment 1 Freq Segment 2 Display isplay 21 86 27 875 2 885 21 895 21 905 27 915 27 925 27 935 27 945 27 955 21 965 27 975 27 985 21 995 28 005 28 015 28 025 28 035 28 045 5 28 16 28 115 28 785 28 795 28 805 28 815 28 825 28 835 28 845 28 855 28 865 28 875 28 885 28 895 28 905 29 005 29 015 29 025 29 035 29 045 29 055 29 065 29 075 29 085 29 095 29 105 29 115 29 145 29 125 29 135 29 155 29 165 29 175 29 185 29 195 29 205 29 215 29 225 29 235 29 245 29 255 29 265 29 275 29 285 29 295 O1 NO 9 301 29 315 29 325 29 335 29 345 29 355 29 365 29 375 29 385 29 395
4. doubts or the proper equipment it would be wise to have someone else you trust perform the mod for you The Cobra 200GLT DX is a 10 Meter Amateur Radio with some unique features not found on other Amateur radios SMT Surface Mount Technology design and other advanced features such as the Bi Polar Power Transistors used in the High Power Transmitter circuit give it superiority over other radios in it s class The Microprocessor Controlled PLL circuit allows the frequency range to extend far beyond many ofit s competitors Export Only Channel Display The Channel Display has visual indicators for Band Segments and A Channels Export mode consists of 8 Bands divided into 4 switch positions The 4 Position Band Switch A Through D represents two 45 channel frequency blocks for each letter For example Position A would start on the lower frequency segment 1 40 and then continue the next segment above when channel 40 is passed The channel display will show a small dot on the center of the display indicating that the radio is in the Upper Segment of the 2 bands A channels The Cobra radios also have continuous coverage of each band by not skipping the A channels between 3 7 11 15 and 19 as other radios do As the channel selector reaches channel 3 the next channel up will display 3 again with a small dot on the Right Side This represents channel 3A which is normally skipped by most radios and only a
5. Cobra 200GTL DX Frequency Modification Package This Mod Package is provided by CBTricks com Someone who wanted to help you repair your equipment put together this information Cobra 200GTL DX Frequency Modification Rev 1 1 If you would like to help us put more manuals online support us If you would like to help with this project let us know Supporters of CBTricks com paid for the hosting so you would have this file CBTricks com is a non commercial personal website was created to help promote the exchange of service modification technically oriented information and historical information aimed at the Citizens Band GMRS CB A Band MURS Amateur Radios and RF Amps CBTricks com is not sponsored by or connected to any Retailer Radio Antenna Manufacturer or Amp Manufacturer or affiliated with any site links shown in the links database The use of product or company names on my web site is not endorsement of that product or company If your company would like to provide technical information to be featured on this site will put up on the site as long as can do it in a non commercial way The site is supported with donation from users friends and selling of the Galaxy Service Manual CD to cover some of the costs of having this website on the Internet instead of relying on banner ads pop up ads commercial links etc Thus do not accept advertising banners or pop up pop under advertising or other marketing sales links or g
6. ccessible if the radio has a slider control or a 10Khz offset switch The Cobra 200GTL DX has a built in Frequency Display so it is much less confusing than other models having no display See page 2 for diagram for modification Copyright 2005 CBTricks com Cobra 200GTL DX Frequency Modification Package Export Mode mame 7 aqua ad PED E a a E T EM J J mar j er F iting Remove the covers and locate the TMP87PP21DF Microprocessor near the front right of the unit 2 Locate and Remove the surface mount Resistor R138 to the left side of the Microprocessor this will let the radio TX on all the channels but the Government Frequency range which is Listen Only Resistor R619 controls the TX on the Government Frequency range and is not installed from the factory Install the resistor that you removed from R138 to the R619 pads 1k to activate the Government Frequency range 4 Remove Power from the radio by disconnecting the Power leads for 15 seconds to reset the Microprocessor Copyright 2005 CBTricks com Cobra 200GTL DX Frequency Modification Package Band A Display Freg Display 3 3 Band B Freq Segment 1 Freq Segment 2 Display Display 26 06 26 075 26 085 26 095 26 105 26 115 26 125 26 135 26 145 26 155 26 165 26 175 26 185 26 195 26 205 26 215 26 225 26 235 26 245 O1 26 96 26 975 26 985 26 995 21 005 21 015 21 025
7. immicks on my website ALL the money from donations is used for CBTricks com didn t do all the work to make money have a day job This work was not done for someone else to make money also for example the ebay CD sellers All Trademarks Logos and Brand Names are the property of their respective owners This information is not provided by or affiliated in any way with any radio or antenna Manufacturers This modification information is for reference and experimental use only CBTricks com claims no responsibility for the accuracy of this information and is not responsible for any damages that may occur from the use or misuse of this information By referencing and or using this modification information or any other information provided by CBTricks com the user agrees to NOT hold liable CBTricks com or any of it s members for any damages to person or property that may occur from the use or misuse of this information This modification information or any other information provided by CBTricks com is to be used at YOUR OWN RISK Thank you for any support you can give Copyright 2005 CBTricks com Cobra 200GTL DX Frequency Modification Package Introduction Read the complete mod package before starting NOTE Exercise a great deal of care with this mod Due to the placement size and close proximity of the surrounding traces If done wrong you could destroy the PCB and or the transistors If you have even the slightest

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