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  1. L

    In need ot a Sanyo 2sc2999

    Thanks for the link, they have the part I need for $.34 each. Thats the good news, the bad is they want $8.95 to ship it to me. I think I might as well buy one off of Ebay for the $4.95 and that includes shipping. The reason I am asking this question is that I did get a RX RF upgrade kit...
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    In need ot a Sanyo 2sc2999

    Need to buy a REAL 2sc2999. I know I can find one on Ebay but that there is a lot of stuff coming out of China that may be marked with the part number but it is not the real thing. Does anyone have a source for a real transistor? I have checked with Allied, Jameco and Mouser elect and they...
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    Cobra 148 GTL mod

    I do have a solder sucker, but I have found in my experience that just clipping the lead and leaving the component in place will allow you to undo the modifications by simply soldering the clipped lead back together. You don't loose or damage the part and it is a simple unsolder any jumpers and...
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    Cobra 148 GTL mod

    I have noticed that there are others that are interested in the unlocking of the clarifier. As TOLL FREE has advised me on my 148 GTL side mike radio. I have hopefully made the modification easier by moving the RX voltage wire to a constant 8V supply and clipping and jumping 3 components...
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    Digital scanners

    Yes I agree on the price being a guide. But sometimes you find a really good price on a used scanner but you dont know if it is digital. Larry
  6. L

    Digital scanners

    Looking to buy a scanner. There are alot of them out there but I am looking for a digital scanner not a analog. I am getting flustrated trying to find a scanner for sale then try to find out if it is a digital. Is there a GOLDEN list of scanners by manufacture and model that tell me if...
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    Cobra 148 GTL mod

    I dont think it is the amount of slide that counts, its how you use it. As stated sometime you play the game of catch me when you over use the slide too much. Back when I used to talk skip on channel 16, you could hear a dozen stations all on top of each other . With a slide I would just...
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    Cobra 148 GTL mod

    I found this link for the service manual of the Texas Ranger TR-296GK/DX http://www.rangerusa.com/pdf/man296.pdf This unit is a Ranger, (Malaysia) renamed as a Cobra 148 I did a search for my PCB model (EPT014813Z) and this popped up. Looking at the service manual the PCB layout is marked...
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    Cobra 148 GTL mod

    You were correct R44 is tied to RX 8V, and that is where I tied it into. By changing the value to 8.2K and tie it to the same spot I tied VR402 to (8V constant) will effect the voltage and I did move the orange wire on VR402 to the + side of C84 (8v all the time). R175 was a 2.2K resistor...
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    Cobra 148 GTL mod

    Ok, TOLL FREE, I made the mods and found that I slid back one full channel (18 is now 19). Also the voltage swing on the end of R44 (800 ohm) is nil when I adjust VR402 (8.34V). Looking at some of the other variations of modifications suggest shorting out R174 (grounding one side of...
  11. L

    Cobra 148 GTL mod

    So the way I read it is to do the following: * replace R44 with a 800 ohm * cut D52 * jump R174 * jump D51 * remove R175 * tie one side of vr402 to 8.0V (IC1 pin 9, or C84 + side) Simple....:biggrin: Again, thanks By the way, what are the best SSB channels??? Back in the day...
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    Cobra 148 GTL mod

    Thanks Toll Free for the info. One of the modifications you mentioned confuses me. Your adding a 800 Ohm resistor from +8V to the junction of R44, R174 and D51. The other end of R44 is connected to VR402 (clarifier) The wire coming from the junction of VR402 and R44 is also going to a +8.0V...
  13. L

    Cobra 148 GTL mod

    Do both the rec and transmit freq's slide or just the rec? Larry
  14. L

    Cobra 148 GTL mod

    I am getting back into the CB world again. Back in the 70's I did alot of playing around with a GE AM/SSB unit with a 50w Polamar amp. The GE radio is gone but I still have the amp. I now have a Cobra 148 GTL sside 5 pin mike. I have made the modification to the receiver for increase rf...