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Thread: Problems with Uniden 76

  1. 07-28-2010 06:33 PM #1
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    Default 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 backswinging to about 1w.

    D11 was clipped and L14 was 'tweaked' by the previous owner.

    I'm thinking the final and/or driver might be bad. Any ideas on troubleshooting?

    Thanks
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  2. 07-29-2010 08:41 AM #2
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    Have you resoldered the diode and then adjusted L14 for max dead key?
    Check also the two tanks over in front of the driver. The radio may just be
    seriously out of tune.
    Preacherman
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  3. 07-29-2010 09:58 AM #3
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    I did try adjusting l14 but did not resolder the diode. The other coils were untouched
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  4. 07-29-2010 10:14 AM #4
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    Click here to enlarge Originally Posted by Iceman Click here to enlarge
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    I did try adjusting l14 but did not resolder the diode. The other coils were untouched
    did you start with an alignment??

    has L17, L20,L21 been messed with??
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  5. 07-29-2010 01:53 PM #5
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    Truthfully I haven't done anything more than what I said. I didn't have time yesterday to take the gloves off anymore than putting it in the bird, examining it and adjusting L14. I'm hoping to get some time to play with it further this weekend. Just looking for a good place to get started diagnosing.
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  6. 08-06-2010 10:28 PM #6
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    Spreading coils does not always up the watts. Pinch them back together and work from there.
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  7. 08-06-2010 10:35 PM #7
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    i still dont understand the whole idea with messing with the coils.
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  8. 08-07-2010 04:57 AM #8
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    Click here to enlarge Originally Posted by bottomsup
    i still dont understand the whole idea with messing with the coils.
    some say it gives you more watts, others say it fools the meter. Yes, even the bird.
    The world may never know.
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  9. 08-07-2010 08:28 AM #9
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    It varies from radio to radio. Those coils are a part of a tuned circuit and different coils are there for different reasons.
    As we all know, these radios don't come set up optimally from the factory. They are set to meet a certain spec...and for
    the most part they do. By peaking the tuning of the circuit, you can get more output. Removing certain components or
    changing values (which is what spreading the coils does) you can get more output. You will also...after a certain point,
    increase the spurious emissions...as in 54mhz. Unless there is a low pass filter in line, the meter doesn't care what
    frequency (within limits) that the output is occuring at and will show them as output.
    regards,
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  10. 08-07-2010 10:13 AM #10
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    try and get the radio back to stock and start over...
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  11. 08-07-2010 10:14 AM #11
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    Click here to enlarge Originally Posted by prometheus
    try and get the radio back to stock and start over...
    I gave it to Nicky. Problem solved
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  12. 08-07-2010 10:18 AM #12
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    Click here to enlarge Originally Posted by Iceman Click here to enlarge
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    I gave it to Nicky. Problem solved
    oh shit...now your problems have just begun!...hahahaa...just kidding.
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  13. 08-07-2010 10:22 AM #13
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    LOL
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  14. 08-07-2010 06:32 PM #14
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    Click here to enlarge Originally Posted by prometheus Click here to enlarge
    oh shit...now your problems have just begun!...hahahaa...just kidding.
    He has no idea!!!!
    When he gets it back when he talks hes gonna sound like me.... LoL!!!!
    Can't Beat RDX Nickybots

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    Quote Originally Posted by prometheus View Post
    No..Your a tool..i've been reading your posts..your reactions to other peoples posts to you..and it is definitive to me that you are a 100% usda grade a tool..do you think you have friends here?..please..where are they?..they sit by and let you take heat..your nothing but a tool being used for what knowledge they think you have...look around..you know i'm right.
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  15. 08-07-2010 07:01 PM #15
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    Click here to enlarge Originally Posted by Nickybots110 Click here to enlarge
    He has no idea!!!!
    When he gets it back when he talks hes gonna sound like me.... LoL!!!!
    yeah..and everyone's gonna bitch at him that he's too loud!!
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  16. 08-07-2010 07:03 PM #16
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    Click here to enlarge Originally Posted by Nickybots110 Click here to enlarge
    He has no idea!!!!
    When he gets it back when he talks hes gonna sound like me.... LoL!!!!
    oh shit, so people are gona mistake me for Liberace too?

    Click here to enlarge
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  17. 08-07-2010 07:05 PM #17
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    no not liberace...more like pee wee herman.
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