Question about Lowrance LCX-19C GPS Receiver

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Powerin up - screen goes blank after a few swconds -

Upon powering up, the first "LOWRANCE" screen comes on but only for about 2 or 3 seconds, than it appears as if the unit poweres down and is non responsive - the only way to get the unit to respond again is to cycly the batter switch to "off" than back to "on" -- when pushing the start button again, the unit starts the entire thing again - 2 or 3 seconds of the "LOWRANCE" screen and then blank -- have checked all electrical and fuse connections and everything checks out with power to the unit at the proper levels -- help parki

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  • Anonymous Apr 04, 2009

    Powers down after a few seconds be power remains on to back lite keys. Remove power to reset,but cycle repeats.

  • Anonymous Apr 08, 2009

    I have the identical problem with my unit. I just got off the phone with Lowrance and was told that they no longer service this unit. they offered a rebate check on other models. Personnaly, I'll recheck power supply and down load updates. If that does not work it's going in the garbage and I'll purchase a unit from another manufacturer. I've read to many of the same comments online from many frustraited Lowrance owners. This will be my last Lowrance.

  • djbueh Apr 19, 2009

    Main Lowrance screen then it tries to repower but never finds a gps coordinates.

  • jmsdrnz Apr 29, 2009

    I have the same problem, Lowrance cutomer service is useless.No one seems to repair these units. I will never buy from them again. Who ever heard of a company that does not repair their own **** product. They will offer you a coupon for another one of their **** products, How insulting......DON"T BUY FROM THEM!!!!!!!

  • Anonymous Mar 23, 2014

    GPS11 plus. When red button pressed, welcome screen appears then dies.



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Throw your hard earned money in the garbage and buy from another company, Lowrance is good at taking your money, but when its time for repair they no longer repair or service these units. They insult you buy offering a coupon for another one of their crappy products.Why would I buy another one of your products? They must think that the fishing community is stupid.

Posted on Apr 29, 2009

  • Jeff Wojcik
    Jeff Wojcik Jul 20, 2010

    The problem is the T3 Transformer. The primary windings short out and when the sonar kicks in it goes over current and resets or blows a fuse. You will need to rewind the transformer as this is a custome peice but it is very easy as transformers go. The primary is 46 truns of 24awg and the secondary is 164 turns of 26awg, pay attention to the winding direstion as it may be phase sensitive. Be sure to use mylar tape between the primary and secondary.


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Had same problem. the cause was corrosion in the boat wiring. the power wire was corroded 95%thru. there was enough voltage to start the unit but when the sounder kicks in the voltage dropped below minimum and the unit shut off. took a LOOOONG time to find.

Posted on Jan 10, 2008


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