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Hi I have a boat GPS older model NS45 GPS fishfinder shows reciver not picking up all wireing is ok and has been fine for years. Has sat unused for 6 months we have changed battery in reciever but still not picking up ?? Regards Greg

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  • greg417 May 10, 2010

    Have done the obviouse cleaned and checked corrosion

  • greg417 May 10, 2010

    Hi have checked all those things still no go

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ARe you sure of the model? I dont see anything on that.
What kind of battery does it take? Dont rate this answer please

Posted on May 10, 2010

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Hi, you see when any set, or unit is left without power going through it, it actually does it harm, things in storage should be powered up at least a few times a month, otherwise the capacitors will loose their "Form" and will not work correctly, and if left too long the unit simply becomes unservicable, also the moisture in the atmosphere, gets absorbed by osmosis, into "Other" compnentry, and this too causes failures, as the moisture, is usually driven out, by the heat of operation, not to mention, any other sort of corrosion, or perhaps also, flat cells, batteries, in a unit, also inductors etc. So as said, this makes a unit more or less unrepairable. if you are not lucky. You will have to get this looked at by a professional, in my professional opinion, I think you need to contact, the manufacturers website, and ask about repair, then send it for repair, BUT ask for a "Quote" for the repair before proceeding, that way, you can make an informed decision,as to repair or replace. As these days often, things can cost almost as much, if not more, that a new unit, with a warranty..

Posted on May 10, 2010

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If it has set for 6 months I suggest you take out the battery and be sure all connecting points are clean and free of any corrosion. Corrosion will occur quite rapidly from a dead battery. Clean your receiver very good too because if it was working prior to the 6 months it could be corrosion. Also I would check the new battery to be sure it is fully charged and producing power. Darrell S

Posted on May 10, 2010

  • Darrell Sorenson May 10, 2010

    A last resort is to get on google and google for the manufacturer. Then surf around in their web site looking for parts and service. Also ask for a manual. Most manufacturers have a list of local parts and repair shops authorized to work on their products. I would try that. Also ask about warranties if they have had problems with this same equipment in the past they may give you a new one or credit on a new one. Good Luck Darrell S

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