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Navman trackfish 6500 no display

My plotter / fishfinder which was working ok sudenly stopped displaying any information only get vertical lines across the screen. I use a through hull transducer which appears to be OK.

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Posted on Jan 02, 2017

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The most common cause for the loss of picture is a bad Horizontal Output Transistor (HOT). but I would suggest you get a detailed estimate. I think that this would cost you about $60.

The horizontal lines means the vertical amplifier or deflection system has failed. There are over 100 components in this section and any one of them, or most of them can be at fault. However, the most common failure is the VOT or vertical output transistor (which is often buried inside a chip).

The repair will cost around $250 plus or minus.


ONE: Do a hard reset (just to make sure there is nothing in the coding that is fowling things up). Unplug the power cord; leave it disconnected for 4 hours. That will restore everything to factory defaults when you power it back up.

TWO: Do the "whacking test" by banging your fist on a few strategic places to see if there are any cold solder joints or loose wires acting up inside the set.

If the above steps don't solve ur problem then I suggest you to go for a repair..


Posted on Feb 21, 2008


SOURCE: Navman 5500 tracker

Navman 5500 does not support C-MAP MAX maps.. only C-MAP NT+ maps.

Posted on May 02, 2008

  • 814 Answers

SOURCE: Insignia 27" lcd tv vertical colored lines across screen.

This television, appears to have had a failure in the mainboard. This is the board that controls the video functions and sound functions. The unit should be taken or sent in to a service center for testing and servicing. The service center will have all the correct service information to determine the problem for you. You can call Insignia customer support at this telephone number 1-877-467-4289. You can also got to the customer support website at Go to the support section and ask them for help on how to get service for your television. I hope this information helps you with your problem.

Posted on May 23, 2009

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SOURCE: Vertical lines on LCD screen after taking shot.

put the camera in the hearse and take to cemetery and then go buy a new one , you cant take all the money you made with you.

Posted on Jul 04, 2009

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SOURCE: i need a manual for Navman trackfish 6600

I need a manual for a Navman Trackfish 6600. Can i download it or where can i purchase it from?-

Posted on Apr 06, 2010

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