Dear Brother,
It is very easy. It is "USB type B" cable.
Search with this links
"https://www.google.com.bd/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=USB+type+B"
"https://www.google.com.bd/search?q=usb+type+b+connector&newwindow=1&espv=2&biw=1280&bih=899&tbm=isch&tbo=u&source=univ&sa=X&sqi=2&ved=0CCUQ7AlqFQoTCM6Hw_2YlMkCFYoZjgod3eEN3w"
check all the pictures...............
Hope you problem is solved now.
Can you tell me what is your TV navigation brand/model? Is it NHZN W59G ?
I have same type.
Anyway, thanks,
MMZunaid