Quote:
Originally Posted by grubby mits
Anyone with electronics expertise out there able to guide me as to visual recognition of the component I am looking for?
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Yes, I am such a person
I have repaired radios and other devices with failling memories
In the Automotive world they do NOT use little batteries to retain settings when power is off
They use non volatile flash memory, just like your mobile phone does, but much smaller
On devices I have repaired in the past the memory chip was easy to replace and cost all of 1.50 EUR.
BUT you have to have a memory chip reader to read out the contents of the old flash to then store in the new flash.
Even way back then, 15 years ago, I used a friends workshop where he had such tools
Given that a new nav drive is only around 250 EUR on eBay, you may be better with a 2nd hand drive
Be aware of the 2nd hand issues:
1. You have no clue as to how good or bad the 2nd hand drive is
2. You need to ensure the replacement has the identical part number to yours - vitally important
3. The part number should be enough but you need to ensure it is the same type of nav
Otherwise I have a friend in Germany who repairs nav drives, he is an professional electronics guy with his own business. He has all the kit, but he would have to say whether he'll accept it for looking at or not.