Question about Audio Players & Recorders
Problem is due to the microprocessor that runs the whole show, or more precisly a part of it that
remembers the volume level you had set when you removed the key, this memory is call EEPROM,
(electrically erasable programable read only ymemor), it can remember its data without power being applied,
this type of memory had a limited number of write cycles( number of times it can be re -written lets say between 20-50,000)
the early concert radios would only write to this memory when the radio was switched off, so that equates to 2-3 times a day in normal use, later radios have a software bug that writes(updates) this memory EVERY time you alter the volume level, you will quickly use up the 50,000 write cycles and the memory becomes defective, the symptoms are full volume that cannot be controlled, and it will be temperature sensitive often improving when it warms up.
Shame on you AUDI, this product was defective from manufacture but you dont honour any player out of warrenty, EEPROM has limited write cycles any engineer knows this, your software is defective.
the fix is to replace the microprocessor that has 1. new EEPROM onboard & 2. new software that doesnt weat it out!...the bad news is this fix is way more that the cost of a used radio off EBAY
Posted on Apr 25, 2009
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Posted on Jan 02, 2017
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