Serviced the power filter board as well. New caps installed. Although I couldn’t re-create the volume ...
[ I have another Audio head unit and 2 x Bose speaker AMP waiting to be serviced so I hope the owners won't get confused with this thread below. It is not related to their services and will start working on them from tomorrow. ] While I was carrying out the Eng Refresh, I received one audio head unit that the owner was having problem with imbalance between R & L channels and also cracking noise when ...