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Today at Atelier Kaz - Private NSX Enthusiast, ex-Honda R&D engineer with F1, Indy/CART background

Audio Head Unit, A/C CCU Board service 02

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Quick bench check before testing it on my NSX.








Couldn’t do much with the SEEK button.
It works but doesn’t have the clicking feeling.


So far, looking good.







The owner told me that his climate control only works for about 5min and then nothing.


So, he took out the CCU and sent me some photo.
Initially, he didn’t spot anything but when I received the photo, it was clear that the board was in serious condition.

Similar story from many owners.
When they looked at the board, they tend to say 'my board looked far better than the ones seen on your blog' or
even sometimes I was told 'can’t see any leakage'.

Yet, when I received the board or saw the photo, I could immediately tell so many damages were already done…..







And this board was the same.
Even one of the lead of the capacitor was completely dissolved and just causing open circuit….










Some of the area looked as if there was some sort of explosion happened.






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