Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer

Replaced the capacitors, quick check and then applied conformal coating on both boards.

Normally, I test the refurbished AMP with MP3 player for more than 2Hrs but today, I must put everything back in place as I already booked this NSX in for the alignment service tomorrow.

So, tested them ...

Tags: amp, bose

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Audio

As reported earlier, the owner of the CCU board-B sent one of the Bose speaker AMP as well for the refurbishment.


He reported that there was no sound from the centre speaker and possibly not from the passenger foot well bass but not 100% sure.

So, opened the speaker box and first tested the AMP before working on it.

Although the sound was a little ...

Tags: amp, bose

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Audio

After applying the thermal compound and conformal coating, the front AMPs were ready to be installed back to the speaker box.


Now they are back on the car and being tested together with the aftermarket woofers and tweeters.

One tip for you.

Whenever you have removed the door card, ...

Tags: amp, bose

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Audio

All three AMPs are out of the speaker box now.


The basic design of Bose AMP is the same for other car models including the ones from other automotive manufactures and Bose made several improvements over the years to share the same circuit board design with others.


They just change the equalisation code by using different capacitors, IC, filter, ...

Tags: amp, bose

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Audio

Removing the door speaker boxes.

While the owner was at my place, showed him that lots of door card fixing tabs were already broken or even missing from its place.


The owner requested me to leave them as they were for the time being so not going to be repaired.

Noticed that extra holes were ...

Tags: amp, bose

Categories

Audio