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Audio Systems/Car Audio--Speaker problem

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Question
I have a 1997 VW Jetta, and I have a speaker problem, but ONLY when I try to
play a CD.  When I play the radio, all speakers, front and back, work fine.  But
when I play a CD, the speakers on the left hand side of the car, front and
back, produce a static noise, almost as if the speakers have blown out.  Is this
a wiring problem, or do I need to replace the speakers and/or the whole
audio system?  If it is wiring, will places like Circuit City make repairs?  Thank
you!

Answer
Yes, it needs repair attention. It may be an easier solution and less expensive to install a new head end unit, however.  I estimate the problem is in the cd player section and specifically with the audio decoding of the cd digital signal.  This is done by the DAC (Digital to Analog Converter) and is separate from all the other audio processing in the radio unit.  So, you should either have the DAC replaced or the entire head unit replaced.

Some CC or BB stores have good repair shops. Often the best is a local install/repair shop in the neighborhood who has lots of hands-on experience.

Hope this helps. Let me know if there is more to the story.

C

Audio Systems

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Cleggsan

Expertise

Audio Design Engineer; systems, loudspeakers, cd/dvd players, etc. I am knowledgeable in all high end audio equipment and installations. MAKE SURE YOU GIVE A MAKE AND MODEL NUMBER AND CAR IF IT IS AN AUTO QUESTION. Note: I am getting some who ask good questions that take a lot of time to research but then the questioner fails to read the answer. Please don't ask questions unless you are seriously looking for an answer. If you find an answer to your question otherwise then let me know with your reply. Thank you.

Experience

Have been associated with audio design, standards, testing and component systems for over 40 years.

Organizations
Life Fellow Member of Audio Engineering Society Life Senior Member of Institute of Electronic and Electrical Engineers

Publications
Review technical manuscripts for IEEE Spectrum Write occasionally for high-end audio publications

Education/Credentials
BSEE/MSCS/MBA

Past/Present Clients
Past Employee/advisor to several well known audio products manufacturers

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