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Question
I have a standard head unit for my 1995 peugeot 306.I have used a vol meter for 12v and gives me full power. But my head unit will not turn on???? do you have a possible solution???
It probably has two 12v lines. One is power to the unit all the time; constant 12v to keep the preset memories, clock, etc. alive.
The second 12v line is from the ignition to switch the unit on when the key goes ON.
Therefore, check both 12v lines and the ground; this will make sure the unit is getting all power it needs.
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Answers by Expert:
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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