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Question
My panasonic SA-AK340 has stopped working. It displays F6I on the screen for 2 seconds and then shuts down. Please help.. thank you.
The model number you gave is for an HES system.
It is probably a power supply system failure, but, quite frankly it could be from many or several causes.
Another common cause of failure is shorted down audio output transistors in the power amplifier section.
You will need to have a tech troubleshoot using a voltmeter and checking the voltage operations throughout the unit to find out the exact cause of this.
I would guess the cost of repair to be in the $100 area plus or minus, depending on the final result of the diagnosis.
Hope this helps.
C
PS: Make sure, first off, the speaker wires do not have any shorts or breaks in the insulation and that you have reset the system. (You can reset it by unplugging the power cord for 1 hour before powering it up again).
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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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