Question about Car Audio & Video
Schematics for your unit may not be available on line, but will try
to help you , if you need to work on component level.
The faults are typically in the output or driver stages. You'll also see a
lot of broken and shorted inductors.
Bad op-amps have been a problem as well as bad solder connections on
the small transformer in the audio section
When troubleshooting these Class D amplifiers you may need to
measure first the supply voltages on the Main Amplifiers.
It could be at least +25 and -25 ( sample only )
and the Op amp supply , can range to +12V and -12V but no more
than + 15V and -15V.
Here is tip , should you wish to troubleshoot more:
the unit and component may not be the same as yours but the
principle in troubleshooting is the same.
How to solder boards properly
How to use a multimeter
Please give us more details on your unit as to assist you further
And give you more possible solution to solve your problem.
Thanks in advance for choosing Fixya for assistance.
Hoping to have a response from you , as i prepare the possible
solution to your problem.
Posted on May 15, 2010
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Posted on Jan 02, 2017
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