Question about Car Audio & Video
This symptoms indicated that your sound output IC was already shorted. It heats up while on operation but the heat depends upon the volume and the load speakers(normal operation). If the unit gone to excessive heat even the volume is set to min, this was a clear indication that the fault came from the output IC (mounted in the heat sink. You may confirm it by opening the cover of the unit and touch the heat sink.
Once confirmed that the heat sink gone to excessive heat, replace the output IC and all electrolytic capacitor around this section, this will solve the issue.
Let me know if you need further assistance.
Hope I helped you.
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Posted on May 23, 2011
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Posted on Jan 02, 2017
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