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06-01-2020, 11:32 AM
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#4 |
 Drives: 2010 Yaris Join Date: Jan 2010
Location: Abilene
Posts: 131
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When ever I am diagnosing a no audio problem this is the first test that I make. If all voltages are wrong then I look at the IC output chip. If only one pair of outputs is wrong, then I look at the speaker or connections going to that speaker.
The fact that the factory radio works means little. Aftermarket radios have much higher outputs than there factory counterparts. Therefore its protection systems are much more sophisticated. No audio problems are easy to diagnose, the voltage test is the first step.
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The moving power of mathematical invention is not reasoning but imagination. Augustus de Morgan Truth does not change because it is, or is not, believed by a majority of the people. Giordano Bruno |
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