Question about Car Audio & Video
Hi ecpelito, Shorted speakers will do the same symptoms, you must dis-connect it from the unit and try if the error code will dis-appear...
"Protect" is an error code for short and overload. Once the power applied to the unit and shorts sensed by the processor the unit will automatically turned to "Protect" to avoid further damaged to other parts. Most shorts is in the supply voltage (B+, Vcc) line and most common caused was the sound output IC (mounted in heat sink). This part is responsible for amplifying the audio from the pre-amplifier stage and will feed to your speakers.
If you have a knowledge in disoldering and soldering technique, I would advice you to pull-out this part to the board and then try the unit. If the error code is gone then you must replaced this IC with a new one to back your unit in normal operation again.
Hope I helped you.
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Shorted speakers will do the same symptoms, you must dis-connect it from the unit and try if the error code will dis-appear...
Posted on May 28, 2011
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Posted on Jan 02, 2017
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