Asus ZS551KL Manual de solución de problemas - Página 18
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931、932、907、908、994 MIC Fail - BMMI
There are three MICs on the device, including on the SUB board
and also main board
Board_Mic_FREQ Fail
1. Check the appearance of all MIC for wrong polarity, shift, and solder overflow.
Besides, also check surrounding components.
2. If all MIC appearance are normal, check the MIC through the hole using a
microscope to check any foreign matters or cracks on the film for
Board_Mic_FREQ
3. If Board_Mic_FREQ PASS but
need to be tuned.
AU2701(2nd Mic)、AU2704(3rd Mic).
or
Board_Mic_Volt Fail
fail.
Board_Mic_Volt
AU3401(Main Mic),
These error code means
Fail, the fixture and equipment