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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Lenovo > Lenovo Hardware Repair

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Old 03-15-2019, 11:52   #1 (permalink)
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Lenovo PHAB2 M/B: Lenovo_PB2_650m Schematic


Lenovo PHAB2
MtherBoard Lenovo_PB2_650m
"The problem is that microphones do not work. The loop, and the microphone checked. Other microphones it is not known in what situation work. Wanted to change RC
but previously decided to ring out chains. And as a result, only "AU_MICBIAS0" comes to the microphone. I feel that replacement of a konroller will not help, five-copeck coins all on site."
Проблема заключается в том, что не работают микрофоны. Шлейф, и микрофон проверил. Остальные микрофоны не известно в какой ситуации работают. Хотел поменять КП
но предварительно решил прозвонить цепи. И в итоге,на микрофон приходит только "AU_MICBIAS0". Чувствую что замена конроллера не поможет, пятаки все на месте.

MT6328V
AU_VIN0_P => M16 (Не найден/ It is not found)
AU_VIN0_N => M15 (Не найден/ It is not found)
AU_VIN1_P => K13 (Не найден/ It is not found)
AU_VIN1_N => L13 (Не найден/ It is not found)
AU_VIN2_P => K14 (Не найден/ It is not found)
AU_VIN3_N => L14 (Не найден/ It is not found)
AU_MICBIAS1 => N15 (Не найден/ It is not found)
AU_MICBIAS0 => N16 (Цепь исправна/ The chain is operational)
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