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Huawei Ascend Maintenance Manual

Huawei Ascend
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Y210 Mobile Phone
Maintenance Manual
9 Principles and Failure Analysis
Issue 1.0 (2012-11-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
59
Table 9-19 USIM card circuit
9.4.16 microSD Card
The microSD card connector's SD_DETECT pin is used to detect the insertion of a microSD
card. When a microSD card is inserted, the pin is grounded and its voltage is at a low level.
When no microSD is inserted, its voltage is at a high level. The U1402 is an electromagnetic
interference (EMI) and ESD protection component for the microSD card.

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Huawei Ascend Specifications

General IconGeneral
BrandHuawei
ModelAscend
CategoryCell Phone
LanguageEnglish

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