Interface - Huawei Y511-U030 Repair Manual

XXXX The basic version Repair Manual

9.4.8 Interface


Circuit Principle Diagram

Circuit analysis:
IO connector using the 5PIN Micro-USB connector, mainly involving the functions including
USB download, USB data transmission. USB data transmission with a standard definition of USB

Fault analysis and treatment process:
IO connector weld, welding, even damage will result in not charging, unable to download. The
repair can be related chapters reference before
2013-09-25
V1.0
华为机密，未经许可不得扩散
internal public
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