Huawei U9500 Maintenance Manual page 77

U9500 Maintenance Guide
Figure 9-49 Possible cause 2
Handling Process
Figure 9-50 shows the process for handling the speaker noise problem.
Issue 1.2 (2012-6-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Troubleshooting
The speaker is improperly
installed or smudged by
foreign matters.
72