Headset - Huawei U8185 Maintenance Manual

U8185
Maintenance Manual

9.4.6 Headset

Figure 9-29 Circuit schematic diagram
Analysis
The U8185 adopts a stereo headset design. The headset port is in the IO. The headset output
uses the amplifier of the PM8029.
Troubleshooting Process
Failure: No sound can be heard from the headset.
Solution: Replace the headset or the headset connector.
Issue 1.0 (2012-03-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Principles and Failure Analysis
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