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U8185
Maintenance Manual
Figure 9-37 AR6005's internal structure
Troubleshooting Process
Failure: No Wi-Fi signals are received.
Table 9-9 Circuit diagram signal summary
Signal
ANT A/ANT B/
ANTC/ANTD/
ANTE
BIAS_REF
RF2INN/RF2INP
RF2OUTN/RF2OUTP
XPABIAS5
GPIO
Issue 1.0 (2012-03-23)
Description
RF's front end control signal
Shared antenna switch control
signal
Internal analog bias reference
2.4 GHz input
2.4 GHz output
External PA bias voltage
GPIO interface
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Principles and Failure Analysis
Reference
Measurement
or Wave Form
74
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