Table of Contents
Advertisement
G700-U10 Smartphone
Maintenance Manual
Circuit Signals
Table 10-16 Circuit signals of this section
Signal
VDD18_PMU Headset insertion detection
EARBIAS
EINT8_HP
ACCDET
HPLP
HPRP
MICN1
MICP1
Issue 1.0 (2013-07-22)
Description
Headset microphone power supply
Interrupt detection signal
Key pressing detection
Headset left channel
Headset left channel
Negative electrode of the microphone
differential signal
Negative electrode of the microphone
differential signal
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
10 Circuit and Failure Analysis
Reference Value or
Waveform
1.8 V
1.9 V
Default: 1.5 V
Effective when at low level
Default: 1.5 V
Effective when at low level
Pulse signal
Pulse signal
Differential signal
Differential signal
77
Advertisement
Table of Contents
