LG -D120 Service Manual page 130

[D120] HW Block Diagram : Audio
MT6572M
GPIO31
AUDIO_CLK AUDIO CLK
AUDIO_DATA_MISO
AUDIO_DATA_MOSI
MIC_BIAS_2
MIC_IN2_P MIC IN2 P
MIC_IN2_N
HOOK_DETECT
LGE Internal Use Only
AUDIO_SEL
MT6323
AU_MICBIAS1
AU_MICBIAS0
AU_VIN1_P
AU_VIN1_N
ACCDET
+2V8_MTK_VA
VA
Headphone amp
HPH_L HPH L
AU_HPL AU HPL
AU_HPR
HPH_R
VBAT
VBAT_SPK
MIC_BIAS_1
MIC_IN1_P
AU_VIN0_P
AU_VIN0_N
MIC_IN1_N
- 130 - Copyright © 2014 LG Electronics. Inc. All right reserved.
5. BLOCK DIAGRAM
HPH_AMP_L
HPH_AMP_R
TPA6136
SPK/RCV
Only for training and service purposes