Audio - LG -D120 Service Manual

3.8 Audio

3.8.1 Overview
4-5.HW Block Diagram : Audio
Audio Block Diagram
MT6572M
GPIO31
AUD_CLK_MOSI/GPIO_4
AUD_DAT_MISO/GPIO_5
AUD_DAT_MOSI/GPIO_6 AUD DAT MOSI/GPIO 6
Headset
LGE Internal Use Only
AUDIO_SEL
MT6323
AUDIO CLK AUDIO_CLK
AUD_CLK
AUD_MISO
AUDIO_DATA_MISO
AUD MOSI AUD_MOSI
AUDIO_DATA_MOSI
MIC_BIAS_2
AU_MICBIAS1
MIC IN2 P MIC_IN2_P
AU_VIN1_P
AU_VIN1_N
MIC_IN2_N
ACCDET
HOOK_DETECT
+2V8_MTK_VA
VA
Headphone amp
HPH L HPH_L
AU_HPL AU HPL
AU_HPR
HPH_R
VBAT
VBAT_SPK
SPK_P
SPK_N SPK N
MIC_BIAS_1
AU_MICBIAS0
MIC_IN1_P
AU_VIN0_P
AU_VIN0_N
MIC_IN1_N
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3. TROUBLE SHOOTING
HPH_AMP_L
HPH_AMP_R
TPA6136
SPK/RCV
Main MIC
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