Audio And Sound - LG -P940 Service Manual

3.10 Audio and sound

3.10.1 Overview of Audio path
OMAP
I2C1_SDA I2C1 SDA
4430
I2C1_SCL
ABE_PDM_DL_DATA
ABE_PDM_UL_DATA
ABE_CLKS
ABE_PDM_LB_CLK
ABE_PDM_FRAME
HDQ_SIO
SYS_NRESPWRON
SYS NIRQ2 SYS_NIRQ2
ABE_McBSP3_FSX
ABE_McBSP3_DX
ABE McBSP3 CLKX ABE_McBSP3_CLKX
ABE_McBSP3_DR
ABE_McBSP1_FSX
ABE_McBSP1_DX
ABE_McBSP1_DR
ABE M BSP1 CLKX ABE_McBSP1_CLKX
UART2_RTS/
UART2_CTS/
UART2_RX
UART2_TX
DPM_EMU10 DPM EMU10
ABE_McBSP2_CLKX
ABE_McBSP2_DR
ABE M BSP2 DX ABE_McBSP2_DX
ABE_McBSP2_FSX
LGE Internal Use Only
I2C1_SDA I2C1 SDA
I2C1_SCL
PDM_DL_DATA
PDM_UL_DATA
ABE_CLKS
PDM_CLK PDM CLK
PDM_FRAME
AUD_PWRON
SYS_nRESPWRON
SYS_nIRQ2
BT / WiFi / FM
FM_AUDIO_R
FM_I2S_FSYNC
FM_I2S_FSYNC
FM_AUDIO_L
FM_I2S_DO
FM_I2S_DI
FM_I2S_CLK
FM I2S CLK FM_I2S_CLK
FM_I2S_DI
FM_I2S_DO
FM_ANT
BT_PCM_SYNC
PCM_AUD_FSYNC
BT_PCM_DOUT
PCM_AUD_IN
BT_PCM_DIN
PCM_AUD_OUT
BT PCM CLK _ _
PCM_AUD_CLK PCM AUD CLK
BT_UART_RTS/
HCI_CTS
BT_UART_CTS/
HCI_RTS
BT_UART_RXD
HCI_TX
BT_UART_TXD
HCI_RX
EAR_SENSE
XMM6260
IPC_I2S_CLK
I2S2_CLK0
IPC_I2S_DOUT
I2S2_TX
IPC_I2S_DIN _ _
I2S2 RX I2S2_RX
IPC_I2S_SYNC
I2S2_WA0
Figure. Block diagram of Audio & Sound path
Figure. Block diagram of Audio & Sound path
AUD_SPK_P
HFRP1
TWL6040 TWL6040
AUD SPK N AUD_SPK_N
SDA
HFRN1
(Audio Codec)
SCL
HFRP2
PDMDN
HFRN2
PDMUP
PDMCLK
AUD_RCV_P AUD RCV P
PDMCLKLB
EARP
AUD_RCV_N
PDMFRAME EARN
AUDPWRON
NRESPWRON
NAUDINT NAUDINT
HBIAS HBIAS
HS_MIC
HSL
AFML
HSR
AFMR
ACCONN
MBIAS
MMICP
MMICN
SBIAS
SMICP
SMICN SMICN
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3. TECHNICAL BRIEF
SPK
RCV
HS MICBIAS _
3.5
HS_MIC
EAR_L
EAR_R
HOOK_ADC
Analog
MIC1
Analog
MIC2
EAR_SENSE
FM_ANT
Only for training and service purposes