LG -P768 Service Manual page 137

Audio Block Diagram__P768
13. Audio Block Diagram_U2 (EU)
OMAP4430
(AP)
I2C1_SDA
I2C1_SCL
ABE_PDM_DL_DATA
Call
ABE_PDM_UL_DATA
Mp3 ABE_CLKS
ABE_PDM_LB_CLK
Recording
ABE_PDM_FRAME
HDQ_SIO(GPIO_127)
SYS_NRESPWRON
SYS_NIRQ2
UART2_CTS/
BT
UART2_RTS/
PlayBack
UART2_RX
UART2_TX
ABE_McBSP1_FSX
BT Call
ABE_McBSP1_DX
ABE_McBSP1_DR
ABE_McBSP1_CLKX
ABE_McBSP2_CLKX
ABE_McBSP2_DR
Call
ABE_McBSP2_DX
ABE_McBSP2_FSX
LGE Internal Use Only
I2C1_SDA
I2C1_SCL
PDM_DL_DATA
PDM_UL_DATA
ABE_CLKS
PDM_CLK
PDM_FRAME
AUD_PWRON
SYS_nRESPWRON
SYS_nIRQ2
BT / WiFi
BCM4330
BT_UART_TXD
BT_UART_RXD
FM_AOUT1
BT_UART_RXD
FM_AOUT2
BT_UART_TXD
BT_UART_CTS/
BT_UART_RTS_N
BT_UART_RTS
BT_UART_CTS_N
FM_ANT
BT_PCM_SYNC
AUD_FSYNC
BT_PCM_DOUT
AUD_IN
BT_PCM_DIN
AUD_OUT
BT_PCM_CLK
AUD_CLK
XMM6260 (CP)
IPC_PCM_CLK
I2S2_CLK0
IPC_PCM_DIN
I2S2_TX
IPC_PCM_DOUT
Call
I2S2_RX
IPC_PCM_SYNC
I2S2_WA0
TWL6040
SDA (Audio Codec)
DIFF, 32
SCL
DIFF, 8
PDMDN
PDMUP
PDMCLK
PDMCLKLB
PDMFRAME SE
AUDPWRON
NRESPWRON
NAUDINT
SE
AFML
SE
AFMR SE
CLK32KAUDIO
TWL6030
(PMIC)
CDC3S04
(Buffer IC)
- 137 - Copyright © 2012 LG Electronics. Inc. All right reserved.
6. BLOCK DIAGRAM
AUD_RCV_P
RECEIVER
EARP
AUD_RCV_N
옴
EARN
Invisible
AUD_SPK_P
(1207 2.7T WB 30mW)
HFRP1
옴
AUD_SPK_N
SPEAKER
HFRN1
(1511 FSD 0.5cc Module )
HS_MICBIAS
HBIAS
HS_MIC
HS_MICP
HS_MIC_GND
HS_MICN
EAR_L
HSL
SE
EAR_R
HSR
HOOK_ADC
ACCONN
EAR_SENSE
PLUGDET
Analog
MBIAS
Short Detect
MMICP
MIC1
MMICN
MBIAS
Analog
SMICP
MIC2
SMICN
Tunning
Circuit
VDDIO
SE : Single ended, DIFF : Differential
Only for training and service purposes
3.5Φ
FM