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6. BLOCK DIAGRAM
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6
LGE Internal Use
Only
PACT
30
QSC6270
Audio Subsystem
TI / TPA2055D3
■
Q3h Block Diagram
“Audio”
GPIO68
GPIO69
AUDIO I2C_ SDA
AUDIO I2C_ SCL
Ear-Mic.(3.5pi)
Speaker/
Receiver
EAROP
EARON
LINE_OUT_L_P
LINE_OUT_R_N
HPH_OUT_L_P
HPH_OUT_R_N
RCV_P
RCV_N
LINE_OUT_P
LINE_OUT_N
HPH_L
HPH_R
MIC2P
MIC2N
MIC_2P
MIC_2N
MIC1P
MIC1N
BT
(EUSY0418701)
BT_PCM_DOUT
BT_PCM_DIN
BT_PCM_CLK
BT_PCM_SYNC
BT_PCM_DIN
BT_PCM_DOUT
BT_PCM_CLK
BT_PCM_SYNC
SDA
SCL
IN3-
IN1-
IN2-
IN1+
IN2+
IN3+
OUT
HPL
530G Block Diagram “Audio”