LG LG-D855 - < Earjack Detect IC > 12;4 Diagram

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Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
U6420
MAX14704
C2
C4
C3 C1
B3 A4
B4
A1
B2
B1
A3 A2
VCC
GND
RES
INT
MIC_IN
/INT
DETINDET
MIC_OUTSCL
SDA
CAP
0
R6615
C6706
10n
R6424
DNI
R6422
1M
U9401 FSA2269UMX
94
63
52
71
810
1B0
1A
1B1 S1
2B0 2A
2B1 S2
GND VCC
R6620
0
R6621
0
L6003
0
1000FB6611
1000FB6612
L6001 100n
J6610
S/W_Detect
SPK_L
SPK_R
MIC
GND
C6704
1n
C6705
1n
D11004
L6002
2.2n
C6703
33p
10K
R6421
D11005
D11006
D11007
1u
C6421
R6423
2.2K
C6420
1u
C9401 0.1u
+1V8_VREG_S3A
33pC6616 33pC6618 33pC6615
FB6610 1000
VA11004
C6702
DNI
COMMON_I2C_SCL
COMMON_I2C_SDA
+1V8_VREG_S3A +VPWR
EAR_MIC_JACK_OUT
HPH_R_OUT
HPH_L_OUT
EAR_KEY
EAR_MIC_JACK
EAR_MIC_JACK
HPH_AUD_SW
HPH_AUD_SW
EAR_SENSE
MSM_UART_TX
MSM_UART_RX
HPH_L
HPH_L
HPH_R
HPH_R
EAR_SENSE_JACK
EAR_SENSE_JACK
FM_ANT
HPH_REF
rev.B
12/24
Place Close to the EJ Conn.
w. Thru Via to Large GND
Place Close to the EJ Conn.
MC-C00075-13 : For ESD protection / tuning point
(DGMS Guide)
GND Close to EarJack
12/20
FOR EU_CE_EMC_CS
12/24
rev.B
< Earjack detect IC >
1/6
12/4
12/4
<Earjack_Debug_Port >
Rev_0.5
< 6-6-1_Earjack >
½Å±Ô 3.6T
DNI
REV10
REV10