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< 6-1-1-1_Codec_WCD9302 >
[ Layout ]
CODEC_RESET_N
Please isolate PMIC_AUDIO_REF_CLK trace with GND to prevent spur noise issue.
R6100
PMIC_AUDIO_REF_CLK
51
HPH_REF
MIC_IN1_P
MIC_IN3_N
MIC_IN1_N
EAR_MIC_JACK
MIC_IN2_N
MIC_IN2_N
MIC_IN1_N
MIC_IN3_P
MIC_IN3_N
R6104
DNI
R6105
20K
EAR_SENSE_JACK
Pin 18(GND) should have
a dedicated via to main GND.
MIC_BIAS_1
R6106
0
MIC_BIAS_2
C6605
VREG_L6_1V8
DNI
DGMS
SLIMBUS_CLK
SLIMBUS_DATA
CODEC_INT
C6928
0.1u
Note: The WCD9302 ingetrates IEC ESD protection inernally. (8 kV contact and 15 kV air discharge)
You may subtract the external ESD components (The pins of HPH L/R, EAR P/M and SPK L/R)
< 6-9-2_2MIC >
Main_MIC
MIC_BIAS_1
MIC_IN1_N
MIC_IN1_P
FB6920
1800
GND Close to MIC
SUB_MIC
MIC_BIAS_1
MIC_IN3_N
MIC_IN3_P
FB6921
1800
GND Close to MIC
LGE Internal Use Only
Rev_0.5
+VPWR
5
35
GND1
VDD_VBAT
33
19
MODE
VDD_DIG
8
TP6106
RESET_N
27
VDD_TX_RX
29
MCLK
28
GND3
44
MIC1_INP
39
26
MIC1_INM
EAROP
RCV_P
47
31
MIC2_INP
EAROM
RCV_N
53
MIC2_INM
38
16
MIC3_INP
HPH_L
FB6923
43
17
HPH_REF
MIC3_INM
HPH_REF
42
21
MIC4_INP
HPH_R
0
41
MIC4_INM
52
36
NC3
LINE_OUT1
46
32
NC1
LINE_OUT2
37
3
MBHC_HSDET
VDD_BUCK
U6100
FB6100
1000
22
13
CCOMP
BUCK_VSW
[ Layout ]
WCD9302
C6103
1u
Star route from C6104 to pin6 and pin12.
34
6
C6106
0.1u
LDO_HI_CAP
BUCK_VOUT1
12
BUCK_VOUT2
54
MIC_BIAS1
48
7
MIC_BIAS2
GND_BUCK
51
NC2
23
11
C6107
1u
GND_CFILT
-NCP_VNEG
10
2
VDD_IO
NCP_C1P
1
-NCP_C1M
25
Dedicate a ground island for the buck/NCP ground connections.
GND2
49
SPKR_DRVP
SPK_P
20
50
SLIMBUS_CLK/I2C_SCL
SPKR_DRVM
SPK_N
30
SLIMBUS_DATA/I2C_SDA
45
VDD_SPKDRV
14
I2S_WS
15
55
I2S_SCK
GND_SPKDRV_1
24
40
DMIC0_DATA/TX_I2S_SD0
GND_SPKDRV_2
9
DMIC0_CLK/RX_I2S_SD0
4
18
INTR
GND4
1. Pin 18, 23 and pin 40 should be connected to main GND directly.
2. Pin 55 should be connected to the GND side of C680 and directly
connected to the main GND with dedicated vias.
Rev_0.4
G4
6
PWR
5
G3
4
<4-9-1-2-1_5V_BOOST_TPS61256A_AUDIO_EXTERNAL>
G2
3
G1
2
OUT
1
MIC6920
DNI
(DGMS Guide)
MC-C00074-11 : For ESD Protection / Tuning points
When USE) TVS devices's Working Voltage must be greater than the Path voltage
DNI_131126 by JANG
CDC_BOOST_5V_EN
G4
6
PWR
5
G3
4
G2
3
G1
2
OUT
1
MIC6921
DNI
(DGMS Guide)
MC-C00074-11 : For ESD Protection / Tuning points
When USE) TVS devices's Working Voltage must be greater than the Path voltage
DNI_131126 by JANG
< 6-6-1_Earjack >
EAR_SENSE_JACK
HPH_L_OUT
HPH_R_OUT
C6610
56n
FM_ANT
EAR_MIC_JACK
VREG_L4_1V2
VREG_L6_1V8
GND Close to EarJack
HPH_REF
R6923
DNI
R6614
0
R6620
HPH_L_OUT
0
R6619
HPH_R_OUT
0
LINE_OUT_IRRC
LINE_OUT1
TP6100
TP6101
LINE_OUT2
Close to EARJACK
VREG_S4_2P1
C6926
C6927
1n
1n
HPH_REF
EAR_SENSE
R6924
+VPWR
0
MIC_BIAS_2
+VPWR
DNI
R6107
MIC_IN2_N
+5V0_SPK_BOOST
R6108
0
< 6-8-1_Receiver_Only > Rev_0.3
RCV_P
Rev_0.3
L4940
1.0mm
+VPWR
1u
C4940
1.0mm
10u
A3
A1
+5V0_SPK_BOOST
VIN
VOUT1
VALUE_CHANGE
A2
VOUT2
U4940
B3
EN
C4941
22u
- 158 -
Rev_0.4
FB6611
1800
FB6612
1800
VA6602
R6615
DNI
D6600 : Clampling 3.3V / 6pF
D6601-6603 : Clampling 12.5V / 15pF
D6604 : Clampling 25V / 0.35pF
U6600 BOM DNI
U6600
FSA5157L6X
R6422
DNI
R6621
1
6
S
B1
DNI
2
5
VCC
GND
3
4
A
B0
R6612
1K
R6613
1.2K
C6615
R6622
0
1n
C6606
DNI
Contact type
L6810
82n
L6811
RCV_N
82n
C6924 DNI
SPEAKER
L6700
ANT10003
TE_1_1H_C-CLIP
SPK_P
FEED
51n
ANT10004
TE_1_1H_C-CLIP
L6701
SPK_N
FEED
51n
C6700
C6701
1n
1n
D10007
D10008
Copyright © 2014 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
J6600
FB6613
1800
S/W_Detect
SPK_L
SPK_R
GND
MIC
FB6600
1800
CN6810
1
2
Only for training and service purposes
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Troubleshooting
