LG D337 - Page 155

- 155 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
FB6920 1800
1 2
FEED
ANT6200
MBV62562001
1
FB6603 1800
1
2
FB6602 1800
1
2
1800FB6601
1 2
FB6600 1800
21
FEED
MBV62562001
ANT6201
1
S/W_Detect
SPK_L
SPK_R
MIC
GND
J6600
4
5
3
1
2
VA6923
2
1
VA6924
2
1
R6610 DNI
21
V+
NO2
NO1
COM2
COM1
IN2
IN1
NC2
NC1
GND
U6201
DG2735A
6
5
7
4
8
3
9
2
10
1
C6930 2.2u
1
2
MIC_BIAS_2
R6926
1.5K
2
1
R6603
0
21
D6600
2
1
VA6600
2
1
VA6603
2
1
VA6602
2
1
FB6201 220
1 2
+1V8_MTK_VIO
D6601
2
1
FB6200 220
1 2
DNIR6608
21
R6609 0
21
R6611 0
21
51nL6700
2
1
51nL6701
21
33pC6700
1
2
L6450 20n
2
1
20nL6451
2
1
VA6925
2
1
VA6926
2
1
C6811 33p
1
2
33pC6812
1
2
+2V8_MTK_VA
C6201 0.1u
1
2
+1V8_MTK_VIO
SCL
SDA
HPVDD
SPVDD
IN3- OUT+
OUT-
HPL
IN3+
HPR
CP
IN1+
-CN
IN1-
IN2+
IN2-
BIAS
CPVDD
-CPVSS
GND
TPA2058D3
U6200
D3C1E2A2
B4
A4
B3
E1
A3
D1
A1
C3
B1
E4
E3C4
D4D2
B2
C2
C6202 2.2u
1
2
4.7uC6200
1
2
C6203 0.1u
1
2
1n C6206
1
2
1n C6207
1
2
C6210
2.2u
12
C6213 2.2u
1
2
2.2uC6212
1
2
2.2uC6211
1
2
1u
C6924
1
2
R6925 0
2
1
VBAT
33pC6701
1
2
33pC6923
1
2
MIC_BIAS_1 MIC_BIAS_1
C6810 33p
1
2
CN6450
2
1
R6600
470K
21
R6601
47K
21
47n
C6208
47n
C6209
FB6921 1800
1
2
O
G1
G2
P
MIC69020
4
3
2
1
O
G1
G2
P
MIC6921
4
3
2
1
L6600 85n
2
1
DNIR6924
21
FB6203 60
12
FB6202 60
12
VA6922
FM_ANT
FM_RX_IN_N
COMMON_I2C_SDA
COMMON_I2C_SCL
EAR_SENSE_JACK
MIC_IN1_P
RCV_SPK_P
EAR_MIC_JACK
MIC_IN1_N
MIC_IN2_N
SPK_AMP_P
SPK_AMP_P
SPK_AMP_N
SPK_AMP_N
HPH_AMP_R
HPH_AMP_R
HS_GND
HS_GND
SPK_P
SPK_P
SPK_N
SPK_N
MIC_IN3_N
RCV_N
RCV_N
RCV_P
RCV_P
AUDIO_SEL
MIC_IN3_P
HPH_L
HPH_R
RCV_SPK_N
HOOK_DETECT
HPH_AMP_L
HPH_AMP_L
via to GND plane.
(DGMS Guide)
MC-C06162-1 : 1. Don't connect Positive of Tantal, TVS diode to Negative voltage if use
2. We recommend MLCC capacitor in this case.
Rev_0.4
< 6-2-2-2_Audio_Sub_System_TPA2058D3 >
< SPK_RCV_S/W >
MAIN_MIC
< 6-9-2_2MIC > Rev_0.4
GND Close to MIC
When USE) TVS devices's Working Voltage must be greater than the Path voltage
(DGMS Guide)
MC-C00074-11 : For ESD Protection / Tuning points
< 6-6-1_Earjack >
Close to 3.5pi ear-jack
< 6-7-1_Speaker >
Rev_0.4
MC-C04773-8 : For ESD Protection / Tuning points
When USE) TVS devices's Working Voltage must be greater than the Path voltage
(DGMS Guide)
MAIN GND
via to GND plane.
Rev_0.4< 6-8-2_ReceiverL >
MC-C00074-11 : For ESD Protection / Tuning points
(DGMS Guide)
When USE) TVS devices's Working Voltage must be greater than the Path voltage
GND Close to MIC
SUB_MIC
When USE) TVS devices's Working Voltage must be greater than the Path voltage
MC-C04773-8 : For ESD Protection / Tuning points
(DGMS Guide)
RCV
should apply capacitor under 50pF value for ESD protection with d-class amp
R6612
2
1
DNI
C6922
1
2
0.1U
VA6920
2
1
C6205
1
2
2.2U
C6204
1
2
2.2U
C6920
1
2
0.1uC6921
1
2
33p
D6920
2
1
D6922
2
1
C6601
1
2
4.7n
4.7n
2
1
C6602
C6603
1
2
1n
R6923
2
1
0
R6922
2
1
0
C6927
1
2
DNI
R6613
2
1
0
R6614
2
1
0
VA6921
2
1
D6921
2
1
R6927
2
1
2.2K
TOL=0.01
R6928
2
1
1K
TOL=0.01
C6928
1
2
33p
C6929
1
2
33p