LG -E450 Service Manual page 205

Audio SUB SYSTEM
+2V5_AVDD1_MTK
RCV_N
RCV_SPK_N
C406
1 U400 7
VCC 2B0 SPK_N
1u I2C_SENSOR_SDA
2 6
1B1 GND
I2C_SENSOR_SCL
RCV_P
RCV_SPK_P
AUDIO_SEL
SPK_P
PROXIMITY SENSOR
REV.1.0
+1V8_VIO_MTK
+3V0_SENSORS_MTK
+3V0_PROX_MTK
U406 APDS-9130-200
1 8
I2C_SENSOR_SDA SDA VDD
2 7
PROX_INT INT SCL
3 6
LDR GND
4 5
LEDK LEDA
9
NC
C419
EAN62646301
2.2u
6 AXIS SENSOR
+1V8_VIO_MTK
+3V0_SENSORS_MTK
I2C_COMMON_SDA
1 11
SDO SCK I2C_COMMON_SCL
3AXIS_INT 2 10
INT1 U403 VDDIO
3 9
INT2 GND3
4 8
COMPASS_DRDY
DRDY VDD
C411 C409
100n 100n
LGE Internal Use Only
VBATT
+1V8_VIO_MTK
C400 C401
2.2u 100n
C402 2.2u
MAIN GND
FB400 120
C4 E3
SPK_OUT_P
IN3- RCV CALL OUT+
C3 E4
IN3+ OUT- SPK_OUT_N
FB401 120
C407 2.2u
A3 B1
HPH_L IN1+ HPL EAR_L
C408 2.2u
B3
HPH_R IN1- U401
A1
HPR EAR_R
A4
C410 39n
SPK_P IN2+
C412 39n B4 D1
SPK_N
IN2- CP
C413
2.2u
B2 E1
SDA CN
C2
SCL
C416 C417 C418
2.2u 2.2u 2.2u
HS_GND
0
R403
0ohm SHORT PAD : SAFP0000401 (0603)
0ohm OPEN PAD : SAFO0000401 (0603)
MAIN GND MAIN GND
RCV
L400 56n
RCV_P
L401
56n
RCV_N
I2C_SENSOR_SCL
D401 D402
C467
2.2u
4.0" MIPI LCD
width>0.35m
+1V8_LCD_VIO_MTK
LEDA
LED_C1
+2V8_LCD_VCI_MTK
LGD : LOW LED_C2
LCD_MAKER_ID
VA408
DNI_VARISTER_1005
LCD_PWM
C431 C473 C432 C474
2.2u 39p 2.2u 39p LCD_RESET_N
LCD_VSYNC
Mini ABB + LDO
VBATT
VCHG_LDO_4V9
C463 C464
1u
C454
1u 3
C455
VIN
25 23
VBAT1 VBUS1
1u 26 24
VBAT2 VBUS2
27 22
EXPDET D-
U402 21
D+
11 20
USB1DM ID
12 19
USB1DP R2_2K
13 18
USB2DM CLDO
14
USB2DP
15
AUDL
16
AUDR
17
MIC
32
DSS --> OPEN/PD : USB DSS
PU : UART
C450
10n
+1V8_VIO_MTK
I2C_SENSOR_SDA
I2C_SENSOR_SCL
MINIABB_INT
Sub Mic
G4
6
CN401 G3
5
VMIC VDD
1
4
G2
3
MIC2_N G1
2
FB405 2
MIC2_P OUT
0 1
MIC400
VA410 C421 VA401
AMR-WB, Wire10
33p
.
ECO ECO
CN403
24 1
23 2
22 3
21 4
FL404
20 5 1 8
P1 P8 LCD_MIPI_DATA0_N
2 7
3 2 LCD_MIPI_CLK_N LCD_MIPI_DATA0_P
P3 P2 P2 P7
3 6
19 6 4 1 LCD_MIPI_DATA1_N
P4 P1 LCD_MIPI_CLK_P P3 P6
4 5
LCD_MIPI_DATA1_P
P4 P5
18 7
17 8
FL403
16 9
15 10
14 11
13 12
- 205 -
RGB
C469
0.47u
C4
VBATT VDD
D1
I2C_COMMON_SCL SCL
C471 E1
I2C_COMMON_SDA SDA
1u E2
RGB_EN EN
D3 U701
NFCCLK CLK_32K
R473 0 E3
INT
C465 C466 E4
TRIG
1u 1u 1u VBUS_CHG_IN
C2
ADDR_SEL0
B2
ADDR_SEL1
.
C451
1u
LCD B/L Booster + Camera Flash
VBATT
L402
D400
10u
L403
C428
1u
10u
C4 E2
VIN OVP
A2
OUTF1
C1 B2
LCD_BL_EN EN OUTF2
D2
U404
I2C_COMMON_SCL SCL
D3
I2C_COMMON_SDA
SDA Width : 0.3mm
C3 D1
FLASH_EN STROBE BLED1
Width : 0.3mm
E1
BLED2
C2
FLASH_LTD TX
A1
FLED1
D4 B1
LCD_PWM PWM FLED2
5M MIPI CAMERA
+1V8_CAM_DVDD
+2V8_CAM_VCM
+1V8_CAM_VIO
+2V8_CAM_AVDD
CN400
24 1
23 2
R404
CAM_MCLK
10
22 3
21 4
C420
22p
20 5
19 6
18 7
17 8
16 9
15 10
N.C
14 11
I2C_COMMON_SDA
13 12
I2C_COMMON_SCL
C445 C444 C456 C457 C460 C459
DNI DNI 2.2u 2.2u 2.2u 2.2u
7. CIRCUIT DIAGRAM
C470
0.47u
A2
VOUT
C1
R LED_R C472
B1
G LED_G 1u
A1
B LED_B
D2
GPO
Width : 0.3mm
LEDA
C429
1u
C468 10u
LED_C1
LED_C2
CN404
1
HJ-BCT-02Y
CN405
1
HJ-BCT-02Y
P1 P4 CAM_CLK_N
1 4
P2 P3 CAM_CLK_P
2 3
FL400
FL401
1 8
P1 P8 CAM_DATA0_N
2 7
CAM_DATA0_P
P2 P7
3 6
P3 P6 CAM_DATA1_N
4 5
P4 P5 CAM_DATA1_P
+2V8_CAM_VCM
CAM_RESET_N
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