LG D337 - Page 153

- 153 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
110
29
38
47
56
+1V8_MTK_VIO
+3V0_TOUCH_VDD
+1V8_MTK_VIO
VBAT
TOUCH_I2C_SDA
TOUCH_I2C_SCL
CAM0_I2C_SCL
CAM0_I2C_SDA
TOUCH_RESET
FLASH_LED_OUT_P
FLASH_LED_OUT_P
PMIC_LED_C1
TOUCH_MAKER_ID
TOUCH_INT
LCD_BL_EN
FLASH_LED_EN
PMIC_LED_A
LCD_PWM
PMIC_LED_C2
FLASH_LTD
<4-4-3_LCD_Backlight_IC_RT8542>
<5.0" TOUCH>
Width : 0.3mm
0.3mm
LCD B/L Booster + Camera Flash
<9-8-3_Flash_LED>
U4400
B4
C1
A3A4
E3
D3
E2
E1
B3
B2
A1
D2
A2
E4
B1D4
D1
C4
C3
C2
TX
STROBE
VIN
BLED1
PWM FLED2
SWB
OUTF1
SCL
FLED1
OUTF2
SWF2
BLED2
OVP
SDA
GND3 GND1
SWF1
EN
GND2
LM3639
FB4401
600
1 2
LD9830
2
1
CN7200
VA7203
1u
C7200
VA7202 VA7200 VA7201
4.7K
R7200
VA7204
R7202
10K
1
C4401
1u
1
2
R4403 100K
1
R4404 100K
1
D4400
21
1u
L4401
C4400
10u
C4402 10u
VA7406
2
1
L4400
2
1
10U
2
R7201
10K
1
Rev_1.0