LG -E400f Service Manual page 136

BACKLIGHT CHARGE PUMP
VBAT
VREG_MSME_1.8V
C503
10u B5
VBATCP
D3
VBAT
C514
470n
C2
VIO
C3
LCD_BL_I2C_SCL SCL
D4
LCD_BL_I2C_SDA
SDA
D5
LCD_PWM WPWMIN
LGE Internal Use Only
2.2u
C504
C5
VOUT WLED_PWR
E1
TP500
LED1 MLED[1]
D1
LED2 MLED[2]
D2
LED3 MLED[3]
C1
LED4 MLED[4]
B1
LED5 MLED[5]
U500
A1
LED6
A2
LED7
A3
LED8
B2
GND
E5
VREG_PROX_2.8V
LDO1O
E4
CAM_AVDD_2.8V
LDO2O
E3
CAM_DVDD_1.2V
LDO3O
E2
LDO4O CAM_IOVDD_1.8V
3M CAMERA
Must Check Pinmap!!
MIPI_CSI_CLKN P8 P4
8 4
MIPI_CSI_CLKP P7 P3
7 3
MIPI_CSI_DN P6 P2
6 2
MIPI_CSI_DP P5 P1
5 1
FL505
CAM_RESET_N
CAM_PWDN
3.2" QVGA LCD Connector
VREG_MSME_1.8V
WLED_PWR
CN500
1
2
LCD_PWM
3
LCD_MKR_ID
4
5
MLED[1]
C505 6
MLED[2]
7
MLED[3]
2.2u
8
MLED[4]
9
MLED[5]
10
11
12
13
R503 14
LCD_RESET_N
15pF
100 15
16
LCD_RS 17
INOUT_A4 INOUT_B4
4 6
LCD_CS 18
INOUT_A3 INOUT_B3
3 7
nOE2 19
INOUT_A2 INOUT_B2
VA500
2 8
20
nWE2 INOUT_A1 INOUT_B1
1 9
FL502
LCD_VSYNC_O
MAKER ID MAKER
HIGH
LOW
CAM_DVDD_1.2V
CAM_IOVDD_1.8V
CN501
1 24
CAM_AVDD_2.8V
2 23
CAM_MCLK
3 22
4 21
5 20
6 19
CAM_IOVDD_1.8V
7 18
8 17
9 16
10 15
11 14
CAM_I2C_SDA
12 13
CAM_I2C_SCL
C511 C512 C513
2.2u 2.2u
4.7u
- 136 -
Must Check Pinmap!!
VREG_MSME_1.8V
LCD Filter(EMI 100 ohm, 15pF)
VREG_LCD_2.8V
15pF
EBI2_DATA[0]
INOUT_A4 INOUT_B4
C501
4 6
EBI2_DATA[1]
INOUT_A3 INOUT_B3
1u
3 7
EBI2_DATA[2]
INOUT_A2 INOUT_B2
2 8
EBI2_DATA[3]
INOUT_A1 INOUT_B1
1 9
40
FL500
39
38
37
36
15pF
35
34
33
INOUT_A4 INOUT_B4 EBI2_DATA[4]
32 4 6
INOUT_A3 INOUT_B3 EBI2_DATA[5]
31 3 7
INOUT_A2 INOUT_B2 EBI2_DATA[6]
30 2 8
INOUT_A1 INOUT_B1 EBI2_DATA[7]
29 1 9
28 FL501
27
26
25
24
15pF
23
22
21
INOUT_A4 INOUT_B4 EBI2_DATA[8]
4 6
INOUT_A3 INOUT_B3 EBI2_DATA[9]
3 7
INOUT_A2 INOUT_B2 EBI2_DATA[10]
2 8
INOUT_A1 INOUT_B1 EBI2_DATA[11]
1 9
FL503
15pF
EBI2_DATA[12]
INOUT_A4 INOUT_B4
4 6
EBI2_DATA[13]
INOUT_A3 INOUT_B3
C510
3 7
EBI2_DATA[14]
INOUT_A2 INOUT_B2
1u
2 8
EBI2_DATA[15]
INOUT_A1 INOUT_B1
1 9
FL504
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7. CIRCUIT DIAGRAM
Only for training and service purposes