LG HB620 Service Manual page 161

7. CIRCUIT DIAGRAM
1 1 3 3
A A
RB521S-30
D?
CN101
G1 G2
1 70
2 69
+VPWR
3 68
4 67
TCC_2.7V_EHI_LCD
5 66
6 65
SPK_RCV+
7 64
SPK_RCV-
8 63
9 62
B B C306 C307 V_CAM_RESET_N
10 61
22p 22p M_CAM_RESET_N
11 60
KEY_ROW[3]
12 59
KEY_COL[1]
13 58
KEY_COL[2]
14 57
KEY_COL[3]
15 56
16 55
17 54
LCD_BL_CTRL
18 53
CAM_DUAL_LDO_EN
19 52
LCD_MAKER_ID
20 51
21 50
LCD_IF_MODE_0
22 49
23 48
FILTER_MM_LCD_DATA[0]
24 47
FILTER_MM_LCD_DATA[1]
25 46
FILTER_MM_LCD_DATA[2]
26 45
FILTER_MM_LCD_DATA[3]
27 44
FILTER_MM_LCD_DATA[4]
28 43
FILTER_MM_LCD_DATA[5]
29 42
FILTER_MM_LCD_DATA[6]
C C
30 41
FILTER_MM_LCD_DATA[7]
31 40
MM_LCD_RD_N
32 39
FILTER_MM_LCD_ADS_N
33 38
MM_LCD_VSYNC
34 37
FILTER_LCD_RESET_N
35 36
G3 G4
MAIN
D D
MAIN_LED1
E E
MAIN_LED4
WLED_PWR
FILTER_LCD_RESET_N
FILTER_MM_LCD_DATA[15]
FILTER_MM_LCD_DATA[13]
FILTER_MM_LCD_DATA[11]
FILTER_MM_LCD_DATA[9]
FILTER_MM_LCD_DATA[7]
FILTER_MM_LCD_DATA[5]
FILTER_MM_LCD_DATA[3]
FILTER_MM_LCD_DATA[1]
MM_LCD_RD_N
FILTER_MM_LCD_ADS_N
MM_LCD_VSYNC
F F
G G
AXK720147G
CN105
1
VC_IO_OFF
2
CAM_SYSCLK
3
4
CAM_PCLK
5
CAM_DATA[0]F
6
CAM_DATA[1]F
7
CAM_DATA[2]F
8
CAM_DATA[3]F
9
CAM_DATA[4]F
10
CAM_DATA[5]F
H H
1 1 2 2 3 3
LGE Internal Use Only
4 4 5 5 6 6
LCD_BL_CTRL
CAM_DUAL_LDO_EN
MOTOR_PWR-
I2C_SCL
I2C_SDA
CAM_VSYNC
CAM_HSYNC
R940
CAM_PCLK
MC_IO_OFF 47
CAM_SYSCLK C951
L701
VC_IO_OFF 33p
NA
CAM_DATA[0]F
CAM_DATA[1]F
CAM_DATA[2]F
CAM_DATA[3]F
CAM_DATA[4]F
CAM_DATA[5]F
CAM_DATA[6]F
CAM_DATA[7]F
FILTER_MM_LCD_DATA[8]
FILTER_MM_LCD_DATA[9]
FILTER_MM_LCD_DATA[10]
FILTER_MM_LCD_DATA[11]
FILTER_MM_LCD_DATA[12]
FILTER_MM_LCD_DATA[13]
FILTER_MM_LCD_DATA[14]
FILTER_MM_LCD_DATA[15]
FILTER_MM_LCD_WE_N
FILTER_MM_SUB_LCD_CS_N
MM_MAIN_LCD_CS_N
VREG_CAM_DVDD_2.8V
LCD Connector
TCC_2.7V_EHI_LCD
CN103
G2
20 21
MAIN_LED2
19 22
MAIN_LED3
18 23
MAIN_LED5
17 24
LCD_IF_MODE_0
16 25
15 26
FILTER_MM_SUB_LCD_CS_N
14 27
FILTER_MM_LCD_DATA[14]
13 28
FILTER_MM_LCD_DATA[12]
12 29
FILTER_MM_LCD_DATA[10]
11 30
FILTER_MM_LCD_DATA[8]
10 31
FILTER_MM_LCD_DATA[6]
9 32
FILTER_MM_LCD_DATA[4]
8 33
FILTER_MM_LCD_DATA[2]
7 34
FILTER_MM_LCD_DATA[0]
6 35
FILTER_MM_LCD_WE_N
5 36
MM_MAIN_LCD_CS_N
4 37
LCD_MAKER_ID
3 38
2 39
1 40
G1
AXK8L40125G
ENBY0020201
VREG_CAM_AVDD_2.9V
VCAM_1.8V
20
19
18
V_CAM_RESET_N
17
I2C_SCL
16
I2C_SDA
15
14 VA109
CAM_HSYNC
EVLC14S02050
13
CAM_VSYNC
12
CAM_DATA[7]F
11
CAM_DATA[6]F
4 4 5 5 6 6
7 7 8 8 9 9
U101 MAX8645Y
1 23
+VPWR PIN C1P
2
C102
IN
22 1u
C101 C1N
3 26
4.7u
GND C2P
24 C103
PGND
29
BGND
1u
27
C2N
25
OUT WLED_PWR
20
ENM1
19
ENM2
21 16
ENF M1 MAIN_LED1
18 15
ENLDO M2 MAIN_LED2
28 14
P1 M3 MAIN_LED3
17 13
P2 M4 MAIN_LED4
12
M5 MAIN_LED5
11
M6
8 10
SETM F1
9
F2
7
SETF
4
LDO1
6 5
REFBP LDO2 VCAM_1.8V
C105
0.01u
C104 C106 C107
10u
1u 1u
CN104
G1 G2
1 24
2 23
CAM_DATA[7]F
3 22
CAM_DATA[6]F
4 21
CAM_DATA[5]F
5 20
CAM_DATA[4]F
6 19
CAM_DATA[3]F
7 18
CAM_DATA[2]F
8 17
CAM_DATA[1]F
9 16
CAM_DATA[0]F
10 15
11 14
M_CAM_RESET_N
12 13
MC_IO_OFF
G3 G4
2M CAMERA CONNECTOR
U102 RT9011-FMPQW
1 8
+VPWR VIN VOUT1 VREG_CAM_DVDD_1.5V
2 7
CAM_DUAL_LDO_EN EN1 VOUT2 VREG_CAM_DVDD_2.8V
3 6
EN2 NC2
4 5
C954 NC1 GND C956 C955
1u 1u 1u
7 7 8 8 9 9
- 162 -
10 10 11 11 12 12
OUT1
SPK_RCV+
OUT2
SPK_RCV-
+VPWR OUT3
MOTOR_PWR- OUT4
FB1
VREG_CAM_AVDD_2.9V
CN102
G1
1 10
KEY_ROW[3] KEY_COL[1]
2 9
KEY_COL[2]
3 8
KEY_COL[3]
4 7
5 6
G2
I2C_SCL
I2C_SDA
CAM_VSYNC
CAM_HSYNC
CAM_SYSCLK
10 10 11 11 12 12
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Only for training and service purposes
A A
B B
C C
D D
E E
F F
G G
H H