LG KT520 Service Manual page 180

7. CIRCUIT DIAGRAM
1 1 2 2 3 3
A A
R501 0
SPK_RCV_P
R503 0
SPK_RCV_N
APP_GP04_OJ_MISO
APP_GP05_OJ_MOSI
APP_GP06_OJ_SCLK
APP_GP07_OJ_MOTION_n
APP_GP11_OJ_CS_n
KEYOUT1
KEYOUT2
KEYOUT3
KEYOUT4
FL502
LCD_WR
R505 47
LCD_RS_n
6 4 R506 47
CI_D0 INOUT_B4 INOUT_A4 LCD_CS_n
7 3
B B CI_D1 INOUT_B3 INOUT_A3 LCD_VSYNC
8 2
CI_D2 INOUT_B2 INOUT_A2
9 1
CI_D3 INOUT_B1 INOUT_A1 LCD_RES_n
ICVE10184E070R100FR
FL504
R509 47
CI_PCLK
6 4
CI_D4 INOUT_B4 INOUT_A4
7 3
CI_D5 INOUT_B3 INOUT_A3
8 2
CI_D6 INOUT_B2 INOUT_A2
9 1
CI_D7
INOUT_B1 INOUT_A1
ICVE10184E070R100FR
C C
70pin Main to FPCB CONNECTOR
AXK7L70227 (0.9T socket)
D D
E E
RB521S-30
D501
F F
1 2 3
1 2 3
KEYOUT1
4 5 6
4 5 6
KEYOUT2
G G
7 8 9
7 8 9
KEYOUT3
0 #
*
KB_STAR KB511
0
H H
KEY PAD AND SIDE KEY PAD
1 1 2 2 3 3
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 4 5 6
CN503
G1 G2
1 70
2 69
3 68
4 67
5 66
LCD_RD
6 65
7 64
8 63
9 62
10 61
KEYIN3
11 60 FL500 ICVE10184E150R500FR
KEYIN4
12 59 1 9
KEYIN5 INOUT_A1 INOUT_B1 PDI_D7
13 58 2 8
APP_GP10_BL_CTRL
INOUT_A2 INOUT_B2 PDI_D6
14 57 3 7
APP_GP15_CAM_LDO_CTRL INOUT_A3 INOUT_B3 PDI_D5
15 56 4 6
APP_GP14_VC_IO_OFF INOUT_A4 INOUT_B4 PDI_D4
16 55
ACC_GP12_KEY_LED_ON
17 54
18 53
19 52
20 51
21 50
22 49
23 48
24 47
25 46 FL501 ICVE10184E150R500FR
26 45
1 9
CI_RES_n INOUT_A1 INOUT_B1 PDI_D3
27 44 2 8
APP_I2C_SDA INOUT_A2 INOUT_B2 PDI_D2
28 43 3 7
APP_I2C_SCL INOUT_A3 INOUT_B3 PDI_D1
29 42 4 6
CI_VSYNC INOUT_A4 INOUT_B4 PDI_D0
30 41
CI_HSYNC
31 40 R508 47
SYSCLK0
32 39
33 38
34 37
ONSWA_n
35 36
G3 G4
CI_PCLK
VDD_CAM_2V8 VDD_CAM_AF
APP_I2C_SDA
FB501
APP_GP02_MC_IO_OFF
FB502
C506 C507 C508 C509
1u 0.1u 0.1u 0.01u
ONSWA_n
6
Volume
5
4
Camera
3
2
1
CN523
VBAT
KEYOUT0
KEYPAD BACKLIGHT LED
R642
KEYOUT4
DNI
R643
110
4 4 5 5 6 6
- 181 -
7 8 9 9
MOTOR_P
MOTOR_N
VDDH_CAM_CORE VDD_CAM_1V8
C504 C505
1u 0.1u
CN501
G1 G2
1 34
2 33
MICROSD_CMD
3 32
ACC_GP16_MC_DETECT
4 31
APP_GP13_MC_CLKRET
5 30
CI_RES_n CI_D7 MICROSD_DAT0
6 29
CI_D6 MICROSD_DAT1
7 28
CI_D5 MICROSD_DAT2
8 27
CI_D4 MICROSD_DAT3
9 26
APP_I2C_SCL CI_D3 MICROSD_DAT_DIR
10 25
CI_D2 MICROSD_CLK
11 24
CI_D1
12 23
CI_D0 MICROSD_CMD_DIR
13 22
ACC_GP26_BT_SPI_CLK
14 21 R551
SYSCLK0 ACC_GP25_BT_SPI_DAT1
15 20
47
16 19
CI_VSYNC
17 18
CI_HSYNC
G3 G4
C510 C552 C551
1u 22p DNI
34pin 3M CAMERA CONNECTOR
AXK7L34227G (0.9T socket)
VDDC_2V65 VDDE_1V8
U502 TK60012BM5
C524
1 6
0.1u VDD IO_VDD
2 5
GND1 GND2
C525
3 4
0.1u NC OUT
HALL EFFECT SWITCH
7 7 8 8 9 9
10 10 11 11 12 12
VDDE_1V8 VDDG_2V75 VDDK_2V75
CN502
G1
1 40
VBACKUP RESOUT2_n
2 39
3 38
BT_CLK
4 37
5 36
ACC_PCM_SYNC
6 35
ACC_PCM_CLK
7 34
ACC_PCM_DLD
8 33
ACC_PCM_ULD
9 32
ACC_GP14_BT_SPI_INT
10 31
BT_CLKREQ_n
11 30
12 29
RTCCLK
13 28
14 27
15 26
16 25
17 24
18 23
ACC_GP24_BT_SPI_DAT0
19 22
ACC_GP23_BT_SPI_CS0n
20 21
G2
40pin Main to Sub PCB
AXK740327G (2.5T socket)
APP_GP03_FLIPSENSE
C526
0.1u
10 10 11 11 12 12
LGE Internal Use Only
A A
B B
C C
D D
E E
F F
G G
H H