LG KF700 Service Manual page 146

7. CIRCUIT DIAGRAM
1 1 2 2 3 3
A A
SDRAM_DATA(0:31)
SDRAM_DATA(0) U4
DQ0
SDRAM_DATA(1) T4
DQ1
SDRAM_DATA(2) T5
DQ2
SDRAM_DATA(3) V5
DQ3
SDRAM_DATA(4) U5
DQ4
SDRAM_DATA(5) T6
DQ5
SDRAM_DATA(6) V6
DQ6
SDRAM_DATA(7) U7
DQ7
SDRAM_DATA(8) T9
DQ8
SDRAM_DATA(9) T10
DQ9
SDRAM_DATA(10) V10
DQ10
SDRAM_DATA(11) T11
DQ11
SDRAM_DATA(12) U11
DQ12
V11
SDRAM_DATA(13)
DQ13
SDRAM_DATA(14) T12
DQ14
SDRAM_DATA(15) U12
DQ15
SDRAM_DATA(16) P3
DQ16
SDRAM_DATA(17) R3
B B
DQ17
SDRAM_DATA(18) P4
DQ18
SDRAM_DATA(19) R4
DQ19
SDRAM_DATA(20) P5
DQ20
SDRAM_DATA(21) R5
DQ21
SDRAM_DATA(22) P6
DQ22
SDRAM_DATA(23) R6
DQ23
SDRAM_DATA(24) P9
DQ24
SDRAM_DATA(25) P10
DQ25
R10
SDRAM_DATA(26)
DQ26
SDRAM_DATA(27) P11
DQ27
SDRAM_DATA(28) R11
DQ28
SDRAM_DATA(29) P12
DQ29
SDRAM_DATA(30) R12
DQ30
SDRAM_DATA(31) R13
DQ31
U8
SDRAM_DQM(0) DQM0
T8
SDRAM_DQM(1) DQM1
V7
SDRAM_DQM(2) DQM2
U9
SDRAM_DQM(3) DQM3
C C
EBI2_DATA(0:15)
EBI2_DATA(0) M11
IO1
EBI2_DATA(1) M13
IO2
EBI2_DATA(2)
L10
IO3
EBI2_DATA(3) L12
IO4
EBI2_DATA(4) J9
IO5
EBI2_DATA(5) H12
IO6
EBI2_DATA(6) H10
IO7
EBI2_DATA(7) G12
IO8
EBI2_DATA(8)
M12
IO9
L9
EBI2_DATA(9)
IO10
EBI2_DATA(10) L11
IO11
EBI2_DATA(11) K9
IO12
EBI2_DATA(12) H13
IO13
EBI2_DATA(13) H11
IO14
EBI2_DATA(14) H9
IO15
EBI2_DATA(15) G11
IO16
A1
NC1
A2
NC2
A3
D D
NC3
A4
NC4
A11
NC5
A12
NC6
A13
NC7
A14
NC8
B1
NC9
B2
NC10
B3
NC11
B4
NC12
B11
NC13
B12
NC14
B13
NC15
B14
NC16
C1
NC17
C2
NC18
C5
NC19
C13
NC20
C14
NC21
E E
MEMORY (2Gbit 90n NAND FLASH + 1Gbit SDRAM)
F F
VBATT
3G 2.5G
1
GND GND
2
RX UART_RX
RX
3
TX TX UART_TX
4
+5V_PWR
VCHAR NC1
5
ON_SW ON_SW PM_ON_SW_N
6
VBAT VBAT
7
PWR NC2 USB_VBUS
8
G G URXD USB_D-
NC3
9
UTXD NC4 USB_D+
10
DSR
11
RTS
12
CTS
CN303
TP
H H
1 1 2 2 3 3
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 4 5 5 6 6
SDRAM_ADDR(0:12)
C3 SDRAM_ADDR(0)
A0
D3 SDRAM_ADDR(1)
A1
E3 SDRAM_ADDR(2)
A2
E2 SDRAM_ADDR(3)
A3
D12 SDRAM_ADDR(4)
A4
C12 SDRAM_ADDR(5)
A5
D11 SDRAM_ADDR(6)
A6
C11 SDRAM_ADDR(7)
A7
D10 SDRAM_ADDR(8)
A8
C10 SDRAM_ADDR(9)
A9
E4 SDRAM_ADDR(10)
A10
D9 SDRAM_ADDR(11) VREG_MSMP_2.7V
A11
C9 SDRAM_ADDR(12)
A12
L6
_WP RESOUT_N
K6
_WEN EBI2_WE_N
D5 R301
_RAS SDRAM_RAS_N
D6
100K
_WED SDRAM_WE_N
E6
_CAS SDRAM_CAS_N
C8
CLK SDRAM_CLK
E5
_CS1 SDRAM_CS_N
D7
NC124 R302
M3
100K
ALE NAND_ALE
M4
CLE NAND_CLE
M9
_CE
M10
_RE EBI2_OE_N
M2
RY__BY
D8
CKE SDRAM_CLK_EN
C4 VREG_MSME_1.8V
BA0 SDRAM_ADDR(13)
D4
BA1 SDRAM_ADDR(14)
C7
VCCD1
D2
VCCD2
D13
VCCD3
V3
U300 VCCD4
V8
VCCD5
V12 VREG_MSMP_2.7V
TYA000B800COGG VCCD6
V4
VCCQD1
V9
VCCQD2
K12
VCCN2
C6
C308 C309
VSS1
F7
VSS2
G2 0.01u 0.1u
VSS3
G13
VSS4
L13
VSS5
P2
VSS6
P13
VSS7
R8
VSS8
U2
VSS9
U6
VSS10
U10
VSS11
U13
VSS12
J12
NC63
J13
NC64
K1
NC65
K2
NC66
K3
NC67
K4
NC68
K5
NC69
K10
NC70
K11
NC71
K13
NC72
K14
NC73
L1
NC74
L2
NC75
L3
NC76
L4
NC77
L5
NC78
L14
NC79
M5
NC80
M6
NC81
N2
NC82
VREG_USIM_3.0V
+VPWR
VREG_MSMP_2.7V
CN302
G1 G2
1 20
2 19
FOLDER_DETECT_N MICROSD_DETECT
3 18
KEY_ROW(3) KEY_COL(0)
4 17
KEY_ROW(2) KEY_COL(1) USIM_P_RST_N
5 16
KEY_ROW(1) KEY_COL(2) USIM_P_CLK
6 15
KEY_ROW(0) KEY_COL(3) USIM_P_DATA
7 14
KEY_COL(4) KYPD_LED_EN FLASH_LED_STROBE
8 13
MIC1P PM_ON_SW_N FLASH_LED_TORCH
9 12
MIC1N UART_RX
10 11
MICBIAS UART_TX
G3 G4
MAIN PCB TO KEY PCB
4 4 5 5 6 6
7 7 8 8 9 9
R303
10K
CN300
G1 G2
NAND_CS_N
1 64
2 63
NAND_READY
R306
3 62
LCD_FPCB_DET
12/25
4 61
5 60
LCD_IF_MODE
6 59
LCD_RESET_N
7 58
LCD_DATA(15)
8 57
LCD_DATA(14)
9 56
LCD_DATA(13)
10 55
LCD_DATA(12)
11 54
LCD_DATA(11)
12 53
LCD_DATA(10)
13 52
LCD_DATA(9)
14 51
LCD_DATA(8)
15 50
LCD_DATA(7)
16 49
LCD_DATA(6)
17 48
LCD_DATA(5)
18 47
LCD_DATA(4)
19 46
LCD_DATA(3)
20 45
LCD_DATA(2)
21 44
LCD_DATA(1)
22 43
LCD_DATA(0)
23 42
EBI2_OE_N
24 41
EBI2_WE_N
25 40
EBI2_ADDR(11)
26 39
LCD_CS_N
27 38
LCD_VSYNC_OUT
28 37
TOUCH_PENIRQ_N
29 36
TOUCH_I2C_SCL
30 35
TOUCH_I2C_SDA
31 34
32 33
G3 G4
MAIN PCB TO LCD FPCB
+VPWR
VREG_MMC_3.0V
VREG_MSMP_2.7V
CN301
G1 G2
1 34
2 33
3 32
4 31
DIAL_DETECT1
5 30
DIAL_DETECT2
6 29
DIAL_PDN
7 28
PMIC_DIAL_LED_EN
8 27
9 26
MICROSD_DATA(2)
10 25
MICROSD_DATA(3)
11 24
MICROSD_CMD
12 23
MICROSD_CLK
13 22
MICROSD_DATA(0)
14 21
MICROSD_DATA(1)
15 20
R313 10K
V_BACK_UP
16 19
KEY_ROW(0)
17 18
KEY_COL(4) R314
DNI
G3 G4
MAIN PCB TO SUB FPCB (1.0T)
7 7 8 8 9
- 147 -
10 10 11 11 12 12
EBI2_DATA(0:15)
FL300 ICVE10184E150R500FR
1 9
EBI2_DATA(15) LCD_DATA(15)
INOUT_A1 INOUT_B1
2 8
EBI2_DATA(14)
INOUT_A2 INOUT_B2 LCD_DATA(14)
3 7
EBI2_DATA(13)
INOUT_A3 INOUT_B3 LCD_DATA(13)
4 6
EBI2_DATA(12)
INOUT_A4 INOUT_B4 LCD_DATA(12)
FL301 ICVE10184E150R500FR
1 9
EBI2_DATA(11)
SPK_RCV+ INOUT_A1 INOUT_B1 LCD_DATA(11)
2 8
SPK_RCV- EBI2_DATA(10) INOUT_A2 INOUT_B2 LCD_DATA(10)
51
3 7
VGA_CAM_PWDN EBI2_DATA(9) INOUT_A3 INOUT_B3 LCD_DATA(9)
4 6
EBI2_DATA(8) INOUT_A4 INOUT_B4 LCD_DATA(8)
CAM_MCLK
CAM_PCLK
CAM_DATA(7)
CAM_DATA(6)
FL302 ICVE10184E150R500FR
CAM_DATA(5)
1 9
CAM_DATA(4) EBI2_DATA(7) INOUT_A1 INOUT_B1 LCD_DATA(7)
2 8
CAM_DATA(3) EBI2_DATA(6) LCD_DATA(6)
INOUT_A2 INOUT_B2
3 7
EBI2_DATA(5)
CAM_DATA(2) INOUT_A3 INOUT_B3 LCD_DATA(5)
4 6
EBI2_DATA(4)
CAM_DATA(1) INOUT_A4 INOUT_B4 LCD_DATA(4)
CAM_DATA(0)
CAM_VSYNC
CAM_HSYNC
I2C_SDA
I2C_SCL
FL303 ICVE10184E150R500FR
VGA_CAM_RESET_N
EBI2_DATA(3) 1 9
MOTOR+ INOUT_A1 INOUT_B1 LCD_DATA(3)
EBI2_DATA(2) 2 8
MOTOR- INOUT_A2 INOUT_B2 LCD_DATA(2)
3 7
EBI2_DATA(1) INOUT_A3 INOUT_B3 LCD_DATA(1)
4 6
MLED1 EBI2_DATA(0) INOUT_A4 INOUT_B4 LCD_DATA(0)
MLED2
MLED3
MLED4
MLED5
MLED6
WLED_PWR
LCD_RESET_N LCD_RESET_N
LCD_CS_N LCD_CS_N
EBI2_ADDR(11) EBI2_ADDR(11)
EBI2_WE_N EBI2_WE_N
SCREW_HOLE
10 0 11 11 12 12
LGE Internal Use Only
A A
B B
C C
D D
E E
F F
G G
H H