LG KF350 Service Manual page 116

7. CIRCUIT DIAGRAM
1 2 3
2V62_VIO
2V5_VAUDB
R301
U301
NCS2200SQ2T2G 1M
5
4 VIN-
R302
1 VCC
HOOK_DETECT
OUT GND 3 VIN+
47
2
R303
C301
220K
120p
R304
1.5K
B
C302
27p
VUSB
HS_MIC_N
C303
DNI
C304
22n
R308 2.2K R309
10p
HS_MIC_P
C305
C306
22n
27p C307
10u
USB_DP
USB_DM
C
HSO_L
HSO_R
D
E
SIM & MMC Connetor
2V9_VMME
F
C312
1u
S8
10
MMC_D(1) T8
9
MMC_D(0) T7
8
T6
7
MMC_CLK T5
6
G T4
5
MMC_CMD T3
4
MMC_D(3) T2
3
MMC_D(2) T1
2
S4
1
ST1
R334
17
MMC_DETECT ST2
18
47
2V62_VIO
C322
DNI
R335
100K
C324
1000p
H
1 2 3
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6
MAIN TO KEY CONNECTOR
2V5_VAUDB
2V62_VIO
FB301 1800
FB302 1800
JACK_TYPE
FB303 1800
FB304 1800
R312 36
FB305 1800
R314 36
FB306 1800
FB307 1800
JACK_DETECT
RPWRON_EN
R322 47
DSR
UART_TX
R325 47
UART_RX
R327 47
L301
C310
100nH
27p
L302
100nH
C311
27p
MAIN TO LCD CONNECTOR
1
DIF_D0 INOUT_A1
2
DIF_D1 INOUT_A2
3
DIF_D2 INOUT_A3
4
DIF_D3 INOUT_A4
2V9_SIM
SIM_RST
SIM_CLK
1
SIM_IO DIF_D4 INOUT_A1
2
DIF_D5 INOUT_A2
3
C314 C315 C313 DIF_D6 INOUT_A3
C316
4
0.1u 27p DNI DIF_D7 INOUT_A4
10p
FL304
ICVE10184E150R101FR
ICVE10184E150R101FR
FL306
_DIF_WR INOUT_B4 INOUT_A4
6
DIF_RD INOUT_B3 INOUT_A3
7
DIF_MAIN_CS INOUT_B2 INOUT_A2
8
DIF_CD
INOUT_B1 INOUT_A1
9
4 5 6
7 8
VCHG
FL301
OUT IN
GND2 GND1
ICVFP10181E301FR
2V62_VIO VBAT VUSB_USB
CN301
1 44
2 43
FM_ANT
3 42
4 41
5 40
6 39
7 38
8 37
9 36
10 35
11 34
12 33
13 32
14 31
15 30
FLIP
16 29
KEY_BACKLIGHT
17 28
18 27
19 26
20 25
21 24
22 23
GB042-44P-H10-E3000
2V8_CAM_A
2V9_VFM
2V85_CAM
9 2V11_RTC VBAT VBAT
INOUT_B1
8
INOUT_B2
CN302
7
INOUT_B3
6 1 60
INOUT_B4
2 59
3 58
4 57
FL302
5 56
ICVE10184E150R101FR
SDA
6 55
LED_CNT SCL
7 54
_LED_RESET
8 53
VIB_EN
9 52
CIF_PD
10 51
AUDIO_IN CIF_RESET
11 50
CIF_SCL
12 49
CIF_SDA
13 48
14 47
15 46
16 45
9 17 44
INOUT_B1
8 18 43
INOUT_B2
7 19 42
INOUT_B3
20 41
6
INOUT_B4
21 40
22 39
23 38
24 37
25 36
26 35
27 34
DIF_VSYNC
28 33
LCD_ID
29 32
_DIF_RESET
30 31
C317 C318 GB042-60S-H10-E3000 C319 C320 C321
VA309
4 2.2u
ICVN0505X150FR 1u 1u 1u 1u
3
2
1
VA310
ICVN0505X150FR
7 8
- 117 -
9 10 11
0.1u C327
MAIN_MIC_P
MAIN_MIC_N
0.1u C328
VMIC_P
100nH L305
VA301 VA302
C330 C329
2.2u 27p
VMIC_N
END_KEY
KEY_ROW0
R313 680
KEY_ROW1
R315 680
KEY_ROW2
R316 680
KEY_ROW3
R317 680
KEY_ROW4
R318 680
KEY_ROW5
R319 680
KEY_COL0
R320 680
KEY_COL1
R321 680
KEY_COL2
R323 680
KEY_COL3
R324 680
KEY_COL5
R326 680
9 1
INOUT_B1 INOUT_A1 CIF_PCLK
8 2
INOUT_B2 INOUT_A2 CIF_MCLK
7 3
INOUT_B3 INOUT_A3 CIF_HSYNC
6 4
CIF_VSYNC
INOUT_B4 INOUT_A4
FL303 ICVE10184E070R101FR
ICVE10184E070R101FR
FL305
INOUT_A4 INOUT_B4 CIF_D0
4 6
INOUT_A3 INOUT_B3 CIF_D1
3 7
INOUT_A2 INOUT_B2 CIF_D2
2 8
INOUT_A1 INOUT_B1 CIF_D3
1 9
9 1
INOUT_B1 INOUT_A1 CIF_D4
8 2
INOUT_B2 INOUT_A2 CIF_D5
7 3
INOUT_B3 INOUT_A3 CIF_D6
6 4
INOUT_B4 INOUT_A4 CIF_D7
FL307 ICVE10184E070R101FR
C323
47p
SPK_RCV_P
C325
27p
SPK_RCV_N
C326
47p
9 10 11
LGE Internal Use Only
12
A
B
C
D
E
F
G
H
12