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7. CIRCUIT DIAGRAM
1
2
SIM_CONNECTOR
A
2V85_VSIM
2V85_VSIM
R303
J300
15K
4
1
C5
C1
5
2
C6
C2
6
3
SIM_DATA
C7
C3
10
7
GND4
GND1
9
8
GND3
GND2
C306
C304
C307
C308
B
DNI
220n
DNI
1000p
VIBRATOR
VBAT
C
KDS114E
J301
D300
1
C327
1u
2
R312
10
(50V,J,NP0)
D
3
Q300
R314
2
VIBRATOR
1K
KTC4075E
1
R315
(1608)
100K
OVP_VUSB
OVP_VCHG
E
R317
12K
USB_DET
CHG_DET
C338
R319
C339
12K
DNI
DNI
F
C
CHARGE(TA+USB)
VBUS_IN
VCHG_IN
D
EUSY0351601
U303
1
VDC
2
VUSB
3
_PPR
4
_CHG
5
_CHG_EN
_EN
6
E
IMIN
R338
100K
C350
C351
R340
10K
1u
1u
F
1
2
LG(42)-A-5505-10:01
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3
4
5
6
7
MICROPHONE PATH SELECTION
2V8_VEXT
MAIN_MICN
SIM_RST
SIM_CLK
MAIN_MICP
C311
1u
U300
DG2735DN-T1-E3
C312
1
10
V+
NO2
1u
2
9
MM_MICP
NO1
COM2
MAIN_MICN
1u
C313
3
8
MAIN_MICP
COM1
IN2
MIC_PATH_SEL
4
7
C319
VINNORN
IN1
NC2
0.1uF
0.1uF
5
6
VINNORP
C324
NC1
GND
AUXIN
AUXIP
MIC_PATH_SEL
MODE
L
HANDSET MODE
ACC_DET
H
MULTIMEDIA MODE
USB PATH SELECTION
BATTERY
CONNNECTOR
VBAT
U301
SLAS4717EPMTR2G
1
10
VCC
NO2
MM_USBDP
2
9
MM_USBDM
NO1
COM2
USBDP
3
8
USBDM
COM1
IN2
R320
4
7
USB_PATH_SEL
IN1
NC2
BB_USBDP
22
R321
5
6
BB_USBDM
NC1
GND
22
C344
47p
C345
47p
USB_PATH_SEL
L
AD6726
H
AIT716
u-SD CARD
3V3_VUSB
3V3_TF
VBAT
OVP_VCHG
OVP_VUSB
2V8_VEXT
R326
R327
ISL9221
0
DNI
13
PGND
12
VDC_BYP
R332
R333
R334
R337
R335
R336
11
BAT
470K
56K
56K
56K
56K
56K
10
USB_BYP
9
IVDC
TF_DATA1
8
GND
TF_DATA0
7
IUSB
TF_CLK
R341
R339
C352
18K
10K
1u
TF_CMD
1%
TF_DATA3
TF_DATA2
TF_DET
C353
DNI
3
4
5
6
7
8
9
10
11
2V5_VMIC
SPU0410HR5H-PB
MIC300
L302
HS_MIC
C300
1
P
2
C302
100nH
22n
G1
HS_OUT_L
3
39p
G2
HS_OUT_R
4
O
L303
C303
JACK_DETECT
100nH
22n
C309
VA300
C310
39p
39p
10u
RPWRON
C305
2V5_VMIC
R306
1.5K
RECEIVER
C325
0.1u
R309
2.2K
REC_P
C326
0.1u
HS_MIC
C328
C330
C331
C332
47p
27p
27p
10u
REC_N
C333
C334
20
R313
DNI
DNI
C337
100p
LCD CONNECTOR
VBAT
ENQY 0014901
CN304
1
2
BATT_TEMP
3
C341
C340
C342
C343
2V8_MM
27p
22u
1u
39p
CN305
MLED
MLED1
35
MLED2
34
33
32
IM2
31
30
IM1
29
VSYNCOUT_
28
nLCD_RD_OUT
27
nLCD_WR_OUT
26
nLCD_RS_OUT
25
LCD_RESET_OUT
24
nLCD_CS_OUT
23
22
DATAOUT15
21
DATAOUT14
20
DATAOUT13
19
DATAOUT12
18
DATAOUT11
17
DATAOUT10
16
DATAOUT09
15
DATAOUT08
14
13
12
11
3V3_TF
10
9
Not Mount
8
VBAT
7
R325
6
RP103K331D
U302
DNI
LCD_ID
5
4
4
1
R328
VDD
VOUT
3
3
2
TF_EN
CE
GND
2
DNI
1
C346
R331
R330
C347
DNI
20K
DNI
DNI
C349
J302 AXA463062P
1u
EUSY0353801
DAT1_2
DUMMY1
DAT0
VSS
CLK
VDD
CMD
CD_DAT3
DUMMY2
DAT2
DETECT_A
DETECT_B
DUMMY3
GND
8
9
- 93 -
12
13
14
15
ENRY0006801
2V8_VEXT
VBAT
VCHG_IN
VBUS_IN
CN300
GU041-18P-E1000
21
19
FB300
1
FM_ANT
2
FB301
3
4
C301
L301
5
10p
270nH
6
USBDP
FB302
7
USBDM
R304
8
9
20
FB303
10
R305
11
12
47
13
14
DSR
15
16
USC2
17
USC1
18
C314
C315
C316
C317
C318
20
33p
100p
33p
47p
1u
22
C321
330p
SPEAKER
R307
R308
SPK_N
CN302
CN301
0
0
1
C329
1
2
39p
2
R310
R311
SPK_P
0
BMRH-110721SL32B-P
0
SURY0013702
C335
C336
EMS1634APB1P
SUSY0024801
39p
39p
SPEAKER BRACKET
CN303
1
2
3
4
MBFK0004801
FL300
ICVE10184E150R101FR
1
9
nLCD_RS
INOUT_A1
INOUT_B1
nLCD_RS_OUT
2V8_MM
2
8
nLCD_WR
INOUT_A2
INOUT_B2
nLCD_WR_OUT
3
7
VSYNCOUT
INOUT_A3
INOUT_B3
VSYNCOUT_
4
6
nLCD_CS
INOUT_A4
INOUT_B4
nLCD_CS_OUT
R323
100K
IM1
IM2
R324
FL301
ICVE10184E150R101FR
100K
1
9
L_DATA15
INOUT_A1
INOUT_B1
DATAOUT15
2
8
L_DATA14
DATAOUT14
INOUT_A2
INOUT_B2
3
7
L_DATA13
DATAOUT13
INOUT_A3
INOUT_B3
4
6
L_DATA12
INOUT_A4
INOUT_B4
DATAOUT12
FL302
ICVE10184E150R101FR
1
9
L_DATA11
INOUT_A1
INOUT_B1
DATAOUT11
2
8
L_DATA10
INOUT_A2
INOUT_B2
DATAOUT10
3
7
L_DATA09
INOUT_A3
INOUT_B3
DATAOUT09
4
6
L_DATA08
INOUT_A4
INOUT_B4
DATAOUT08
R329
LCD_RESET
LCD_RESET_OUT
100ohm
C348
56p
16
A
B
C
D
E
F
C
D
E
LGE Internal Use Only
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