7. CIRCUIT DIAGRAM
- 96 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
10u
C235
10u
C231
27p
C261
0
R253
1u
C246
ENRY0008801
CN201
GU073-5P-SD-E1500
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
10Kohms
R229
10u
C220
DM-YK407-6F2
SJMY0007905
VB201
2
1
DNI
C203
s
mh
o0
65
R222
s
mh
o0
65
R230
1u
C258
R228
s
mh
o0
65
R224
s
mh
o0
65
s
mh
o0
65
R221
390p
C201
C204
DNI
27p
C260
CN202
ENZY0021201
KQ03LC-3R
3
2
1
0.1u
C257
FB201
30K
R217
4.7K
R265
10
R248
KTA2014E
Q201
2
1
3
C
E
B
RF
05
1
X5
05
0
N
V
CI
VA204
0
R260
R231
5.1K
TPA6202A1ZQVR
EUSY0404001
U204
B2
C1
A1
B1
B3
C2
A3
C3
IN-
VDD
IN+
VO+
_SHUTDOWN
VO-
BYPASS
GND
J201
ENSY0025101
GCA26D-6S-H18-E1500
9
8
10
7
6
3
5
2
4
1
C1
C5
C2
C6
C3
C7
GND1
GND4
GND2
GND3
TS5A32402RTER
EUSY0398301
U203
71
14
15
7
16
8
9
10
11
12
2
13
1
5
4
6
3
AUD_L
DM
D
N
G
VBUS
YL
P
P
U
S
V
INTB
AUD_R
R2_2K
MIC
UART_RX
UART_TX
ID
CLDO
DP
SDA
SCL
D
N
G
P
KTA2014E
Q203
2
1
3
C
E
B
C285
27p
33n
C227
RT9524
EUSY0410801
U205
6
5
7
4
8
3
9
2
10
1
11
PGND
VIN
BATT
ISET
PGB
GND1
CHGSB
LDO
GND2
IEOC
EN_SET
0
R254
SC201
MCBA0059901
SC_GS100
1
1n
C205
Q204
KTC4075E_RTK-H
1
2
3
39pF
C206
10u
C219
2.2K
R203
10K
R204
R270
10Kohms
2.2uF
C208
27pF
C253
39pF
C210
C211
39pF
R205
100Kohms
R_S_N
0.022uF
C212
C213
39pF
VBUS_USB
C214
39pF
C215
0.033uF
2V85_VSIM
22pF
C216
s
mh
o0
65
R227
VBAT
0.1uF
C217
C218
68pF
DG2735DN-T1-E3
U201
EUSY0347001
6
5
7
4
8
3
9
2
10
1
V+
NO2
NO1
COM2
COM1
IN2
IN1
NC2
NC1
GND
2V85_VSIM
R_S_P
1n
C207
4.7Kohms
R206
0.1uF
C221
2V85_VSIM
MIC201
SUMY0007102
OBE-415L42-RC10-LGB10
2
1
C222
39pF
1.2K
R233
R266
47K
1UF
C282
C223
27p
FB202
C224
39pF
10
2
A
V
00
22
0
M5
L
V
E
4.7K
R209
DNI
R271
C225
0.1uF
DNI
C284
DNI
R272
VBAT
0.22uF
C226
33n
C233
R210
2.2Kohms
R211
1Kohms
VMIC
100ohms
R212
R213
100ohms
R267
47K
C228
39pF
R214
2.2Kohms
C229
39pF
R268
47K
R269
47K
30K
R240
10K
R218
20
2
A
V
00
22
0
M5
L
V
E
0.033uF
C230
27pF
C209
R215
4.7ohms
4.7ohms
R216
C234
2.2uF
10K
R219
390p
C202
1n
L201
27p
C236
R273
DNI
VBAT
DNI R274
180n
L202
LD201
19-217_BHC-ZM1N2QY_3T
C238
27p
DNI
C286
VBUS_USB
27p
C239
RF
05
1
X5
05
0
N
V
CI
VA203
C241
27p
C242
27p
LD202
27p
C243
KB201
KB202
KB203
KB204
KB205
KB206
LD203
10ohms
R220
KB207
KB208
KB209
KB210
KB211
0.001uF
C244
1V8_VDD
KB212
KB213
KB214
KB215
KB216
KB217
KB218
KB219
VRTC
R223
100Kohms
200Kohms
R225
6.8pF
C245
LD204
KB220
KTC4075E_RTK-H
Q202
1
2
3
LD205
VBAT
2.2u
C283
LD206
C247
1UF
VBAT
C248
1UF
VAUX
VBUS_USB
FB203
120ohm
VA205
C250
DNI
47n
C249
C251
10n
10K
R241
R242
100Kohms
1V8_VDD
27pF
C252
L203
1n
VAUX
C254
27pF
0.1uF
C255
VBAT
R245
2.2K
C256
0.022uF
10Kohms
R247
W_LED_DRV
KEY_BACKLIGHT
_CHG_EOC
MUIC_INT
_CHG_EN
BAT_TEMP
SPK_AMP_EN
I2C_SDA
I2C_SCL
VIB_P
KEY_IN4
KEY_IN3
KEY_IN2
KEY_IN1
KEY_OUT4
KEY_OUT3
KEY_OUT2
MIC_P
MIC_N
REC_N
REC_P
HS_MIC_P
HS_MIC_N
HP_ROUT
HP_LOUT
SIM_DATA
SIM_CLK
SIM_RST
KEY_IN0
KEY_OUT1
END_KEY
UART_TX
UART_RX
REC_SPK_P
REC_SPK_P
REC_SPK_N
REC_SPK_N
REC_IN_P
REC_IN_P
MUIC_DM
MUIC_DM
MUIC_ID
MUIC_ID
FM_ANT_1
MUIC_DP
MUIC_DP
SPK_N
SPK_P
DSS
REC_IN_N
REC_IN_N
REC_PATH_SEL
REC_PATH_SEL
VIB_N
VCORE
W_LED_DRV1
_CHG_EN1
_CHG_EN1
ECCH0000198
(2.2uF,6.3V,10%,1005)
ECCH0006501
(10 uF,6.3V ,M ,X5R ,TC ,2125 ,R/TP)
ECCH0000155
MUIC LITE
(10nF,16V,X7R,1005)
ECCH0005603
2
UP
1
KEY MATRIX
SIM_CONNECTOR
Shield can
*
(10 uF,6.3V ,M ,X5R ,TC ,1608 ,R/TP)
ECCH0005604
EARPHONE PATH SWITCH
(2.2uF,10V,10%,X5R,1608)
SPEAKER & RECEIVER
9
KEY BACKLIGHT
Single Charging IC for uUSB
4
5PIN CONNECTOR
7
( USB & EAR MIC & TA &UART )
(2012)
(1%)
(1%)
BATTERY CONNECTOR
0
SEL
LEFT
#
6
VIBRATOR
(2012)
3
RIGHT
MIC
END
SEND
8
5
MENU
DOWN