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7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
7
12
6
Charging
Route as a differential pair
GPA3:PCB_Rev_ADC
Discharging
D
10
1608
2
Local ground plane
G, N : 100K : 68.0K : 1.073V
F, M : 100K : 51.0K : 0.895V
1.1 : 100K : 150.0K : 1.59V
1.2 : 100K : 215K : 1.809V
B
9
to RF3300 Power Detector
10
1.4 : 100K : 680K : 2.31V
A
A, H : 100K : 6.2K : 0.155V
Close to AB
C, J : 100K : 20.0K : 0.442V
E, L : 100K : 39.0K : 0.744V
to DB3210 CORE
11
to Bluetooth
B
CHARGING CIRCUIT
5
E
G
C
1
E
7
B, I : 100K : 12.1K : 0.286V
A
D, K : 100K : 27.0K : 0.563V
H
2
C
BLM18PG121SN1J
9
Route as a differential pair
3
Parallel with VCORE
to Hall Switch and AB3100 BEAR
to AB3100 CODECs/ADC/PLL
8
to RF3300 digital
USB charging path
11
1.3 : 100K : 390K : 2.109V
D
8
REV.F
REV.F
REV.F
1%
REV.F
1.0 : 100K : 100K : 1.325V
4
2.8*2.6*1.0 0.7A 240mohm 20%
to DB3100 analog
H
3
1
120ohm 1608 2A 50mohm Bead
Use multiple via
F
12
5
to SD Card and LCD
4
F
Audio Amp.
Phone ground return path
1%
REV.E (From MAINKEY)
to All I/O Supplies and Memory
6
G
22p
C338
C352
0.1u
VSS64
VSS65
M9
VSS66
M11
M12
VSS67
VSS7
E4
VSS8
E5
VSS9
E6
N5
VSS_BEAR
B1
VSS_BUCK
VSS_SPKR
M7
J3
WS1
K1
WS2
A10
XTAL1
D11
XTAL2
XTAL_OUT
B11
VSS5
VSS50
K7
VSS51
K8
VSS52
K9
VSS53
K10
K11
VSS54
L4
VSS55
L5
VSS56
L6
VSS57
L7
VSS58
VSS59
L8
VSS6
D10
VSS60
L9
L10
VSS61
L11
VSS62
M6
VSS63
M8
VSS35
H9
VSS36
VSS37
H10
VSS38
H11
H12
VSS39
D7
VSS4
J4
VSS40
J5
VSS41
J6
VSS42
VSS43
J7
VSS44
J8
VSS45
J9
VSS46
J10
VSS47
J11
K5
VSS48
K6
VSS49
D9
VSS20
VSS21
G3
VSS22
G4
VSS23
G5
VSS24
G6
VSS25
G7
G8
VSS26
G9
VSS27
VSS28
G10
VSS29
G11
VSS3
D6
VSS30
G12
VSS31
H4
H5
VSS32
H6
VSS33
H7
VSS34
H8
VDD_REF
P7
VDD_SPKR
VIBR_OUT
C14
VREF
A13
VSS1
D4
E7
VSS10
E8
VSS11
E9
VSS12
E10
VSS13
F4
VSS14
VSS15
F5
VSS16
F6
F7
VSS17
F8
VSS18
F9
VSS19
VSS2
D5
F10
VBAT_D
F14
VBAT_E
M13
VBAT_F
VBAT_G
N14
F3
VBAT_H
VBAT_K
M3
VBAT_L
B14
A1
VBAT_M
VBOOST
B2
VBUCK
C1
E2
VBUS
VDD_ADC
C10
VDD_AUDIO
P13
VDD_AUXO
P3
P6
VDD_BEAR
A12
VDD_IO
G1
P2
N1
SIMRST_N
SLEEP_A
E11
SLEEP_B
D14
SPARE1
B10
SPARE2
A2
N6
SPKRN_OUT
N7
SPKRP_OUT
M2
SRST_N
SW_BOOST
E3
TEST
D12
TRICKLE
F2
TXON
A5
K12
VBAT_A
VBAT_B
K14
D1
VBAT_C
G2
PLL_DEC3
PLL_DEC4
J12
PWRRST_N
E12
SCK1
K3
SCK2
L3
SCL
C13
SCLK
M1
B13
SDA
SDAT
N3
J1
SDI1
SDI2
K4
K2
SDO1
SDO2
L2
SIMCLK
N2
P1
SIMDAT
L1
SIMLDO_OUT
SIMOFF_N
P12
LINEIN2
P11
H13
MCLK
M10
MIC1N
MIC1P
N10
MIC2N
P9
N9
MIC2P
P8
MIC3N
MIC3P
N8
MIC4N
P10
MIC4P
N11
MIDR_OUT
N4
MOD1
B12
F13
ONSWA_N
F12
ONSWB_N
F11
ONSWC
H14
IRQB_N
K13
LDOA_OUT
N12
LDOC_OUT
L12
LDOD_OUT
LDOE_OUT
G14
LDOF_OUT
G13
L13
LDOG_OUT
LDOH_OUT
L14
LDOK_OUT
M14
D13
LDOLP_OUT
LED1_N
B4
LED2_N
A4
LED3_N
D3
LED4_N
C3
LED5_N
A3
LED6_N
B3
LINEIN1
F1
J2
DCIO_INT
EXT_LDO
C12
FGSENSEN
J13
FGSENSEP
J14
A9
GPA0
B9
GPA1
C7
GPA12
C9
GPA2
GPA3
B8
GPA4
A8
GPA5
C8
D8
GPA6
B7
GPA7
A14
IREF
E13
IRQA_N
E14
BEARP_OUT
D2
BOOST_ISN
BOOST_ISP
C2
BUCK_FB
E1
N13
CCO1
P14
CCO2
H3
CHREG
CHSENSEN
H2
CHSENSEP
H1
DACO_0
A7
B6
DACO_1
DACO_2
A6
DACO_3
C6
C4
DAC_CLK
C5
DAC_DAT
DAC_STR
B5
DCIO
U301
AB3100
AD_OUT
C11
M4
AUXO1_OUT
P4
AUXO2_OUT
A11
BDATA
M5
BEARN_OUT
P5
R321
C302
15
4.7u
4.7u
C306
0.1u
VBAT
C318
10u
C343
KDS221E_RTK
D303
3
A1_C2
2
A2
1
C1
100K
C310
1u
R326
R302
VDD_REF
150K
2.2u
C308
R322
15
VDDD_2V65
VDDH_SMB_2V75
2.2u
C305
TP303
TP308
C324
1u
100K
R325
FB303
VBAT
C356
1u
47p
RTC_GND
C325
C350
VDDE_1V8
12p
Q301
KTN2222AU
C314
0.1u
C337
1u
R311
BATT_GND
FB302
VBAT_D
1u
C311
D1
D2
D3
D4
G1
G2
S1
S2
4.7u
SIA911DJ
Q302
1u
VBAT_D
C342
100K
R320
1u
C309
C344
C347
VDDK_2V75
1u
0.1u
C334
VDIGRAD_1V8
VBAT
22p
47n
C358
VBAT_C
TP309
24K
R316
0.1u
smd_0603h_3_r
C330
C2
INB2
C1
OUT+
D5
OUT-
B5
PGND
C4
PVDD
C5
D4
RXIN+
RXIN-
B4
C3
SCL
B3
SDA
VDD
B1
VSS
A3
U302
MAX9877AEWP_TG45
BIAS
B2
A4
C1N
A5
C1P
GND
D3
A2
HPL
A1
HPR
D2
INA1
D1
INA2
INB1
R308
4.7K
VDDC_2V65
1u
C333
TP305
22p
150
R301
C327
CN301
G1
G2
1
2
3
FB301
2.2u
C304
TP307
C301
0.1u
C321
20p
VDDD_2V65
R319
300K
C340
22p
1u
C353
VBAT
R315
VBAT
0.1
2012
1/4W
1%
X301
32.768KHz
1
2
VBUS
C357
47n
1u
C312
1u
C336
C345
0
R313
VCORE
1u
4.7uH
C323
VDDD_2V65
L301
DNI
2.2u
C303
10u
C319
33u
C335
DNI
0.1u
smd_0603h_3_r
C317
VDDC_2V65
C329
C307
C313
VDDE_1V8
4.7u
1u
USFB13L
D302
TP304
TP306
VDDG_2V85
TP310
C351
0.015u
0
R306
VDDA_2V8
0.025
1%
2012
R310
47
R324
1/4W
47n
C341
0.1u
C320
VDDF_2V5
0.1u
0.1u
C360
smd_0603h_3_r
C332
0.1u
C315
TP302
VDD_REF
VBAT_C
C348
0.015u
1u
3300p
C346
C339
RB521S-30
D301
10u
C316
C326
22p
R314
0
C328
smd_0603h_3_r
0.1u
smd_0603h_3_r
C331
20p
0.1u
VBAT
C322
C349
12p
BDATA
CHS-
FGS+
USW_ID_ADC
PCB_VERSION
PCB_VERSION
EAR_R
FGS-
VBACKUP
MIC1P
MIC1N
VBUS
CHS+
CHREG
DCIO_INT
OTP
SPK_RCV-
ACC_IRQ_n
AMP_I2C_SCL
AMP_i2C_SDA
SPKRP
SPKRN
BEARP
BEARN
EAR_L
HS_EAR_R
HS_EAR_L
SIMRST_n
VDDE_1V8
VCORE
VDDC_2V65
SUB_LED
DB_I2S0_CLK
DB_I2S0_WS
DB_I2S0_ULD
DB_I2S0_DLD
FGS-
FGS+
SIMCLK
ABB_I2S2_WS
MOTOR_PWM
VBAT
TRICKLE
RF_CTRL_CLK
RF_CTRL_DATA
RF_CTRL_STR_1
DCIO_INT
EXT_LDO
KEY_LED2
ABB_I2S2_CLK
ABB_I2S2_ULD
ABB_I2S2_DLD
SPKRN
SPKRP
TRICKLE
VDDA_2V8
CCO1
MIC2P
EAR_R
EAR_L
KEY_LED1
BDATA
CHREG
CHS-
CHS+
DCDC_REF
BIAS_CTRL
TESTOUT
RTEMP
TX_ADC_STRB
ADOUT
VBACKUP
SHARED_I2C_SDA
SHARED_I2C_SCL
ACCSLEEP
APPSLEEP
SYSCLK1
BEARP
BEARN
VDDH_SMB_2V75
SIMDAT
VBUS
RTCCLK
ONSWA_n
VDDD_2V65
VDDF_2V5
VDDG_2V85
VDDK_2V75
VDIGRAD_1V8
DCON
ONSWB_n
APP_IRQ_n
PWRRST_n
SRST_n
SCLK
SDAT
SIMVCC