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7. CIRCUIT DIAGRAM
1
1
2
2
3
3
C401 2.2u
R401
47K
+5V_PWR
A
A
ICHARGEOUT
Route with Thick Line ( +VPWR)
SDB1040
D401
BATT_FET_N
VBACK_UP
USB_VBUS
Q401
R404
USB_DET
Rev.C
SI1072X
36K
VREG_MSMC
R407
56K
VREG_ISP_2.8V
VREG_3M_AF_2.8V
VREG_MOT_3.0V
B
B
VREG_MSMA_2.6V
VREG_MSME_1.8V
VREG_MSMP_2.7V
VREG_RF_2.1V
VREG_RF_2.85V
R413
VREG_MSME_1.8V
VREG_MMC_3.0V
VREG_USIM_2.85V
VREG_TCXO_2.85V
VREG_BT_2.85V
C C
TCXO_MSM
32.768KHz
TCXO_BT_PM
1
2
X401
Rev.C
GSM_PA_PWR_CTL_REF
D
D
L402
4.7uH
VREG_MSMC_1.25V
VREG_S2_2.1V
VSW_S2
VREG_S2
C436
C437
100p
10u
L404
4.7uH
VREG_S3_2.7V
VSW_S3
VREG_S3
C447
C448
E
E
100p
10u
F
F
510K
R429
VREG_WCDMA_PA
MIC2238_AAYML
U405
12
1
FB1
FB2
11
2
G
G
EN1
EN2
PA_R0
R426
C458
C459
C457
390p
10
3
R425
100K
PGOOD
AVIN
+VPWR
DNI
100p
470K
9
4
R428
1K
VIN
SW2
L405
8
5
2.2uH
SW1
AGND
C460
6
PGND
DNI
7
13
_FPWM
T_GND
R430
H
H
PAM DCDC
1
1
2
2
3
3
LGE Internal Use Only
4
4
5
5
6
6
PM6658
U402
B5
SPKR_IN_M
C1
B6
VCHG
SPKR_IN_P
TP401
C2
A5
+VPWR
CHG_CTL_N
SPKR_OUT_M
TP402
D1
A6
ISNS_M
SPKR_OUT_P
TP403
D2
K1
ISNS_P
HSET_BIAS
HSET_BIAS
E1
VIB_DRV_N
L3
VBATT
VBAT
R402
E2
L2
BAT_FET_N
MPP3
KYPD_LED_EN
DNI
F2
L1
USB_OVP_G
MPP4
PMIC_DIAL_LED_EN
R403
1K
J10
VCOIN
H1
D4
USB_VBUS
OPT_1
TP404
H8
MSMC=1.2V , S3 = ON , TCXO = BAYPASS
OPT_2
C402
0.1u
F1
VSW_5V
G1
K2
VREG_5V
MPP7
REMOTE_PWR_ON_N
K5
KPD_PWR_N
L4
VSW_MSMC
VSW_MSMC
PM_ON_SW_N
K4
G10
VREG_MSMC
PON_RESET_N
RESET_IN_N
RB521S-30
K7
F10
VSW_S2
VSW_S2
PS_HOLD
DNI
PS_HOLD
L8
VREG_S2
VREG_S2
D402
K6
E8
R408
51K
VSW_S3
VSW_S3
SBST
SBST_CTRL
JTAG_PS_HOLD
R406
L6
F8
R409
51K
VREG_S3
VREG_S3
SBCK
G8
SBDT_SSBI
SSBDT_PM
A3
C10
VREG_GP1
MSM_INT_N
PM_INT_N
A2
VREG_GP2
B1
H2
VREG_GP3
USB_ID
L9
J2
VREG_MMC
USB_D_P
USB_D+
G11
J1
VREG_MSMA
USB_D_M
USB_D-
K8
F4
VREG_MSME
USB_OE_N
USB_OE_N
J11
G4
VREG_MSMP
USB_DAT
USB_DAT
A9
H4
VREG_RFRX1
USB_SE0
USB_SE0
A10
VREG_RFRX2
DNI
A8
D5
VREG_RFTX
MPP11
USIM_DATA
B8
H5
VREG_RFUBM
MPP12
USIM_P_DATA
L10
D6
VREG_RUIM
MPP9
USIM_CLK
A1
H6
VREG_TCXO
MPP10
USIM_P_CLK
C404
1u
G2
D7
+VPWR
VREG_USB
MPP5
USIM_RST_N
B11
H7
VREG_WLAN
MPP6
USIM_P_RST_N
C406
0.1u
C11
A4
REF_BYP
VDD_SPKR
R416
121K
D10
A11
REF_ISET
VDD_WLAN
E10
B2
REF_GND
VDD_MAIN
B3
VDD_GP
C407
E11
B9
33u
TCXO_PM
TCXO_IN
VDD_RF
D11
H11
TP405
DNC
VDD_MSM
D8
K10
TCXO_EN
TCXO_EN_1
VDD_RUIM
R419
51
H10
L5
TCXO_OUT_1
VDD_MSMC
E4
L7
TCXO_EN_2
VDD_S23
B10
TCXO_OUT_2
F11
E5
TCXO_OUT_RF
GND1
L11
E6
XTAL_IN
GND2
K11
E7
XTAL_OUT
GND3
K9
F5
SLEEP_CLK
SLEEP_CLK
GND4
K3
F6
AMUX_OUT
AMUX_OUT
GND5
A7
F7
PA_R0
MPP1
GND6
B7
G5
PA_FET_N
MPP2
GND7
B4
G6
MPP8
GND8
G7
GND9
L403
4.7uH
VSW_MSMC
VREG_MSMC
BATT_FET
C438
C439
C440
100p
33p
4.7u
ICHARGEOUT
+VPWR
S2
S1
BATT_FET_N
G
SIA411DJ
Q402
D5
D4
D3
D2
D1
VBATT
Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT
VREG_MSMP_2.7V
FM_CONTROL
C451
C452
+VPWR
1u
0.01u
21
20
19 18 17
16
C453
10u
1
15
C455
100p
NC1
GND3
2
14
FM_ANT
FMIP
LOUT
FM_AUDIO_L
3
13
RFGND
ROUT
FM_AUDIO_R
4
12
GND1
GND2
5
11
PA_FET_N
_RST
VD
U404
6
7 8
9
10
FM_BUSEN
SI4702-C19-GM
VREG_MSMP_2.7V
FM_I2C_SCL
C461
0.1u
FM_I2C_SDA
SLEEP_CLK
FM RADIO
4
4
5
5
6
6
7
7
8
8
9
9
LGE Internal Use Only
FL401
NUF2116MN
R411
1
8
IN1
OUT1
2
7
2200
NC1
NC4
3
6
NC2
NC3
4
5
IN2
OUT2
R414
51
OUT2
IN2
5
4
NC3
NC2
6
3
NC4
NC1
7
2
R415
51
OUT1
IN1
8
1
NUF2114MN
FL402
L401
270nH
CN401
21
19
1
2
FB401
3
4
FB402
1800
5
FB403
1800
6
7
8
R420
1K
9
10
11
12
13
14
15
16
17
18
20
22
GU041-18P-E1000
MMI CONNECTOR
VBATT
R421
470K
VBAT_SENSE
R422
C449
680K
0.1u
CN402
R423
80.6K
VREG_MSMP_2.7V
VBAT_GND
3
R424
VBAT_TEMP
2
VBAT_TEMP
1
1K
VBATT
HSBC-3P-58-A1
C454
0.01u
BATTERY CONNECTOR
7
7
8
8
9
9
- 158 -
10
10
11
11
12
12
R405
HSET_BIAS
DNI
R412
MICBIAS
0
EAR_MIC_P
C403
10u
HPH_L
C405
10u
HPH_R
VREG_MSMP_2.7V
TA OVP CIRCUIT
FM_ANT
USB+_RINT
SRC
DRAIN
5
4
USB-_RADC
EAR_SENSE_N
GATE
CNTRL
6
3
VBATT
OUT
GND
7
2
REMOTE_PWR_ON_N
VCC
IN
8
1
DRAIN_THERMAL
9
USB_VBUS
NUS3065MUTAG
U401
UART_TX
UART_RX
+5V_PWR
C434
C435
10u
33u
+VPWR
C450
0.01u
U403
FSUSB30UMX
10
1
EAR_SENSE_N
SEL
HSD1+
RMT_INT
Route together
9
2
VCC
HSD2+
USB_D+
8
3
_OE
D+
USB_D-
7
4
RMT_ADC
HSD1-
GND
Route together
USB+_RINT
6
5
HSD2-
D-
USB-_RADC
Removed Short_0ohm
USB/REMOCON_SEL
10
10
11
11
12
12
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
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