LG GT540 - Page 167

7. CIRCUIT DIAGRAM
- 168 -
LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
K7.4 004R
U402
9 6
53
4
82
71
IN1 OUT1
IN2 OUT2
IC1
OVLO IC2
DNG
DNGP
VA401
TP404
100K
R418
1u
C461
4.7uC421
CN400
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
2.2u
C400
VREG_CAM_AF_2.8V
51K
R421
D400
CN402
21
16 15 14 13 12 11 10 9
8
7654321
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
7654321
LGE Internal Use Only
1u
C402
+VPWR
204R
K2
304R
K2
VREG_MSMP_2.6V
VCHG_VBUS
FL400
1
IN OUT
GND1 GND2
ZD400
U400
5
32
41
VOUTVIN
GNDSTBY
DNGP
USB_3.3V
2.2u
C403
+VPWR
22p
C404
22pC405
0.1u
C406
22pC407
U401
B5
C5
2B
1C 2C
C3 A2
C4
D3
D1 D4
A1
B1
A3
B4 B3
A5
A4
D5 D2
BAT
VB
DN1
DP2
U1UID
U2
RES
MIC
AUD1CAP
AUD2
GND
ISETIC
LCS
ADS
TNI
COMN1
COMP2
750
R404
VREG_MSMA_2.6V
5
0
4R
K074
10
4
DZ
604R
K086
804C
u1.0
K6.08
704R
VBAT
R408
0.1
Q400
5
64
73
82
91
10
DRAIN_B
NC1 COLLECTOR_B
COLLECTOR EMITTER
SOURCE BASE
DRAIN NC2
GATE
VBAT
+VPWR
VCHG_VBUS
10n
C409
C410
22u
C411
2.2u
R409
200K
D401
VREG_MSMP_2.6V
TP402
TP403
0R410
K051 1
14R
4.7
R412
4.7u
L400
L401
4.7u
4.7u
L402
1u
C412
K003 314R
CN401
3
24
1
C413
22p
VCHG_VBUS
C414
1u
VREG_MSMP_2.6V
VREG_MSME_1.8V
C415
0.1u
VREG_LCD_1.8V
VREG_HS_MIC_1.8V
4.7u
L403
VREG_CAM_AVDD_2.7V
C416 0.1u
C417 2.2u
C418
10u
0.1uC419
C420
1n
+VPWR
CM315_12_5PF
32.768KHz
X400
21
VREG_MSME_1.8V
4.7uC456
C422
2.2u
VREG_RFRX1_2.7V
U403
9J 8J 7J 6J 5J 9H 8H 7H 6H 5H 9G 8G 7G 6G 5G 9F 8F 7F 6F 5F 9E 8E 7E 6E 5E
H1
E10F1
F10E1
C12N2
B1
M12B2
K7
A5
N13A4
M13B5
B4
G10A7
D9A6
H12B7
B6
C13
A13D10
A12K10
H10
G12J10
G1
M1K4
D13J4
E12H4
N11M2
A3L2
A10H2
A8
H13K2
G13J2
A11G4
K13F4
E13D5
B13B3
A9M5
N12N3
J13N1
A2M3
K6
M4K5
N4K9
M9K8
N10M11
M6L12
N6A1
M8D4
N8B12
J1D8
K1N5
M7
2G
21D
7
D
8B
01M
6D 9B
21J 31F 21F 21K
7N 9N
01B 31L 11
B
2F 4E 2C 1C 1D 1L 2
D
2E
GHCV
N_LTC
_
GHC
S
UBV
_BS
U
N
_LT
C
_BSU
P_SNSI
M
_SNSI
N_TE
F
_
TAB
TABV
NIO
CV
PUKCAB_V ANA
_
D
DV
E_
1
C_
D
DV
AP_2C_DDV
2P
G_DDV
6PG_DDV 2EMS
M_
D
DV
PMSM_DDV
1FR_DDV 2F
R_
D
DV
M
I
U
R
_
D
DV
RKPS
_L_DDV
RKPS_R_DDV
OXCT_DDV
NALW_DDV
MPP_1
MPP_2 VSW_5V
MPP_3 VREG_5V
MPP_4 VSW_MSMC1
MPP_5 VREG_MSMC1
MPP_6 VSW_MSMC2
MPP_7 VREG_MSMC2
MPP_8 VSW_MSME
MPP_9 VREG_MSME
MPP_10 VSW_PA
MPP_11 VREG_PA
MPP_12
MPP_13 VREG_GP1
MPP_14 VREG_GP2
MPP_15 VREG_GP3
MPP_16 VREG_GP4
MPP_17 VREF_GP5
MPP_18 VREG_GP6
MPP_19 VREG_MMC
MPP_20 VREG_MSMA
MPP_21 VREG_MSME2
MPP_22 VREG_MSMP
VREG_RFRX1
USB_ID VREG_RFRX2
USB_D_P VREG_RFTX
USB_D_M VREG_RUIM1
USB_OE_N VREG_SYNT
USB_DAT VREG_TCXO
USB_SE0 VREG_USB
VREG_WLAN
SBST MIC_BIAS
SBCK
SBDT_SSBI REF_ISET
MSM_INT_N REG_GND
REF_BYP
SPKR_IN_L_M
SPKR_IN_L_P TCXO_IN
SPKR_OUT_L_M TCXO_EN
SPKR_OUT_L_P TCXO_OUT
SPKR_IN_R_P
SPKR_IN_R_M XTAL_IN
SPKR_OUT_R_P XTAL_OUT
SPKR_OUT_R_M
SLEEP_CLK
VIDEO_IN AMUX_OUT
VIDEO_OUT
VIB_DRV_N KPD_PWR_N
KPD_DRV_N PON_RESET_N
LCD_DRV_N PS_HOLD
FLSH_DRV_N
1DNG 2DNG 3DNG 4
D
N
G
5
D
N
G
6DNG 7
DNG
8
D
N
G
9
D
NG
01DNG
11DNG 2
1
D
N
G
31
D
N
G
41
D
NG
51DNG 61
D
N
G
7
1
D
N
G
81DNG 91DNG 0
2
D
N
G
1
2
D
N
G
22DNG 32DNG 42DNG
52DNG
R414 121K
C423
33p
C424 0.1u
C425
2.2u
VREG_TCXO_2.85V
R415 51
1n
C426
2.2u
C427
2.2u
C428
1nC429
K01
614R
C430
2.2u
VBAT
VREG_MSMC1_1.25V
VREG_MMC_3.0V
VCHG_VBUS
C431
33p
1n
C432
C433 1n
C434 0.1u
VREG_RUIM_3.0V
C435
2.2u
4.7u
C436
VREG_CAM_IOVDD_2.6V
2.2u
C437
1K
R417
C438 0.1u
VREG_MSMA_2.6V
10u
C439
C440
2.2u
VREG_MSMC2_1.25V
VRF_SMPS_2.1V
0.1uC441
0.1uC442
C443
1n
C444
1u1u
C445
VREG_MSMP_2.6V
4.7u
C446
0.1uC447
C448
4.7u
C449
2.2u 2.2u
C450
VREG_COMPASS_2.6V
C452
4.7u
C453 0.1u
C454 0.1u
C455 0.1u
C457 0.1u
VREG_AUX2_2.9V
VREG_HPVDD_1.8V
VREG_CAM_DVDD_1.2V
VREG_LCD_2.8V
2.2u
C458
33u
C459
2.2u
C460
GND
PS_HOLD
USBH_DP
USBH_DM
MAX14526_INT
UART3_TX
UART3_RX
nPON_RST
VBAT_SENSE
VBAT_SENSE
PMIC_SSBI
AMUX_OUT
GSM_PA_DAC_REF
MSM_USIM_RST
MSM_USIM_DATA
MSM_USIM_CLK
PM_INT_N
SLEEP_CLK
TCXO_EN
PMIC_TCXO
REMOTE_PWR_ON
TCXO_PM_19.2MHZ
MAX14526_I2C_SCL
MAX14526_I2C_SDA
JTAG_PS_HOLD
VSNS_MSMC2_1.25V
VSNS_MSMC1_1.25V
VSNS_MSME_1.8V
KPD_DRV_N
USB_3.3V_EN
USB_3.3V_EN
SIM_RST
MAX_DP
MAX_DP
MAX_DM
MAX_DM
ISNS_P
P_SNSI
VBAT_TEMP
VBAT_TEMP
BATT_FET_N
N
_
TE
F_TTAB
NIOCV
SIM_CLK
CHG_CTL_N
N_LTC_GHC
USB_ID
USB_ID
PCB_REVISIONPCB_REVISION
SIM_IO
KPD_PWR_N
RWPV+
+VPWR
micro-USB 5pin Braket
1.04V
1.30V
2mm
M_SNSI
430K
R411
300K
0.62V
1.73V
100K
ISNS_M
0.81V
680KRev.1.2
1%
E&J
Rev.1.0
0.16V
2mm
HKAIN0 : PCB Revision Check ADC
150K
150K
Rev.1.1
B&G
C&H
D&I
1.93V
REV
150K
150K
47K
68K
10K
2.13V
R413
150K
A&F
150K
ADC
150K
150K
150K
u-USB Connector
VBUS 2mm
TA OVP Circuit
Place close to PM7540 pins
Route together
USB 3.3V LDO
0.5mm
Battery Charging Circuit
Battery Connector
Rev 1.0
2mm
These CAPs close to inductors
0.5mm
0.5mm
Place in PM7540 room at shield edge
PM7540
Local Ground Plan
0.3mm
rehtegot etuoR
1%
Place crystal and load caps close to PM7540
To Be Changed ENZY0022101