LG KS20 Operating Instructions Manual page 153

7. CIRCUIT DIAGRAM
1 2 3
TV OUT Filter
A
C300 NA
FI-D2012-153KJT
L302 15uH
TV_OUT VIDEO_IN
B
UART1_TX
UART_SW
BT_UART_RXD
C
D
C314
2.2u
E VUSB_5.0V
VCHG_5.0V
R309 10
1u
C320
F
M7
MPP_1
N5
MPP_2
D8
REMOTE_PWR_ON MPP_3
B12
MPP_4
D4
MSM_USIM_RST
MPP_5
A1
SIM_RST
MPP_6
L12
MPP_7
M11
GSM_PA_DAC_REF MPP_8
K8
C MSM_USIM_CLK MPP_9
K9
SIM_CLK MPP_10
K5
MSM_USIM_DATA MPP_11
K6
SIM_IO MPP_12
M3
MPP_13
N1
MPP_14
N3
MPP_15
M5
MPP_16
B3
MPP_17
D5
MPP_18
F4
MPP_19
G4
MPP_20
J2
MPP_21
K2
Route together MPP_22
H2
USB_ID
L2
CRADLE_USB_DP
D USB_D_P
M2
CRADLE_USB_DN USB_D_M
H4
nUSB_OE1 USB_OE_N
J4
MSM_USB1_VP USB_DAT
K4
MSM_USB1_VM USB_SE0
J10
VMSMP_2.6V SBST
H10
Route together SBCK
K10
PMIC_SSBI
SBDT_SSBI
D10
nPM_INT MSM_INT_N
B6
SPKR_IN_L_M
B7
SPKR_IN_L_P
A6
SPKR_OUT_L_M
A7
SPKR_OUT_L_P
B4
SPKR_IN_R_P
B5
E SPKR_IN_R_M
A4
SPKR_OUT_R_P
A5
SPKR_OUT_R_M
B2
VIDEO_IN VIDEO_IN
75 R315 B1
CVBS VIDEO_OUT
N2
VIB_DRV_ON VIB_DRV_N
E1
KPD_DRV_N
KPD_DRV_N
F1
LCD_DRV_N
H1
FLSH_DRV_N
F
1 2 3
LG(42)-A-5505-10:01
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6 7
UART Switch
Battery Charging Circuit
VBAT
VCHG_5.0V
VUSB_5.0V
ISNS_P
U301
NLAST9431MT
ISNS_M
1 12
NC_A1 COM_D CRADLE_UART_RX
2 11
SAB NO_D0 UART1_RX VPWR
3 10
NO_B0 SCD
4 9
COM_B NC_C1 UART3_TX C304 C305
22u 0.01u
TA OVP Circuit
VADP_5.0V
NUS3065MUTAG
Route together
C313
1u
Place close to PM7540 pins
C317 0.1u
C318 0.1u
C319 0.1u
C321 0.1u
C322 0.1u
C323 0.1u
C324 0.1u
C325 0.1u
C326 0.1u
C327 0.1u
C328 0.1u
C329 0.1u
C330 1000p
C331 4.7u
C332 1000p
C333 4.7u
K1
VSW_5V
J1
VREG_5V 4.7uH L303
N8
VSW_MSMC1
M8
VMSMC1_1.2V_SENSE
VREG_MSMC1 4.7uH L304
N6
VSW_MSMC2
M6
VMSMC2_1.2V_SENSE
VREG_MSMC2 4.7uH L305
N10
VSW_MSME
M9
4.7uH L306
VREG_MSME VMSME_1.8V_SENSE
N4
VSW_PA
M4
VREG_PA VRF_SMPS_SENSE
A2
VREG_GP1
J13
VREG_GP2
N12
VREG_GP3
A9
VREG_GP4
B13
VREF_GP5
E13
VREG_GP6
K13
VREG_MMC
A11
VREG_MSMA
C344 2.2u
G13
VREG_MSME2
U304
H13
VREG_MSMP
A8
PM7540 VREG_RFRX1
A10
VREG_RFRX2
A3
VREG_RFTX
N11
VREG_RUIM1
E12
VREG_SYNT
D13
VREG_TCXO
1u C345
M1
VREG_USB
G1
VREG_WLAN
G12
MIC_BIAS VMIC_BIAS2
A12 R313 121K 1%
REF_ISET
A13
REG_GND
C13 0.1u C356
REF_BYP
H12
TCXO_IN TCXO_PM_19.2MHZ
D9
TCXO_EN TCXO_EN
G10 R314 51
TCXO_OUT PMIC_TCXO
M13
XTAL_IN
N13
XTAL_OUT
K7
SLEEP_CLK SLEEP_CLK
M12
AMUX_OUT AMUX_OUT
Route together
C12
KPD_PWR_N KPDPWR_ON
F10
nPON_RST D310
PON_RESET_N R316
E10
PS_HOLD
1K KDS114E
R317 200K
D311
PG05DBTFC
4 5 6 7
8 9 10 11
U300 NUS3116MTR2G
10 9
P_DRAIN P_COLLECTOR
1 8 CN300
CHG_CTL_N
EMITTER1 BASE1
2 7 21
USB_CTL_N
EMITTER2 BASE2
19
3 6 1
COLLECTOR GATE BAT_FET_N
2
4 5 3
SOURCE DRAIN VBAT
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
22
HSEJ-18S04-25
ENRY0006001
SD12T1G
U302
9
DRAIN_THERMAL D306
8 1
VCC IN
7 2
OUT GND
FL300
6 3 1 2
GATE CNTRL IN OUT VCHG_5.0V
5 4 3 4
SRC DRAIN G1 G2
NFM21PC105B1A3
Place in PM7540 room at shield edge
These CAPs close to inductors
VMSMC1_1.2V
VMSMC2_1.2V
VMSME_1.8V
VRF_SMPS
VHDAMP_3.0V
VBT_2.6V
VAUX2_2.85V
VBT_CORE_2.6V
VTFLASH_3.0V
VMSMA_2.6V
VMSMP_2.6V
VRUIM_3.0V
VSYNT_2.85V
VTCXO_2.85V
X300 Place crystal and load caps close to PM7540
FC-135
32.768KHz
PS_HOLD
JTAG_PS_HOLD
8 9
- 155 -
12 13 14 15
IO Connector
VMIC_BIAS2
CALL_KEY
L300
2SA2030
68nH
Q300
C360 C301
10u 1u
FM_ANT D300
PG05DBTFC
HS_MIC
CVBS
FB300
HSL
FB301
HSR
0 R305
USC2
0 R306
USC1
nEAR_DET
REMOTE_PWR_ON
CRADLE_UART_TX
CRADLE_UART_RX
D307
6 1
5 2
4 3
PLR0504F
Main Battery Connector
VMSMP_2.6V
CN301
1
VBAT
7
2
6
3
BAT_I2C_SCL
5
BAT_I2C_SDA
4
ENZY0018901
HSBC-4P30-20
USB Switch
Differential lines, Line Width 0.2mm, at intervals of 0.3mm.
Differential lines, route as parallel as possible !! --> USC2, USC1
Differential lines, route as parallel as possible !! --> CRADLE_USB_DP, CRADLE_USB_DN
VPWR
U303 MAX4717ETB+T
11
P_GND
1
V+
10
NO2 REM_ADC
2
nREM_INT
NO1
9
COM2 USC1
3
USC2 COM1
8
IN2 REMOCON_SW
4
IN1
7
CRADLE_USB_DN
NC2
5
CRADLE_USB_DP
NC1
6
GND
LGMC
LGE Internal Use Only
16
A
B
VBAT
VADP_5.0V
VUSB_5.0V
C
D
E
F
C
D
E
LG Electronics Inc.