LG KF700 Service Manual page 147

7. CIRCUIT DIAGRAM
1 1 2 2 3 3
A A
PMIC VPWR BYPASS (CMW 1.2)
+VPWR
C400
33u
VDD_MSMC : 4.7uF VDD_MSM : 0.1uF
B B
VDD_MSME : 4.7uF VDD_ANA : 0.1uF
VDD_PA : 4.7uF
VDD_RUIM : 0.1uF
VSW_5V : 4.7uF
VDD_WLAN : 0.1uF
VDD_MAIN : 0.1uF
GSM_PA_PWR_CTL_REF
AMUX_OUT
+5V_PWR
C C
1
ADC_BYP
R405 0 2
VCHG
3
ICHARGE ISNS_P
VBATT
4
CHG_CNT_N
CHG_CTL_N
5
ICHARGEOUT ISNS_M
6
VBAT
7
BATT_FET_N BAT_FET_N
8
FLSH_DRV_N
9
RESET_IN_N PON_RESET_N
C423 1u
10
VREG_USB
11
USB_ID
12
VREG_5V
13
USB_OE_N USB_OE_N
14
VSW_5V
15
USB_CNT_N USB_CTL_N
USB_VBUS 16
USB_VBUS
17
USB_DAT
USB_DAT
18
C426 R412
USB_D+ USB_D_P
19
4.7u 47K
USB_SE0 USB_SE0
20
D D USB_D- USB_D_M
21
GP1_DRV_N(MPP7)
+VPWR
VBATT
R414
100K
PMIC_DIAL_LED_EN
KYPD_LED_EN
PM_ON_SW_N
USIM_P_DATA
4.7u C435
E E L401
ind_2x1_6h1_r
VREG_RF_SMPS
C438 C439 C440
10u 10u 0.1u
VREG_MSMC_1.2V
R416
0
C444
C445
4.7u
1000p
F F
+5V_PWR
USB_VBUS
U403 NUS3116MTR2G
10 9
P_DRAIN P_COLLECTOR
TP400 1 8
EMITTER1 BASE1
TP402 2 7
EMITTER2 BASE2
3 6
G G ICHARGE COLLECTOR GATE
4 5
R424 SOURCE DRAIN
0.1
ICHARGEOUT
+VPWR
BATTERY CHARGING CIRCUIT
H H
1 1 2 3
LGE Internal Use Only
4 4 5 5 6 6
+VPWR
RMT_PWR_ON_N
R403
470K
JTAG_PS_HOLD
D400
63 C418 0.1u
REF_BYP PS_HOLD
62
REF_GND RB521S-30
61 R406 121K C419 1u
REF_ISET
60
V_BACK_UP
VCOIN
59 VREG_MSMA_2.6V
MSM_INT_N PM_INT_N
58
TCXO_IN TCXO_PM
57
PS_HOLD
56
VREG_MSMA
U402 55
TCXO_EN TCXO_EN R408 0
54
VDD_ANA
53 R409 47
PM6650-3P TCXO_OUT BUFF_TCXO
52
VDD_MSM
51 R410
SBST
50
VREG_MSMP
49
SBCK R411
48
VBACKUP
47
SSBDT_PM C424 C425
SBDT X400
46
R413 4.7u
XTAL_OUT 2 4.7u
45
56K
SLEEP_CLK SLEEP_CLK
44
1
XTAL_IN
32.768KHz
43
RUIM_RST(MPP6) USIM_P_RST_N
C427 C428
15p 15p
+VPWR
VREG_USIM_3.0V VREG_MMC_3.0V
USIM_RST_N
USIM_P_CLK
USIM_CLK
USIM_DATA
VREG_MSME_1.8V
C436 C437
4.7uH
2.2u 2.2u
L402 4.7uH
R415 0
C441
1000p
C442
C443
1000p 10u
L403 4.7uH
VBATT
R417 470K
VBAT_SENSE
R418 C446
680K 0.1u
TP401
CHG_CNT_N
VBATT
1 R421 80.6K
TP403 G1
USB_CNT_N
VBAT_TEMP
2
TP404 G2
BATT_FET_N
3
VBATT
C448 HSBC-3P30-20 CN401
C449
10u 0.1u
VBAT_GND
BATTERY CONNECTOR
4 4 5 5 6 6
7 8
VREG_MSMP_2.7V
FB400
C537
2.2u
U400 R1114D181D
1 3
VDD VOUT
4 2
NC GND1
6 5
R400
EAR_MIC_LDO_EN CE GND2 C538 C408
27p DNI 2200
OUT2 IN2
5 4
NC3 NC2
6 3
NC4 NC1
7 2
OUT1 IN1
8 1
NUF2114MN FL400
L400 270nH
CN400
21
19
1
2 FB401
3
4 FB402 1800 C420 DNI
5 FB403 1800
6
7
VREG_MSMP_2.7V 8
9
10
56K 11
12
13
0
14
15
16
17
18
20
22
GU041-18P-E1000
MMI CONNECTOR
+VPWR
VREG_MSMP_2.7V
R419 R420 C447
DNI
VREG_TCXO_2.85V 0.01u
DNI
U404
R422
FSUSB30UMX
VREG_MSMP_2.7V R423
10
0 EAR_SENSE_N SEL HSD1+
0
VBAT_TEMP
9
VCC HSD2+
8
_OE D+
7
RMT_ADC HSD1- GND
6
HSD2- D-
R425
0
USB/REMOCON_SEL
7 7 8 8
- 148 -
9 9 10 10 11 11
EAR_MIC_P
R401 51
C416 33u
HPH_L
C417 33u
HPH_R
R402 51
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
RMT_PWR_ON_N
VCC IN
8 1
DRAIN_THERMAL
9
USB_VBUS
NUS3065MUTAG U401
UART_TX
UART_RX rev.H
1
RMT_INT
Route together
2
USB_D+
D D
3
USB_D-
4
Route together
USB+_RINT
5
USB-_RADC
9 9 10 10 11 11
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
12 12
A A
B B
C C
+5V_PWR
D D
E E
F F
G G
H H
12 12