LG KU380 Service Manual page 144

7. CIRCUIT DIAGRAM
1 2 3
A
SDRAM_DATA(0:31)
TP300
SDRAM_DATA(0)
U4
DQ0
SDRAM_DATA(1)
T4
DQ1
SDRAM_DATA(2)
T5
DQ2
SDRAM_DATA(3) V5
DQ3
SDRAM_DATA(4) U5
DQ4
SDRAM_DATA(5)
T6
DQ5
SDRAM_DATA(6)
V6
SDRAM_DATA(7) DQ6
U7
SDRAM_DATA(8) DQ7
T9
B
DQ8
SDRAM_DATA(9) T10
DQ9
SDRAM_DATA(10)
V10
DQ10
SDRAM_DATA(11)
T11
DQ11
SDRAM_DATA(12)
U11
DQ12
SDRAM_DATA(13) V11
DQ13
SDRAM_DATA(14) T12
DQ14
SDRAM_DATA(15)
U12
DQ15
SDRAM_DATA(16)
P3
DQ16
SDRAM_DATA(17)
R3
DQ17
SDRAM_DATA(18)
P4
DQ18
SDRAM_DATA(19) R4
DQ19
SDRAM_DATA(20)
P5
DQ20
SDRAM_DATA(21)
R5
DQ21
SDRAM_DATA(22)
P6
SDRAM_DATA(23) DQ22
R6
SDRAM_DATA(24) DQ23
P9
C
DQ24
SDRAM_DATA(25) P10
DQ25
SDRAM_DATA(26)
R10
DQ26
SDRAM_DATA(27)
P11
DQ27
SDRAM_DATA(28)
R11
DQ28
SDRAM_DATA(29) P12
DQ29
SDRAM_DATA(30) R12
DQ30
SDRAM_DATA(31)
R13
DQ31
TP310 U8
SDRAM_DQM(0) DQM0
T8
U301
SDRAM_DQM(1) DQM1
V7
SDRAM_DQM(2) DQM2
U9
SDRAM_DQM(3) DQM3 TY9000A800KOGG40
EBI2_DATA(0:15)
EBI2_DATA(0)
M11
EBI2_DATA(1) IO1
M13
EBI2_DATA(2) IO2
L10
D
IO3
EBI2_DATA(3) L12
IO4
EBI2_DATA(4)
J9
IO5
EBI2_DATA(5)
H12
IO6
EBI2_DATA(6)
H10
IO7
EBI2_DATA(7) G12
IO8
EBI2_DATA(8) M12
IO9
EBI2_DATA(9)
L9
IO10
EBI2_DATA(10) L11
IO11
EBI2_DATA(11) K9
IO12
EBI2_DATA(12) H13
IO13
EBI2_DATA(13) H11
IO14
EBI2_DATA(14)
H9
IO15
EBI2_DATA(15) G11
IO16
A1
NC1
A2
E
NC2
A3
NC3
A4
NC4
A11
NC5
A12
NC6
A13
NC7
A14
NC8
B1
NC9
B2
NC10
B3
NC11
B4
NC12
B11
NC13
B12
NC14
B13
NC15
B14
NC16
C1
NC17
C2
F
NC18
C5
NC19
C13
NC20
C14
NC21
C
T-FLASH
R314
0
D
C347
0.1u
J301
1 8
DAT2 DAT1
2 7
DAT3 DAT0
MMC_CD
3 6
MMC_CMD CMD VSS
4 5
VDD CLK
9 11
GND1 GND3
10 12
GND2 GND4
E
OJ300 OJ301 OJ302 OJ303
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
SDRAM_ADDR(0:12)
TP301
SDRAM_ADDR(0)
C3
A0
SDRAM_ADDR(1)
D3
A1
SDRAM_ADDR(2)
E3
A2
E2 SDRAM_ADDR(3)
A3
D12 SDRAM_ADDR(4)
A4
SDRAM_ADDR(5)
C12
A5
SDRAM_ADDR(6)
D11
A6 SDRAM_ADDR(7)
C11
A7 SDRAM_ADDR(8)
D10
A8
C10 SDRAM_ADDR(9)
A9
SDRAM_ADDR(10)
E4
A10
SDRAM_ADDR(11)
D9
A11
SDRAM_ADDR(12)
C9
A12
R300 100K
L6
_WP RESOUT_N
VREG_MSMP_2.7V
K6
_WEN EBI2_WE_N
D5 TP302
_RAS SDRAM_RAS_N
D6 TP303
_WED SDRAM_WE_N
E6 TP304
_CAS SDRAM_CAS_N
C8
CLK SDRAM_CLK
E5 TP305
_CS SDRAM_CS_N(0)
M3 TP306
ALE NAND_ALE
M4 TP307
CLE NAND_CLE
M9
_CE NAND_CS_N
M10 TP308
_RE EBI2_OE_N
M2
RY__BY NAND_READY
D8 TP309
CKE SDRAM_CLK_EN
C4
BA0 SDRAM_ADDR(13)
D4
BA1 SDRAM_ADDR(14)
C7
VCCD1 VREG_MSME_1.8V
D2
VCCD2
D13
VCCD3
V3
VCCD4
V8
VCCD5
V12
VCCD6
V4
VCCQD1
V9
VCCQD2
K12
VCCN2 VREG_MSMP_2.7V
C6
VSS1
F7
VSS2
G2
VSS3
G13
VSS4
L13
VSS5
P2
VSS6
P13
VSS7
R8
VSS8
U2
VSS9
U6
VSS10
U10
VSS11
U13
VSS12
J11
NC62
J13
NC63
K1
NC64
K2
NC65
K3
NC66
D7
NC67
J12
NC68
K4
NC69
K5
NC70
K10
NC71
K11
NC72
K13
NC73
K14
NC74
L1
NC75
L2
NC76
L3
NC77
L4
NC78
L5
NC79
L14
NC80
M5
NC81
M6
NC82
N2
NC83
MCP(1Gb NAND +512Mb 1 piece SDRAM)
USIM
VREG_MMC_3.0V
15K
R317
J300 HSSC-8P-18
5 1
GND1 VCC VREG_USIM_2.85V
6 2
VPP RST USIM_P_RST_N
7 3
USIM_P_DATA IO CLK USIM_P_CLK
8 4
MMC_DATA RSV2 RSV1
9 11
GND2 GND5
10 12
MMC_CLK
GND3 GND4
L303
56nH
4 5 6 7
8 9 10 11
1
ADC_BYP
2
+5V_PWR VCHG
3
ICHARGE ISNS_P
4
CHG_CTL_N CHG_CTL_N
5
ICHARGEOUT ISNS_M
6
VBATT VBAT
7
BATT_FET_N BAT_FET_N
8
FLSH_DRV_N
9
RESIN_N PON_RESET_N
10
VREG_USB
C327 1u 11
USB_ID PM6650-2M
12
VREG_5V
13
USB_OE_N
USB_OE_N
14
VSW_5V
15
USB_CTL_N USB_CTL_N
16
USB_VBUS USB_VBUS
17
USB_DAT USB_DAT
18
USB_D+ USB_D_P
19
USB_SE0 USB_SE0
20
USB_D- USB_D_M
21
GP1_DRV_N(MPP7)
R309 2.2K
C331
4.7u
1608
KYBD_BACKLIGHT
PM_ON_SW_N
MOTOR_PWR-
USIM_P_DATA
+VPWR
R311
VREG_RF_SMPS
0
C336 C339 C340 C341
22u 10u 0.1u 1000p
MEMORY
CAMERA LDO
U302 RT9011-MGPQW
1 8
+VPWR VIN VOUT1 VREG_CAM_AVDD_2.8V
2 7
CAM_LDO_EN EN1 VOUT2 VREG_CAM_DVDD_1.8V
3 6
EN2 NC2
4 5
C344 C345 C346
NC1 GND
1u 1u 1u
HALL IC
U303
A3212EELLT-T
VREG_MSMP_2.7V
VDD
G1
OUT G2
SLIDE_DETECT
C348 C349
0.1u 10p
8 9
- 145 -
12 13 14 15
PMIC VPWR BYPASS
VDD_MSMC : 4.7uF VDD_MSM : 0.1uF
VDD_MSME : 4.7uF VDD_ANA : 0.1uF
VDD_PA : 4.7uF VDD_RUIM : 0.1uF
VDD_RF : 0.1uF
VDD_WLAN : 0.1uF
VDD_MAIN : 0.1uF
VDD_SPKR : 0.1uF
+VPWR
C300
33u
1608
REMOTE_PWR_ON
Check if it is LOW enable.
VA300
EVLC18S02003
0.1u C314
63
REF_BYP
62
REF_GND NBL414R-F9J
61 R303 121K BAT300
REF_ISET
60 1%
VCOIN 470K
1u C315
59
MSM_INT_N PM_INT_N
58 R304
TCXO_IN TCXO_PM
D300 RB521S-30
57
PS_HOLD
56
VREG_MSMA
U300 55
TCXO_EN TCXO_EN
54
C320
VDD_ANA +VPWR
51 R306
53
TCXO_OUT TCXO_MSM
4.7u
52
VDD_MSM +VPWR
51 51K R307
VREG_MSMP_2.7V
SBST
50
VREG_MSMP
49 51K R308
SBCK
48 X300
VBACKUP
47
SBDT SSBDT_PM
3
46 4
XTAL_OUT
45 TP311
SLEEP_CLK SLEEP_CLK
44 1 2
XTAL_IN
43
RUIM_RST(MPP6) USIM_P_RST_N
MC-146_7pF
32.768KHz
+VPWR
USIM_RST_N
USIM_P_CLK
USIM_CLK
USIM_DATA
VREG_USIM_2.85V
VREG_MMC_3.0V
C334
C335
2.2u
2.2u
Power Line --> Route carefully!!!!!
Draw the Artwork_line thickly !!!!!
--->> USB_VBUS , FLASH_DRV_N , KPD_DRV_N , KEY_ON_SW_N , MOT_PWR-
Artwork --> Place resistor and capacitor close to PM6650 !!
CHARGER
U304
10 9
VBATT P_DRAIN P_COLLECTOR
1 8
+5V_PWR EMITTER1 BASE1 CHG_CTL_N
2 7
USB_VBUS EMITTER2 BASE2 USB_CTL_N
3 6
ICHARGE COLLECTOR GATE BATT_FET_N
4 5
SOURCE DRAIN VBATT
NUS3116MTR2G
ICHARGEOUT
+VPWR
Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT
LGE Internal Use Only
16
A
B
C
JTAG_PS_HOLD
PS_HOLD
VREG_MSMA_2.6V
VREG_MSMP_2.7V
D
E
F
C
D
E
LG Electronics Inc.