LG GU280 Service Manual page 111

7. CIRCUIT DIAGRAM
16 15
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SDRAM_DATA[0:15]
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I
H
G
VREG_MSME_1.8V
F
VREG_MSME_1.8V
E
D
MICRO SD
C
MICROSD_DATA[1]
MICROSD_DATA[0]
MICROSD_CMD
MICROSD_DATA[3]
MICROSD_DATA[2]
MICROSD_DETECT
B
A
16 15
LGE Internal Use Only
14 13 12 11 10
MEMORY
NAND 1G/DDR 512M
U401
NANDA9R4N4CZBA5E
TP404
SDRAM_DATA[0] TP401 SDRAM_ADDR[0] SDRAM_ADDR[0:12]
L4 D4
SDRAM_DATA[1] DQ0 A0 SDRAM_ADDR[1]
M4 E4
DQ1 A1
SDRAM_DATA[2] SDRAM_ADDR[2]
TP N4 TP F4
DQ2 A2
SDRAM_DATA[3] SDRAM_ADDR[3]
L5 G4
DQ3 A3
SDRAM_DATA[4] M5 G8 SDRAM_ADDR[4]
SDRAM_DATA[5] DQ4 A4 SDRAM_ADDR[5]
N5 F8
SDRAM_DATA[6] DQ5 A5 SDRAM_ADDR[6]
M6 E8
DQ6 A6
SDRAM_DATA[7] SDRAM_ADDR[7]
N6 D8
DQ7 A7
SDRAM_DATA[8] SDRAM_ADDR[8]
M7 D9
DQ8 A8
SDRAM_DATA[9] SDRAM_ADDR[9]
N7 G7
SDRAM_DATA[10] DQ9 A9 SDRAM_ADDR[10]
L8 G5
SDRAM_DATA[11] DQ10 A10 SDRAM_ADDR[11]
M8 F7
SDRAM_DATA[12] DQ11 A11 SDRAM_ADDR[12]
N8 E7
DQ12 A12
SDRAM_DATA[13]
L9 EBI2_DATA[0:15]
DQ13
SDRAM_DATA[14] EBI2_DATA[0] TP403
M9 P10
SDRAM_DATA[15] DQ14 IO0 EBI2_DATA[1]
N9 N10
DQ15 IO1 EBI2_DATA[2]
M10 TP
IO2 EBI2_DATA[3]
A1 L10
DU3 IO3
EBI2_DATA[4]
A2 F10
DU26 IO4
EBI2_DATA[5]
A3 E10
DU27 IO5 EBI2_DATA[6]
A10 D10
DU28 IO6 EBI2_DATA[7]
A11 C10
DU29 IO7 EBI2_DATA[8]
A12 N11
DU23 IO8
EBI2_DATA[9]
B1 M11
DU21 IO9
EBI2_DATA[10]
B2 L11
DU20 IO10
B3 K11 EBI2_DATA[11]
DU19 IO11 EBI2_DATA[12]
B10 G11
DU18 IO12 EBI2_DATA[13]
B11 F11
DU17 IO13 EBI2_DATA[14]
B12 E11
DU16 IO14
EBI2_DATA[15]
C1 D11
DU15 IO15
C2
NC32
C3 K2
NC1 NC3
C11 K4
NC5 NC7
C12 K5
DU13 NC9
D1 K8
DU14 NC11
D2 K9
NC13 NC14
D3 K10
NC16 NC18
E2 L2
NC20 NC22
E9 M2
SDRAM_ADDR[13] NC24 NC30
F2 N2
NC31 NC38
F9 P1
NC36 DU12
G6 P2
NC39 NC33
G9 P3
NC34 NC41
G10 P11
NC40 NC37
H3 P12
NC35 DU11
H4 R1
NC2 DU10
H5 R2
NC4 DU9
H6 R3
NC6 DU8
H7 R10
NC8 DU22
H8 R11
NC10 DU7
H9 R12
NC12 DU6
H11 T1
VDDF2 DU5
J2 T2
NC15 DU4
J3 T3
NC17 DU24
J4 T10
NC19 DU25
J5 T11
NC21 DU1
J6 T12
NC23 DU2
J7
NC25
J8
NC26
J9 N3
NC27 _WP
J10 F3
NC28 R_ EBI2_OE_N
J11 G3
NC29 E_F EBI2_CS1_N
D5 TP402
E_D SDRAM_CS_N[0]
C4 E3
VDDD1 RB_ NAND_READY
C8 C6 TP
SDRAM_CLK_M
VDDD2 K_
P6 C7
VDDD3 K SDRAM_CLK_P
D7
KE SDRAM_CKE[0]
P4 K3
VDDQD1 CL EBI2_CLE_N
P8 L3
VDDQD2 AL EBI2_ALE_N
M3
EBI2_WE_N
W_F
H2 E6
VDDF1 _CAS SDRAM_OE_N
F6
_RAS SDRAM_ADV_N
C5 L6
VSSD2 LDQS SDRAM_DQS[0]
C9 L7
VSSD1 UDQS SDRAM_DQS[1]
G2 K7
SDRAM_DQM[1]
VSSF1 DQM1
H10 K6
VSSF2 DQM0 SDRAM_DQM[0]
P5 D6
VSSQD1 W_D SDRAM_WE_N
P7 E5 SDRAM_ADDR[14]
VSSQD2 BA0
P9 F5
VSSQD3 BA1 SDRAM_ADDR[15]
S401 104042-001
GND
DAT1_2
DUMMY1
DAT0
VSS
MICROSD_CLK CLK
VDD
CMD
CD_DAT3
DUMMY2
DAT2 REVERSE Type 1.78t
DETECT_A
Default : Low
DETECT_B
DUMMY3 Active : High
C401
1u
14 13 12 11 10
9 8 7 6
C405
USB_DM
Matched to Curlcord
1u USB_DP
UART1_RX_DATA
UART1_TX_DATA
MIC2P
HPH_OUT_L R405 10
R404 10
HPH_OUT_R
C414 C409
22p 22p
VREG_MSME_1.8V
I2C2_SCL
I2C2_SDA
USW_INT
G2 G1
4 3
OUT IN
2 1
FL401 NFM21PC105B1A3
RESOUT_N
BATT_CONNECTOR
VBATT_GND
VBATT 3
4 2
1
FOR TEMP TEST
CN402 HSBC-3PT25-17N VA404
EVLC14S02050
C416 C412
33u 100n
9 8 7 6
- 112 -
5 4 3 2 1
MUIC1-MAX14526
D2 D5
BAT VB
A4 C5
USW_DM
DN1 COMN1
A5 B5
DP2 COMP2 USW_DP
C411
B3 IC401 B4
U1 UID USW_ID 100n
A3 MAX14526EEWP+TCC6
U2 R414
B1
RES
A1 2.2K
MIC
FB402 600
D4 D1
HB-1M1005-601JT AUD1 CAP
D3
AUD2
FB403 HB-1M1005-601JT C4
600
GND
A2 C3
C406 ISET IC
C428
33p
2.2u
Close by MAX14526
C403
DNI
FM_ANT
L401 C402
U402 DNI 0
u-USB 5pin
DRAIN SRC
4 5
CNTRL GATE
3 6
CN401
GND OUT
2 7 6
8
IN VCC
1 8 10
12
DRAIN_THERMAL
9 14
NUS3065MUTAG
1
2
USW_DM
3
USW_DP
4
C429 USW_ID
5
22p FB401 600
HB-1M1005-601JT C410 7
22p 9
11
13
15
Close by uUSB CONN
GU073-5P-SD-E1500
USIM
R412
20K
GCA26A-6S-H16-M-E1500 J401
C5 C1
GND1 VCC
C6 C2
VPP RST USIM_RST
C7 C3
USIM_DATA IO CLK USIM_CLK
C12 C9
GND5 GND2
C11 C10
R408 GND4 GND3
VBATT_TEMP
1K
VA408
EVLC18S02003
5 4 3 2 1
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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