LG CU920 - Circuit Diagrams and Schematics; RF Circuit Diagram Overview

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Select RCV / SPK
MEMORY (1Gbit 90n NAND FLASH + 512Mbit SDRAM)
Audio AMP
0.1u C307
R306
51K
IN-
NC
B1
VDD1
B4
VDD2
C4
VO+
D4
A4
VO-
_SD
A1
0.1u C304
TPA2005D1ZQYRU301
A2
GND1 GND2
A3 B3
GND3 GND4
C2 C3
GND5 GND6
D2 D3
GND7
C1
IN+
D1
100K
VREG_MSMP_2.8V
R304
0.1u C302
C313
22n
R300 10
10R301
C3080.1u
0.1u C303
0.1uF
C309
22n
C312
C310
300K R308
0.01u
C3050.1u
VSS5
L13
P2
VSS6
VSS7
P13
R8
VSS8
VSS9
U2
_CAS
E6
M9
_CE
E5
_CS1
_CS2
D7
D5
_RAS
_RE
M10
_WED
D6
K6
_WEN
L6
_WP
C7
VCCD1
VCCD2
D2
D13
VCCD3
V3
VCCD4
VCCD5
V8
VCCD6
V12
K12
VCCN2
VCCQD1
V4
V9
VCCQD2
VSS1
C6
VSS10
U6
VSS11
U10
U13
VSS12
F7
VSS2
VSS3
G2
G13
VSS4
N6
NC86 NC87
N9 N10
NC88 NC89
N11
B1
NC9
N12
NC90 NC91
N13
NC92
P7 P8
NC93
R2
NC94 NC95
R7
NC96
R9 T2
NC97 NC98
T3
NC99
T7
RY__BY
M2
NC71
K11
NC72
K13
K14
NC73
NC74
L1
L2
NC75
NC76
L3
L4
NC77
NC78
L5
L14
NC79
NC8
A14
M5
NC80
NC81
M6
N2
NC82
NC83
N3 N4
NC84 NC85
N5
NC57
J3
NC58
J4
NC59
J5
NC6
A12
NC60
J6
NC61
J10
NC62
J11
NC63
J12
J13
NC64
NC65
K1
K2
NC66
NC67
K3
K4
NC68
NC69
K5
A13
NC7
K10
NC70
NC42
F13
NC43
G3
NC44
G4
NC45
G5
NC46
G6
NC47
G7
NC48
G8
NC49
G9
A11
NC5
NC50
G10
NC51
H2 H3
NC52 NC53
H4
NC54
H5
NC55
H6
NC56
J2
NC28
E10
NC29
E11
A3
NC3
NC30
E12
NC31
E13
NC32
F2
NC33
F3
NC34
F4
NC35
F5
NC36
F6
NC37
F8
NC38
F9
NC39
F10
NC4
A4
NC40
F11
NC41
F12
B11
NC13
NC14
B12
B13
NC15
NC16
B14
C1
NC17
NC18
C2
C5
NC19
NC2
A2
C13
NC20
NC21
C14
NC22
D1
NC23
D14
NC24
E1
NC25
E7
NC26
E8
NC27
E9
B3
NC11
W3
NC110 NC111
W4 W11
NC112 NC113
W12 W13
NC114 NC115
W14 Y1
NC116 NC117
Y2 Y3
NC118 NC119
Y4
NC12
B4
Y11
NC120 NC121
Y12 Y13
NC122 NC123
Y14
IO6
H12
IO7
H10
IO8
G12
IO9
M12
A1
NC1
NC10
B2
NC100
T13 U1
NC101
U3
NC102 NC103
U14 V1
NC104 NC105
V2 V13
NC106 NC107
V14 W1
NC108 NC109
W2
DQM0
U8
T8
DQM1
V7
DQM2
U9
DQM3
M11
IO1
IO10
L9
IO11
L11
IO12
K9
H13
IO13
IO14
H11
IO15
H9
IO16
G11
M13
IO2
L10
IO3
L12
IO4
J9
IO5
R6
DQ23
DQ24
P9
P10
DQ25
R10
DQ26
DQ27
P11
DQ28
R11
P12
DQ29
V5
DQ3
R12
DQ30
DQ31
R13
U5
DQ4
T6
DQ5
DQ6
V6
U7
DQ7
DQ8
T9
T10
DQ9
DQ0
U4
T4
DQ1
DQ10
V10
DQ11
T11
U11
DQ12
V11
DQ13
T12
DQ14
DQ15
U12
DQ16
P3
DQ17
R3
P4
DQ18
R4
DQ19
DQ2
T5
DQ20
P5
DQ21
R5
P6
DQ22
D9
A11
C9
A12
E3
A2
A3
E2
A4
D12
A5
C12
D11
A6
C11
A7
A8
D10
A9
C10
M3
ALE
BA0
C4
BA1
D4
CKE
D8
CLE
M4
CLK
C8
U302
TYA000BC00HOGG
C3
A0
D3
A1
A10
E4
TP300
51K
R307
0.1u C306
10u
C311
100K R303
10K R302
0.1u
C300
1u
C314
10
NO2 VCC
1
TP301
NLAS5223BMNR2G
U300
COM1
3
9
COM2
GND
6
IN1
4
IN2
8
NC1
5
NC2
7
NO1
2
100K R305
VREG_MSMP_2.8V
C3010.1u
EBI2_DATA(14)
EBI2_DATA(15)
SPK_AMP_EN
+VPWR
AMP_SPK-
AMP_SPK+
AMP_P
AMP_N
EBI2_DATA(0:15)
EBI2_DATA(0)
EBI2_DATA(1)
EBI2_DATA(2)
EBI2_DATA(3)
EBI2_DATA(4)
EBI2_DATA(5)
EBI2_DATA(6)
EBI2_DATA(7)
EBI2_DATA(8)
EBI2_DATA(9)
EBI2_DATA(10)
EBI2_DATA(11)
EBI2_DATA(12)
EBI2_DATA(13)
RESOUT_EBI2_N
EBI2_WE_N
SDRAM_WE_N
SDRAM_CLK
SDRAM_ADDR(13)
SDRAM_ADDR(14)
NAND_ALE
NAND_CLE
NAND_CS_N
EBI2_OE_N
NAND_READY
SDRAM_CLK_EN
VREG_MSME_1.8V
SDRAM_ADDR(3)
SDRAM_ADDR(4)
SDRAM_ADDR(5)
SDRAM_ADDR(6)
SDRAM_ADDR(7)
SDRAM_ADDR(8)
SDRAM_ADDR(9)
SDRAM_ADDR(10)
SDRAM_ADDR(11)
SDRAM_ADDR(12)
SDRAM_DQM(0)
SDRAM_DQM(1)
SDRAM_DQM(2)
SDRAM_DQM(3)
SDRAM_RAS_N
SDRAM_CAS_N
SDRAM_DATA(19)
SDRAM_DATA(20)
SDRAM_DATA(21)
SDRAM_DATA(22)
SDRAM_DATA(23)
SDRAM_DATA(24)
SDRAM_DATA(25)
SDRAM_DATA(26)
SDRAM_DATA(27)
SDRAM_DATA(28)
SDRAM_DATA(29)
SDRAM_DATA(30)
SDRAM_DATA(31)
SDRAM_ADDR(0:12)
SDRAM_ADDR(0)
SDRAM_ADDR(1)
SDRAM_ADDR(2)
SDRAM_DATA(3)
SDRAM_DATA(4)
SDRAM_DATA(5)
SDRAM_DATA(6)
SDRAM_DATA(7)
SDRAM_DATA(8)
SDRAM_DATA(9)
SDRAM_DATA(10)
SDRAM_DATA(11)
SDRAM_DATA(12)
SDRAM_DATA(13)
SDRAM_DATA(14)
SDRAM_DATA(15)
SDRAM_DATA(16)
SDRAM_DATA(17)
SDRAM_DATA(18)
AMP_SPK+
SPK+
SPK-
+VPWR
SPK_SW_ON
AMP_SPK-
RCV-
RCV+
SDRAM_CS_N(0)
SDRAM_DATA(0:31)
SDRAM_DATA(0)
SDRAM_DATA(1)
SDRAM_DATA(2)
7. CIRCUIT DIAGRAM
LGE Internal Use Only
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