LG CU575, Руководство по обслуживанию

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LGMC
10
B
LG Electronics Inc.
1
MEMORY (1Gbit 90n NAND FLASH + 512Mbit SDRAM)
A
7
MIC
9
A
2
B
3
4
Select RCV / SPK
C C
1
4 5
3
D
2 8
D
Audio AMP
LGIC(42)-A-5505-10:01
E
5 6
C307
0.1u
C306
0.1u 0.1u
M10
_WED
D6
_WEN
K6
L6
_WP
C305
C6
U6
VSS10
U10
VSS11
VSS12
U13
VSS2
F7
VSS3
G2
VSS4
G13
VSS5
L13
VSS6
P2
P13
VSS7
VSS8
R8
U2
VSS9
_CAS
E6
M9
_CE
E5
_CS
_RAS
D5
_RE
NC94 NC95
R2 R7
NC96 NC97
R9 T2
NC98
T3
NC99
RY__BY
M2
VCCD1
C7
D2
VCCD2
D13
VCCD3
VCCD4
V3
V8
VCCD5
V12
VCCD6
VCCN2
K12
V4
VCCQD1
VCCQD2
V9
VSS1
A14
L14
NC80
NC81
M5
M6
NC82
N2
NC83
N3
NC84 NC85
N4
NC86
N5N6
NC87 NC88
N9
NC89
N10
NC9
B1
N11
NC90 NC91
N12 N13
NC92 NC93
P7 P8
NC65
NC66
K3
NC67
D7
J12
NC68
NC69
K4
NC7
A13
K5
NC70
NC71
K10
K11
NC72
NC73
K13
NC74
K14
L1
NC75
L2
NC76
NC77
L3
L4
NC78
NC79
L5
NC8
NC50 NC51
H2 H3
NC52 NC53
H4 H5
NC54 NC55
H6 J2
NC56 NC57
J3
NC58
J4 J5
NC59
A12
NC6
J6
NC60 NC61
J10
J11
NC62
NC63
J13
K1
NC64
K2
NC36
F8
NC37 NC38
F9
F10
NC39
NC4
A4
NC40
F11 F12
NC41 NC42
F13
NC43
G3
NC44
G4
NC45
G5 G6
NC46 NC47
G7 G8
NC48 NC49
G9
NC5
A11
G10
C14
NC22
D1 D14
NC23 NC24
E1
NC25
E7E8
NC26 NC27
E9 E10
NC28 NC29
E11
A3
NC3
E12
NC30 NC31
E13
F2
NC32 NC33
F3 F4
NC34 NC35
F5 F6
W3
NC12
B4
W4
NC120 NC121
W11 W12
NC122 NC123
W13 W14
NC124
NC13
B11
NC14
B12
B13
NC15
NC16
B14
C1
NC17
NC18
C2
NC19
C5
NC2
A2
NC20
C13
NC21
U14 V1
NC105
V2
NC106
V13
NC107 NC108
V14
NC109
Y1
NC11
B3
Y2
NC110 NC111
Y3 Y4
NC112 NC113
Y11 Y12
NC114 NC115
Y13 Y14
NC116 NC117
W1
NC118
W2
NC119
H9
IO16
G11
IO2
M13
IO3
L10
IO4
L12
IO5
J9
IO6
H12
IO7
H10
G12
IO8
IO9
M12
NC1
A1
NC10
B2
NC100
T7
NC101
T13 U1
NC102 NC103
U3
NC104
DQ4
T6
DQ5
DQ6
V6
DQ7
U7
T9
DQ8
DQ9
T10
DQM0
U8
T8
DQM1
DQM2
V7
DQM3
U9
IO1
M11
IO10
L9
IO11
L11
IO12
K9
IO13
H13
IO14
H11
IO15
DQ18
DQ19
R4
T5
DQ2
DQ20
P5
R5
DQ21
P6
DQ22
DQ23
R6
DQ24
P9
DQ25
P10
R10
DQ26
P11
DQ27
R11
DQ28
DQ29
P12
DQ3
V5
R12
DQ30
DQ31
R13
U5
M3
BA0
C4
BA1
D4
CKE
D8
CLE
M4
CLK
C8
U4
DQ0
T4
DQ1
V10
DQ10
DQ11
T11
U11
DQ12
DQ13
V11
T12
DQ14
DQ15
U12
P3
DQ16
R3
DQ17
P4
TY9000A800JOGG
A0
C3
A1
D3
A10
E4
A11
D9
C9
A12
A2
E3
A3
E2
A4
D12
A5
C12
A6
D11
A7
C11
A8
D10
A9
C10
ALE
ERROR01
R829 100K
0.1u C837
R312
51K
10n
C315
C838
PRSB6.8C
VA301
0.1u
2.2K
R308 R307
100K
C314
0.1u
C310
0.1u
VREG_MSMP_2.8V
C309
0.1u
47
R834
22n
C318
15
R837
C321
1u
0.1u
C308
47
R835
U303
SP0204LE5-PB
2
G1
G2
3
G3
5
OUT
1
4
PWR
R306 100K
0.1u
C311
100000pF
C839
C304
3
COM1
COM2
9
6
GND
4
IN1
8
IN2
5
NC1
7
NC2
2
NO1
NO2
10 1
VCC
0.1u
U301
NLAS5223BMNR2G
10u
22n
C317
51K
R314
C319
IN+
A1
IN-
C1
PVDD
B2
VDD
B1
VO+
C3
VO-
A3
_SHDN
C2
EUSY0278601
TPA2010D1YZF U302
A2
GND1
B3
GND2
15
R836
MIC1P
MIC1N
MICBIAS
RCV+
AMP_P
SPK_AMP_EN
+VPWR AMP_N
AMP_SPK-
AMP_SPK-
SDRAM_CAS_N
NAND_CS_N
SDRAM_CS_N(0)
SDRAM_RAS_N
EBI2_OE_N
SDRAM_WE_N
EBI2_WE_N
RESOUT_EBI2_N
VREG_MSMP_2.8V
SPK_SW_ON
EBI2_DATA(15)
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)
EBI2_DATA(14)
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_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)
NAND_ALE
SDRAM_ADDR(13)
SDRAM_ADDR(14)
SDRAM_CLK_EN
NAND_CLE
SDRAM_CLK
SDRAM_DQM(0)
SDRAM_DQM(1)
SDRAM_DQM(2)
SDRAM_DQM(3)
NAND_READY
VREG_MSME_1.8V
+VPWR
RCV-
SPK+
SPK-
SDRAM_DATA(0:31)
SDRAM_DATA(0)
SDRAM_DATA(1)
SDRAM_DATA(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)
SDRAM_DATA(19)
SDRAM_DATA(20)
SDRAM_DATA(21)
SDRAM_DATA(22)
SDRAM_DATA(23)
SDRAM_DATA(24)
SDRAM_DATA(25)
7. CIRCUIT DIAGRAM
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Only for training and service purposes