LG L705i Service Manual page 150

7. CIRCUIT DIAGRAM
1 2 3
A
MIC
SP0204LE5-PB
SUMY0010602
G3
5
PWR
4
B G2
3 C300 0.1u
G1
2
OUT
1 C301 0.1u
MIC300
C302 C304
C303
NA 33p
10u
C
Audio AMP
TPA2005D1ZQYR
R304 C315 22n
R305 51K D1 B4
D HPH_L IN- VDD1
C4
1K
VDD2
B1
C319 22n NC
R306 51K C1
U300
8200p IN+
A4
C318 VO-
A1 D4
SPK_AMP_EN _SD VO+
LOW: SHDN
E
< SIM - 1.8T >
R313
F
4.7K
J300
4 1
C5 C1
5 2
C6 C2
6 3
USIM_P_DATA C7 C3
10 7
GND4 GND1
9 8
GND3 GND2
L300
0
G
H
1 2 3
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 5 6
R300
MICBIAS
0
MIC1N
MIC1P
C305
1u
SELECT_SPK&RCV
C314
0.1u
FB300
HB-1M1005-600JT
RCV_EN: 0 --> NC, 1 --> NO U301
NLAS5223BMNR2G
1 10
+VPWR VCC NO2
R308 10
SPK_RCV-
2 9
SPK_RCV+ NO1 COM2
R309 10
SPK_RCV+
3 8
RCV+
COM1 IN2
TP310 4 7
RCV_EN
IN1 NC2
5 6
NC1 GND
JTAG Connector
0.63T
CN300
G1
1 10
VREG_MSMP_2.7V JTAG_TCK
2 9
JTAG_TDI JTAG_TMS
3 8
VREG_USIM_2.85V JTAG_PS_HOLD JTAG_TRST_N
4 7
USIM_P_RST_N RESET_IN_N JTAG_TDO
5 6
USIM_P_CLK JTAG_RTCK
G2
for FACTORY Line
TP312
UART_TXM
TP313
UART_RXM
TP314
AUTO_BOOT_N
R314
1K
4 5 6
7 8 9
< 2G 16bit LB NAND + 1G 32bit LPSDRAM : Toshiba >
Chip - 0603
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
DQ6
U7
SDRAM_DATA(7)
DQ7
SDRAM_DATA(8) T9
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
R4
SDRAM_DATA(19)
DQ19
SDRAM_DATA(20) P5
DQ20
SDRAM_DATA(21) R5
DQ21
SDRAM_DATA(22) P6
DQ22
SDRAM_DATA(23) R6
DQ23
SDRAM_DATA(24) P9
DQ24
SDRAM_DATA(25) P10
DQ25
SDRAM_DATA(26) R10
DQ26
SDRAM_DATA(27) P11
DQ27
R11
SDRAM_DATA(28)
DQ28
SDRAM_DATA(29) P12
DQ29
R12
SDRAM_DATA(30)
DQ30
SDRAM_DATA(31) R13
DQ31
TP402 U8
SDRAM_DQM(0) DQM0
T8
SDRAM_DQM(1) DQM1
V7
SDRAM_DQM(2) DQM2
U9
SDRAM_DQM(3) DQM3 TYA000BC00HOGG
EBI2_DATA(0:7)
EBI2_DATA(0) TP311 M11
IO1
M13
EBI2_DATA(1)
IO2
EBI2_DATA(2) L10
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
M12
EBI2_DATA(8) IO9
L9
EBI2_DATA(9) IO10
L11
SPK_RCV- EBI2_DATA(10) IO11
K9
EBI2_DATA(11) IO12
H13
RCV- EBI2_DATA(12) IO13
H11
EBI2_DATA(13) IO14
H9
EBI2_DATA(14) IO15
G11
EBI2_DATA(15) IO16
A1
NC1
A2
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
NC18
C5
NC19
C13
NC20
C14
NC21
7 8 9
- 151 -
10 11 12
SDRAM_ADDR(0:12)
TP301
C3 SDRAM_ADDR(0)
A0
D3 SDRAM_ADDR(1)
A1
E3 SDRAM_ADDR(2)
A2
E2 SDRAM_ADDR(3)
A3
D12 SDRAM_ADDR(4)
A4
C12 SDRAM_ADDR(5)
A5
D11 SDRAM_ADDR(6)
A6
C11
SDRAM_ADDR(7)
A7
D10 SDRAM_ADDR(8)
A8
C10 SDRAM_ADDR(9)
A9
E4 SDRAM_ADDR(10)
A10
D9 SDRAM_ADDR(11)
A11
R301
C9 SDRAM_ADDR(12)
A12
47K
L6
_WP RESOUT_EBI2_N
K6
_WEN EBI2_WE_N
D5 TP302
_RAS SDRAM_RAS_N
D6 TP303
_WED SDRAM_WE_N VREG_MSMP_2.7V
TP304
E6
_CAS SDRAM_CAS_N
C8
CLK SDRAM_CLK
E5 TP305
_CS1 SDRAM_CS_N(0)
D7
_CS2
M3 TP306
ALE NAND_ALE
M4 TP307
CLE NAND_CLE
M9
_CE NAND_CS_N
M10
_RE EBI2_OE_N
M2
RY__BY NAND_READY
D8 TP308
CKE SDRAM_CLK_EN
C4 TP309
BA0 SDRAM_ADDR(13)
D4
BA1 SDRAM_ADDR(14)
C7
VCCD1 VREG_MSME_1.8V
D2
VCCD2
D13
VCCD3
V3
U302 VCCD4
V8
VCCD5
V12
VCCD6
V4
VCCQD1
V9
VCCQD2
K12
VCCN2 VREG_MSMP_2.7V
C6
VSS1
F7 C316 C317
VSS2 0.1u 0.01u
G2
VSS3
G13
VSS4
L13
VSS5
P2
VSS6
P13
VSS7
R8
VSS8
U2
VSS9
U6
VSS10
U10
VSS11
U13
VSS12
J12
NC63
J13
NC64
K1
NC65
K2
NC66
K3
NC67
K4
NC68
K5
NC69
K10
NC70
K11
NC71
K13
NC72
K14
NC73
L1
NC74
L2
NC75
L3
NC76
L4
NC77
L5
NC78
L14
NC79
M5
NC80
M6
NC81
N2
NC82
10 11 12
LGE Internal Use Only
A
B
C
D
E
F
G
H