LG L705ix Service Manual page 134

7. CIRCUIT DIAGRAM
1005
R202
VREG_MSMP_2.7V VREG_AUDIO_2.7V VREG_AUDIO_2.7V
0
AP_RESET_N
DC/DC for AP131 core (2MHz)
SLEEP_CLK
EBI2_ADDR(1)
1005
R208 EBI2_ADDR(2)
+VPWR EBI2_ADDR(3)
LM3671IMFX-1.2NOPB
0 EBI2_ADDR(4)
U200 L200 2.2uH
EBI2_ADDR(5)
C200
1 5
10u VIN SW VREG_AP_1.2V EBI2_ADDR(6)
MIP2016D2R2M
EBI2_ADDR(7)
ELCP0010001
2
GND C201 EBI2_ADDR(8)
22u EBI2_ADDR(9)
3 4
AP_1.2V_EN EN FB 2012 EBI2_ADDR(10)
EBI2_ADDR(11)
EUSY0227203
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)
EBI2_DATA(15)
Q200
KRX102E
TP219
CLK_19.2M_EN
VREG_MSMP_2.7V VREG_CLK_2.7V
C223
0.1u
TG-5010LH_19_2M_75A
X200 EXSK0007802
1 4
VCONT VCC VREG_CLK_2.7V
2 3
GND OUT 19.2M_CLK C225
0.1u
19.2MHz
< DAC & AMP >
0 R230
VREG_MSME_1.8V VREG_DAC_1.8V
0 R231
VREG_MSMP_2.7V VREG_DAC_2.7V
as short as possible
100p
C227
6.8K
R234
2.2n C230
E1
PLLC
1000 pF C231
F2
19.2M_CLK CLKI
D5
DAC_RESET_N _RST
TP220
E6
I2C_2_SCL SCL
F6 U204
I2C_2_SDA SDA
SPOUT1
YMU800-WZ
G4
R235 R236 I2S_BCLK BCLK0 _SPOUT1_
2.2K 2.2K F5
I2S_LCLK LRCK0 SPOUT2
E5
I2S_DOUT SDIN
VREG_MSMP_2.7V HPOUTL
F3
BCLK1 HPOUTR
G3
LRCK1
F4
SDOUT
E2 _TEST
VREG_DAC_2.7V
VREG_DAC_2.7V
VREG_DAC_1.8V
0 R239 R240
VREG_DAC_3.0V
C245 C246 C247
0.1u 0.1u 1u
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3mA Output
< Audio Processor >
- CLK 122~165MHz
R200 100K
TP200 TP201
R201 100K
R203 100K
R204 100K
R205 100K
E3
SD_RSTB AP_SD_RESET_N
TP205 J7
RESET_B
TP204
D4
0 SD_CLKI
H3
CLKIN
F3
R207 SD_CLKO SDCC_CLK
G7
A0
H8 H2
A1 SD_CD
K8 G1 100K R209 0603 100K
A2 SD_WP
J8 G2
A3 SD_CMD SDCC_CMD
H10
A4
H9 F1
A5 SD_DATA0
G9 F2
A6 SD_DATA1
G10 F4
A7 SD_DATA2
TP212 G8 G3
A8 U201 SD_DATA3
TP213 F8
A9
TP214 F9 J10 100K R214
A10 AP131 TM0
K9 100K R215
TM1
A5 EUSY0303401 J9 100K R216
D0 TM2
C5 K2 100K R217
D1 TM3
B6 J2 100K R218
D2 TM4
C6 C8 100K R219
D3 TM5
B7 B3 100K R220
D4 TM6
A7 A9 100K R221
D5 TM7
C7 B9 DNI R222
D6 TM8
C10 B10 100K R223
D7 TM9
C9 A2 100K R224
D8 TM10
D9 F7 0.1u C210
D9 TMPW2
D10 E2 0.1u C211
D10 TMPW3
D8 A1
D11 NC1
D7 K1
D12 NC2
E9 A10
D13 NC3
E8 K10 0603 100K
D14 NC4
E7
D15
VREG_AP_1.2V
VREG_AUDIO_2.7V
R225 0
VREG_AP_1.2V VREG_SD_2.85V
VREG_AP_1.2V VREG_AUDIO_2.7V
Select RCV / SPK
SPK_SW_ON : 0 --> NV (RCV)
U203 SPK_SW_ON : 1 --> NO (SPK)
NLAS5223BMNR2G
R227
GND NC1 RCV+
6 5
15
R228
RCV- NC2 IN1
7 4
Rev 1.3 15
IN2 COM1
8 3
COM2 NO1 SPK_N
9 2
R229
SPK_P NO2 VCC +VPWR
10 1
C226 0
0.1u
SPK_SW_ON
C1
MIN
D1
MIG
D2
MBS
47n C234
D3
AUXL HPH_L
47n C235
C3
AUXR HPH_R
B5
SPK_P
A6
B6
SPK_N
100u C238
C4
HP_L
B4
B1 100u C239
HPC HP_R
C2
VREF
ROHM 2012 100uF Rev_D
C240 C241
0.1u 1u
0
+VPWR
< 2G 16bit LB NAND + 1G 32bit LPSDRAM : Toshiba >
Chip - 0603
SDRAM_DATA(0:31)
TP202
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
SDRAM_DATA(7) U7
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
SDRAM_DATA(19) R4
DQ19
SDRAM_DATA(20) P5
DQ20
SDRAM_DATA(21) R5
DQ21
SDRAM_DATA(22) P6
SDCC_DATA(0) DQ22
SDRAM_DATA(23) R6
SDCC_DATA(1) DQ23
SDRAM_DATA(24) P9
SDCC_DATA(2) DQ24
SDRAM_DATA(25) P10
SDCC_DATA(3) 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
TP217 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) TP218 M11
IO1
EBI2_DATA(1) M13
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
EBI2_DATA(10) IO11
K9
EBI2_DATA(11) IO12
H13
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
SPK_RCV+
< MIC >
SPK_RCV-
SP0204 => 1.25T
SP0204LE5-PB
SUMY0010602
G3 R233
5
PWR MICBIAS
4
G2 0
0.1u C228
3
G1 MIC1N
2
OUT MIC1P
1 0.1u C229
MIC200
Rev C
- 135 -
SDRAM_ADDR(0:12)
TP203
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 47K
C9 SDRAM_ADDR(12)
A12
R206
L6
_WP RESOUT_EBI2_N
K6
_WEN EBI2_WE_N
D5 TP206
_RAS SDRAM_RAS_N
D6 TP207
_WED SDRAM_WE_N VREG_MSMP_2.7V
E6 TP208
_CAS SDRAM_CAS_N
C8
CLK SDRAM_CLK
E5 TP209
_CS1 SDRAM_CS_N(0)
D7
_CS2
M3 TP210
ALE NAND_ALE
M4 TP211
CLE NAND_CLE
M9
_CE NAND_CS_N
M10
_RE EBI2_OE_N
M2
RY__BY NAND_READY
D8 TP215
CKE SDRAM_CLK_EN
C4 TP216
BA0 SDRAM_ADDR(13)
D4
BA1 SDRAM_ADDR(14)
C7
VCCD1 VREG_MSME_1.8V
D2
VCCD2
D13
VCCD3
V3
U202 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
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
OJ200 OJ201 OJ202 OJ203
LGE Internal Use Only