LG 32LN549C / 32LN549E (CHASSIS:LJ3AC) Service Manual ▷ View online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
0
.1
u
F
C
26
5
OPT
22pF
C262
0
.1
u
F
C
40
31
OPT
HPD1
1K
R
40
27
O
LE
D
IR
1
0
u
F
C
28
4
1M
R
28
7
0
.1
u
F
C
29
0
O
PT
AVDD_AU33
1
0
u
F
C
22
8
BLM18PG121SN1D
L229
47
R4002
33
R244
0.1uF
C258
HALF_NIM/EU_NON_T2
1K
PH
M
_O
FF
R
21
2
D0+_HDMI4
BLM18PG121SN1D
L204
0.1uF
C240
+1.5V_DDR
TU_SDA
0.1uF
C257
HALF_NIM/EU_NON_T2
MODEL_OPT_0
TP208
0
.1
u
F
C
23
2
OPT
0.1uF
C274
0
.1
u
F
C
40
46
1K
12
0H
Z
R
29
1
1K
R
40
28
D
V
B
_S
IF_P_MSTAR
AVDD2P5
4.7uF
C249
C4067
OPT
OPT
HDMI_ARC
100
R288
HALF_NIM/EU_NON_T2
BLM18PG121SN1D
L208
AUD_LRCK
0.1uF
C4062
D2+_HDMI4
BLM18PG121SN1D
L228
+1.10V_VDDC
D0+_HDMI2
MODEL_OPT_3
AVDD2P5_MOD
+1.10V_VDDC
0
.1
u
F
C
40
07
OPT
MIUVDDC
0.1uF
16V
C4070
D1+_HDMI2
D1+_HDMI1
+3.3V_Normal
DDC_SCL_4
DDC_SCL_2
AVDD_NODIE
0.1uF
C271
OPT
D2-_HDMI1
PM_MODEL_OPT_1
22pF
C261
D2+_HDMI1
IF_N_MSTAR
1K
OS_DualStream(O)/NonOS_ErrorOut(X)
R290
CK+_HDMI1
MODEL_OPT_5
62K
R200
33
R210
HDMI1_ARC
AVDD25_PGA
0
.1
u
F
C
40
11 OPT
BLM18PG121SN1D
L219
33
R246
100pF
C4068
HALF_NIM/EU_NON_T2
100
R289
HALF_NIM/EU_NON_T2
D1-_HDMI1
VDD33
D1-_HDMI2
AUD_LRCH
10uF
C269
D1+_HDMI4
0.1uF
C201
0.1uF
C250
0.047uF
C231
HDMI1_ARC
0
R4004
HALF_NIM/EU_NON_T2
1K
R293
OS_DualStream(X)/NonOS_ErrorOut(O)
1K
FH
D
R
22
7
100
OPT
R4039
0
.1
u
F
C
40
14
OPT
CK-_HDMI1
1K
R
29
4
N
O
N
_1
20
H
Z
0
.1
u
F
C
28
3
HPD2
D0+_HDMI1
HPD4
VDD33
0.1uF
C256
0
R4001
OPT
+2.5V_Normal
AVDD_AU33
MODEL_OPT_1
1K
H
D
R
22
6
1K
N
O
N
_3
D
R
20
7
1K
R
20
9
N
O
N
_D
V
B
_T
2
D2-_HDMI2
1000pF
OPT
C203
68
R252
DDC_SCL_1
MODEL_OPT_4
+1.10V_VDDC
+3.5V_ST
0
.1
u
F
C
29
2 OPT
0.1uF
C252
0
.1
u
F
C
40
43
0
.1
u
F
C
40
06 OPT
CK+_HDMI2
TU_SIF
BLM18PG121SN1D
L227
HALF_NIM/EU_NON_T2
HALF_NIM/EU_NON_T2
AVDD2P5_MOD
0
.1
u
F
C
29
9 OPT
VDD33
0.1uF
C4027
AVSS_PGA
CK-_HDMI4
D0-_HDMI4
1000pF
OPT
C264
CK+_HDMI4
AVSS_PGA
VDD33
AV_CVBS_IN
0
.1
u
F
C
40
25
BLM18PG121SN1D
L206
BLM18PG121SN1D
L211
AMP_SCL
AUD_SCK
+3.5V_ST
D0-_HDMI2
0.047uF
25V
C4065
HALF_NIM/EU_NON_T2
D1-_HDMI4
1
0
u
F
C
27
8
AVDD_MIU
0
.1
u
F
C
40
09
D0-_HDMI1
CK-_HDMI2
0.1uF
C273
MODEL_OPT_6
SOC_RESET
USB1_DP
100pF
C4069
HALF_NIM/EU_NON_T2
1
0
u
F
C
27
5
1K
R
40
29
N
O
N
_O
LE
D
0.047uF
C227
0.047uF
C233
0.1uF
C270
OPT
47
R4003
1uF
C4045
MODEL_OPT_2
AVDD2P5
+3.3V_Normal
0.1uF
C251
AVDD_NODIE
10uF
C4071
0
.1
u
F
C
40
38
DDC_SDA_4
1K
3D
R
20
6
TU_CVBS
10uF
C263
0
.1
u
F
C
40
24
OPT
0.047uF
C225
1
0
u
F
C
29
3
O
PT
0.1uF
C4064
HALF_NIM/EU_NON_T2
CEC_REMOTE_S7
AUD_MASTER_CLK_0
10K
R4019
HALF_NIM/EU_NON_T2
BLM18PG121SN1D
L209
0
.1
u
F
C
40
19 OPT
AMP_SDA
5.6uH
L203
EXT_SPK
BLM18SG121TN1D
L223
0
.1
u
F
C
40
20
BLM18SG121TN1D
L202
+3.3V_Normal
1
0
u
F
C
27
6
OPT
IF_AGC_MAIN
D2-_HDMI4
MODEL_OPT_7
+1.10V_VDDC
DDC_SDA_1
1
0
u
F
C
28
1
O
PT
1K
PH
M
_O
N
R
21
1
TU_SCL
0
.1
u
F
C
40
36
OPT
USB1_DM
1
0
u
F
C
40
01
DDC_SDA_2
0
.1
u
F
C
40
44
0
.1
u
F
C
40
12
1K
R
40
30
N
O
N
_D
V
B
_S
MIUVDDC
0.1uF
C241
0
.1
u
F
C
40
13 OPT
24MHz
X201
0.1uF
C286
SOC_RESET
0
.1
u
F
C
26
7
OPT
AVDD_MIU
AVDD25_PGA
1K
D
V
B
_T
2
R
20
8
FB_CORE
5.6uH
L205
EXT_SPK
D2+_HDMI2
+3.3V_Normal
+2.5V_Normal
FB_CORE
4.7uF
10V
C200
10
R217
1
u
F
C
40
42
1
u
F
C
28
0
1
u
F
C
27
7
1uF
C253
LGE2111A-T8
IC101
S7LR2_DIVX_MS10
RXACKP
J 2
RXACKN
J 3
RXA0P
K3
RXA0N
J 1
RXA1P
K2
RXA1N
K1
RXA2P
L2
RXA2N
L3
DDCDA_DA/GPIO24
T5
DDCDA_CK/GPIO23
T4
HOTPLUGA/GPIO19
V5
HOTPLUGB/GPIO20
R5
RXCCKP
AE9
RXCCKN
AC9
RXC0P
AC10
RXC0N
AD9
RXC1P
AC11
RXC1N
AD10
RXC2P
AE11
RXC2N
AD11
DDCDC_DA/GPIO28
AE8
DDCDC_CK/GPIO27
AD8
HOTPLUGC/GPIO21
AC8
RXDCKP
F2
RXDCKN
F3
RXD0P
G3
RXD0N
F1
RXD1P
G2
RXD1N
G1
RXD2P
H2
RXD2N
H3
DDCDD_DA/GPIO30
R6
DDCDD_CK/GPIO29
U6
HOTPLUGD/GPIO22
P5
CEC/GPIO5
R4
HSYNC0
P2
VSYNC0
R3
RIN0P
N2
RIN0M
P3
GIN0P
N3
GIN0M
N1
BIN0P
M3
BIN0M
M2
SOGIN0
M1
HSYNC1
V2
VSYNC1
V3
RIN1P
U3
RIN1M
U2
GIN1P
T1
GIN1M
T2
BIN1P
R2
BIN1M
R1
SOGIN1
T3
HSYNC2
AA2
RIN2P
Y2
RIN2M
AA3
GIN2P
W2
GIN2M
Y3
BIN2P
V1
BIN2M
W3
SOGIN2
W1
CVBS0
AA8
CVBS1
Y4
CVBS2
W4
CVBS3
AA5
CVBS4
Y5
CVBS5
AA4
CVBSOUT0
Y6
CVBSOUT1
AA1
VCOM
AB4
VIFP
AC4
VIFM
AD3
I P
AC3
IM
AE3
SIFP
AD4
SIFM
AC5
IF_AGC
AD2
RF_AGC
AE2
I2C_SCKM1/GPIO75
AE6
I2C_SDAM1/GPIO76
AD6
XIN
AD1
XOUT
AC1
SPDIF_IN/GPIO152
D7
SPDIF_OUT/GPIO153
D6
USB0_DM
E3
USB0_DP
E2
USB1_DM
AC12
USB1_DP
AE12
I2S_IN_BCK/GPIO150
C8
I2S_IN_SD/GPIO151
D8
I2S_IN_WS/GPIO149
D9
I2S_OUT_BCK/GPIO156
B10
I2S_OUT_MCK/GPIO154
C9
I2S_OUT_SD/GPIO157
B9
I2S_OUT_WS/GPIO155
C10
AUL0
AB9
AUR0
AA11
AUL1
Y9
AUR1
AA9
AUL2
AA7
AUR2
AB8
AUL3
Y8
AUR3
Y10
AUL4
AC7
AUR4
AD7
AUOUTL0
W6
AUOUTL2
V6
AUOUTL3
V4
AUOUTR0
Y7
AUOUTR2
W5
AUOUTR3
U5
AUVRM
AD5
AUVAG
AE5
AUVRP
AC6
EARPHONE_OUTL
AA6
EARPHONE_OUTR
AB6
ET_RXD[0]/RP/GPIO60
C6
ET_TXD[0]/TP/GPIO57
C5
ET_RXD[1]/RN/GPIO63
A6
ET_TXD[1]/LED1/GPIO56
C4
ET_TX_CLK/TN/GPIO59
B5
ET_TX_EN/GPIO58
C3
ET_MDC/GPIO61
A3
ET_MDIO/GPIO62
B3
ET_COL/LED0/GPIO55
B4
IRIN/GPIO4
N4
ARC0
T6
HWRESET
N5
LGE2111A-T8
IC101
S7LR2_DIVX_MS10
AVDDLV_USB
K12
VDDC_1
G9
VDDC_2
H9
VDDC_3
K10
VDDC_4
K11
VDDC_5
L10
VDDC_6
M12
VDDC_7
M13
VDDC_8
N12
VDDC_9
P14
VDDC_10
P15
VDDC_11
R10
VDDC_12
R14
VDDC_13
R15
VDDC_14
T10
AVDD1P0
P10
FB_CORE
P19
AVDDL_MOD
R16
AVDD10_LAN
L11
DVDD_DDR
M14
AVDD2P5_ADC_1
W9
AVDD2P5_ADC_2
W10
AVDD2P5_ADC_3
W11
AVDD25_REF
W12
AVDD25_LAN
Y17
AVDD_MOD_1
V18
AVDD_MOD_2
U19
AVDD25_PGA
W14
AVSS_PGA
W15
AVDD_NODIE
U7
AVDD_DVI_USB_1
L7
AVDD_DVI_USB_2
M7
AVDD3P3_MPLL
P7
AVDD_DMPLL
R7
DVDD_NODIE
M19
AVDD_AU33
V7
AVDD_EAR33
W7
VDDP_1
R19
VDDP_2
T19
AVDD_LPLL_1
W18
AVDD_LPLL_2
W19
VDDP_NAND
V19
AVDD_DDR0_D_1
J17
AVDD_DDR0_D_2
K15
AVDD_DDR0_D_3
K16
AVDD_DDR0_C
L15
AVDD_DDR1_D_1
K17
AVDD_DDR1_D_2
L17
AVDD_DDR1_D_3
M17
AVDD_DDR1_C
L16
GND_EFUSE
E9
GND_1
A23
GND_2
B17
GND_3
C23
GND_4
A5
GND_5
C11
GND_6
C19
GND_7
C22
GND_8
D14
GND_9
D18
GND_10
D19
GND_11
E17
GND_12
E18
GND_13
E19
GND_14
E22
GND_15
F8
GND_16
F17
GND_17
F18
GND_18
F19
GND_19
G8
GND_20
H8
GND_21
N22
GND_22
N21
GND_23
N20
GND_24
M22
GND_25
M21
GND_26
M20
GND_27
F10
GND_28
V15
GND_29
W16
GND_30
V8
GND_31
T18
GND_32
G10
GND_33
G11
GND_34
G12
GND_35
G13
GND_36
G14
GND_37
G17
GND_38
G18
GND_39
G19
GND_40
G24
GND_41
H11
GND_42
H12
GND_43
H13
GND_44
H14
GND_45
H15
GND_46
H16
GND_47
H17
GND_48
H18
GND_49
H19
GND_50
J 9
GND_51
J10
GND_52
J11
GND_53
J12
GND_54
J13
GND_55
J14
GND_56
J15
GND_57
J16
GND_58
J18
GND_59
J19
GND_60
J25
GND_61
K9
GND_62
K13
GND_63
K14
GND_64
H10
GND_65
K18
GND_66
K19
GND_67
K22
GND_68
L8
GND_69
L9
GND_70
J 8
GND_71
L12
GND_72
L13
GND_73
L18
GND_74
L19
GND_75
M8
GND_76
K8
GND_77
M10
GND_78
M11
GND_79
L14
GND_80
M15
GND_81
M16
GND_82
M18
GND_83
M25
GND_84
N10
GND_85
N11
GND_86
N13
GND_87
N14
GND_88
N15
GND_89
N16
GND_90
N17
GND_91
N19
GND_92
K7
GND_93
P8
GND_94
P9
GND_95
M9
GND_96
P11
GND_97
P13
GND_98
P16
GND_99
P17
GND_100
P18
GND_101
P12
GND_102
R8
GND_103
R9
GND_104
R11
GND_105
R12
GND_106
R13
GND_107
R17
GND_108
T8
GND_109
T9
GND_110
N7
GND_111
T11
GND_112
T12
GND_113
T13
GND_114
T14
GND_115
T15
GND_116
T16
GND_117
T17
GND_118
U8
GND_119
U9
GND_120
U10
GND_121
U11
GND_122
U12
GND_123
U13
GND_124
U14
GND_125
U15
GND_126
U16
GND_127
U17
GND_128
R18
GND_129
V9
GND_130
V10
GND_131
V11
GND_132
V12
GND_133
V14
GND_134
V17
GND_135
T7
GND_136
E8
BAW56 GEANDE
D200
68pF
C4068-*1
HALF_NIM/ASIA
68pF
C4069-*1
HALF_NIM/ASIA
EXT_AMP_L
EXT_AMP_R
EXT_AMP_R
AV_COMP_PC_L_IN
AV_COMP_PC_R_IN
AV_COMP_PC_R_IN
4.7uF
10V
OPT
L268
4.7uF
10V
OPT
L272
0
R201
EXT_SPK
0
R202
EXT_SPK
510
R4024
DSUB_R+
DSUB_G+
DSUB_VSYNC
0.047uF
C205
0.047uF
C207
1000pF
C210
33
R228
10
K
R
40
26
0.047uF
C206
68
R229
2
.4
K
R
40
23
68
R233
68
R231
0.047uF
C209
33
R232
DSUB_HSYNC
0.047uF
C208
0.047uF
C204
510
R4025
DSUB_B+
33
R230
OPC&SCANNING_CTRL
2.2uF
C247
2.2uF
C246
USB2_DM
USB2_DP
USB2_DP
100
R213
SPDIF_OUT
100
RF_SW_BR_OPT
R203
RF_SWITCH_CTL
0
OPT
R204
0
OPT
R214
100
R205
SWICH
JTP-1127WEM
SW200
SWICH
1
2
4
3
POWER,IN/OUT,H/W OPT
2
MODEL OPTION
NON_3D
AB3
PIN NO.
MODEL_OPT_3
DVB_T2
DTV_IF
Close to MSTAR
MODEL_OPT_7
AVDD_DDR1:55mA
DVB_S
U23
OLED
PHM_ON
VDDC 1.05V
MODEL_OPT_1
DDR3 1.5V
PIN NAME
SOC_RESET
I2S_I/F
3D
TUNER_I2C
NON_DVB_T2
I
M
D
H
AVDD25_PGA:13mA
AVDD2P5:172mA
NON_DVB_S
AB2
120HZ
AUDIO IN
LOW
HIGH
CVBS In/OUT
ANALOG SIF
Close to MSTAR
B8
A8
PHM_OFF
Close to MSTAR
MODEL_OPT_2
VDDC : 2026mA
F4
Normal 2.5V
MODEL_OPT_6
AVDD_DDR0:55mA
STby 3.5V
MODEL_OPT_5
NON_OLED
NON_120HZ
C l o s e t o I C w i t h w i d t h t r a c e
MODEL OPTION
T25
T24
FHD
Normal Power 3.3V
HD
MODEL_OPT_4
MODEL_OPT_0
AVDD_NODIE:7.362mA
Close to MSTAR
NonOS:ErrorOut
OS:NON_DualStream OS:DualStream
NonOS:NON_ErrorOut
* D u a l S t r e a m i s o n l y K o r e a 3 D s p e c
EXT SPEAKER
B
U
S
D
LA2AW
2 0 1 2 . 0 9 . 1 1
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
/SPI_CS
0
OPT
R304
MMBT3904(NXP)
OPT
Q301
E
B
C
SPI_SCK
0.1uF
S_FLASH_OS
C301
SPI_SDI
/FLASH_WP
MX25L8006EM2I-12G
S_FLASH_OS_MACRONIX
IC301
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
SPI_SDO
33
S_FLASH_OS
R303
4.7K
OPT
R302
+3.5V_ST
+3.5V_ST
10K
OPT
R301
+3.5V_ST
W25Q80BVSSIG
S_FLASH_OS_WINBOND
IC301-*1
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
HOLD[IO3]
8
VCC
3
Serial FLASH
Serial Flash for SPI boot_NON_OS and OS
LA2AW
2 0 1 2 . 0 9 . 1 1
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
100pF
50V
C436
+3.5V_ST
10uF
25V
C431
10K
R426
+3.5V_ST
+24V
22uF
10V
C432
10uF
10V
C425
10K
R454
TH
ER
M
A
L
AP7173-SPG-13 HF(DIODES)
IC404
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
0.1uF
16V
C438
NCP803SN293
IC405
PWR_DET_ON_SEMI
1
GND
3
VCC
2 RESET
POWER_DET
POWER_ON/OFF_1
1/16W 330K 5%
R433
PANEL_VCC
10K
R429
NCP803SN293
IC406
PD_+24V_PWR_DET_ON_SEMI
1
GND
3
VCC
2 RESET
0.1uF
16V
C426
100
R462
PD_+24V
1/16W
27K
1%
1%
R438
10uF
10V
C418
+1.10V_VDDC
L408
0.1uF
16V
C443
NON_CI_CAP
+3.5V_ST
+1.5V_DDR
+12V
0.1uF
16V
C446
+3.3V_Normal
0.1uF
16V
C440
100K
R460
PD_+24V
33K
R435
BLM18PG121SN1D
L410
22uF
10V
C434
PANEL_CTL
001:AL22
10uF
10V
C416
560pF
50V
C433
0.1uF
16V
C417
NON_CI_CAP
+3.5V_ST
+3.5V_ST
0.1uF
16V
C419
NON_CI_CAP
10K
R430
AO3407A
Q406
G
D
S
1/16W
4.7K
1%
R437
15K
R432
0.1uF
16V
C442
4.7uF
16V
C444
FET_AOS
TJ3940S-2.5V-3L
IC402
1
GND
2 VOUT
3
VIN
0.1uF
16V
C430
10K
R452
OPT
THERMAL
TPS54319TRE
IC403
1
VIN_1
3
GND_1
7
C
O
M
P
9
SS/TR
10
PH_1
11
PH_2
12
PH_3
1
3
B
O
O
T
1
4
PW
R
G
D
1
5
EN
1
6
V
IN
_3
5
A
G
N
D
8
R
T
/C
L
K
6
V
SE
N
SE
4
GND_2
2
VIN_2
17
E
P
[G
N
D
]
100K
R457
0.1uF
16V
C421
NON_CI_CAP
+3.3V_Normal
0.1uF
C445
5.6K
R436
+12V
0.1uF
16V
OPT
C447
+3.3V_Normal
10K
R425
10K
OPT
R466
1/16W
56K
1%
1%
R439
10K
R465
OPT
+2.5V_Normal
0.1uF
16V
C441
PD_+24V
100
R461
+3.3V_Normal
22K
R458
10K
R456
1/16W
4.3K
1%
R440
22uF
10V
C439
NR8040T3R6N
3.6uH
L411
APX803D29
PWR_DET_ON_DIODES
IC405-*1
1
GND
3 VCC
2
RESET
APX803D29
PD_+24V_PWR_DET_DIODES
IC406-*1
1
GND
3 VCC
2
RESET
0.01uF
50V
C423
0.01uF
3300pF
50V
C429
3300pF
C427
1.5K
1%
R444
PD_+24V
2.7K
1%
PD_+12V
R450
0
5%
PD_+3.5V
R455
1
R434
8.2K
1%
R443
PD_+24V
0.015uF
50V
C420
0.015uF
MMBT3904(NXP)
Q407
E
B
C
MMBT3904(NXP)
Q405
E
B
C
0.33uF
16V
C422
1.2K
1%
R451
PD_+12V
AO3407A
Q408
FET_AOS
G
D
S
0.1uF
25V
C424
0.1uF
25V
C437
NON_CI_CAP
0.1uF
25V
C435
OPT
10uF
25V
OPT
C428
100
R459
FET_AOS
5.1K
1%
R451-*1
PD_KR_42_LIPS
CIS21J121
120
L409
BLM18SG700TN1D
L412
100
1%
R455-*1
PD_KR_42_LIPS
4.7K
R441-*1
PANEL_DISCHARGE_RES_4.7K
4.7K
R442-*1
PANEL_DISCHARGE_RES_4.7K
AO3435
Q408-*2
FET_2.5V_AOS
G
D
S
DMP2130L
Q408-*1
FET_2.5V_DIODE
G
D
S
2.2K
R459-*1
FET_2.5V
2.2uF
10V
C444-*1
FET_2.5V
5.6K
R441
PANEL_DISCHARGE_RES_5.6K
5.6K
R442
PANEL_DISCHARGE_RES_5.6K
22uF
10V
C448
5.1K
5.1K_PANEL_DISCHARGE
R441-*2
5.1K
5.1K_PANEL_DISCHARGE
R442-*2
10K
R413
PWM_DIM
PWM1
MLB-201209-0120P-N2
L405
+24V
10K
R418
100
T120
R420
+3.5V_ST
SMAW200-H18S1
P401
14
12V
9
24V
4
PDIM#1
18
GND
13
12V
8
GND
3
3.5V
17
GND
12
GND
7
GND
2
DRV ON
16
N.C
11
GND
6
PDIM#2
1
PWR ON
15
12V
10
24V
5
3.5V
19
.
+3.5V_ST
10K
OPT
R406
10K
R417
100
R415
MMBT3904(NXP)
Q401
E
B
C
MLB-201209-0120P-N2
L413
CIC21J501NE
L402
MMBT3904(NXP)
Q403
E
B
C
4.7K
R410
1K
R416
CIC21J501NE
L403
+3.5V_ST
+12V
0.1uF
16V
16V
C403
10K
R409
0.1uF
16V
16V
C407
+3.3V_Normal
INV_CTL
0.1uF
50V
50V
C405
RL_ON
+3.5V_ST
33K
OPT
R414
3.9K
OPT
R419
MMBT3906(NXP)
Q402
1
2
3
10K
R407
100pF
C411
10uF
25V
C402
+5V_USB
22uF
16V
OPT
C410
11K
1%
R411
56K
1%
R408
+12V
0.1uF
50V
C408
3300pF
50V
C406
10K
R405
L401
22uF
16V
C409
1uF
10V
C404
TH
ER
M
A
L
TPS54327DDAR
IC401
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
12K
1%
R412
+5V_Normal
NR8040T3R6N
3.6uH
L404
BLM18PG121SN1D
L406
68uF
35V
C401
EXT_SPK
R2
+1.5V_DDR
New item
Power_DET
+ 2 4 V - - > 3 . 7 8 V - - > 3 . 9 2 V ( 3 . 7 9 V )
+ 1 2 V - - > 3 . 5 8 V - - > 3 . 8 2 V ( 3 . 6 8 V )
+ 1 2 V - - > 3 . 5 8 V - - > 3 . 8 2 V ( 3 . 6 8 V )
Vd=550mV
+2.5V/+1.8V
R1
+3.3V_Normal
Vout=0.8*(1+R1/R2)=1.5319
Vout=0.827*(1+R1/R2)=1.225V
R1
R2
$ 0.165
S 7 L R c o r e 1 . 2 V v o l t
+ 3 . 5 V _ S T - - > 3 . 3 7 5 V - - > 3 . 4 6 V
780 mA
Max 1000mA
+ 1 8 . 5 V - - > 3 . 5 V - - > 3 . 7 5 V ( 3 . 5 9 V )
300 mA
1.5A
PANEL_POWER
3A
+ 2 0 V - - > 3 . 5 1 V - - > 3 . 7 6 V ( 3 . 5 9 V )
POWER
4
FROM LIPS & POWER B/D
LA2AW
2 0 1 2 . 0 9 . 1 1
2000 mA
R1
R2
3A
Vout=(1+R1/R2)*0.765=5.03V
+5V_USB
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