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LG 42LN549D Service Manual page 23

Chassis : lb3ax

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+3.3V_Normal
+2.5V_Normal
+3.3V_Normal
MODEL OPTION
OS_DualStream(O)/NonOS_ErrorOut(X)
R290
1K
RF_SW_BR_OPT
R203
100
RF_SWITCH_CTL
OS_DualStream(X)/NonOS_ErrorOut(O)
R293
1K
CK+_HDMI1
CK-_HDMI1
D0+_HDMI1
D0-_HDMI1
D1+_HDMI1
D1-_HDMI1
D2+_HDMI1
D2-_HDMI1
DDC_SDA_1
DDC_SCL_1
HPD1
PM_MODEL_OPT_1
CK+_HDMI4
CK-_HDMI4
D0+_HDMI4
D0-_HDMI4
D1+_HDMI4
D1-_HDMI4
D2+_HDMI4
D2-_HDMI4
DDC_SDA_4
DDC_SCL_4
HPD4
CK+_HDMI2
CK-_HDMI2
D0+_HDMI2
D0-_HDMI2
D1+_HDMI2
D1-_HDMI2
D2+_HDMI2
D2-_HDMI2
DDC_SDA_2
DDC_SCL_2
HPD2
CEC_REMOTE_S7
R4024
510
DSUB_HSYNC
R4025
510
DSUB_VSYNC
R228
33
C204
0 . 0 4 7 u F
DSUB_R+
R229
68
C205
0 . 0 4 7 u F
R230
33
C206
0 . 0 4 7 u F
DSUB_G+
R231
68
C207
0 . 0 4 7 u F
R232
33
C208
0 . 0 4 7 u F
DSUB_B+
R233
68
C209
0 . 0 4 7 u F
C210
1000pF
OPT
C217
COMPONENT
COMPONENT
R237
33
C218
COMP2_Pr+
R238
68
C219
COMPONENT
R239
COMPONENT
33
C220
COMP2_Y+/AV_CVBS_IN
R240
68
C221
COMPONENT
R241
COMPONENT
33
C222
COMP2_Pb+
R242
68
C223
C224
COMPONENT
CVBS In/OUT
R244
33
C225
TU_CVBS
R246
33
C227
COMP2_Y+/AV_CVBS_IN
C203
R252
68
C233
0 . 0 4 7 u F
1000pF
OPT
Close to MSTAR
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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
MODEL OPTION
PIN NAME
PIN NO.
HIGH
LOW
MODEL_OPT_0
AB3
FHD
HD
MODEL_OPT_1
PHM_ON
F4
PHM_OFF
MODEL_OPT_2
AB2
NON_DVB_T2
DVB_T2
MODEL_OPT_3
T25
NON_3D
3D
MODEL_OPT_4
U23
NON_OLED
OLED
MODEL_OPT_0
MODEL_OPT_5
NON_DVB_S
T24
MODEL_OPT_1
DVB_S
MODEL_OPT_2
120HZ
MODEL_OPT_6
B8
NON_120HZ
MODEL_OPT_3
MODEL_OPT_4
OS:NON_DualStream
OS:DualStream
MODEL_OPT_7
A8
MODEL_OPT_5
NonOS:ErrorOut
NonOS:NON_ErrorOut
MODEL_OPT_6
* 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
MODEL_OPT_7
Close to MSTAR
R288
HALF_NIM/EU_NON_T2
R289
HALF_NIM/EU_NON_T2
IC101
LGE2111A-T8
C250
S7LR2_DIVX_MS10
C251
J 2
AC4
RXACKP
VIFP
ANALOG SIF
J 3
AD3
RXACKN
VIFM
Close to MSTAR
K3
RXA0P
J 1
AC3
RXA0N
I P
K2
AE3
+3.3V_Normal
RXA1P
IM
K1
RXA1N
L2
AD4
RXA2P
SIFP
L3
AC5
RXA2N
SIFM
T5
HALF_NIM/EU_NON_T2
DDCDA_DA/GPIO24
T4
DDCDA_CK/GPIO23
V5
HOTPLUGA/GPIO19
AD2
IF_AGC
AE2
RF_AGC
TUNER_I2C
AE6
TU_SCL
I2C_SCKM1/GPIO75
AD6
I2C_SDAM1/GPIO76
TU_SDA
AD1
XIN
AC1
X201
XOUT
R5
24MHz
HOTPLUGB/GPIO20
AE9
D7
RXCCKP
SPDIF_IN/GPIO152
AC9
D6
R213
100
RXCCKN
SPDIF_OUT/GPIO153
AC10
RXC0P
AD9
RXC0N
AC11
E3
RXC1P
USB0_DM
AD10
E2
RXC1N
USB0_DP
AE11
RXC2P
AC12
AD11
RXC2N
USB1_DM
AE8
AE12
DDCDC_DA/GPIO28
USB1_DP
AD8
DDCDC_CK/GPIO27
AC8
HOTPLUGC/GPIO21
C8
I2S_IN_BCK/GPIO150
F2
D8
RXDCKP
I2S_IN_SD/GPIO151
D9
F3
RXDCKN
I2S_IN_WS/GPIO149
G3
RXD0P
F1
B10
RXD0N
I2S_OUT_BCK/GPIO156
G2
C9
I2S_OUT_MCK/GPIO154
RXD1P
G1
B9
RXD1N
I2S_OUT_SD/GPIO157
H2
RXD2P
H3
RXD2N
R6
DDCDD_DA/GPIO30
U6
C10
DDCDD_CK/GPIO29
I2S_OUT_WS/GPIO155
P5
HOTPLUGD/GPIO22
R4
CEC/GPIO5
AB9
AUL0
AA11
AUR0
P2
Y9
C246
2 . 2 u F
HSYNC0
AUL1
R3
AA9
C247
2 . 2 u F
VSYNC0
AUR1
N2
AA7
RIN0P
AUL2
P3
AB8
RIN0M
AUR2
N3
Y8
GIN0P
AUL3
N1
Y10
GIN0M
AUR3
M3
AC7
BIN0P
AUL4
M2
AD7
BIN0M
AUR4
M1
SOGIN0
V2
HSYNC1
V3
W6
VSYNC1
AUOUTL0
U3
V6
RIN1P
AUOUTL2
U2
V4
RIN1M
AUOUTL3
T1
Y7
TP208
GIN1P
AUOUTR0
T2
W5
GIN1M
AUOUTR2
R2
U5
BIN1P
AUOUTR3
R1
BIN1M
T3
1000pF
SOGIN1
AA2
HSYNC2
0 . 0 4 7 u F
Y2
RIN2P
0 . 0 4 7 u F
AA3
RIN2M
W2
AD5
0 . 0 4 7 u F
GIN2P
AUVRM
C249
0 . 0 4 7 u F
Y3
C253
GIN2M
4 . 7 u F
C256
C263
0 . 0 4 7 u F
V1
AE5
1uF
10uF
0 . 1 u F
BIN2P
AUVAG
0 . 0 4 7 u F
W3
AC6
BIN2M
AUVRP
1000pF
W1
SOGIN2
AA6
EARPHONE_OUTL
AB6
EARPHONE_OUTR
0 . 0 4 7 u F
AA8
CVBS0
Y4
CVBS1
0 . 0 4 7 u F
W4
C6
CVBS2
ET_RXD[0]/RP/GPIO60
AA5
C5
CVBS3
ET_TXD[0]/TP/GPIO57
Y5
CVBS4
AA4
A6
CVBS5
ET_RXD[1]/RN/GPIO63
C4
Y6
CVBSOUT0
ET_TXD[1]/LED1/GPIO56
AA1
CVBSOUT1
B5
ET_TX_CLK/TN/GPIO59
AB4
C3
VCOM
ET_TX_EN/GPIO58
A3
ET_MDC/GPIO61
B3
ET_MDIO/GPIO62
B4
ET_COL/LED0/GPIO55
N4
IRIN/GPIO4
T6
R210
33
C231
ARC0
N5
HDMI1_ARC
HDMI1_ARC
HWRESET
+1.10V_VDDC
HALF_NIM/ASIA
HALF_NIM/ASIA
C4068-*1
C4069-*1
68pF
68pF
DTV_IF
100
C257
0 . 1 u F
IF_P_MSTAR
HALF_NIM/EU_NON_T2
+3.3V_Normal
C4067
HALF_NIM/EU_NON_T2
C4068
OPT
100pF
100
C258
0 . 1 u F
IF_N_MSTAR
HALF_NIM/EU_NON_T2
HALF_NIM/EU_NON_T2
C4069
100pF
0 . 1 u F
R4002
47
TU_SIF
0 . 1 u F
R4003
47
C264
1000pF
OPT
L227
BLM18PG121SN1D
HALF_NIM/EU_NON_T2
C4064
HALF_NIM/EU_NON_T2
0 . 1 u F
R4019
10K
HALF_NIM/EU_NON_T2
R4004
0
IF_AGC_MAIN
C4065
OPT
0 . 0 4 7 u F
R4001
25V
0
HALF_NIM/EU_NON_T2
Close to MSTAR
C261
22pF
C262
22pF
SPDIF_OUT
USB2_DM
USB2_DP
USB1_DM
USB1_DP
AMP_SCL
AMP_SDA
COMP2_DET
AUD_SCK
AUD_MASTER_CLK_0
AUD_LRCH
I 2 S _ I / F
AUD_LRCK
AUDIO IN
AV_COMP_PC_L_IN
AV_COMP_PC_R_IN
EXT SPEAKER
L203
5.6uH
EXT_SPK
EXT_AMP_L
EXT_SPK
L205
5.6uH
EXT_AMP_R
OPT
OPT
C211
C212
4 . 7 u F
4 . 7 u F
10V
10V
L202
BLM18SG121TN1D
SOC_RESET
SWICH
POWER_DET_RESET
SW200
+3.5V_ST
JTP-1127WEM
RESET_IC_SOC_RESET
R215
470
SWICH
R205
+3.5V_SOC_RESET
100
C202
C200
4 . 7 u F
4 . 7 u F
R217
10V
10V
10
IR
0 . 0 4 7 u F
RESET_IC_SOC_RESET
SOC_RESET
HDMI_ARC
SOC_RESET
C201
R200
62K
0 . 1 u F
+1.10V_VDDC
N o r m a l P o w e r 3 . 3 V
VDD33
L204
BLM18PG121SN1D
AVDD_AU33
L208
BLM18PG121SN1D
C240
C241
0 . 1 u F
0 . 1 u F
N o r m a l 2 . 5 V
+2.5V_Normal
AVDD2P5
L211
BLM18PG121SN1D
C269
C273
C274
10uF
0 . 1 u F
0 . 1 u F
AVDD2P5_MOD
AVDD25_PGA:13mA
L229
BLM18PG121SN1D
C4070
0 . 1 u F
16V
AVDD25_PGA
L219
BLM18PG121SN1D
C4027
0 . 1 u F
L223
AVSS_PGA
BLM18SG121TN1D
C l o s e t o I C w i t h w i d t h t r a c e
DDR3 1.5V
AVDD_DDR0:55mA
+1.5V_DDR
+1.5V_DDR
AVDD_DDR1:55mA
STby 3.5V
+1.10V_VDDC
MIUVDDC
L228
AVDD_NODIE:7.362mA
BLM18PG121SN1D
+3.5V_ST
AVDD_NODIE
C4071
C4062
L206
10uF
0 . 1 u F
BLM18PG121SN1D
C286
C252
0 . 1 u F
0 . 1 u F
POWER,IN/OUT,H/W OPT
IC101
LGE2111A-T8
+1.10V_VDDC
S7LR2_DIVX_MS10
K12
G10
GND_32
AVDDLV_USB
G11
GND_33
G9
G12
VDDC_1
GND_34
H9
G13
VDDC_2
GND_35
K10
G14
VDDC_3
GND_36
K11
G17
VDDC_4
GND_37
L10
G18
VDDC_5
GND_38
M12
G19
VDDC_6
GND_39
M13
G24
VDDC_7
GND_40
N12
H11
VDDC_8
GND_41
P14
H12
VDDC_9
GND_42
P15
H13
VDDC_10
GND_43
R10
H14
VDDC_11
GND_44
R14
H15
FB_CORE
VDDC_12
GND_45
R15
H16
VDDC_13
GND_46
T10
H17
VDDC_14
GND_47
H18
GND_48
H19
GND_49
P10
J 9
AVDD1P0
GND_50
P19
J 1 0
FB_CORE
FB_CORE
GND_51
R16
J 1 1
AVDDL_MOD
GND_52
L11
J 1 2
AVDD10_LAN
GND_53
M14
J 1 3
MIUVDDC
DVDD_DDR
GND_54
J 1 4
GND_55
J 1 5
GND_56
W9
J 1 6
AVDD2P5
AVDD2P5_ADC_1
GND_57
W10
J 1 8
AVDD2P5_ADC_2
GND_58
W11
J 1 9
AVDD2P5_ADC_3
GND_59
W12
J 2 5
AVDD25_REF
GND_60
K9
GND_61
Y17
K13
AVDD25_LAN
GND_62
K14
GND_63
V18
H10
AVDD2P5_MOD
AVDD_MOD_1
GND_64
U19
K18
AVDD_MOD_2
GND_65
K19
GND_66
K22
GND_67
L8
W14
AVDD25_PGA
AVDD25_PGA
GND_68
W15
L9
AVSS_PGA
AVSS_PGA
GND_69
J 8
GND_70
U7
L12
AVDD_NODIE
AVDD_NODIE
GND_71
L13
GND_72
L7
L18
VDD33
AVDD_DVI_USB_1
GND_73
L19
M7
AVDD_DVI_USB_2
GND_74
P7
M8
AVDD3P3_MPLL
GND_75
K8
R7
AVDD_DMPLL
GND_76
M10
GND_77
M11
C4045
1uF
M19
DVDD_NODIE
GND_78
L14
GND_79
M15
V7
AVDD_AU33
AVDD_AU33
GND_80
W7
M16
GND_81
AVDD_EAR33
M18
GND_82
R19
M25
VDD33
GND_83
VDDP_1
T19
N10
VDDP_2
GND_84
N11
GND_85
W18
N13
AVDD_LPLL_1
GND_86
W19
N14
GND_87
AVDD_LPLL_2
N15
GND_88
V19
N16
VDD33
GND_89
VDDP_NAND
N17
GND_90
N19
GND_91
J 1 7
K7
+1.5V_DDR
AVDD_DDR0_D_1
GND_92
K15
P8
AVDD_DDR0_D_2
GND_93
K16
P9
AVDD_DDR0_D_3
GND_94
L15
M9
AVDD_DDR0_C
GND_95
P11
GND_96
K17
P13
AVDD_DDR1_D_1
GND_97
L17
P16
AVDD_DDR1_D_2
GND_98
M17
P17
AVDD_DDR1_D_3
GND_99
L16
P18
AVDD_DDR1_C
GND_100
P12
GND_101
R8
GND_102
E9
R9
GND_EFUSE
GND_103
R11
GND_104
R12
GND_105
A23
R13
GND_1
GND_106
B17
R17
GND_2
GND_107
C23
T8
GND_3
GND_108
A5
T9
GND_4
GND_109
C11
N7
GND_5
GND_110
C19
T11
GND_6
GND_111
C22
T12
GND_7
GND_112
D14
T13
GND_8
GND_113
D18
T14
GND_9
GND_114
D19
T15
GND_10
GND_115
E17
T16
GND_11
GND_116
E18
T17
GND_12
GND_117
E19
U8
GND_13
GND_118
E22
U9
GND_14
GND_119
F8
U10
GND_15
GND_120
U11
F17
GND_16
GND_121
F18
U12
GND_17
GND_122
U13
F19
GND_18
GND_123
G8
U14
GND_19
GND_124
U15
H8
GND_20
GND_125
N22
U16
GND_21
GND_126
U17
N21
GND_22
GND_127
N20
R18
GND_23
GND_128
V9
M22
GND_24
GND_129
M21
V10
GND_130
GND_25
V11
M20
GND_26
GND_131
F10
V12
GND_132
GND_27
V14
V15
GND_28
GND_133
W16
V17
GND_134
GND_29
T7
V8
GND_30
GND_135
T18
E8
GND_136
GND_31
LA2AW
2 0 1 2 . 0 9 . 1 1
2
LGE Internal Use Only

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