LG 47LD455B, Service Manual

Page: 17 / 42

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.
0.1uF
C4058
FRC_LPLL
0 . 0 4 7 u F C219
0 . 0 4 7 u F C227
FRCVDDC
VDD33
BLM18PG121SN1D
L212
+1.5V_DDR
DDC_SDA_1
SIDEAV_L_IN
0.1uF
C4019
0.1uF
C4056
0.1uF
C4027
VDD33
0.1uF
C291
FRC
0.1uF C4032
10uF
C263
LNA2_CTL
DDC_SCL_2
D2-_HDMI1
33 R257
SCART1_Lout
100 R203
DSUB_B-
0 . 0 4 7 u F C218
COMP2_R_IN
0.1uF
C4011
2 . 2 u F C236
AVDD_DDR0
SC1_R-/COMP1_Pr-
VDD33_DVI
BLM18PG121SN1D
L227
33 R230
TU_SDA
IF_AGC_SEL
D1-_HDMI1
33 R4016
DEMOD_SDA
EPHY_MDIO
SC1_B-/COMP1_Pb-
33 R239
33 R282ETHERNET
33 R255
+3.3V_Normal
SC1/COMP1_L_IN
COMP2_Y-
IF_P_MSTAR
100 R289
0.1uF C4038
TU_CVBS
AVDD_DDR0
+3.3V_Normal
COMP2_Pb-
68 R252
COMP2_L_IN
1000pF
OPT
C264
MODEL_OPT_0
68 R231
+1.26V_VDDC
MVREF AVDD_DDR_FRC
BLM18PG121SN1D
L219
AMP_SDA
33 R285ETHERNET
0 . 0 4 7 u F C222
MODEL_OPT_1
33 R237
1/16W 1K 1% R4014
AUD_SCK
BLM18SG700TN1D
L226
HPD1
24MHz
X201
0.1uF
C283
0.1uF C4009
0.1uF C4002
33 R232
0 . 0 4 7 u F C204
PC_R_IN
0 . 0 4 7 u F C225
SC1_B+/C
0 . 0 4 7 u F
C215
0 . 0 4 7 u F C233
AU25
+1.5V_FRC_DDR
VDD_RSDS
33 R228
AVDD2P5
AVDD25_PGA
AVDD_DDR0
68 R256
33 R253
DDC_SCL_1
BT_LOUT
33 R244
22 R4024
HP_LOUT
ADC2P5
BT_DP
BLM18SG700TN1D
L225
AVDD_DMPLL
D0-_HDMI2
MODEL_OPT_5
2 . 2 u F C4059
SIDE_USB_DM
22
R4018
FRC
DEMOD_SCL
10K
R4023
2 . 2 u F C244
BLM18PG121SN1D
L213
OPT
0.1uF
C4012
0 . 0 4 7 u F C205
AVDD_DDR0
2 . 2 u F C238
EPHY_RXD1
SOC_RESET
+3.3V_Normal
AVDD_DMPLL
0.1uF
C295
0.1uF C4017
MVREF
0.1uF
C4062
0 . 0 4 7 u F C211
0.1uF
C285
0
NON_EU
R236
D1+_HDMI1
COMP2_Pr-
CEC_REMOTE_S7
EPHY_TXD0
0.1uF
C4023
EPHY_TXD1
AV_L_IN
+3.3V_Normal
1000pF
OPT
C203
SC1_CVBS_IN
68 R238
BLM18PG121SN1D
L207
1/10W
0
5%
R4027
100 R201
DSUB_VSYNC
AVDD_DMPLL
0 . 0 4 7 u F C207
AVDD25_PGA
FRC_RESET
33 R278ETHERNET
0 . 0 4 7 u F C230
DSUB_HSYNC
AVDD_DDR1
D0-_HDMI1
FRC_VDD33_DDR
2 . 2 u F C245
DSUB_G-
0.1uF
C286
2 . 2 u F
C237
1000pF C210
C
0 . 1 u F
C4015
0 . 1 u F C258
VDD33
AVDD2P5
33 R249
BLM18PG121SN1D
L209
10K
R4020
0.1uF
C292
0.1uF C294
0 . 0 4 7 u F C226
EPHY_REFCLK
AVDD2P5
2 . 2 u F C243
1uF
C253
CK+_HDMI1
SC1_G-/COMP1_Y-
100 R288
1K
R4019
0 . 0 4 7 u F C221
VDD33
RF_SWITCH_CTL
0.1uF
C4007
PC_L_IN
0 . 0 4 7 u F C208
TP204
100 R204
AU33
+2.5V_Normal
CK-_HDMI1
+2.5V_Normal
+2.5V_Normal
D2+_HDMI1
D0+_HDMI2
0 . 0 4 7 u F C213
0.1uF C4003
68 R254
0 . 0 4 7 u F C229
AVDD_DDR_FRC
+2.5V_Normal
MODEL_OPT_3
SC1_FB
0 . 0 4 7 u F C212
C
SIDEAV_CVBS_IN
2 . 2 u F C247
OPT
AMP_SCL
0.1uF
C4006
1000pF C217
AU33
BLM18PG121SN1D
L222
47 R4002
0.1uF
C280
33 R245
CK-_HDMI2
SPDIF_OUT
EPHY_RXD0
10K
R4006
0.1uF
C4013
10K
R4026
SC1_ID
BT_ON/OFF
BLM18PG121SN1D
FRC
L214
+1.26V_VDDC
100 R202
SC1_SOG_IN
BLM18PG121SN1D
L217
FRC_AVDD
D2-_HDMI2
68 R258
33 R283ETHERNET
BLM18PG121SN1D
L210
FRC
0 . 0 4 7 u F C206
0 . 0 4 7 u F C232
DTV/MNT_VOUT
0.1uF C290
0.1uF
C4026
COMP2_DET
TU_SIF
0 . 0 4 7 u F C231
CK+_HDMI2
0 . 0 4 7 u F C4057
TU_SCL
TP206
0.1uF C4036
68 R233
AUD_LRCH
BLM18PG121SN1D
L221
FRC
VDD33
MIU1VDDC
0.1uF
C4004
FRC
D2+_HDMI2
+1.26V_VDDC
ADC2P5
AUD_LRCK
0.1uF C4008
0.1uF
C298
FRC
0 R243
1/16W 1K 1% R4015
EPHY_CRS_DV
AV_R_IN
BT_DM
D1+_HDMI2
0 . 0 4 7 u F C216
0.1uF
C4041
0.1uF C297
DSUB_R-
1M
R287
SC1_G+/
100 R296
D0+_HDMI1
0 . 1 u F
C256
68 R242
0 . 0 4 7 u F C214
33 R284ETHERNET
EPHY_EN
0.1uF
C4024
2 . 2 u F
OPT
C235
1/10W
0
5%
R4022
BLM18PG121SN1D
L215
HPD2
0.1uF C4028
2 . 2 u F
OPT
C234
IR
0 . 0 2 2 u F
16V
C4065
IF_AGC_MAIN
0 . 1 u F C257
AUD_MASTER_CLK
0.1uF
C296
2 . 2 u F
C239
FRC_AVDD
33 R246
TP205
VDD33_DVI
33 R241
47 R4003
SCART1_Rout
100 R298
OPT
FRC_VDD33_DDR
0 . 1 u F
C4064
IF_N_MSTAR
0.1uF
C4014
33 R248
HP_ROUT
AVDD_DDR1
33 R251
0 R234
2 . 2 u F
C242
+2.5V_Normal
1000pF C224
0 . 0 4 7 u F C209
0 . 1 u F C251
AVDD2P5
SIDEAV_R_IN
0.1uF
C4016
33 R280
ETHERNET
2 . 2 u F
C246
OPT
0 . 0 4 7 u F C223
SIDE_USB_DP
MODEL_OPT_2
2 . 2 u F C4060
SC1_R+/C
TP201
33 R250
22
R4025
BLM18PG121SN1D
L211
68
R240
FRC_LPLL
AV_CVBS_IN
DDC_SDA_2
0 . 1 u F C250
0 . 0 4 7 u F C220
68 R229
+1.26V_VDDC
TP202
AU25
VDD_RSDS
10K
R4017
OPT
0.1uF
C277
BLM18PG121SN1D
L206
0.1uF
C299
BLM18PG121SN1D
L204
FRCVDDC
EPHY_MDC
0.1uF
C4040
TP203
D1-_HDMI2
0 . 1 u F
C288
VDD33
SC1/COMP1_R_IN
0.1uF
C4010
FRC
BLM18SG121TN1D
L202
BLM18SG121TN1D
L223
0 . 1 u F
C4005
TP207
TP208
TP209
TP210
D1+_HDMI3
D0-_HDMI3
HPD3
CK+_HDMI3
CK-_HDMI3
D1-_HDMI3
DDC_SCL_3
D2+_HDMI3
D0+_HDMI3
DDC_SDA_3
D2-_HDMI3
D1-_HDMI4
D2+_HDMI4
HPD4
DDC_SCL_4
D0+_HDMI4
D0-_HDMI4
DDC_SDA_4
D2-_HDMI4
CK+_HDMI4
D1+_HDMI4
CK-_HDMI4
10uF
C275
10uF
C276
10uF
C279
FRC
10uF
C278
10uF
C282
FRC
10uF
C281
10uF
C284
10uF
C287
10uF
C289
10uF
C293
10uF
C4001
10uF
C4018
10uF
C4022
10uF
C4061
10uF
C4063
4 . 7 u F
C249
1uF C4045
0.1uF
C4020
0.1uF
C4025
0.1uF
C4031
MIU1VDDC
VDD33
NEC_SCL
NEC_SDA
0 OPT
R4029
0 OPT R4028
AMP_SCL
AMP_SDA
CHB_CVBS_IN
0 R4032
0 R4033
22 R292
DEMOD_OPT
22 R291 DEMOD_OPT
AV_CVBS_IN2
AV_CVBS_IN2
TP211
1K
NO_FRC
R227
1K
LVDS
R212
1K
FRC
R226
1K
DDR_256MB R209
1K
MINI_LVDS
R211
1K
HD
R207
1K
FHD
R206
1K
DDR_512MB
R208
MODEL_OPT_4
10uF
C4066
BLM18SG700TN1D
L228
MODEL_OPT_5
MODEL_OPT_4
1K
100/120Hz LVDS
R294
1K
50/60Hz LVDS
R297
1K
GIP
R295
1K
NON_GIP
R293
MIU0VDDC
MIU0VDDC
+1.26V_VDDC
10uF
C228
0.1uF
FRC
C240
0.1uF
C241
0.1uF C4042
0.1uF C4046
0.1uF
C4043
0.1uF
C4044
27pF C261
27pF C262
+3.3V_Normal
10K
R205
FRC
3D_POWER_EN
100
3D
R210
/3D_FPGA_RESET
100
3D
R213
4.7uF C268 4.7uF C272
5.6uH L205
CM2012F5R6KT
5.6uH
L203
CM2012F5R6KT
MODEL_OPT_6
1K
LCD
R215
1K
OLED
R214
LGE107D (S7M Divx_Non RM)
IC101
S7M_DIVX
A_RXCP
F1
A_RXCN
F2
A_RX0P
G2
A_RX0N
G3
A_RX1P
H3
A_RX1N
G1
A_RX2P
H1
A_RX2N
H2
DDCDA_DA/GPIO24
F5
DDCDA_CK/GPIO23
F4
HOTPLUGA/GPIO19
E6
B_RXCP
D3
B_RXCN
C1
B_RX0P
D1
B_RX0N
D2
B_RX1P
E2
B_RX1N
E3
B_RX2P
F3
B_RX2N
E1
DDCDB_DA/GPIO26
D4
DDCDB_CK/GPIO25
E4
HOTPLUGB/GPIO20
D5
C_RXCP
AA2
C_RXCN
AA1
C_RX0P
AB1
C_RX0N
AA3
C_RX1P
AB3
C_RX1N
AB2
C_RX2P
AC2
C_RX2N
AC1
DDCDC_DA/GPIO28
AB4
DDCDC_CK/GPIO27
AA4
HOTPLUGC/GPIO21
AC3
D_RXCP
A2
D_RXCN
A3
D_RX0P
B3
D_RX0N
A1
D_RX1P
B1
D_RX1N
B2
D_RX2P
C2
D_RX2N
C3
DDCDD_DA/GPIO30
B4
DDCDD_CK/GPIO29
C4
HOTPLUGD/GPIO22
E5
CEC/GPIO5
D6
HSYNC0
G5
VSYNC0
G6
RIN0P
K1
RIN0M
L3
GIN0P
K3
GIN0M
K2
BIN0P
J 3
BIN0M
J 2
SOGIN0
J 1
HSYNC1
G4
VSYNC1
H6
RIN1P
K5
RIN1M
K4
GIN1P
J 4
GIN1M
K6
BIN1P
H4
BIN1M
J 6
SOGIN1
J 5
HSYNC2
H5
RIN2P
N3
RIN2M
N2
GIN2P
M2
GIN2M
M1
BIN2P
L2
BIN2M
L1
SOGIN2
M3
CVBS0P
N4
CVBS1P
N6
CVBS2P
L4
CVBS3P
L5
CVBS4P
L6
CVBS5P
M4
CVBS6P
M5
CVBS7P
K7
CVBS_OUT1
M6
CVBS_OUT2
M7
VCOM0
N5
VIFP
W2
VIFM
W1
I P
V2
IM
V1
S S I F / S I F P
Y2
SSIF/SIFM
Y1
QP
U3
QM
V3
IFAGC
Y5
RF_TAGC
Y4
TGPIO0/UPGAIN
U1
TGPIO1/DNGAIN
U2
TGPIO2/I2C_CLK
R3
TGPIO3/I2C_SDA
T3
XTALIN
T2
XTALOUT
T1
SPDIF_IN/GPIO177
G14
SPDIF_OUT/GPIO178
G13
DM_P0
B7
DP_P0
A7
DM_P1
AF17
DP_P1
AE17
I2S_IN_BCK/GPIO175
F14
I2S_IN_SD/GPIO176
F13
I2S_IN_WS/GPIO174
F15
I2S_OUT_BCK/GPIO181
D20
I2S_OUT_MCK/GPIO179
E20
I2S_OUT_SD/GPIO182
D19
I2S_OUT_SD1/GPIO183
F18
I2S_OUT_SD2/GPIO184
E18
I2S_OUT_SD3/GPIO185
D18
I2S_OUT_WS/GPIO180
E19
LINE_IN_0L
N1
LINE_IN_0R
P3
LINE_IN_1L
P1
LINE_IN_1R
P2
LINE_IN_2L
P4
LINE_IN_2R
P5
LINE_IN_3L
R6
LINE_IN_3R
T6
LINE_IN_4L
U5
LINE_IN_4R
V5
LINE_IN_5L
U6
LINE_IN_5R
V6
LINE_OUT_0L
U4
LINE_OUT_2L
W3
LINE_OUT_3L
W4
LINE_OUT_0R
V4
LINE_OUT_2R
Y3
LINE_OUT_3R
W5
MIC_DET_IN
R4
MICCM
T5
MICIN
R5
AUCOM
T4
VRM
P7
VAG
R7
VRP
P6
HP_OUT_1L
R1
HP_OUT_1R
R2
ET_RXD0
E21
ET_TXD0
E22
ET_RXD1
D21
ET_TXD1
F21
ET_REFCLK
E23
ET_TX_EN
D22
ET_MDC
F22
ET_MDIO
D23
ET_CRS
F23
AVLINK
F8
IRINT
G8
TESTPIN
K8
RESET
A4
U3_RESET
Y17
LGE107D (S7M Divx_Non RM)
IC101
S7M_DIVX
VDDC_1
H11
VDDC_2
H12
VDDC_3
H13
VDDC_4
H14
VDDC_5
H15
VDDC_6
J 1 2
VDDC_7
J 1 3
VDDC_8
J 1 4
VDDC_9
J 1 5
VDDC_10
J 1 6
VDDC_11
L18
A_DVDD
H16
B_DVDD
K19
FRC_VDDC_0
L19
FRC_VDDC_1
M18
FRC_VDDC_2
M19
FRC_VDDC_3
N18
FRC_VDDC_4
N19
FRC_VDDC_5
N20
FRC_VDDC_6
P18
FRC_VDDC_7
P19
FRC_VDDC_8
P20
U3_DVDD_DDR
Y12
AVDD1P2
J 1 1
DVDD_NODIE
L7
AVDD2P5_ADC_1
H7
AVDD2P5_ADC_2
J 7
AVDD25_REF
J 8
AVDD_AU25
L8
PVDD_1
W15
PVDD_2
Y15
AVDD25_PGA
U8
AVDD_NODIE
M8
AVDD_DVI_1
N9
AVDD_DVI_2
P9
AVDD3P3_CVBS
N8
AVDD_DMPLL
P8
AVDD_AU33
T7
AVDD_EAR33
U7
AVDD33_T
T9
VDDP_1
R8
VDDP_2
R9
VDDP_3
T8
FRC_VD33_2_1
V20
FRC_VD33_2_2
W20
FRC_AVDD_RSDS_1
U19
FRC_AVDD_RSDS_2
U20
FRC_AVDD_RSDS_3
V19
FRC_AVDD
W19
FRC_AVDD_LPLL
U18
FRC_AVDD_MPLL
T20
FRC_VDD33_DDR
Y14
AVDD_MEMPLL
R19
FRC_AVDD_MEMPLL
W14
AVDD_DDR0_D_1
D15
AVDD_DDR0_D_2
D16
AVDD_DDR0_D_3
E15
AVDD_DDR0_D_4
E16
AVDD_DDR0_C
E17
AVDD_DDR1_D_1
F16
AVDD_DDR1_D_2
F17
AVDD_DDR1_D_3
G16
AVDD_DDR1_D_4
G17
AVDD_DDR1_C
H17
FRC_AVDD_DDR_D_1
AB11
FRC_AVDD_DDR_D_2
AB12
FRC_AVDD_DDR_D_3
AC11
FRC_AVDD_DDR_D_4
AC12
FRC_AVDD_DDR_C
AA12
MVREF
G15
NC_1
Y7
NC_2
Y8
GND_1
G18
GND_2
H9
GND_3
H10
GND_4
H18
GND_5
H19
GND_6
J 1 0
GND_7
J 1 7
GND_8
J 1 8
GND_9
J 1 9
GND_10
K9
GND_11
K10
GND_12
K11
GND_13
K12
GND_14
K13
GND_15
K14
GND_16
K15
GND_17
K16
GND_18
K17
GND_19
K18
GND_20
L9
GND_21
L10
GND_22
L11
GND_23
L12
GND_24
L13
GND_25
L14
GND_26
L15
GND_27
L16
GND_28
L17
GND_29
M9
GND_30
M10
GND_31
M11
GND_32
M12
GND_33
M13
GND_34
M14
GND_35
M15
GND_36
M16
GND_37
M17
GND_38
N10
GND_39
N11
GND_40
N12
GND_41
N13
GND_42
N14
GND_43
N15
GND_44
N16
GND_45
N17
GND_46
P10
GND_47
P11
GND_48
P12
GND_49
P13
GND_50
P14
GND_51
P15
GND_52
P16
GND_53
P17
GND_54
R10
GND_55
R11
GND_56
R12
GND_57
R13
GND_58
R14
GND_59
R15
GND_60
R16
GND_61
R17
GND_62
R18
GND_63
T10
GND_64
T11
GND_65
T12
GND_66
T13
GND_67
T14
GND_68
T15
GND_69
T16
GND_70
T17
GND_71
T18
GND_72
T19
GND_73
U10
GND_74
U11
GND_75
U12
GND_76
U13
GND_77
U14
GND_78
U15
GND_79
U16
GND_80
U17
GND_81
V7
GND_82
V8
GND_83
V9
GND_84
V10
GND_85
V11
GND_86
V12
GND_87
V13
GND_88
V14
GND_89
V15
GND_90
V16
GND_91
V17
GND_92
V18
GND_93
W7
GND_94
W8
GND_95
W9
GND_96
W10
GND_97
W11
GND_98
W12
GND_99
W13
GND_100
W16
GND_101
W17
GND_102
W18
GND_103
Y13
GND_104
Y18
GND_105
AA13
GND_106
AB13
GND_107
AC13
GND_FU
J 9
PGA_VCOM
U9
GND_108
D17
GND_109
H23
GND_110
AF13
GP2_Saturn7M
MAIN_2
ANALOG SIF
RMII For Ethernet
RSDS Power OPT
FRC
I2S_I/F
PIN NAME
DSUB
N o r m a l 2 . 5 V
Close to MSTAR
MODEL OPTION
FRC_LPLL:13mA
N o r m a l P o w e r 3 . 3 V
DTV_IF
AVDD_DMPLL/AVDD_NODIE:7.362mA
FRC_MPLL:4mA
AU25:10mA
Close to MSTAR
AVDD_MEMPLL:24mA
F7
VDD33_DVI:163mA
FHD
SCART1_RGB/COMP1
G19
AVDD2P5/ADC2P5:162mA
MODEL_OPT_3
AVDD25_PGA:13mA
C5
VDDC : 2026mA
AVDD_DDR0:55mA
H/P OUT
VDDC 1.26V
PIN NO.
NO FRC MODEL_OPT_0
CVBS In/OUT
AUDIO OUT
TU/DEMOD_I2C
FRC_AVDD:60mA
HD
AUDIO IN
VDD_RSDS:88mA
MODEL_OPT_1
FRC_VDD33_DDR:50mA
COMP2
DDR_512MB
Close to MSTAR
SIDE USB
DDR3 1.5V
VDD33_T/VDDP/U3_VD33_2:47mA
B6
MODEL OPTION
HDMI
AVDD_DDR_FRC:55mA
LOW
AU33:31mA
DDR_256MB
HIGH
MODEL_OPT_2
B/T USB
Close to MSTAR
RSDS Power OPT
AVDD_DDR1:55mA
V e r . 1 . 4
2
MINI LVDS
LVDS
MODEL_OPT_4
MODEL_OPT_5
100/120Hz LVDS E18
GIP NON_GIP D18
50/60Hz LVDS
MODEL_OPT_6
F9 LCD OLED
N O _ F R C : L O W L O W
U 3 _ I N T E R N A L : H I G H L O W
U 3 _ E X T E R N A L : H I G H H I G H
PWIZ TCON with LG FRC : HIGH HIGH
OPT_0 OPT_4
SCART1 L/R out = = > E x t e r n a l S p e a k e r
i n C h i n a C o m m e r c i a l
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only