Read LG 47LX9550-CA (CHASSIS:LC03M) Service Manual 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.
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.
2009.06.18
BCM3556 VIDEO IN
EUROBBTV
B_VID_INCM
A2.5V
L105
BLM18PG121SN1D
A2.5V
A3.3V
R128
0
C125
0.1uF
C133
0.1uF
L103
BLM18PG121SN1D
A1.2V
L107
BLM18PG121SN1D
R137
10K
C105
OPT
L110
BLM18PG121SN1D
C156
0.1uF
0.1uF
A1.2V
DSUB_B
RGB_VSYNC
C130
0.1uF
A1.2V
R_VID_INCM
C112
0.1uF
0.1uF
SC1_RGB_INCM
C155
0.1uF
0.1uF
C154
0.1uF
0.1uF
L102
BLM18PG121SN1D
A2.5V
COMP2_VID_INCM
C110
0.1uF
A1.2V
G_VID_INCM
C134
0.1uF
C144
0.1uF
C131
0.1uF
D3.3V
A1.2V
L106
BLM18PG121SN1D
BLM18PG121SN1D
C160
0.1uF
0.1uF
C119
0.1uF
DSUB_G
R310
10K
C111
0.1uF
C104
OPT
C150
0.1uF
0.1uF
C157
0.1uF
0.1uF
C113
0.1uF
C124
0.1uF
C151
0.01uF
0.01uF
C117
1000pF
1000pF
C161
0.1uF
0.1uF
C158
1000pF
1000pF
C129
0.1uF
A2.5V
L108
BLM18PG121SN1D
C149
0.01uF
0.01uF
A1.2V
RGB_HSYNC
SPDIF_OUT
C153
0.1uF
0.1uF
C132
0.1uF
C135
0.1uF
C127
0.1uF
R153
499
OPT
C152
0.01uF
0.01uF
R152
499
C120
1000pF
1000pF
C147
0.01uF
0.01uF
C123
0.01uF
0.01uF
C159
1000pF
1000pF
C106
0.1uF
A2.5V
L109
BLM18PG121SN1D
C128
0.1uF
R139
12K
A2.5V
A3.3V
C148
0.01uF
0.01uF
L104
BLM18PG121SN1D
C118
0.01uF
0.01uF
DSUB_R
A2.5V
C121
0.1uF
+5V_NORMAL
R2037
10K
OPT
R2038
10K
10K
R2039
C3006
0.1uF
16V
0.1uF
16V
HDMI_SCL
HDMI_SDA
R307
0
R308
0
R2036
1K
1K
R309
10K
R3055
240
240
OPT
A2.5V
R4020
10K
R4021
12K
C4020
0.1uF
R3056
120
OPT
SC1_FB
SC1_ID
SC1_R
SC1_B
SC1_G
SIDE_AV_CVBS_INCM
SC1_CVBS_INCM
SC1_CVBS_IN
TU_CVBS_INCM
REAR_AV_CVBS_INCM
C100
0.1uF
SCART1_Rout_P
SCART1_Lout_N
SCART1_Rout_N
SCART1_Lout_P
TU_SIF_INCM
TU_SIF
TU_CVBS
HP_LOUT_N
HP_LOUT_P
HP_ROUT_P
HP_ROUT_N
D3.3V
C357
10uF
10V
C267
0.01uF
0.01uF
D1.2V
C320
0.1uF
16V
C319
0.1uF
16V
C284
0.01uF
0.01uF
C286
33uF
D1.8V
C356
0.1uF
16V
C318
0.1uF
16V
C276
0.1uF
0.1uF
C243
0.1uF
0.1uF
C293
0.01uF
0.01uF
C377
0.01uF
0.01uF
C304
0.1uF
16V
D1.2V
C363
0.1uF
16V
C378
0.1uF
0.1uF
C2006
0.01uF
0.01uF
C2003
0.1uF
D1.8V
C216
0.1uF
0.1uF
C275
0.1uF
0.1uF
C374
0.01uF
0.01uF
C294
0.1uF
0.1uF
C274
0.1uF
0.1uF
C255
1000pF
1000pF
C382
0.01uF
0.01uF
C348
0.1uF
16V
C289
0.1uF
0.1uF
C370
0.1uF
0.1uF
C259
1000pF
1000pF
C2004
33uF
C292
1000pF
1000pF
C246
0.01uF
0.01uF
C250
1000pF
1000pF
D1.8V
C281
1000pF
1000pF
C282
1000pF
1000pF
C373
1000pF
1000pF
D3.3V
C290
0.01uF
0.01uF
C375
0.1uF
0.1uF
C272
0.1uF
0.1uF
C248
1000pF
1000pF
R205
20
C364
0.1uF
16V
C371
0.01uF
0.01uF
D1.2V
C366
0.1uF
0.1uF
C365
0.1uF
16V
A3.3V
D1.8V
C383
1000pF
1000pF
C2005
0.01uF
0.01uF
C288
1000pF
1000pF
C268
1000pF
1000pF
C285
0.01uF
0.01uF
C283
1000pF
1000pF
D3.3V
C381
0.1uF
0.1uF
COMP2_Pb
COMP2_Pr
COMP2_Y
AUD_SCK
AUD_LRCK
AUD_LRCH
REAR_AV_CVBS
SIDE_AV_CVBS
C122
4.7uF
4.7uF
C172
4.7uF
4.7uF
C140
4.7uF
4.7uF
C145
4.7uF
4.7uF
C164
10uF
C162
10uF
C165
10uF
C166
10uF
C163
10uF
C380
10uF
C379
10uF
C291
10uF
C263
4.7uF
4.7uF
C245
4.7uF
4.7uF
C280
4.7uF
4.7uF
C278
4.7uF
4.7uF
C297
4.7uF
4.7uF
C266
4.7uF
4.7uF
C369
4.7uF
4.7uF
C376
4.7uF
4.7uF
C249
4.7uF
4.7uF
R142
OPT
R
3
1
3
7
5
1
%
NON_EU
R
3
1
5
7
5
1
%
NON_EU
R131
75
1%
R312
75
1%
R2114
0
C174
0.1uF
C175
0.1uF
C176
0.1uF
SIDE_COMP_Pb
SIDE_COMP_Pr
SIDE_COMP_INCM
SIDE_COMP_Y
R166
75
1%
C177
OPT
R167
75
1%
R120
82
1
%
R165
82
1
%
R2113
12
R2115
12
R143
62
R100
62
R
1
3
5
7
5
1
%
OPT
C170
47pF
C169
47pF
C101
47pF
A3.3V
+3.3V_NORMAL
L112
CIC21J501NE
C2007
0.1uF
16V
0.1uF
16V
+1.8V_HDMI
+1.8V_AMP
C2008
0.1uF
16V
0.1uF
16V
L111
BLM18PG121SN1D
HDMI_RX0+
HDMI_RX0-
HDMI_RX2+
HDMI_RX2-
HDMI_RX1-
HDMI_RX1+
HDMI_CLK-
HDMI_CLK+
SIDE_COMP_Y
SIDE_COMP_Pr
SIDE_COMP_Pb
SIDE_COMP_INCM
TU_IF_AGC_2
TU_IF_P_1
TU_IF_P_1
TU_IF_N_1
TU_IF_AGC_1
TU_IF_N_1
TU_IF_AGC_2
TU_IF_AGC_1
C146
4.7uF
4.7uF
R2035
0
R2117
0
0
R2116
0
OPT
C287
100uF
C384
33uF
10V
10V
IC100
LGE3556C (C0 VERSION)
NON_3DTV
DS_AGCI_CTL
AG28
DS_AGCT_CTL
AH28
EDSAFE_AVSS_1
AA21
EDSAFE_AVSS_2
AB22
EDSAFE_AVSS_3
AF26
EDSAFE_AVSS_4
AF27
EDSAFE_AVSS_5
AF28
EDSAFE_AVDD2P5
AG27
EDSAFE_DVDD1P2
AE26
EDSAFE_IF_N
AE28
EDSAFE_IF_P
AE27
PLL_DS_AGND
AD24
PLL_DS_AVDD1P2
AB19
PLL_DS_TESTOUT
AB25
SD_V5_AVDD1P2
AB18
SD_V5_AVDD2P5
AC17
SD_V5_AVSS
AB17
SD_V1_AVDD1P2
AD14
SD_V1_AVDD2P5
AD16
SD_V1_AVSS_1
AB15
SD_V1_AVSS_2
AC15
SD_V2_AVDD1P2
AD13
SD_V2_AVDD2P5
AE13
SD_V2_AVSS_1
AC13
SD_V2_AVSS_2
AB14
SD_V2_AVSS_3
AC14
SD_V3_AVDD1P2
AC12
SD_V3_AVDD2P5
AD12
SD_V3_AVSS_1
AB13
SD_V3_AVSS_2
AA14
SD_V4_AVDD1P2
AC11
SD_V4_AVDD2P5
AD11
SD_V4_AVSS
AB12
SD_R
AD10
SD_INCM_R
AC10
SD_G
AE9
SD_INCM_G
AF9
SD_B
AH9
SD_INCM_B
AG9
SD_Y1
AG15
SD_PR1
AE15
SD_PB1
AF15
SD_INCM_COMP1
AH15
SD_Y2
AG16
SD_PR2
AF16
SD_PB2
AH17
SD_INCM_COMP2
AH16
SD_Y3
AG14
SD_PR3
AE14
SD_PB3
AF14
SD_INCM_COMP3
AH14
SD_L1
AH10
SD_C1
AG10
SD_INCM_LC1
AE10
SD_L2
AE11
SD_C2
AF11
SD_INCM_LC2
AH11
SD_L3
AH13
SD_C3
AE12
SD_INCM_LC3
AF12
SD_CVBS1
AD9
SD_CVBS2
AG11
SD_CVBS3
AG12
SD_CVBS4
AF13
SD_INCM_CVBS1
AC9
SD_INCM_CVBS2
AF10
SD_INCM_CVBS3
AH12
SD_INCM_CVBS4
AG13
SD_SIF1
AF17
SD_INCM_SIF1
AG17
SD_FB
AD15
SD_FS
AE16
SD_FS2
AE17
PLL_VAFE_AVDD1P2
AB16
PLL_VAFE_AVSS
AA15
PLL_VAFE_TESTOUT
AC16
RGB_HSYNC
AG3
RGB_VSYNC
AF4
I2S_CLK_IN
AE18
I2S_CLK_OUT
AF18
I2S_DATA_IN
AD17
I2S_DATA_OUT
AH19
I2S_LR_IN
AD18
I2S_LR_OUT
AG18
AUD_LEFT0_N
AG26
AUD_LEFT0_P
AH26
AUD_AVDD2P5_0
AF23
AUD_AVSS_0_1
AA20
AUD_AVSS_0_2
AB21
AUD_AVSS_0_3
AC22
AUD_AVSS_0_4
AC23
AUD_AVSS_0_5
AD23
AUD_RIGHT0_N
AH25
AUD_RIGHT0_P
AG25
AUD_LEFT1_N
AH23
AUD_LEFT1_P
AG23
AUD_RIGHT1_N
AG24
AUD_RIGHT1_P
AH24
AUD_AVDD2P5_1
AE22
AUD_AVSS_1_1
AB20
AUD_AVSS_1_2
AC21
AUD_AVSS_1_3
AE23
AUD_LEFT2_N
AF21
AUD_LEFT2_P
AE21
AUD_RIGHT2_N
AF22
AUD_RIGHT2_P
AG22
AUD_AVDD2P5_2
AD21
AUD_AVSS_2_1
AC20
AUD_AVSS_2_2
AD22
AUD_SPDIF
AH2
SPDIF_AVDD2P5
AC6
SPDIF_AVSS
AE4
SPDIF_IN_N
AF3
SPDIF_IN_P
AH1
HDMI_RX_0_CEC_DAT
AG1
HDMI_RX_0_HTPLG_IN
AA6
HDMI_RX_0_HTPLG_OUT
AA5
HDMI_RX_0_DDC_SCL
AB3
HDMI_RX_0_DDC_SDA
Y6
HDMI_RX_0_RESREF
AC4
HDMI_RX_0_CLK_N
AC1
HDMI_RX_0_CLK_P
AC2
HDMI_RX_0_DATA0_N
AD1
HDMI_RX_0_DATA0_P
AD2
HDMI_RX_0_DATA1_N
AE1
HDMI_RX_0_DATA1_P
AE2
HDMI_RX_0_DATA2_N
AF1
HDMI_RX_0_DATA2_P
AF2
HDMI_RX_0_VDD3P3
AD3
HDMI_RX_0_VDD1P2
AE3
HDMI_RX_0_VDD2P5
AC3
HDMI_RX_0_AVSS_1
AD4
HDMI_RX_0_AVSS_2
AB5
HDMI_RX_0_AVSS_3
AB6
HDMI_RX_0_AVSS_4
AG2
HDMI_RX_0_AVSS_5
AB4
HDMI_RX_0_AVSS_6
AA7
HDMI_RX_0_PLL_AVSS
Y8
HDMI_RX_0_PLL_DVDD1P2
AC5
HDMI_RX_0_PLL_DVSS
W8
HDMI_RX_1_CEC_DAT
AA3
HDMI_RX_1_HTPLG_IN
V4
HDMI_RX_1_HTPLG_OUT
U6
HDMI_RX_1_DDC_SCL
V5
HDMI_RX_1_DDC_SDA
V3
HDMI_RX_1_RESREF
W4
HDMI_RX_1_CLK_N
W2
HDMI_RX_1_CLK_P
W3
HDMI_RX_1_DATA0_N
Y1
HDMI_RX_1_DATA0_P
Y2
HDMI_RX_1_DATA1_N
AA2
HDMI_RX_1_DATA1_P
AA1
HDMI_RX_1_DATA2_N
AB2
HDMI_RX_1_DATA2_P
AB1
HDMI_RX_1_VDD3P3
Y3
HDMI_RX_1_VDD1P2
Y4
HDMI_RX_1_VDD2P5
W5
HDMI_RX_1_AVSS_1
W1
HDMI_RX_1_AVSS_2
U5
HDMI_RX_1_AVSS_3
W6
HDMI_RX_1_AVSS_4
U7
HDMI_RX_1_AVSS_5
V7
HDMI_RX_1_AVSS_6
W7
HDMI_RX_1_AVSS_7
U8
HDMI_RX_1_AVSS_8
V8
HDMI_RX_1_AVSS_9
Y5
HDMI_RX_1_PLL_AVSS
V6
HDMI_RX_1_PLL_DVDD1P2
AA4
HDMI_RX_1_PLL_DVSS
Y7
IC100
LGE3556C (C0 VERSION)
NON_3DTV
VDDC_1
H8
VDDC_2
J8
VDDC_3
K8
VDDC_4
L8
VDDC_5
M8
VDDC_6
N8
VDDC_7
P8
VDDC_8
R8
VDDC_9
AA8
VDDC_10
H9
VDDC_11
H10
VDDC_12
H11
VDDC_13
H12
VDDC_14
H13
VDDC_15
H14
VDDC_16
H15
VDDC_17
H16
VDDC_18
H17
VDDC_19
H18
VDDC_20
H19
VDDC_21
H21
VDDC_22
J21
VDDC_23
K21
VDDC_24
L21
VDDC_25
M21
VDDC_26
N21
VDDC_27
P21
VDDC_28
R21
VDDC_29
T21
VDDC_30
U21
VDDC_31
V21
VDDC_32
W21
VDDC_33
Y21
AGC_VDDO
AH27
VDDO_1
AA12
VDDO_2
AA13
VDDO_3
AA18
VDDO_4
AA19
VDDO_5
E28
VDDO_6
L28
VDDO_7
U28
VDDO_8
AB28
DDRV_1
A9
DDRV_2
G9
DDRV_3
G11
DDRV_4
G13
DDRV_5
A14
DDRV_6
G15
DDRV_7
G17
DDRV_8
A19
DDRV_9
G19
IC100
LGE3556C (C0 VERSION)
NON_3DTV
DVSS_1
AD5
DVSS_2
AD6
DVSS_3
J7
DVSS_4
K7
DVSS_5
L7
DVSS_6
M7
DVSS_7
AB7
DVSS_8
AC7
DVSS_9
G8
DVSS_10
D9
DVSS_11
AA9
DVSS_12
G10
DVSS_13
A11
DVSS_14
L11
DVSS_15
M11
DVSS_16
N11
DVSS_17
P11
DVSS_18
R11
DVSS_19
T11
DVSS_20
U11
DVSS_21
V11
DVSS_22
D12
DVSS_23
G12
DVSS_24
L12
DVSS_25
M12
DVSS_26
N12
DVSS_27
P12
DVSS_28
R12
DVSS_29
T12
DVSS_30
U12
DVSS_31
V12
DVSS_32
L13
DVSS_33
M13
DVSS_34
N13
DVSS_35
P13
DVSS_36
R13
DVSS_37
T13
DVSS_38
U13
DVSS_39
V13
DVSS_40
G14
DVSS_41
L14
DVSS_42
M14
DVSS_43
N14
DVSS_44
P14
DVSS_45
R14
DVSS_46
T14
DVSS_47
U14
DVSS_48
V14
DVSS_49
L15
DVSS_50
M15
DVSS_51
N15
DVSS_52
P15
DVSS_53
R15
DVSS_54
T15
DVSS_55
U15
DVSS_56
V15
DVSS_57
A16
DVSS_58
G16
DVSS_59
L16
DVSS_60
M16
DVSS_61
N16
DVSS_62
P16
DVSS_63
R16
DVSS_64
T16
DVSS_65
U16
DVSS_66
V16
DVSS_67
AA16
DVSS_68
D17
DVSS_69
L17
DVSS_70
M17
DVSS_71
N17
DVSS_72
P17
DVSS_73
R17
DVSS_74
T17
DVSS_75
U17
DVSS_76
V17
DVSS_77
AA17
DVSS_78
AC19
DVSS_79
G18
DVSS_80
L18
DVSS_81
M18
DVSS_82
N18
DVSS_83
P18
DVSS_84
R18
DVSS_85
T18
DVSS_86
U18
DVSS_87
V18
DVSS_88
D20
DVSS_89
G20
DVSS_90
H20
DVSS_91
A21
DVSS_92
E21
DVSS_93
F21
DVSS_94
G21
DVSS_95
E22
DVSS_96
F22
DVSS_97
G22
DVSS_98
H22
DVSS_99
J22
DVSS_100
K22
DVSS_101
L22
DVSS_102
M22
DVSS_103
N22
DVSS_104
P22
DVSS_105
R22
DVSS_106
T22
DVSS_107
U22
DVSS_108
V22
DVSS_109
W22
DVSS_110
Y22
DVSS_111
AA22
DVSS_112
W23
DVSS_113
AB23
DVSS_114
F28
DVSS_115
M28
DVSS_116
T28
DVSS_117
AC28
R2112
18
1%
EU_CN
R141
1% EU_CN
75
R2112-*1
12
5%
NON_EU_CN
R141-*1
5%
NON_EU_CN
62
R196
10
10
1%
R195
10
1%
R138
10
NON_EU
R138-*1
0
EU
R135-*1
82 1%
NON_EU
3
CONNECT NEAR BCM CHIP
CVBS
COMPONENT
DSUB
SIDE COMPONENT
Place here for common circuit with ATSC
BT_LOUT_N
BT_LOUT_P
BT_ROUT_N
BT_ROUT_P
26page : TUNER(HALF NIM)
COMP1_Pr ==>
COMP1_Pb ==>
SC1_RGB(EU)/COMPNENT1[NON_EU]
COMP1_Y ==>
ONLY USE NON_EU
FOR COMP 1
FOR COMP 1
FOR ESD
FOR ESD
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