LG 42LV375H, Service Manual

Page: 24 / 39

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.
B_VID_INCM
34 R311
OPT
A2.5V
BLM18PG121SN1D
L105
A2.5V
A3.3V
0
R128
0 . 1 u F C125
0 . 1 u F
C133
BLM18PG121SN1D
L103
A1.2V
BLM18PG121SN1D
L107
10K
R137
10pF
C105
OPT
BLM18PG121SN1D
L110
0 . 1 u F
C156
A1.2V
DSUB_B
RGB_VSYNC
0 . 1 u F
C130
0 . 1 u F C126
OPT
A1.2V
R_VID_INCM
0 . 1 u F
C112
SC1_RGB_INCM
4 . 7 u F
C146
0 . 1 u F
C155
0 . 1 u F
C154
BLM18PG121SN1D
L102
A2.5V
COMP2_VID_INCM
0 . 1 u F C110
A1.2V
G_VID_INCM
0 . 1 u F C134
0 . 1 u F
C144
0 OPT R148
0 . 1 u F C131
0
R147 OPT
A1.2V
BLM18PG121SN1D
L106
0 . 1 u F
C160
0 . 1 u F
C119
DSUB_G
0 . 1 u F
C111
10pF
C104
OPT
0 . 1 u F
C150
0 . 1 u F
C157
0 . 1 u F
C113
0 . 0 1 u F
C151
1000pF
C117
0 . 1 u F
C161
1000pF
C158
0 . 1 u F
C129
A2.5V
BLM18PG121SN1D
L108
0 . 0 1 u F
C149
A1.2V
RGB_HSYNC
SPDIF_OUT
0 . 1 u F
C153
0 . 1 u F C132
0 . 1 u F
C135
0 . 1 u F
C127
499 R153
0 . 0 1 u F
C152
499 R152
1000pF
C120
0 . 0 1 u F
C147
0 . 0 1 u F
C123
1000pF
C159
0 . 1 u F
C106
A2.5V
BLM18PG121SN1D
L109
0 . 1 u F C128
12K
R139
A2.5V
A3.3V
0 . 0 1 u F
C148
0 OPT R149
BLM18PG121SN1D
L104
0 . 0 1 u F
C118
DSUB_R
A2.5V
0 . 1 u F
C121
0 . 1 u F
16V
C3006
0
R307
0
R308
1K
R2036
10K R309
240
R3055
OPT
A2.5V
10K
R4020
12K
R4021
0 . 1 u F
C3007
120
R3056
OPT
SC1_FB
SC1_ID
SC1_CVBS_INCM
SC1_CVBS_IN
TU_CVBS_INCM
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
10uF
10V
C357
0 . 0 1 u F
C267
D1.2V
0 . 1 u F
16V
C320
0 . 1 u F
16V
C319 0 . 0 1 u F
C284
D1.8V
0 . 1 u F
16V
C356
0 . 1 u F
16V
C318
0 . 1 u F
C276
0 . 1 u F
C243
0 . 0 1 u F
C293
0 . 0 1 u F
C377
0 . 1 u F
16V
C304
D1.2V
0 . 1 u F
16V
C363
0 . 1 u F
C378
0 . 0 1 u F
C2006
0 . 1 u F
C2003
D1.8V
0 . 1 u F
C216
0 . 1 u F
C275
0 . 0 1 u F
C374
0 . 1 u F
C294
0 . 1 u F
C274
1000pF
C255
0 . 0 1 u F
C382
0 . 1 u F
16V
C348
0 . 1 u F
C289
0 . 1 u F
C370
1000pF
C259
1000pF
C292
0 . 0 1 u F
C246
1000pF
C250
D1.8V
1000pF
C281
1000pF
C282
1000pF
C373
D3.3V
0 . 0 1 u F
C290
0 . 1 u F
C375
0 . 1 u F
C272
1000pF
C248
20
R205
0 . 1 u F
16V
C364
0 . 0 1 u F
C371
D1.2V
0 . 1 u F
C366
0 . 1 u F
16V
C365
A3.3V
D1.8V
1000pF
C383
0 . 0 1 u F
C2005
1000pF
C288
1000pF
C268
0 . 0 1 u F
C285
1000pF
C283
D3.3V
0 . 1 u F
C381
COMP2_Pr
COMP2_Pb
COMP2_Y
AUD_SCK
AUD_LRCK
AUD_LRCH
TU_IF_AGC_1
TU_IF_N_1
TU_IF_P_1
EXT_ROUT_P
EXT_ROUT_N
EXT_LOUT_P
EXT_LOUT_N
4 . 7 u F
C122
4 . 7 u F
C172
4 . 7 u F
C140
4 . 7 u F
C145
10uF
C164
10uF
C162
10uF
C165
10uF
C166
10uF
C163
10uF
C380
10uF
C379
10uF
C291
4 . 7 u F
C263
4 . 7 u F
C245
4 . 7 u F
C280
4 . 7 u F
C278
4 . 7 u F
C297
4 . 7 u F
C266
4 . 7 u F
C369
4 . 7 u F
C376
4 . 7 u F
C249
75 R142 OPT
75
1
%
R135 OPT
75
R313 OPT
75
R315 OPT
75
R131
75
R312
0 R2114
HDMI2_RX1-_BCM
HDMI2_RX2-_BCM
HDMI2_RXC-_BCM
HD_BCM
HD_BCM
HD_BCM
HDMI2_RX0-_BCM
HDMI2_SDA_BCM
HDMI2_SCL_BCM
1K R301
10K R300
47pF
C101
47pF
C169
47pF
C170
0
R2117
0
R2116
OPT
HD_BCM
TU_IF_AGC_2
TU_IF_AGC_1
TU_IF_AGC_2
TU_IF_N_1
TU_IF_P_1
+5V_NORMAL
0 R2035
A2.5V
0 . 1 u F
16V
C3008
0 R302
0
R303
+5V_NORMAL
0 R304
HD_BCM
HDMI1_RX2-_BCM
HD_BCM
HDMI1_RX0-_BCM
HDMI1_RXC-_BCM
HD_BCM
HDMI1_RX1-_BCM
HD_BCM
HDMI1_SCL_BCM
HDMI1_SDA_BCM
SC1_R
SC1_B
SC1_G
LGE3556C (C0 VERSION)
IC100
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
LGE3556C (C0 VERSION)
IC100
VDDC_1
H8
VDDC_2
J 8
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
J 2 1
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
LGE3556C (C0 VERSION)
IC100
DVSS_1
AD5
DVSS_2
AD6
DVSS_3
J 7
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
J 2 2
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
75 R141
18 1% R2112
10
1% R9203
82
1%
R120
33uF
10V
C2004
100uF
16V
C287
33uF
C286
33uF
10V
C384
3
CONNECT NEAR BCM CHIP
CVBS
SC1_RGB
COMPONENT
DSUB
HALF NIM TUMER
FOR ESD
FOR ESD
BCM3556 & VIDEO
Chameleon(EU_GP2_BCM3556)
2 0 1 0 . 1 2 . 2 0 xxLV375H-ZA
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only