LG 42LE550N Service Manual page 18

Place here for common circuit with ATSC
+1.8V_AMP
26page : TUNER(HALF NIM)
TU_IF_AGC_1
TU_IF_AGC_2
TU_IF_AGC_1
TU_IF_AGC_2
TU_IF_N_1
TU_IF_P_1
A1.2V
TU_IF_N_1
TU_IF_P_1
A1.2V
C111
0.1uF
DSUB
DSUB_R
R_VID_INCM
DSUB_G
G_VID_INCM
DSUB_B
COMPONENT
B_VID_INCM
R195 10
COMP2_Y
1%
COMP2_Pr
COMP2_Pb
COMP2_VID_INCM
SC1_RGB(EU)/COMPNENT1[NON_EU]
COMP1_Y ==> SC1_G
COMP1_Pr ==>
SC1_R
COMP1_Pb ==> SC1_B
SC1_RGB_INCM
NON_EU
ONLY USE NON_EU
R135-*1
FOR COMP 1
82 1%
SIDE COMPONENT
R196
10
SIDE_COMP_Y
1%
SIDE_COMP_Pr
SIDE_COMP_Pb
SIDE_COMP_INCM
SIDE_COMP_Y
SIDE_COMP_Pr
SIDE_COMP_Pb R100
SIDE_COMP_INCM R142
CVBS
R143
EU
R141
R2112
TU_CVBS
R2113
1% 18
REAR_AV_CVBS
R2114
12
SC1_CVBS_IN
R2115
0
SIDE_AV_CVBS
12
TU_CVBS_INCM
REAR_AV_CVBS_INCM
A2.5V A2.5V
SC1_CVBS_INCM
SIDE_AV_CVBS_INCM
R4020
R137
10K
10K
0.1uF
R128 C106
0
TU_SIF
R3055
R139
240
12K
TU_SIF_INCM
C4020
0.1uF
CONNECT NEAR BCM CHIP
R2117
0
SC1_FB
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 © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+1.8V_HDMI
+3.3V_NORMAL A3.3V
L111
BLM18PG121SN1D L112 C243
CIC21J501NE
0.1uF
C2008
C2007
0.1uF
0.1uF
16V
16V
IC100
LGE3556C (C0 VERSION)
AG28 AE18
DS_AGCI_CTL I2S_CLK_IN
AH28 AF18
DS_AGCT_CTL I2S_CLK_OUT
AA21 AD17
EDSAFE_AVSS_1 I2S_DATA_IN
AB22 AH19
A2.5V
EDSAFE_AVSS_2 I2S_DATA_OUT
AF26 AD18
EDSAFE_AVSS_3 I2S_LR_IN
AF27 AG18
A1.2V
EDSAFE_AVSS_4 I2S_LR_OUT
BLM18PG121SN1D
AF28 AG26
L102 EDSAFE_AVSS_5 AUD_LEFT0_N
AG27 AH26
EDSAFE_AVDD2P5 AUD_LEFT0_P
AE26 AF23
EDSAFE_DVDD1P2 AUD_AVDD2P5_0
AE28 AA20
EDSAFE_IF_N AUD_AVSS_0_1
C113 C172
AE27 AB21
0.1uF 4.7uF EDSAFE_IF_P AUD_AVSS_0_2
AD24 AC22
C144
L103 PLL_DS_AGND AUD_AVSS_0_3
0.1uF
AB19 AC23
PLL_DS_AVDD1P2 AUD_AVSS_0_4
AB25 AD23
BLM18PG121SN1D C119 C122
PLL_DS_TESTOUT AUD_AVSS_0_5
0.1uF 4.7uF AH25
AUD_RIGHT0_N
A2.5V
AG25
AUD_RIGHT0_P
AB18 AH23
SD_V5_AVDD1P2 AUD_LEFT1_N
BLM18PG121SN1D AC17 AG23
C112
SD_V5_AVDD2P5 AUD_LEFT1_P
0.1uF AB17 AG24
L104 C120 C123
SD_V5_AVSS AUD_RIGHT1_N
1000pF 0.01uF AD14 AH24
SD_V1_AVDD1P2 AUD_RIGHT1_P
BLM18PG121SN1D
AD16 AE22
SD_V1_AVDD2P5 AUD_AVDD2P5_1
AB15 AB20
L105
SD_V1_AVSS_1 AUD_AVSS_1_1
AC15 AC21
C117
SD_V1_AVSS_2 AUD_AVSS_1_2
1000pF AD13 AE23
C118
SD_V2_AVDD1P2 AUD_AVSS_1_3
0.01uF
AE13 AF21
SD_V2_AVDD2P5 AUD_LEFT2_N
AC13 AE21
SD_V2_AVSS_1 AUD_LEFT2_P
AB14 AF22
SD_V2_AVSS_2 AUD_RIGHT2_N
AC14 AG22
SD_V2_AVSS_3 AUD_RIGHT2_P
AC12 AD21
SD_V3_AVDD1P2 AUD_AVDD2P5_2
AD12 AC20
SD_V3_AVDD2P5 AUD_AVSS_2_1
AB13 AD22
SD_V3_AVSS_1 AUD_AVSS_2_2
AA14 AH2
SD_V3_AVSS_2 AUD_SPDIF
AC11 AC6
SD_V4_AVDD1P2 SPDIF_AVDD2P5
AD11 AE4
SD_V4_AVDD2P5 SPDIF_AVSS
AB12 AF3
SD_V4_AVSS SPDIF_IN_N
C127
0.1uF AD10 AH1
SD_R
SPDIF_IN_P
AC10
SD_INCM_R
C128 0.1uF AE9
SD_G
AF9 AG1
SD_INCM_G HDMI_RX_0_CEC_DAT
C129 0.1uF AH9 AA6
SD_B HDMI_RX_0_HTPLG_IN
AG9 AA5
SD_INCM_B HDMI_RX_0_HTPLG_OUT
C130
0.1uF AG15 AB3
SD_Y1 HDMI_RX_0_DDC_SCL
C131 0.1uF AE15 Y6
SD_PR1 HDMI_RX_0_DDC_SDA
C132 0.1uF AF15 AC4
SD_PB1 HDMI_RX_0_RESREF
AH15 AC1
SD_INCM_COMP1 HDMI_RX_0_CLK_N
C133 0.1uF AG16 AC2
SD_Y2 HDMI_RX_0_CLK_P
0.1uF AF16 AD1
C134
SD_PR2 HDMI_RX_0_DATA0_N
0.1uF AH17 AD2
C135
SD_PB2 HDMI_RX_0_DATA0_P
AH16 AE1
SD_INCM_COMP2 HDMI_RX_0_DATA1_N
C174 0.1uF AG14 AE2
SD_Y3 HDMI_RX_0_DATA1_P
0.1uF AE14 AF1
C175
SD_PR3 HDMI_RX_0_DATA2_N
0.1uF
C176 AF14 AF2
SD_PB3 HDMI_RX_0_DATA2_P
AH14 AD3
SD_INCM_COMP3 HDMI_RX_0_VDD3P3
AH10 AE3
SD_L1 HDMI_RX_0_VDD1P2
AG10 AC3
SD_C1 HDMI_RX_0_VDD2P5
AE10 AD4
NON_EU
NON_EU SD_INCM_LC1 HDMI_RX_0_AVSS_1
AE11 AB5
R2112-*1 R141-*1
SD_L2 HDMI_RX_0_AVSS_2
AF11 AB6
5%
5% 12 62 SD_C2 HDMI_RX_0_AVSS_3
AH11 AG2
SD_INCM_LC2
HDMI_RX_0_AVSS_4
62 AH13 AB4
SD_L3 HDMI_RX_0_AVSS_5
OPT
AE12 AA7
SD_C3 HDMI_RX_0_AVSS_6
62
AF12 Y8
75 1% EU
SD_INCM_LC3 HDMI_RX_0_PLL_AVSS
C110 0.1uF AD9 AC5
SD_CVBS1 HDMI_RX_0_PLL_DVDD1P2
C124 0.1uF AG11 W8
SD_CVBS2 HDMI_RX_0_PLL_DVSS
C125 0.1uF AG12
SD_CVBS3
C100 0.1uF AF13
SD_CVBS4
AC9 AA3
SD_INCM_CVBS1 HDMI_RX_1_CEC_DAT
AF10 V4
SD_INCM_CVBS2 HDMI_RX_1_HTPLG_IN
AH12 U6
SD_INCM_CVBS3 HDMI_RX_1_HTPLG_OUT
AG13 V5
SD_INCM_CVBS4 HDMI_RX_1_DDC_SCL
AF17 V3
SD_SIF1 HDMI_RX_1_DDC_SDA
AG17 W4
SD_INCM_SIF1 HDMI_RX_1_RESREF
AD15 W2
SD_FB HDMI_RX_1_CLK_N
AE16 W3
A1.2V
SC1_ID
SD_FS HDMI_RX_1_CLK_P
L106 AE17 Y1
SD_FS2 HDMI_RX_1_DATA0_N
BLM18PG121SN1D
AB16 Y2
HDMI_RX_1_DATA0_P
PLL_VAFE_AVDD1P2
AA15 AA2
C121 C140
PLL_VAFE_AVSS HDMI_RX_1_DATA1_N
0.1uF 4.7uF AC16 AA1
HDMI_RX_1_DATA1_P
AG3 PLL_VAFE_TESTOUT AB2
RGB_HSYNC HDMI_RX_1_DATA2_N
AF4 AB1
RGB_VSYNC HDMI_RX_1_DATA2_P
Y3
HDMI_RX_1_VDD3P3
Y4
HDMI_RX_1_VDD1P2
W5
HDMI_RX_1_VDD2P5
W1
HDMI_RX_1_AVSS_1
U5
RGB_HSYNC HDMI_RX_1_AVSS_2
W6
HDMI_RX_1_AVSS_3
RGB_VSYNC
U7
HDMI_RX_1_AVSS_4
V7
HDMI_RX_1_AVSS_5
W7
HDMI_RX_1_AVSS_6
U8
HDMI_RX_1_AVSS_7
V8
HDMI_RX_1_AVSS_8
Y5
HDMI_RX_1_AVSS_9
V6
HDMI_RX_1_PLL_AVSS
AA4
HDMI_RX_1_PLL_DVDD1P2
Y7
HDMI_RX_1_PLL_DVSS
D1.2V
C249 C250 C382 C381 C380 C379
C286 C287
4.7uF 1000pF 0.01uF 0.1uF 10uF 10uF 33uF 100uF
FOR ESD
AUD_SCK
AUD_LRCH
AUD_LRCK
HP_LOUT_N A2.5V
HP_LOUT_P
C147 C155 C162
0.01uF 0.1uF 10uF
HP_ROUT_N
HP_ROUT_P
BT_LOUT_N
BT_LOUT_P
BT_ROUT_N
BT_ROUT_P
C148 C156 C163
0.01uF 0.1uF 10uF
SCART1_Lout_N
SCART1_Lout_P
SCART1_Rout_N
SCART1_Rout_P
C149 C157 C164
0.01uF 0.1uF 10uF
SPDIF_OUT
C150
0.1uF
+5V_NORMAL
R2036
1K
R309 10K
A2.5V
0 R307
HDMI_SCL
0 R308
HDMI_SDA
499 R152
C3006
HDMI_CLK- 0.1uF
16V
HDMI_CLK+
HDMI_RX0-
HDMI_RX0+ A3.3V
HDMI_RX1-
HDMI_RX1+
BLM18PG121SN1D
HDMI_RX2-
L109
HDMI_RX2+
A1.2V A2.5V
C145 C153 C160
4.7uF 0.1uF 0.1uF
BLM18PG121SN1D
L107
C158 C151 C165
1000pF 0.01uF 10uF
D3.3V
499 R153
OPT
A3.3V
BLM18PG121SN1D
L110
A1.2V A2.5V
C146 C154 C161
4.7uF 0.1uF 0.1uF
FOR ESD
BLM18PG121SN1D
L108 C384
33uF
10V
C159 C152 C166
1000pF 0.01uF 10uF
D1.2V
C383 C246 C378 C376 C259 C374 C366 C266 C288 C290
1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF
D3.3V
C216 C268 C371 C370 C369 C292 C293 C294
0.1uF 1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF 0.1uF
D1.8V
C282 C283 C284 C285 C2005 C2006
C248 C281
1000pF 0.01uF 0.01uF 0.01uF 0.01uF
1000pF 1000pF 1000pF
D1.2V
IC100
LGE3556C (C0 VERSION)
H8
VDDC_1
J8
VDDC_2
K8
VDDC_3
L8
VDDC_4
M8
VDDC_5
N8
VDDC_6
P8
VDDC_7
R8
VDDC_8
AA8
VDDC_9
H9
VDDC_10
H10
VDDC_11
H11
VDDC_12
H12
VDDC_13
H13
VDDC_14
H14
VDDC_15
H15
VDDC_16
H16
VDDC_17
H17
VDDC_18
H18
VDDC_19
H19
VDDC_20
H21
VDDC_21
J21
VDDC_22
K21
VDDC_23
L21
VDDC_24
M21
VDDC_25
N21
VDDC_26
P21
VDDC_27
R21
VDDC_28
T21
VDDC_29
A3.3V
U21
VDDC_30
V21
VDDC_31
W21
VDDC_32
R205
Y21
20
VDDC_33
AH27
AGC_VDDO
D3.3V
C2003
AA12
0.1uF VDDO_1
AA13
VDDO_2
AA18
VDDO_3
AA19
VDDO_4
E28
VDDO_5
L28
VDDO_6
U28
VDDO_7
AB28
VDDO_8
D1.8V
A9
DDRV_1
G9
DDRV_2
G11
DDRV_3
G13
DDRV_4
A14
DDRV_5
G15
DDRV_6
G17
DDRV_7
A19
DDRV_8
G19
DDRV_9
D3.3V
C245 C255 C377 C375 C263 C373 C267 C289 C291
4.7uF 1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF 0.1uF 10uF
D1.8V
C274 C272 C275 C276 C278 C280 C297
C2004
0.1uF 0.1uF 0.1uF 0.1uF 4.7uF 4.7uF 4.7uF
33uF
D1.8V
C357
C365 C364 C363
C356 C348 C320 C319 C318 C304
0.1uF 0.1uF 0.1uF 10uF
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
16V 16V 16V 10V 16V 16V 16V 16V 16V 16V
IC100
LGE3556C (C0 VERSION)
AD5 P16
DVSS_1 DVSS_62
AD6 R16
DVSS_2 DVSS_63
J7 T16
DVSS_3 DVSS_64
K7 U16
DVSS_4 DVSS_65
L7 V16
DVSS_5 DVSS_66
M7 AA16
DVSS_6 DVSS_67
AB7 D17
DVSS_7 DVSS_68
AC7 L17
DVSS_8 DVSS_69
G8 M17
DVSS_9 DVSS_70
D9 N17
DVSS_10 DVSS_71
AA9 P17
DVSS_11 DVSS_72
G10 R17
DVSS_12 DVSS_73
A11 T17
DVSS_13 DVSS_74
L11 U17
DVSS_14 DVSS_75
M11 V17
DVSS_15 DVSS_76
N11 AA17
DVSS_16 DVSS_77
P11 AC19
DVSS_17 DVSS_78
R11 G18
DVSS_18 DVSS_79
T11 L18
DVSS_19 DVSS_80
U11 M18
DVSS_20 DVSS_81
V11 N18
DVSS_21 DVSS_82
D12 P18
DVSS_22 DVSS_83
G12 R18
DVSS_23 DVSS_84
L12 T18
DVSS_24 DVSS_85
M12 U18
DVSS_25 DVSS_86
N12 V18
DVSS_26 DVSS_87
P12 D20
DVSS_27 DVSS_88
R12 G20
DVSS_28 DVSS_89
T12 H20
DVSS_29 DVSS_90
U12 A21
DVSS_30 DVSS_91
V12 E21
DVSS_31 DVSS_92
L13 F21
DVSS_32 DVSS_93
M13 G21
DVSS_33 DVSS_94
N13 E22
DVSS_34 DVSS_95
P13 F22
DVSS_35 DVSS_96
R13 G22
DVSS_36 DVSS_97
T13 H22
DVSS_37 DVSS_98
U13 J22
DVSS_38 DVSS_99
V13 K22
DVSS_39 DVSS_100
G14 L22
DVSS_40 DVSS_101
L14 M22
DVSS_41 DVSS_102
M14 N22
DVSS_42 DVSS_103
N14 P22
DVSS_43 DVSS_104
P14 R22
DVSS_44 DVSS_105
R14 T22
DVSS_45 DVSS_106
T14 U22
DVSS_46 DVSS_107
U14 V22
DVSS_47 DVSS_108
V14
W22
DVSS_48 DVSS_109
L15 Y22
DVSS_49 DVSS_110
M15 AA22
DVSS_50 DVSS_111
N15 W23
DVSS_51 DVSS_112
P15 AB23
DVSS_52 DVSS_113
R15 F28
DVSS_53 DVSS_114
T15 M28
DVSS_54 DVSS_115
U15 T28
DVSS_55 DVSS_116
V15 AC28
DVSS_56 DVSS_117
A16
DVSS_57
G16
DVSS_58
L16
DVSS_59
M16
DVSS_60
N16
DVSS_61
EUROBBTV 2009.06.18
3
BCM3556 VIDEO IN
LGE Internal Use Only