LG 42LV375H Service Manual page 24

HALF NIM TUMER
TU_IF_AGC_1
TU_IF_AGC_2
TU_IF_AGC_1
TU_IF_AGC_2
TU_IF_N_1
TU_IF_P_1
TU_IF_N_1
TU_IF_P_1
A1.2V
BLM18PG121SN1D
DSUB
DSUB_R
B_VID_INCM
COMPONENT
R9203 1%
10
COMP2_Y
COMP2_Pr
COMP2_Pb
SC1_RGB
SC1_G
SC1_R
SC1_B
R142
CVBS
R141
R2112 18 1%
TU_CVBS
R2114
0
SC1_CVBS_IN
TU_CVBS_INCM
SC1_CVBS_INCM
A2.5V A2.5V
R137 R4020
10K 10K
R128 C106
0 . 1 u F
0
TU_SIF
R3055
R139
240
12K
TU_SIF_INCM
C3007
0 . 1 u F
R4021
R3056
12K
120
CONNECT NEAR BCM CHIP
R2117
0
SC1_FB
R2116
0
OPT
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 © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
C243
0 . 1 u F
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
EDSAFE_AVSS_4 I2S_LR_OUT
AF28 AG26
EDSAFE_AVSS_5 AUD_LEFT0_N
AG27 AH26
EDSAFE_AVDD2P5 AUD_LEFT0_P
AE26 AF23
EDSAFE_DVDD1P2 AUD_AVDD2P5_0
AE28 AA20
C113 C172
EDSAFE_IF_N AUD_AVSS_0_1
0 . 1 u F 4 . 7 u F AE27 AB21
EDSAFE_IF_P AUD_AVSS_0_2
AD24 AC22
L103 PLL_DS_AGND AUD_AVSS_0_3
AB19 AC23
PLL_DS_AVDD1P2 AUD_AVSS_0_4
AB25 AD23
C122
PLL_DS_TESTOUT AUD_AVSS_0_5
4 . 7 u F
AH25
AUD_RIGHT0_N
A2.5V
AG25
AUD_RIGHT0_P
AB18 AH23
SD_V5_AVDD1P2 AUD_LEFT1_N
BLM18PG121SN1D AC17 AG23
SD_V5_AVDD2P5 AUD_LEFT1_P
AB17 AG24
L104 C120 C123
SD_V5_AVSS AUD_RIGHT1_N
1000pF 0 . 0 1 u F 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
SD_V1_AVSS_2 AUD_AVSS_1_2
C117 C118 AD13 AE23
0 . 0 1 u F SD_V2_AVDD1P2 AUD_AVSS_1_3
1000pF
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 . 1 u F AD10 AH1
SD_R SPDIF_IN_P
AC10
SD_INCM_R
C128 0 . 1 u F AE9
SD_G
AF9 AG1
SD_INCM_G HDMI_RX_0_CEC_DAT
C129 0 . 1 u F AH9 AA6
SD_B HDMI_RX_0_HTPLG_IN
AG9 AA5
SD_INCM_B HDMI_RX_0_HTPLG_OUT
AG15 AB3
SD_Y1 HDMI_RX_0_DDC_SCL
AE15 Y6
SD_PR1 HDMI_RX_0_DDC_SDA
C132 0 . 1 u F AF15 AC4
SD_PB1 HDMI_RX_0_RESREF
AH15 AC1
SD_INCM_COMP1 HDMI_RX_0_CLK_N
0 . 1 u F AG16 AC2
C133
SD_Y2 HDMI_RX_0_CLK_P
AF16 AD1
SD_PR2 HDMI_RX_0_DATA0_N
0 . 1 u F AH17 AD2
C135
SD_PB2 HDMI_RX_0_DATA0_P
AH16 AE1
SD_INCM_COMP2 HDMI_RX_0_DATA1_N
AG14 AE2
SD_Y3 HDMI_RX_0_DATA1_P
AE14 AF1
SD_PR3 HDMI_RX_0_DATA2_N
0
OPT R149 AF14 AF2
SD_PB3 HDMI_RX_0_DATA2_P
AH14 AD3
R311 34
SD_INCM_COMP3 HDMI_RX_0_VDD3P3
OPT
AH10 AE3
SD_L1 HDMI_RX_0_VDD1P2
AG10 AC3
SD_C1 HDMI_RX_0_VDD2P5
AE10 AD4
SD_INCM_LC1 HDMI_RX_0_AVSS_1
AE11 AB5
SD_L2 HDMI_RX_0_AVSS_2
AF11 AB6
SD_C2 HDMI_RX_0_AVSS_3
AH11 AG2
75 OPT
SD_INCM_LC2 HDMI_RX_0_AVSS_4
AH13 AB4
SD_L3 HDMI_RX_0_AVSS_5
AE12 AA7
75
SD_C3 HDMI_RX_0_AVSS_6
AF12 Y8
SD_INCM_LC3 HDMI_RX_0_PLL_AVSS
AD9 AC5
SD_CVBS1 HDMI_RX_0_PLL_DVDD1P2
AG11 W8
SD_CVBS2 HDMI_RX_0_PLL_DVSS
C125 0 . 1 u F AG12
SD_CVBS3
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
SC1_ID SD_FS HDMI_RX_1_CLK_P
AE17 Y1
SD_FS2 HDMI_RX_1_DATA0_N
AB16 Y2
HDMI_RX_1_DATA0_P
AA15 PLL_VAFE_AVDD1P2 AA2
C121 C140
PLL_VAFE_AVSS HDMI_RX_1_DATA1_N
0 . 1 u F 4 . 7 u F AC16 AA1
HDMI_RX_1_DATA1_P
PLL_VAFE_TESTOUT
AG3 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
HDMI_RX_1_AVSS_2
RGB_HSYNC
W6
HDMI_RX_1_AVSS_3
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 . 7 u F 1000pF 0 . 0 1 u F 0 . 1 u F 10uF 10uF
33uF 100uF
16V
FOR ESD
AUD_SCK
AUD_LRCH
AUD_LRCK
HP_LOUT_N A2.5V
HP_LOUT_P
C147 C162
0 . 0 1 u F 10uF
HP_ROUT_N
HP_ROUT_P
EXT_LOUT_N
EXT_LOUT_P
EXT_ROUT_N
EXT_ROUT_P
C148 C163
0 . 0 1 u F 10uF
SCART1_Lout_N
SCART1_Lout_P
SCART1_Rout_N
SCART1_Rout_P
C149 C157 C164
0 . 0 1 u F 0 . 1 u F 10uF
SPDIF_OUT
C150
+5V_NORMAL
0 . 1 u F
R2036
1K
R2035 0
R309 10K
0
R307
HDMI1_SCL_BCM
R308 0
HDMI1_SDA_BCM
499
R152
C3006
HDMI1_RXC-_BCM 0 . 1 u F
HDMI1_RXC+_BCM 16V
HDMI1_RX0-_BCM
HDMI1_RX0+_BCM A3.3V
HDMI1_RX1-_BCM
HDMI1_RX1+_BCM
BLM18PG121SN1D
HDMI1_RX2-_BCM
L109
HDMI1_RX2+_BCM
A1.2V A2.5V
C145 C153
4 . 7 u F 0 . 1 u F
BLM18PG121SN1D
L107
C158 C151 C165
1000pF 0 . 0 1 u F 10uF
R301 1K +5V_NORMAL
R304 0
R300 10K
R302 0 A2.5V
HDMI2_SCL_BCM
R303 0
HDMI2_SDA_BCM
R153
499
C3008
HDMI2_RXC-_BCM
0 . 1 u F
HDMI2_RXC+_BCM
16V
HDMI2_RX0-_BCM
HDMI2_RX0+_BCM A3.3V
HDMI2_RX1-_BCM
HDMI2_RX1+_BCM
HDMI2_RX2-_BCM
HDMI2_RX2+_BCM
A2.5V
C161
0 . 1 u F
C384
L108
33uF
BLM18PG121SN1D
10V
FOR ESD
C159 C152 C166
1000pF 0 . 0 1 u F 10uF
D1.2V
C383 C246 C378 C376 C259 C374 C366 C266 C288 C290
1000pF 0 . 0 1 u F 0 . 1 u F 4 . 7 u F 1000pF 0 . 0 1 u F 0 . 1 u F 4 . 7 u F 1000pF 0 . 0 1 u F
D3.3V
C216 C268 C371 C370 C369 C292 C293 C294
0 . 1 u F 1000pF 0 . 0 1 u F 0 . 1 u F 4 . 7 u F 1000pF 0 . 0 1 u F 0 . 1 u F
D1.8V
C282 C283 C284 C285 C2005 C2006
C248 C281
1000pF 0 . 0 1 u F 0 . 0 1 u F 0 . 0 1 u F 0 . 0 1 u F
1000pF 1000pF 1000pF
D1.2V
IC100
LGE3556C (C0 VERSION)
H8
VDDC_1
J 8
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
J 2 1
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 . 1 u F 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
Chameleon(EU_GP2_BCM3556)
xxLV375H-ZA
D3.3V
C245 C255 C377 C375 C263 C373 C267 C289 C291
4 . 7 u F 1000pF 0 . 0 1 u F 0 . 1 u F 4 . 7 u F 1000pF 0 . 0 1 u F 0 . 1 u F 10uF
D1.8V
C274 C272 C275 C276 C278 C280 C297 C2004
0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 4 . 7 u F 4 . 7 u F 4 . 7 u F 33uF
10V
D1.8V
C365 C364 C363 C357
C356 C348 C320 C319 C318 C304
0 . 1 u F 0 . 1 u F 0 . 1 u F 10uF
0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F
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
J 7 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
V18
N12
DVSS_26 DVSS_87
P12 D20
DVSS_27 DVSS_88
G20
R12
DVSS_28 DVSS_89
T12 H20
DVSS_29 DVSS_90
A21
U12
DVSS_30 DVSS_91
V12 E21
DVSS_31 DVSS_92
L13 F21
DVSS_32 DVSS_93
M13 G21
DVSS_94
DVSS_33
N13 E22
DVSS_34 DVSS_95
P13 F22
DVSS_96
DVSS_35
R13 G22
DVSS_36 DVSS_97
T13 H22
DVSS_98
DVSS_37
U13 J 2 2
DVSS_38 DVSS_99
V13 K22
DVSS_100
DVSS_39
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
2 0 1 0 . 1 2 . 2 0
3
BCM3556 & VIDEO
LGE Internal Use Only