Read LG 42LV555H (CHASSIS:LA05E) 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.
RGB_HS
17:U12
+A3.3V_BCM3549
IF_P_3549
18:AM17
COMP_Y
17:M16
+A_1.2V
RGB_G
17:V12
RGB_R
17:V11
COMP_Pb
17:M18
+A_2.5V
+A_1.2V
+A_2.5V
+A_1.2V
+A_2.5V
+A_2.5V
+A3.3V_BCM3549
IF_N_3549
18:AM16
+A_1.2V
SPDIF_OUT
3 : E 7
RGB_B
17:V12
MAIN_CVBS
1 5 : P 1 8
COMP_Pr
1 7 : L 1 9
+A_2.5V
TU_SIF
1:N17
+A_1.2V
+A_1.2V
RGB_VS
17:U12
IF_AGC_3549
18:AL19
BLM18PG121SN1D
L1104
BLM18PG121SN1D
L1100
BLM18PG121SN1D
L1102
BLM18PG121SN1D
L1101
BLM18PG121SN1D
L1103
BLM18PG121SN1D
L1105
BLM18PG121SN1D
L1107
BLM18PG121SN1D
L1106
BLM18PG121SN1D
L1108
I2S_BIT_CLK
3 : F 1 9
I2S_SDATA
3 : F 2 0
I2S_WORD_CLK
3 : F 1 9
HDMI0_HTPLG_OUT
9 : A J 2 2
MAIN_CVBS_INCM
1 5 : L 1 3
TU_SIF_INCM
1 : T 1 6
0
R1138
0
R1139
0.01uF
C1150
0 . 0 1 u F
C1129
0.01uF
C1142
0.01uF
C1123
0 . 0 1 u F
C1128
0.01uF
OPT
C1108
0.01uF
C1136
0.01uF
C1118
0.01uF
C1143
0.01uF
C1144
0 . 1 u F
C1114
0.1uF
C1139
0 . 1 u F
C1113
0.1uF
C1122
0.1uF
C1138
0.1uF
C1119
0 . 1 u F
C1131
0.1uF
C1137
0.1uF
OPT
C1107
0 . 1 u F
C1111
0.1uF
C1104
0.1uF
C1147
0 . 1 u F
C1109
0 . 1 u F
C1115
0.1uF
C1132
0.1uF
C1145
0.1uF
C1106
OPT
0 . 1 u F
C1112
0 . 1 u F
C1116
0.1uF
C1121
0 . 1 u F
C1130
0.1uF
C1146
0.1uF
C1120
0.1uF
C1117
0.1uF
C1124
499
R1128
499
R1125
510
R1124
10pF
C1105
OPT
10K
R1110
+A_2.5V
HDMI0_HTPLG_IN
9 : A J 2 1
75
1%
R1116
0
R1104
0
R1100
0
R1105
0 . 1 u F
C1100
16V
12K
R1112
HDMI1_HTPLG_IN
9 : A J 2 1
0
R1136
HDMI1_HTPLG_OUT
9 : A J 2 1
0
R1137
R_VID_INCM
17:AF25
G_VID_INCM
17:AF23
B_VID_INCM
17:AF20
COMP_VID_INCM
17:AF27
AUD_LOUT-
3:AH7
THIRD_CVBS_INCM
1 7 : L 5
10K
R1149
12K
R1150
1/16W
1K
5%
R1113
1/16W
0
5%
R1119
75
R1101
75
1%
R1120
150
R1114
240
1%
R1153
100
R1148
100
R1147
100
R1146
+5V_DEVICE
10pF
C1103
50V
330pF
50V
50V
C1152
OPT
330pF
50V
50V
C1153
OPT
18 1%
R1106
33pF
50V
50V
C1101
33pF
50V
50V
C1102
4.7K
R1109
4.7K
R1108
4.7uF
C1125
4.7uF
C1126
4.7uF
C1127
4.7uF
C1148
4.7uF
C1149
LGE3549XSP P22(3D PIP)
IC100
DS_AGCI_CTL
W26
DS_AGCT_CTL
W25
EDSAFE_AVSS_1
V20
EDSAFE_AVSS_2
W21
EDSAFE_AVSS_3
W22
EDSAFE_AVSS_4
Y23
EDSAFE_AVSS_5
AA24
EDSAFE_AVSS_6
Y26
EDSAFE_AVDD2P5
Y24
EDSAFE_DVDD1P2
AB26
EDSAFE_IF_N
AA26
EDSAFE_IF_P
AA25
PLL_DS_AVDD1P2
Y21
PLL_DS_TESTOUT
R21
SD_V1_AVDD1P2
AA16
SD_V1_AVDD2P5
AB13
SD_V1_AVSS_1
W14
SD_V1_AVSS_2
AA15
SD_V2_AVDD1P2
AB15
SD_V2_AVDD2P5
AB14
SD_V3_AVDD1P2
AA14
SD_V3_AVDD2P5
AC15
SD_V2_AVSS
Y14
SD_V3_AVSS_1
W13
SD_V3_AVSS_2
Y13
SD_V4_AVDD1P2
AA13
SD_V4_AVDD2P5
Y11
SD_V4_AVSS
Y12
SD_R
AB12
SD_G
AC11
SD_B
AF11
SD_INCM_B
AE11
SD_Y1
AE17
SD_PR1
AC17
SD_PB1
AD17
SD_INCM_COMP1
AF17
SD_Y2
AE18
SD_PR2
AF19
SD_PB2
AD18
SD_INCM_COMP2
AF18
SD_Y3
AE16
SD_PR3
AD16
SD_PB3
AC16
SD_INCM_COMP3
AF16
SD_L1
AF12
SD_C1
AE12
SD_INCM_LC1
AC12
SD_L2
AC13
SD_C2
AD13
SD_INCM_LC2
AF13
SD_L3
AF15
SD_C3
AC14
SD_INCM_LC3
AD14
SD_CVBS1
AB11
SD_CVBS2
AE13
SD_CVBS3
AE14
SD_CVBS4
AD15
SD_INCM_CVBS1
AA11
SD_INCM_CVBS2
AD12
SD_INCM_CVBS3
AF14
SD_INCM_CVBS4
AE15
SD_SIF1
AD19
SD_INCM_SIF1
AE19
PLL_VAFE_AVDD1P2
AB16
PLL_VAFE_AVSS
Y16
PLL_VAFE_TESTOUT
Y15
RGB_HSYNC
AB6
RGB_VSYNC
AC6
I2S_CLK_IN
AC20
I2S_CLK_OUT
AD20
I2S_DATA_IN
AA19
I2S_DATA_OUT
AF21
I2S_LR_IN
AB20
I2S_LR_OUT
AE20
AUD_LEFT0_N
AC26
AUD_LEFT0_P
AC25
AUD_AVDD2P5_0
AB25
AUD_AVSS_0_1
W19
AUD_AVSS_0_2
W20
AUD_AVSS_0_3
Y22
AUD_AVSS_0_4
AA23
AUD_RIGHT0_N
AD25
AUD_RIGHT0_P
AD26
AUD_LEFT1_N
AF25
AUD_LEFT1_P
AE25
AUD_RIGHT1_N
AE26
AUD_RIGHT1_P
AF26
AUD_AVDD2P5_1
AB24
AUD_AVSS_1_1
AA22
AUD_AVSS_1_2
AB23
AUD_LEFT2_N
AD23
AUD_LEFT2_P
AC23
AUD_RIGHT2_N
AD24
AUD_RIGHT2_P
AE24
AUD_AVDD2P5_2
AC24
AUD_AVSS_2_1
Y20
AUD_AVSS_2_2
AA21
AUD_AVSS_2_3
AB22
AUD_AVSS_2_4
AC22
AUD_SPDIF
AF5
SPDIF_AVDD2P5
AD5
SPDIF_IN_N
AF4
SPDIF_IN_P
AE5
SPDIF_AVSS_1
AD6
SPDIF_AVSS_2
AB8
SPDIF_AVSS_3
AA9
HDMI_RX_0_CEC_DAT
AE3
HDMI_RX_0_AVSS_4
AF3
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
AD4
HDMI_RX_0_VDD2P5
AC3
HDMI_RX_0_AVSS_5
AC5
HDMI_RX_0_AVSS_1
AB5
HDMI_RX_0_AVSS_2
V8
HDMI_RX_0_AVSS_3
W8
HDMI_RX_0_PLL_AVSS
W6
HDMI_RX_0_PLL_DVDD1P2
AE4
HDMI_RX_0_PLL_DVSS
W7
HDMI_RX_1_CEC_DAT
AA3
HDMI_RX_1_AVSS_7
AB4
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_6
Y5
HDMI_RX_1_AVSS_1
W1
HDMI_RX_1_AVSS_2
U5
HDMI_RX_1_AVSS_3
V6
HDMI_RX_1_AVSS_4
U7
HDMI_RX_1_AVSS_5
U8
HDMI_RX_1_PLL_AVSS
V7
HDMI_RX_1_PLL_DVDD1P2
AA4
HDMI_RX_1_PLL_DVSS
Y7
SD_V5_AVDD1P2
AB19
SD_V5_AVDD2P5
AC19
SD_V5_AVSS
AA18
SD_INCM_G
AD11
SD_INCM_R
AA12
SDA_HDMI_0
2 : I 2 4
SCL_HDMI_0
2 : I 2 3
TMDS0_RX0-
2 : I 2 2
TMDS0_RX1-
2 : I 2 1
TMDS0_RX2+
2 : I 1 9
TMDS0_RX2-
2 : I 2 0
TMDS0_RXC+
2 : I 2 2
TMDS0_RXC-
2 : I 2 2
TMDS0_RX0+
2 : I 2 1
TMDS0_RX1+
2 : I 2 0
4.7K
R1115
33pF
50V
50V
C1154
33pF
50V
50V
C1155
4.7K
R1111
SDA_HDMI_1
2:H10
SCL_HDMI_1
2:H9
TMDS1_RX0+
2:H7
TMDS1_RX2+
2:H5
TMDS1_RX1+
2:H6
TMDS1_RXC-
2:H9
TMDS1_RX0-
2:H8
TMDS1_RXC+
2:H8
TMDS1_RX1-
2:H7
TMDS1_RX2-
2:H6
+5V_DEVICE
+5V_DEVICE
1K
R1142
+5V_DEVICE
+5V_DEVICE
1K
R1151
10uF
C1133
10uF
C1140
10uF
C1141
10uF
C1135
10uF
C1134
10uF
C1151
AUD_LOUT+
3 : A I 7
75
R1102
75
R1103
BCM_VIDEO_IN
11
P l a c e t h i s c o m p o n e n t s
c l o s e t o B C M 3 5 4 9 ( I C 1 0 0 ) .
c l o s e t o B C M 3 5 4 9 ( I C 1 0 0 ) .
18
LV555H-UA
2 0 1 0 . 1 2 . 1 0
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