Read LG 42LH35FD (CHASSIS:LJ91A) 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.
2009.01.20
BCM VID_In/Front INT
BRAZIL DVR DV
R112
10K
COMP2_Pb
1:E6
C130
0.1uF
C120
1000pF
1000pF
AV1_CVBS_IN
14:A5
HDMI0_RXC+_BCM
2:AA18
TU_CVBS_IN
14:A6
A1.2V
R148
22
D1102
5.5V
ADLC 5S 03 015
C128
0.1uF
R103
1K
L103
BLM18PG121SN1D
A2.5V
R156
10K
A1.2V
A2.5V
C148
0.01uF
0.01uF
C162
10uF
COMP2_Pr
1:E6
C131
0.1uF
TU_SIF
14:A6
A2.5V
D1101
5.5V
ADLC 5S 03 015
R149
22
R140
75
1%
R111
91
OPT
C150
0.1uF
0.1uF
R110
91
OPT
L107
BLM18PG121SN1D
A2.5V
C132
0.1uF
C157
0.1uF
0.1uF
R129
91
5%
BCM_SPDIF_OUT
1:H1
COMP2_Y
1:E7
BCM_I2S_SCLK_OUT
3:B4
R128
240
+5.0V
COMP1_Y
1:D7
C129
0.1uF
R153
499
1%
OPT
HDMI0_RX0+_BCM
2:AB18
R118
75
OPT
C126
0.1uF
C164
10uF
A3.3V
R133
10K
C119
0.1uF
RGB_R
1:G5
BCM_I2S_DATA_OUT
3:B4
C102
0.1uF
A3.3V
C111
0.1uF
R146
10K
R119
75
1%
C123
0.01uF
0.01uF
HDMI0_RX1-_BCM
2:AB18
L104
BLM18PG121SN1D
RGB_G
1:G5
R102
10K
IC100
BCM3556
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
C145
0.1uF
0.1uF
HDMI0_RX2-_BCM
2:AC18
C103
0.1uF
C112
0.1uF
0.1uF
R107
0
C113
0.1uF
0.1uF
R139
12K
SIDE_CVBS_IN
14:A5
Q100
ISA1530AC1
OPT
E
B
C
L102
BLM18PG121SN1D
R147
75
1%
R134
10K
A2.5V
R108
0
A2.5V
A2.5V
RGB_VS
1:G7
R155
10K
R113
0
C153
0.1uF
0.1uF
C156
0.1uF
0.1uF
R101
0
RGB_B
1:G6
A2.5V
HDMI_HTPLG_IN_5MA
X18
A1.2V
C149
0.01uF
0.01uF
A1.2V
C147
0.01uF
0.01uF
HDMI_SDA
HDMI0_RXC-_BCM
2:AA18
C155
0.1uF
0.1uF
C158
0.1uF
0.1uF
COMP1_Pr
1:D6
R125
470
OPT
A1.2V
C104
0.1uF
L105
BLM18PG121SN1D
BCM_I2S_LRCLK_OUT
3:B4
HDMI0_RX1+_BCM
2:AB18
R115
91
5%
R150
22
C124
0.1uF
+5.0V
C127
0.1uF
HDMI0_RX0-_BCM
2:AA18
R141
91
5%
R152
499
1%
HDMI_HTPLG_IN
9:H4
C144
0.1uF
A2.5V
R127
12K
HDMI0_RX2+_BCM
2:AC18
R114
91
5%
RGB_HS
1:G6
C141
0.1uF
C160
0.1uF
0.1uF
+5.0V
C163
10uF
L106
BLM18PG121SN1D
BLM18PG121SN1D
C118
0.1uF
0.1uF
HDMI_HTPLG_IN_5MA
R130
91
5%
C121
0.1uF
0.1uF
A1.2V
HDMI_SCL
COMP1_Pb
1:D6
C125
0.1uF
L109
BLM18PG121SN1D
R142
91
5%
C107
0.1uF
R190
34
R199
34
R104
34
C106
0.1uF
C105
0.1uF
B_VID_INCM
1:F2
G_VID_INCM
1:F2
R_VID_INCM
1:F3
C117
0.1uF
R122
34
C122
0.1uF
R181
34
COMP2_VID_INCM
1:F2
COMP1_VID_INCM
1:F2
C110
0.1uF
R121
34
SIDE_CVBS_INCM
14:A5
C109
0.1uF
R195
34
AV1_CVBS_INCM
14:A5
R106
34
C108
0.1uF
TU_CVBS_INCM
14:A6
C133
0.1uF
R182
120
TU_SIF_INCM
14:A6
11
17
INCM
-->> Place these components near BCM3556
Place this TP near JACK <<--
INCM
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA
AB
AC
AD
AE
AF
AG
AH
AI
AJ
AK
AL
AM
AN
AO
AP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
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