LG 42LG350H (CHASSIS:LD85F) Service Manual ▷ View 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.
TU_TS_SYNC
TU_TS_VAL
TU_TS_DATA[0]
TU_TS_CLK
74LVC541A(PW)
IC800
3
A1
2
A0
4
A2
1
OE1
6
A4
5
A3
7
A5
8
A6
9
A7
10
GND
11
Y7
12
Y6
13
Y5
14
Y4
15
Y3
16
Y2
17
Y1
18
Y0
19
OE2
20
VCC
BUF_TS_SYNC
BUF_TS_VAL
BUF_TS_DATA[0]
BUF_TS_CLK
+3.3V_CI
0 . 1 u F
16V
16V
C800
47uF
16V
16V
C813
OPT
P E J 0 2 4 - 0 1
JK801
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
5.6V
OPT
OPT
D800
CB3216PA501E
L800
5.6V
OPT
OPT
D801
2SC3052
Q800
E
B
C
1000pF
50V
50V
C802
MNT_R_OUT
22uF
16V
C803
1000pF
50V
C804
MNT_L_OUT
BG2012B080TF
L801
P_12V
0 . 1 u F
16V
16V
OPT
C805
2SC3052
Q801
E
B
C
10uF
6.3V
6.3V
C807
OPT
C808
BG2012B080TF
L802
10uF
6.3V
6.3V
C809
22uF
16V
C810
10uF
25V
25V
C811
RT1C3904-T112
Q805
E
B
C
RT1C3904-T112
Q806
E
B
C
SUB_/SD
EXT_SPK_R
EXT_SPK_L
P E J 0 2 4 - 0 1
JK1301
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
EXT_OUT_R
EXT_OUT_L
EXT_VOL+
EXT_VOL-
5.6V
OPT
OPT
D802
5.6V
OPT
OPT
D803
1000pF
50V
OPT
C814
1000pF
50V
OPT
C815
+3.3V_VDDP_ST
3.3K
R810
3.3K
R811
SUB_MUTE
15K
R807
15K
R801
1K
R806
0 . 1 u F
50V
50V
C806
47K
R809
47K
R800
470
R805
470
R802
1.5K
R803
1.5K
R804
0 . 1 u F
50V
50V
C801
1K
R808
CB3216PA501E
L803
+24V_SUBAMP
P_24V
+24V_SUBAMP
AUDIO_OUT_MUTE
1K
R812
12507WS-12L
P800
1
2
3
4
5
6
7
8
9
10
11
12
13
ISA1530AC1
Q803
E
B
C
ISA1530AC1
Q802
E
B
C
Audio_OUT
8 1 3
AUDIO_OUT
POP NOISE
xxLG350H-TA
2 0 0 9 . 1 . 2 3
CMCIA
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.
D1-_HDMI2
GND
CEC_REMOTE
D1-_HDMI1
D1+_HDMI1
CK+_HDMI2
D2-_HDMI1
D0-_HDMI1
D0+_HDMI2
DDC_SCL_1
CK-_HDMI2
CEC_REMOTE
D0+_HDMI1
GND
D0-_HDMI2
D2+_HDMI2
D2+_HDMI1
DDC_SDA_1
5V_HDMI_1
D1+_HDMI2
D2-_HDMI2
CK+_HDMI1
CK-_HDMI1
+5V_ST
DDC_SDA_2
+5V_ST
AT24C02BN-10SU-1.8
IC900
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SCL_1
0 . 1 u F
C902
0
R910
5V_HDMI_1
DDC_SDA_1
AT24C02BN-10SU-1.8
IC901
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
5V_HDMI_2
0 . 1 u F
C903
DDC_SCL_2
HDMI_RX2-
HDMI_SCL
D0-_HDMI2
0.1uF
C906
HDMI_CLK-
D1+_HDMI2
+5V_ST
D1-_HDMI2
D2+_HDMI2
HDMI_RX1+
3.9K
R908
D1-_HDMI1
HDMI_RX1-
0.1uF
C910
HDMI_RX0-
0.1uF
C911
CK-_HDMI1
0.1uF
C907
HDMI_RX2+
+3.3V_CI
D0+_HDMI1
CK+_HDMI2
DDC_SCL_2
HDMI_CLK+
0.1uF
C905
0.1uF
C913
0.1uF
C912
D2+_HDMI1
0.1uF
C909
HDMI_RX0+
CK+_HDMI1
D0+_HDMI2
CK-_HDMI2
D0-_HDMI1
D2-_HDMI1
0.1uF
C904
DDC_SDA_1
HDMI_SDA
DDC_SDA_2
DDC_SCL_1
D2-_HDMI2
D1+_HDMI1
+3.3V_VDDP_ST
HDMI_SW
CEC_REMOTE
OPT
D902
BSS83
Q900
S
B
D
G
27K
R935
HDMI_CEC
0
R929
OPT
0
OPT
R934
+3.3V_VDDP_ST
MMBD301LT1G
30V
D904
A
C
EEPROM_WP
0
R911
EEPROM_WP
10uF
6.3V
6.3V
C915
0
R914
0
R923
0
R924
0
R919
0
R918
68K
R928
1K
R966
HPD1
0 . 1 u F
50V
50V
C916
DDC_SCL_2
5V_HDMI_2
0 . 1 u F
50V
50V
C900
HPD2
1K
R900
DDC_SDA_2
4.7K
R926
4.7K
R925
22
R971
22
R972
22
R973
22
R974
ENKMC2838-T112
D901
D901
A1
C
A2
ENKMC2838-T112
D900
D900
A1
C
A2
2K
R940
2K
R939
TMDS351PAGR
IC902
1
SDA3
2
SCL3
3
GND_1
4
B31
5
A31
6
VCC_1
7
B32
8
A32
9
GND_2
10
B33
11
A33
12
VCC_2
13
B34
14
A34
15
GND_3
16
VSADJ
17
Y4
18
Z4
19
VCC_3
20
Y3
21
Z3
22
GND_4
23
Y2
24
Z2
25
VCC_4
26
Y1
27
Z1
28
GND_5
29
SCL_SINK
30
SDA_SINK
31
HPD_SINK
32
S1
33
S2
34
EQ
35
HPD1
36
SDA1
37
SCL1
38
B11
39
A11
40
VCC_5
41
B12
42
A12
43
GND_6
44
B13
45
A13
46
VCC_6
47
B14
48
A14
49
VDD
50
HPD2
51
SDA2
52
SCL2
53
B21
54
A21
55
VCC_7
56
B22
57
A22
58
GND_7
59
B23
60
A23
61
VCC_8
62
B24
63
A24
64
HPD3
4.7K
R920
4.7K
R977
OPT
+3.3V_CI
+3.3V_VDDP_ST
2SC3052
Q901
E
B
C
47K
R905
OPT
+3.3V_VDDP_ST
47K
R968
OPT
2SC3052
Q902
E
B
C
0
R921
47K
R913
47K
R916
47K
R912
47K
R915
0
R978
0
R979
IROUT_HDMI1
IROUT_HDMI2
JK901
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
GND
21
GND
22
+3.3V_VDDP_ST
4.7K
R922
22
R903
100
R976
100
R975
100
R969
100
R970
22
R907
MMBD301LT1G
30V
D905
0
R980 OPT
0 R958
0 R959
0 R960
0 R961
0 R962
0
R963
0
R964
0 R965
0 R950
0 R951
0 R952
0 R953
0 R954
0 R955
0 R956
0 R957
10K
R967
10K
R901
JK900
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
GND
21
GND
22
HDMI
9 1 3
HDMI_SW
HIGH
LOW
HDMI1
HDMI2
X
O
O
X
xxLG350H-TA
2 0 0 9 . 1 . 2 3
HDMI
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.
5 . 6
R1011
OPT
SPK_L+
1000pF
50V
C1053
1uF
10V
C1009
MLB-201209-0120P-N2
L1014
+1.8V_AMP
33K
R1006
OPT
0 . 1 u F
50V
C1010
AMP_RST
1uF
10V
C1014
MUTE
0 . 1 u F
50V
C1001
33pF
50V
50V
C1061
5 . 6
R1016
0
R1048
OPT
0 . 1 u F
50V
C1008
+1.8V_AMP
+24V_AMP
0 . 1 u F
50V
50V
C1017
DA-8580
EAP38319001
EAP38319001
L1011
2S
1S
1F
2F
MS_LRCH
1000pF
50V
C1006
5 . 6
R1013
OPT
SPK_L-
1N4148W
100V
D1005
33pF
50V
50V
C1062
1uF
16V
C1022
100
R1003
1000pF
50V
C1026
MS_LRCK
0 . 1 u F
50V
C1040
SPK_R+
4.7K
R1022
33pF
50V
50V
OPT
C1063
+24V_AMP
SPK_L+
SPK_L-
100
R1001
1N4148W
100V
D1003
4.7K
R1023
5 . 6
R1010
OPT
22000pF
50V
C1015
1N4148W
100V
D1004
1000pF
50V
C1032
OPT
0 . 1 u F
50V
C1042
CLOCK/AMP_SDA
22000pF
50V
C1011
3 . 3
R1031
120K
R1007
OPT
5 . 6
R1012
OPT
0 . 0 1 u F
50V
C1044
1000pF
50V
C1036
3 . 3
R1029
10uF
6.3V
C1000
1000pF
50V
C1031
OPT
CLOCK/AMP_SCL
5 . 6
R1014
0 . 1 u F
50V
50V
C1021
0 . 1 u F
50V
50V
C1043
WAFER-ANGLE
P1001
1
2
3
4
+24V_AMP
SPK_R-
100
R1004
3 . 3
R1005
+24V_AMP
0 . 1 u F
50V
C1050
MLB-201209-0120P-N2
L1013
SPK_R+
22000pF
50V
C1049
+24V_AMP
5 . 6
R1015
0 . 1 u F
50V
50V
C1028
1000pF
50V
C1051
OPT
5 . 6
R1017
SPK_R-
0 . 1 u F
50V
C1004
3.3K
R1002
AUDIO_MCLK
1000pF
50V
C1048
+1.8V_AMP
3 . 3
R1028
NTP3000A
EAN41584001
IC1000
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
VSS_IO
6
CLK_I
7
CLK_O
8
VDD_IO
9
DGNDPLL
10
AGNDPLL
11
LFM
12
AVDDPLL
13
DVDDPLL
14
NC_1
15
DVSS
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
PWM_3B/PWM_HP2
23
PWM_3A/PWM_HP1
24
PROTECT
25
FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC_2
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
+24V_AMP
+1.8V_AMP
+24V_AMP
1uF
16V
C1016
10uF
6.3V
C1002
0 . 4 7 u F
50V
C1039
3 . 3
R1030
1000pF
50V
C1034
1000pF
50V
C1005
4.7K
R1025
MS_SCK
0 . 0 1 u F
50V
C1013
P_24V
DA-8580
EAP38319001
EAP38319001
L1010
2S
1S
1F
2F
0 . 1 u F
50V
C1041
1000pF
50V
C1007
1N4148W
100V
D1006
0 . 1 u F
50V
50V
C1027
0
R1049
+24V_AMP
0 . 0 1 u F
50V
C1046
+3.3V_CI
0 . 0 1 u F
50V
C1045
22000pF
50V
C1052
1000pF
50V
C1037
0 . 4 7 u F
50V
C1038
0 . 0 1 u F
50V
50V
C1047
1000pF
50V
C1035
4.7K
R1024
1000pF
50V
C1030
OPT
100pF
50V
C1003
220uF
35V
35V
C1012
220uF
35V
35V
C1060
0 . 0 1 u F
50V
50V
C1065
KIA7042AF
IC1002
2
G
3
O
1
I
100pF
50V
50V
C1366
+5V_ST
33K
R1056
0
R1057
500
L1007
500
L1008
500
L1009
CB3216PA501E
L1206
500
L1003
500
L1004
500
L1006
500
L1002
500
L1005
0
R1008
AUDIO
1 0 1 3
SPEAKER_L
xxLG350H-TA
2 0 0 9 . 1 . 2 3
AMP
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.
100uF
16V
C1140
1N4148W
OPT
D1100
0 . 0 1 u F
50V
C1185
+3.3V_AVDD_ADC
0 . 0 1 u F
50V
C1187
0 . 1 u F
50V
50V
C1189
5600pF
50V
C1111
+3.3V_AVDD
+3.3V_VDDP_ST
0 . 1 u F
50V
50V
C1192
0 . 1 u F
50V
50V
C1132
1K
R1108
+3.3V_AVDD_MEMPLL
0 . 0 1 u F
50V
C1184
0 . 1 u F
50V
50V
C1143
0 . 1 u F
50V
50V
C1174
22uH
L1105
100K
R1107
OPT
100uF
16V
C1193
0 . 1 u F
50V
50V
C1194
PANEL_POWER
+3.3V_AVDD_LPLL
+3.3V_VDDP_ST
+5V
+2.5V_DDR
9.1K
R1113
SI4925BDY
Q1104
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
P_12V
+3.3V_AVDD_SIF
0 . 4 7 u F
25V
25V
C1100
0 . 0 1 u F
50V
50V
C1183
0 . 1 u F
50V
50V
C1175
+3.3V_AVDD_AU
0 . 0 1 u F
50V
50V
C1166
0 . 1 u F
50V
50V
C1171
+3.3V_AVDD_MPLL
PANEL_CTL
3225
22uF
16V
16V
C1108
470uF
16V
C1112
0 . 0 1 u F
50V
50V
C1169
0 . 1 u F
50V
C1114
0 . 1 u F
50V
50V
C1191
+3.3V_AVDD_DVI
+5V_ST
+5V_ST
POWER_ON/OFF1
0 . 0 1 u F
50V
50V
C1103
10K
R1123
OPT
10K
R1122
0 . 1 u F
50V
50V
C1170
0 . 0 1 u F
50V
C1131
0 . 1 u F
50V
50V
C1190
+3.3V_VDDP
0 . 1 u F
50V
50V
C1188
MP2305DS
IC1100
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
0 . 0 1 u F
50V
C1165
+5V_TU
+5V_ST
100uF
16V
16V
C1141
POWER_ON/OFF1
0 . 0 1 u F
50V
C1186
0 . 1 u F
50V
50V
C1156
+5V_GENERAL
+5V
0 . 1 u F
50V
50V
C1177
0 . 1 u F
50V
50V
C1161
100uF
16V
C1176
100uF
16V
C1158
+3.3V_AVDD
0 . 0 1 u F
50V
50V
C1168
0 . 1 u F
50V
50V
C1173
+3.3V_AVDD_OTG
0 . 1 u F
50V
50V
C1129
+3.3V_TU
100uF
16V
C1126
100uF
16V
C1134
0 . 1 u F
50V
50V
C1139
+5V
R1140
OPT
+3.3V_CI
0 . 1 u F
50V
50V
C1146
0 . 1 u F
50V
50V
C1147
0 . 1 u F
50V
50V
C1144
+1.8V_TU
0 . 1 u F
50V
50V
C1153
3216
10uF
16V
16V
C1154
0 . 0 1 u F
50V
50V
C1148
0 . 1 u F
50V
50V
C1151
+1.25V_VDDC
0 . 0 1 u F
50V
50V
C1150
+1.25V_AVDD_DVI
0 . 1 u F
50V
50V
C1145
0 . 1 u F
50V
C1116
0 . 1 u F
50V
50V
C1118
10uF
16V
16V
C1178
100uF
16V
16V
C1135
0
R1139
22K
R1127
22K
R1129
10K
R1124
0
5%
R1128
0 . 1 u F
50V
50V
C1128
402
1%
R1130
0 . 1 u F
50V
50V
C1160
0 . 1 u F
50V
50V
C1162
100uF
16V
C1159
OPT
0 . 1 u F
50V
50V
C1155
+3.3V_VDDP_ST
+3.3V_VDDP_ST
1/4W
0
5%
R1134
1/4W
0
5%
R1133
AZ1117D-3.3TRE1
IC1103
1
ADJ/GND
2
OUTPUT
3
INPUT
AZ1117D-3.3TRE1
IC1106
1
ADJ/GND
2
OUTPUT
3
INPUT
AZ1117D-2.5TRE1
IC1107
1
ADJ/GND
2
OUTPUT
3
INPUT
AZ1117D-1.8TRE1
IC1104
1
ADJ/GND
2
OUTPUT
3
INPUT
10K
R1109
OPT
100
R1116
10K
R1119
+5V_GENERAL
10K
OPT
R1121
220uF
16V
C1117
P_24V
+5V_GENERAL
INV_CTL
1uF
25V
25V
C1107
+5V_ST
A_DIM
+5V_ST
10K
R1120
4.7K
LPL32"/LPL37"/LPL42"
R1106
0 . 1 u F
16V
OPT
C1102
0 . 1 u F
16V
OPT
OPT
C1101
0
PWM_DIM
R1112
100uF
16V
16V
C1119
5V_MNT
0 . 1 u F
16V
C1199
PWM_DIM
0
OPT
R1110
A_DIM_1
2SC3052
Q1101
E
B
C
2SC3052
Q1100
E
B
C
2SC3052
Q1103
E
B
C
2SC3052
Q1102
E
B
C
560
R1126
10K
R1125
4 . 7 u F
16V
C1137
0 . 1 u F
50V
C1110
P_12V
0
R1243
1/4W
0
R1262
0
R1142
OPT
0
OPT
R1265
0
OPT
R1263
PWM_DIM
5V_MNT
A_DIM_1
AZ1085S-ADJTR/E1
IC1102
1
ADJ/GND
2
OUTPUT
3
INPUT
100uF
16V
C1133
100uF
16V
C1152
OPT
P_12V
AZ1117D-1.8TRE1
IC1108
1
ADJ/GND
2
OUTPUT
3
INPUT
0 . 1 u F
50V
50V
C1123
+1.8V_AMP
100uF
16V
16V
C1149
0 . 1 u F
50V
50V
C1195
A_DIM_1
5.6K
OPT
R1103
10K
R1117
OPT
BG2012B080TF
L1104
4.7K
R1114
12.4K
1%
R1115
56K
1%
1%
R1105
10uF
16V
16V
C1157
+5V_ST
3225
22uF
16V
16V
C1180
22uH
L1111
0 . 4 7 u F
25V
25V
C1196
0 . 1 u F
50V
50V
C1181
0 . 0 1 u F
50V
50V
C1197
5600pF
50V
C1179
0 . 1 u F
50V
C1198
10K
OPT
R1154
1N4148W
OPT
D1102
MP2305DS
IC1101
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
12.4K
1%
R1157
100K
R1155
3.9K
R1156
33K
1%
R1158
220uF
16V
16V
C1182
RSR025P03
Q1105
S
D
G
10K
R1159
OPT
0 . 1 u F
50V
50V
C1172
DDR_PWR_CTRL
1/4W
0
5%
OPT
R1141
4 . 7 u F
16V
C1136
CB3216PA501E
L1128
CB3216PA501E
L1113
CB3216PA501E
L1107
CB3216PA501E
L1114
CB3216PA501E
L1109
CB3216PA501E
L1112
CB3216PA501E
L1119
CB3216PA501E
L1130
CB3216PA501E
L1122
CB3216PA501E
L1123
CB3216PA501E
L1126
CB3216PA501E
L1129
CB3216PA501E
L1116
CB3216PA501E
L1120
CB3216PA501E
L1125
330uF
35V
C1105
1uF
35V
C1109
2SC3875S
Q1106
10K
R1152
10K
R1151
D1101
A1
C
A2
POWER_ON/OFF1
+5V_ST
1K
R1150
0
OPT
R1162
CB3216UA121
L1102
CB3216UA121
L1101
CB3216UA121
L1131
0
R1163
OPT
0
R1164
22
OPC_OUT
R1264
OPC_OUT
FW20020-24S
P1101
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
1uF
16V
C1130
33K
R1131
3.3K
R1132
EXT12V_CTRL
RT1P141C-T112
Q1107
1
2
3
33K
OPT
R1111
D1103
A1
C
A2
EXT5V_CTRL
3.3K
R1118
Power
Stand-by +3.3V_+1.25V_MST_Core
TUNER_CI +3.3V_+1.8V
+12V
+2.5V_DDR
+3.3V_MST
1 1 1 3
R1
R2
V 0 = 1 . 2 5 ( 1 + R 2 / R 1 )
FROM LIPS & POWER B/D
ERROR_OUT
DC-DC CONVERTER
DC-DC CONVERTER
** Consider BOOTSTRAP PWM **
xxLG350H-TA
2 0 0 9 . 1 . 2 3
OWER
Click on the first or last page to see other 42LG350H (CHASSIS:LD85F) service manuals if exist.