Read LG 47LD455B / 47LD455H (CHASSIS:LC01W) 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.
OPT
OPT
C1125
DSUB_R-
5.6V
OPT
OPT
D1116
SPDIF_OUT
2:X18
+3.3V_Normal
18pF
50V
C1127
10K
R1142
30V
D1113
SPG09-DB-010
JK1104
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
15K
R1108
DSUB_G-
5.6V
D1117
30V
D1110
EDID_WP
5.6V
OPT
D1114
DSUB_G+
100pF
50V
50V
C1108
68pF
50V
50V
OPT
C1126
30V
D1111
22
R1126
OPT
DSUB_HSYNC
18pF
50V
C1128
RGB_DDC_SCL
0
R1138
15K
R1107
0
R1136
470K
R1103
PC_R_IN
2 : S 1 6
4.7K
R1140
DSUB_R+
10K
R1111
AMOTECH
5.6V
OPT
D1101
0 . 1 u F
16V
16V
C1117
OPT
470K
R1102
DSUB_B-
AT24C02BN-10SU-1.8
IC1105
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
Fiber Optic
JST1223-001
JK1103
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
0 . 1 u F
16V
C1129
4.7K
R1139
+3.3V_Normal
100pF
50V
50V
C1121
1K
R1147
OPT
OPT
C1123
RGB_DDC_SDA
DSUB_B+
DSUB_VSYNC
30V
D1109
10K
R1110
100pF
50V
C1107
AMOTECH
5.6V
OPT
D1102
OPT
OPT
C1124
68pF
50V
50V
OPT
C1122
+5V_Normal
22
R1143
ENKMC2838-T112
D1115
A1
C
A2
PC_L_IN
2 : S 1 6
NL17SZ00DFT2G
IC1104
OPT
3
GND
2
B
4
Y
1
A
5
VCC
0
R1134
DSUB_DET
30V
D1112
0
R1148
0
R1150
10K
R1146
0
R1127
0 . 1 u F
16V
16V
C1131
22
R1141
4.7K
OPT
R1152
MMBT3904-(F)
Q1103
OPT
E
B
C
HP_ROUT
2:X19
+3.5V_ST
10K
R1130
1000pF
50V
50V
C1115
OPT
SIDE_HP_MUTE
1000pF
50V
50V
C1116
OPT
+3.3V_Normal
EXT_OUT_L
2:X19
EXT_OUT_R
2:X19
HP_DET
1K
R1155
HP_LOUT
2:X19
MMBT3904-(F)
Q1101
OPT
E
B
C
MMBT3904-(F)
Q1102
OPT
E
B
C
10uF
16V
16V
C1119
EXCEPT_CHINA_HOTEL_OPT
10uF
16V
16V
C1118
EXCEPT_CHINA_HOTEL_OPT
MMBT3904-(F)
Q1104
OPT
E
B
C
1K
R1125
1K
R1128
75
R1133
75
R1135
75
R1137
P E J 0 2 7 - 0 1
JK1102
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
0
R1112
0
R1113
KJA-PH-0-0177
JK3301
3
DETECT
4
L
5
GND
1
R
ISA1530AC1
Q1105
OPT
E
B
C
2SC3052
Q1106
OPT
E
B
C
3.3K
R1129
OPT
COMMON AREA
GP2_Saturn7M
5 . 1 5 M s t a r C i r c u i t A p p l i c a t i o n
PC AUDIO
RGB PC
SPDIF OPTIC JACK
COMMON AREA
V e r . 1 . 0
New Item Development
EARPHONE BLOCK
9
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