Read LG 32LK450 / 32LK450A / 32LK450N / 32LK450U / 32LK451 (CHASSIS:LD01M) Service Manual online
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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.
DSUB_DET
D1114
5.6V
OPT
OPT
D1101
5.6V
OPT
OPT
AMOTECH
RGB_DDC_SDA
R1140
2.2K
2.2K
C1115
1000pF
50V
1000pF
50V
OPT
D1110
30V
30V
HP_DET
PC_R_IN
002:S12
D1113
30V
Q1102
MMBT3904-(F)
E
B
C
Q1104
MMBT3904-(F)
E
B
C
C1128
18pF
18pF
50V
Q1103
MMBT3904-(F)
E
B
C
EDID_WP
DSUB_HSYNC
R1139
2.2K
IC1105
AT24C02BN-SH-T
RGB_EEMPROM_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R1142
10K
RGB_EEPORM
+3.3V_Normal
DSUB_B+
IC1105-*1
R1EX24002ASAS0A
RGB_EEMPROM_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R1110
10K
R1146
10K
10K
R1125
1K
1K
R1111
10K
R1133
75
75
R1129
3.3K
R1155
1K
1K
C1119
10uF
16V
10uF
16V
Q1101
MMBT3904-(F)
E
B
C
R1130
10K
D1112
30V
30V
R1107
15K
15K
+3.3V_Normal
R1108
15K
15K
C1131
0.1uF
16V
16V
R1147
1K
1K
SIDE_HP_MUTE
R1143
22
22
+5V_Normal
R1102
470K
470K
R1137
75
RGB_DDC_SCL
C1126
68pF
50V
68pF
50V
OPT
JK3301
KJA-PH-0-0177
HEAD_PHONE
3
DETECT
4
L
5
GND
1
R
C1127
18pF
50V
Q1106
2SC3052
E
B
C
C1118
10uF
16V
10uF
16V
C1107
100pF
50V
R1135
75
75
R1128
1K
HP_LOUT
002:V7
D1102
5.6V
OPT
OPT
AMOTECH
R1141
22
22
D1116
5.6V
OPT
D1109
30V
JK1104
SPG09-DB-010
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
C1110
10uF
16V
16V
OPT
DSUB_G+
D1117
5.6V
OPT
HP_ROUT
002:V7
D1115
ENKMC2838-T112
A1
C
A2
DSUB_R+
DSUB_VSYNC
+3.3V_Normal
Q1105
ISA1530AC1
E
B
C
R1104
10K
OPT
+3.5V_ST
SPDIF_OUT
002:T18
PC_L_IN
002:S12
C1108
100pF
50V
50V
C1122
68pF
50V
68pF
50V
OPT
D1111
30V
30V
C1109
22uF
16V
22uF
16V
OPT
R1103
470K
470K
C1121
100pF
50V
100pF
50V
C1129
0.1uF
16V
C1116
1000pF
50V
1000pF
50V
OPT
JK1103
2F01TC1-CLM97-4F
3
VIN
2
VCC
1
GND
4
S
H
I
E
L
D
JK1102
PEJ027-04
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
20110324
GP3_S7LR
RGB/SPDIF/HP
9
5.15 Mstar Circuit Application
EARPHONE BLOCK
SPDIF OPTIC JACK
PC AUDIO
RGB PC
RGB/SPDIF/PC/HP
New Item Development
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