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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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
IR & KEY
KEY1
KEY2
Place Near MICOM
+3.5V_ST
R4133
LOGO_LIGHT
10K
R4136
OPT
1K
LOGO_LIGHT
C4120
R4132
0.1uF
10K
16V
LOGO_LIGHT
LOGO_LIGHT
R4100
22
IR
+5V_ST
R4130
10K
R4129
22
IR_OUT_RS232C
R4145
C
Q4102
B
2SC3052
E
+5V_ST
R4134
R4149
10K
22
IR_OUT_HDMI1
C
Q4103
B
2SC3052
E
R4135
C
30K
Q4104
B
2SC3052
E
+5V_ST
R4138
10K
R4137
22
IR_OUT_HDMI2
C
Q4105
B
2SC3052
E
R4139
30K
C
IR_OUT_CTRL
B
Q4106
2SC3052
E
+5V_ST
R4142
10K
R4141
22
IR_OUT_HDMI3
R4148
C
10K
Q4107
B
2SC3052
E
R4143
30K
C
Q4108
B
2SC3052
E
+3.5V_ST
R4117
R4118
10K
10K
1%
1%
R4113
100
R4114
12507WR-08L
100
C4100
C4102
D4101
0.1uF
D4100
0.1uF
GND
5.6V
5.6V
OPT
OPT
KEY1
KEY2
+3.5V_ST
L4100
BLM18PG121SN1D
+3.5V_ST
C4104
1000pF
GND
50V
LOGO/LED_R
R4125
10K LED_R
LED_R
IR
GND
R4131
22
LOGO_LIGHT
C
B
LOGO_LIGHT
Q4100
MMBT3904(NXP)
E
+3.5V_ST
R4107
47K
OPT
D4104
C4107
+3.5V_ST
5.6V
100pF
OPT
50V
R4103
47K
R4104
C
47K
10K
B
E
Q4101
2SC3052
R4146
10K
R4147
10K
P4101
1
2
3
4
5
6
7
8
9
xxLP860H-ZA
IR / KEY
2012.12.10
41
LGE Internal Use Only
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