LG 43LX310C Service Manual page 34

IR + LED + Digital Eye + Control Key
(With IR OUT)
IR OUT TO RS232C
IR_OUT
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
IR_OUT_EU +3.5V_ST
R3501
1K
IR_OUT
R3503
IR_OUT_EU
C 1K
IR_OUT_EU
R3502
10K
Q3500 B
2SC3052 IR_OUT_EU
C
IR_OUT R3504
E 33K
Q3501 B
2SC3052
E IR_OUT_US
R3504-*1
10K
IR_OUT_US
R3505
0
+3.5V_ST
R4603 R4604
10K
1%
R4601
100
KEY1
C4602
0.1uF
16V
R4602
100
KEY2
+3.5V_ST
C4603
0.1uF
16V
L4600 For EMI
BLM18PG121SN1D
SIGN5600026822222
C4601
C4600 1000pF
0.1uF 50V
R4606
1.8K
LED_R/BUZZ
OPT
+3.5V_ST
VA4600
5.6V
R4600
3.3K
R4610
22
IR
C4604
VA4601
100pF
50V 20V
+3.3V_Normal
IR_Eye_Sensor
IR_Eye_Sensor
R4605
R4607 IR_Eye_Sensor
1K 1K
R4608
100
IR_Eye_Sensor
SENSOR_SCL C4605
18pF
IR_Eye_Sensor
R4609
100
SENSOR_SDA
IR_Eye_Sensor
C4606
18pF
50V
10K
1% IR_10p
IR_8p
P4600
P4601
12507WR-10L
12507WR-08L
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
SIGN56000271222222
9
9
10
11
50V
L15_COMM
IE EYE SENSOR / IR OUT
2014.07.11
35
LGE Internal Use Only