LG 32LF550B Service Manual page 28

IR + LED + Digital Eye + Control Key
R4601
100
KEY1
R4602
100
KEY2
+3.5V_ST
L4600
BLM18PG121SN1D
C4600 C4601
0.1uF 1000pF
50V
R4606
1.8K
LED_R/BUZZ
+3.5V_ST
R4600
3.3K
IR
C4604
100pF
50V
+3.3V_Normal
IR_Eye_Sensor
IR_Eye_Sensor
R4605
R4607 IR_Eye_Sensor
1K 1K
R4608
100
SENSOR_SCL
IR_Eye_Sensor
R4609
100
SENSOR_SDA
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
R4603 R4604
10K 10K
1% 1% IR_10p
IR_8p
P4600
P4601
12507WR-10L
12507WR-08L
C4602
0.1uF
16V
1
1
2
C4603
2
0.1uF
16V
For EMI 3
3
4
4
5
5
6
6
OPT
VA4600 7
5.6V
7
8
8
9
9
OPT
ZD4601
5V
10
11
IR_Eye_Sensor
C4605
18pF
50V
IR_Eye_Sensor
C4606
18pF
50V
L14_CA_M1A 2014/06/02
IR_EYE_SENSOR 46
LGE Internal Use Only