Ir/Led + Digital Eye + Control - LG 42LB55 series Service Manual

IR/LED + Digital Eye + Control

KEY1
KEY2
+3.5V_ST
L4600
BLM18PG121SN1D
C4600
+3.5V_ST
0.1uF
16V
R4600
3.3K
IR
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 © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
R4604
R4603
10K 10K
1% 1%
R4601
100
OPT
C4602
0.1uF
16V
R4602
100
OPT
C4603
0.1uF
16V
R4606
C4601
1.8K
1000pF
LED_R/BUZZ
50V
VA4600
LED_R_Zener
C4604
VA4601
100pF
IR_Zener
50V
+3.3V_Normal
Digital Eye Digital Eye OPT
R4605 C4605
R4607
1K 1K 18pF
50V
R4608 100
SENSOR_SCL
Digital Eye
R4609 100
SENSOR_SDA
Digital Eye OPT
C4606
18pF
50V
OPT
P4600
P4601
12507WR-10L
12507WR-08L
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
11
L14_M1A 2013/09/03
IR_EYE_SENSOR 46
LGE Internal Use Only