LG 49UF6700 Service Manual page 45

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.
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 right reserved.
Only for training and service purposes
+3.5V_ST
R4603 R4604
10K 10K
1% 1%
R4601
100
C4602
0.1uF
16V
R4602
100
C4603
0.1uF
16V
R4606
C4601
1.8K
1000pF LED_R/BUZZ
50V
VA4600
OPT
C4604
100pF
ZD4601
50V
5V
OPT
EYE_SENSOR
C4605
18pF
50V
R4608 100
HDMI_SW_SCL
OPT
R4609 100
HDMI_SW_SDA
OPT EYE_SENSOR
C4606
R4605 100
18pF
IR_SCL
EYE_SENSOR 50V
R4607 100
IR_SDA
EYE_SENSOR
OPT
P4600
P4601
12507WR-10L
12507WR-08L
1
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2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
11
M1A_URSA9_UD 2014.04.24
IR_EYE_SENSOR 46
LGE Internal Use Only