LG 32LX330C Service Manual page 43

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 right 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