LG 60LN549E Service Manual page 54

CONTROL
IR & LED
IR_OUT_CTRL
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 © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
R620 R622
10K
10K
1% 1%
L601
BLM18PG121SN1D
KEY1
L602
BLM18PG121SN1D
KEY2
C609
0 . 1 u F
16V
+3.5V_ST
NEC_IR
+3.5V_ST
+3.5V_ST
R607
4.7K
R623
IR_OUT_RS232C
47K
R616
C 10K
Q603
B
2SC3052
E
C
+3.5V_ST
E
R609
4.7K
IR_OUT_HDMI1
R617
C
Q604 10K
B
2SC3052
E
R600
C
30K
Q600
B
2SC3052
E
+3.5V_ST
R610
4.7K
IR_OUT_HDMI2
R618
C
Q605 10K
B
2SC3052
E
R601
C
30K Q601
B
2SC3052
E
+3.5V_ST
R611
4.7K
IR_OUT_SIDE_HDMI
R619
C
Q606 10K
B
2SC3052
E
R602
30K C
Q602
B
2SC3052
E
C608
0 . 1 u F
16V
L600
BLM18PG121SN1D
R629
1.8K
C602 C603
LED_R/BUZZ
0 . 1 u F 1000pF
16V 50V
C606
ZD600
100pF
50V
5.48VTO5.76V
R624
47K
B
Q608
2SC3052
P600
12507WR-08L
1
2
3
4
5
6
7
8
9
EMEA INTERACTIVE
LP63xH-ZA
IR/CONTROL
2 0 1 2 . 1 1 . 0 5
6
LGE Internal Use Only