LG 22LT360C Service Manual page 25

CONTROL
IR & LED
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 © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
R2405
R2404
10K 10K
1% 1%
L2401
R2401 BLM18PG121SN1D
100
KEY1
L2402
R2402
BLM18PG121SN1D
100
KEY2
C2401
0 . 1 u F 0 . 1 u F
+3.5V_ST
R2426
47K
R2428
22
IR
IR OUT
+3.5V_ST
+3.5V_ST
R37
IR_OUT_EU_ASIA
1K
R36
22
R39
IR_OUT
IR_OUT_EU_ASIA
1K
IR_OUT
IR_OUT
R38
C 10K
Q30
B
MMBT3904(NXP)
E
IR_OUT_EU_ASIA R40
C 47K
B
Q31 E IR_OUT
MMBT3904(NXP)
IR_OUT
R41 0
IR_OUT_Brazil_USA
JP2407
JP2408
C2402 D2402
5.6V JP2404
+3.5V_ST
D2401
AMOTECH
5.6V
L2403
AMOTECH
BLM18PG121SN1D
JP2403
C2403 C2404
0 . 1 u F 1000pF
16V 50V
JP2410
C2407
100pF D2405 R2413 1.5K
5.6V LED_W JP2409
50V
OPT
R2414 1.5K
LED_R JP2411
OPT OPT
C2410 C2411
JP2405
0 . 1 u F 0 . 1 u F
16V 16V
JP2406
P2402
12507WR-04L
1
2
3
4
5
P2401
12507WR-10L
1
2
3
4
5
6
7
8
9
10
11
GP3_S7LR
IR/CONTROL-L
20110324
6
LGE Internal Use Only