LG 42LV3500 Service Manual page 22

CONTROL
IR & LED
KEY1
KEY2
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 © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.5V_ST
R2404 R2405
10K
10K
1% 1%
L2401
R2401 BLM18PG121SN1D
100
L2402
R2402
BLM18PG121SN1D
100
+3.5V_ST
+3.5V_ST
R2425
47K
R2428 OPT
22
+3.5V_ST
R2429
47K
OPT
R2430
C 10K
Q2406
B R2426
2SC3052
E OPT 47K
OPT R2431
C 47K
B
Q2405 E OPT
2SC3052
OPT
R2427
0
EYEQ/TOUCH_KEY
R2411
100
NEC_EEPROM_SCL
C2408
18pF
50V
OPT
EYEQ/TOUCH_KEY
100
D2402 NEC_EEPROM_SDA
5.6V
R2412
C2409
AMOTECH
18pF
C2401 C2402
50V
0.1uF 0.1uF
OPT
D2401
5.6V
AMOTECH
+3.5V_ST
L2403
BLM18PG121SN1D
R2413 1.5K
C2403 C2404
LED_B/LG_LOGO
0.1uF 1000pF
16V 50V
C2407
100pF
+3.3V_Normal
50V
L2404
BLM18PG121SN1D
LED_R/BUZZ
C2406
C2405
1000pF
0.1uF
50V
16V
S/T_SCL
NEW_SUB
C906
D902
18pF
CDS3C05HDMI1
50V
5.6V
OPT
S/T_SDA
NEW_SUB
D903
C907
CDS3C05HDMI1
18pF
5.6V
50V
OPT
EYEQ/TOUCH_KEY OLD_SUB NEW_SUB
P2401 P2402
12507WR-12L 12507WR-15L
5.6V
D2403
1 1
EYEQ/TOUCH_KEY
2 2
5.6V
D2404
3 3
JP2407 4 4
JP2408
5 5
6 6
7 7
OPT
C2410
0.1uF
JP2409
16V 8 8
JP2410 9 9
D2405
5.6V 10 10
JP2411 11 11
R2414
12 12
1.5K
OPT
13
R2416
13
10K
14
15
16
IR/CONTROL-L
GP2R 20101023
6
LGE Internal Use Only