LG 32LS679C-ZC Service Manual page 22

IR/LED and control for normal models.
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%
R2401
100
KEY1
R2402
100
KEY2
+3.5V_ST
IR_OUT_EU +3.5V_ST
R2425
IR_OUT IR_OUT
1K
R2410
22 R2429
IR_OUT 3.3K
IR_OUT_EU
IR_OUT_EU
R2430
C 10K
Q2406
B R2426
MMBT3904(NXP) IR_OUT
E 3.3K
R2431
C 47K
B
IR_OUT
Q2405 E
MMBT3904(NXP)
IR_OUT_US
R2409
0
IR
SENSOR_SCL
L2401
BLM18PG121SN1D
OPT
C2401
D2402
0.1uF
5.6V
L2402 AMOTECH CO., LTD.
BLM18PG121SN1D
SENSOR_SDA
OPT
C2402 D2401
0.1uF 5.6V
AMOTECH CO., LTD.
+3.5V_ST
L2403
BLM18PG121SN1D
+3.5V_ST
C2403 C2404
LED_B/LG_LOGO
0.1uF 1000pF
16V 50V
LED_R/BUZZ
+3.3V_Normal
11_SUB
L2404
BLM18PG121SN1D
11_SUB
C2405
0.1uF
16V
S/T_SCL
OPT
OPT
D902
C906
ADUC 5S 02 0R5L
18pF 5.5V
50V
S/T_SDA
OPT
OPT
D903
C907
ADUC 5S 02 0R5L
18pF 5.5V
50V
R2411
100 12_SUB 11_SUB
P2401 P2402
OPT
OPT 12507WR-10L 12507WR-15L
C2408
D2403
18pF
5.48VTO5.76V
50V
1
1
R2412
100 2
2
OPT
OPT
C2409
D2404 3
18pF 5.48VTO5.76V 3
50V
4
JP2407 4
5
JP2408
5
6
6
OPT
R2413
1.5K 7
7
12_SUB
R2432 OPT
1.5K C2410 8
JP2409
0.1uF 8
16V
9
JP2410 9
OPT
C2407
D2405 10
100pF
5.48VTO5.76V 10
50V
11
JP2411 11
OPT
R2414
11_SUB
1.5K
C2406 LED_R/BUZZ 12
1000pF
50V
OPT
R2416
10K 13
14
15
16
GP4L_S7LR2
IR/CONTROL
OPT
P2403
12507WR-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
2011/11/16
6
LGE Internal Use Only