LG 42LE4300 Service Manual page 22

CONTROL
IR & LED
R2428
22
IR
Q2406
2SC3052
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.
+3.5V_ST
R2405
R2404
10K 10K
1% 1%
L2401
R2401 BLM18PG121SN1D
100
KEY1
L2402
R2402
BLM18PG121SN1D
100
KEY2
+3.5V_ST
+3.5V_ST
+3.5V_ST
R2425
47K
R2429 +3.5V_ST
47K
R2430
C
10K
R2426
B
3.3K
E
R2431
OPT
C 47K
B
Q2405 E
2SC3052
+3.5V_ST
COMMERCIAL
R2427
0 R2406
47K
OPT
R2403 Commercial_EU
22
IR_OUT
Commercial
R2407
C 10K
Q2401
B
2SC3052
E
Commercial_EU
Commercial_EU
R2422
0
Commercial_US
WIRELESS +3.5V_ST
R2420
47K
R2417 WIRELESS
22
IR_PASS
WIRELESS
R2418
C
10K
Q2404
B
2SC3052
E WIRELESS
WIRELESS
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EYEQ/TOUCH_KEY
R2411
100
NEC_EEPROM_SCL
5.6B
C2408
1000pF D2403
50V
OPT
EYEQ/TOUCH_KEY
100
D2402 NEC_EEPROM_SDA
5.6V R2412 5.6B
C2409
D2404
AMOTECH
C2401 1000pF
C2402
0.1uF 0.1uF 50V
OPT
D2401
5.6V
AMOTECH
L2403
BLM18PG121SN1D
R2413 1.5K
C2403 C2404
LED_B/LG_LOGO
0.1uF 1000pF
OPT
16V 50V
C2410
0.1uF
16V
R2410
100
C2407
D2405
100pF
+3.3V_Normal 5.6B
50V
L2404
BLM18PG121SN1D
+3.5V_ST
R2414
LED_R/BUZZ
R2408
C2406
C2405
1.5K
47K 1000pF OPT
0.1uF
Commercial 50V R2416
16V
10K
R2409
C 47K
B
Q2402 E Commercial
2SC3052
Commercial
Zener Diode is
close to wafer
+3.5V_ST
R2419
47K
WIRELESS
R2421
C 47K
B
Q2403 E WIRELESS
2SC3052
WIRELESS
P2401
12507WR-12L
1
2
3
JP2407
4
JP2408
5
6
7
JP2409 8
JP2410 9
10
JP2411 11
12
13
GP2_Saturn7M
IR & LED
Ver. 1.2
6