32LE5300 (CHASSIS:LA01D) - LG TV Service Manual (repair manual). Page 43

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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.
09/12/18
IR & KEY & LED
102
LA01D SUB INTERFACE
DEMOD_RESET
IF_P_EXT
IF_N_EXT
DEMOD_SCL
DEMOD_SDA
C2406
1000pF
50V
C2407
100pF
50V
Q2402
2SC3052
Commercial
E
B
C
L2403
BLM18PG121SN1D
R2431
47K
D2402
5.6V
AMOTECH
C2408
1000pF
50V
OPT
+3.5V_ST
C2404
1000pF
50V
IR_OUT
Q2405
2SC3052
E
B
C
IR_PASS
R2421
47K
WIRELESS
R2402
100
Q2403
2SC3052
WIRELESS
E
B
C
R2426
3.3K
OPT
R2405
10K
1%
+3.5V_ST
R2425
47K
R2427
0
OPT
R2413
1.5K
NON_LE7300
D2401
5.6V
AMOTECH
R2420
47K
WIRELESS
R2422
0
Commercial_US
+3.5V_ST
R2404
10K
1%
C2405
0.1uF
16V
R2403
22
Commercial
D2405
5.6B
R2409
47K
Commercial
R2406
47K
Commercial_EU
R2407
10K
Commercial_EU
R2412
100
EYEQ/TOUCH_KEY
+3.5V_ST
+3.5V_ST
Q2401
2SC3052
Commercial_EU
E
B
C
R2418
10K
WIRELESS
IR
Q2404
2SC3052
WIRELESS
E
B
C
+3.5V_ST
R2417
22
WIRELESS
LED_B/LG_LOGO
C2409
1000pF
50V
OPT
+3.5V_ST
+3.5V_ST
C2402
0.1uF
KEY2
R2430
10K
R2401
100
NEC_EEPROM_SCL
Q2406
2SC3052
E
B
C
R2428
22
C2410
0.1uF
16V
OPT
L2404
BLM18PG121SN1D
R2411
100
EYEQ/TOUCH_KEY
+3.3V_Normal
+3.5V_ST
R2408
47K
Commercial
KEY1
D2404
5.6B
L2401
BLM18PG121SN1D
R2416
10K
OPT
R2429
47K
D2403
5.6B
NEC_EEPROM_SDA
L2402
BLM18PG121SN1D
C2403
0.1uF
16V
C2401
0.1uF
R2410
100
R2419
47K
WIRELESS
P2401
12507WR-12L
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
3.5V_ST
7
GND
8
LED_B
9
IR
10
GND
11
3.3_NORMAL
12
LER_R
13
.
Q2400
2SC3052
LE7300
E
B
C
R2424
120K
OPT
+3.5V_ST
R2432
4.7K
LE7300
LED_R/BUZZ
+3.5V_ST
R2423
10K
OPT
L2405
BLM18PG121SN1D
LE7300
R2415
0
IF_AGC_MAIN
IF_AGC
R2433
1.5K
NON_LE7300
R2414
0
R2434
4.7K
LE7300
+3.5V_ST
IR & EYE & KEY & LED (LA01D N.AMERICA)
WIRELESS
COMMERCIAL
NON_LE7300
5V_Normal
Locate the Zener Diode to wafer closly
ST_LED
LE7300
IF AGC
DEMOD
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