47LW6500-UA (CHASSIS:LA12C) - LG TV Service Manual (repair manual). Page 31

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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.
2SC3052
WIRELESS
Q906
E
B
C
IR_OUT
2SC3052
Q902
E
B
C
AMOTECH
5.6V
D902
1000pF
50V
C905
+3.5V_ST
S/T_SCL
+3.5V_ST
+3.5V_ST
10K
COMMERCIAL_EU
R913
100
R934
+3.5V_ST
3.3K
OPT
R909
100
R935
+3.5V_ST
2SC3052
COMMERCIAL_EU
Q903
E
B
C
10K
1%
R920
KEY2
0
COMMERCIAL_US
R910
+3.5V_ST
10K
WIRELESS
R914
47K
WIRELESS
R922
22
COMMERCIAL
R906
EEPROM_SDA
0 . 1 u F
C901
CDS3C05HDMI1
5.6V
D905
CDS3C05HDMI1
5.6V
D903
0
OPT
R902
+3.5V_ST
100
R936
IR
LED_R/BUZZ
100
R915
2SC3052
Q901
E
B
C
EEPROM_SCL
+3.5V_ST
47K
COMMERCIAL
R917
CDS3C05HDMI1
5.6V
D904
1.5K
R929
1.5K
R928
IR_PASS
2SC3052
COMMERCIAL
Q905
E
B
C
CDS3C05HDMI1
5.6V
D906
100
R933
47K
R908
2SC3052
WIRELESS
Q904
E
B
C
10K
1%
R919
AMOTECH
5.6V
D901
47K
WIRELESS
R918
BLM18PG121SN1D
L902
+3.3V_Normal
AMOTECH
5.6V
D907
47K
WIRELESS
R912
47K
COMMERCIAL
R921
12507WR-15L
P901
IR_15P
1
EEPROM_SCL
2
EEPROM_SDA
3
GND
4
KEY1
5
KEY2
6
3.5V
7
GND
8
LED_B/LOGO
9
IR
10
GND
11
3.3V
12
LED_R/BUZZ
13
GND
14
S/T_SCL
16
.
15
ST_SDA
0 . 1 u F
16V
C904
OPT
BLM18PG121SN1D
L901
47K
R905
LED_B/LG_LOGO
0 . 1 u F
16V
C902
OPT
47K
R903
22
WIRELESS
R907
KEY1
+3.5V_ST
47K
COMMERCIAL_EU
R911
0 . 1 u F
C903
S/T_SDA
100
R916
100pF
50V
C911
10K
R904
12507WR-12L
IR_12P
P902
1
2
3
4
5
6
7
8
9
10
11
12
13
0 . 1 u F
16V
C912
ESD_ATSC
0 . 1 u F
16V
C913
ESD_ATSC
DUAL COMPONENT
IR & KEY
1ST : 0TRIY80001A  2ND : 0TR387500AA
50
1ST : EAH42720601, 2ND : EAH60994401
BCM35230
Q901,Q902,Q903
Q904,Q905,Q906
c l o s e   t o   w a f e r
9
WIRELESS
D903,D904
D905,D906
COMMERCIAL
IR/KEY
Z e n e r   D i o d e   i s
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