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IR & KEY
+3.5V_ST
+3.5V_ST
R903
47K
R905
IR
47K
R904
C
10K
Q901
B
2SC3052
E
R908
C
47K
B
Q902
E
2SC3052
R902
0
OPT
COMMERCIAL
R906
COMMERCIAL_EU
22
IR_OUT
COMMERCIAL
COMMERCIAL_EU
WIRELESS
R907
22
IR_PASS
WIRELESS
WIRELESS
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
Q901,Q902,Q903
Q904,Q905,Q906
D903,D904
D905,D906
+3.5V_ST
R920
R919
10K
10K
1%
1%
R915
100
KEY1
R916
D902
100
5.6V
KEY2
AMOTECH
C901
C903
0.1uF
0.1uF
+3.5V_ST
D901
5.6V
AMOTECH
+3.5V_ST
R909
3.3K
OPT
L901
BLM18PG121SN1D
C902
C904
C905
0.1uF
0.1uF
1000pF
16V
16V
50V
OPT
OPT
+3.5V_ST
+3.5V_ST
R911
47K
C912
0.1uF
R917
47K
ESD_ATSC
R913
COMMERCIAL
C
10K
Q903
B
2SC3052
E
R935
S/T_SCL
R921
100
COMMERCIAL_EU
C
47K
B
Q905
E
COMMERCIAL
2SC3052
COMMERCIAL
COMMERCIAL_US
R910
R936
0
S/T_SDA
100
+3.5V_ST
Zener Diode is
+3.5V_ST
R912
47K
WIRELESS
R918
close to wafer
47K
R914
WIRELESS
C
10K
Q904
B
2SC3052
E
WIRELESS
R922
C
47K
B
Q906
E
WIRELESS
2SC3052
WIRELESS
DUAL COMPONENT
1ST : 0TRIY80001A
2ND : 0TR387500AA
1ST : EAH42720601, 2ND : EAH60994401
EEPROM_SCL
R933
100
D905
CDS3C05HDMI1
5.6V
R934
EEPROM_SDA
100
D906
CDS3C05HDMI1
5.6V
R928
1.5K
LED_B/LG_LOGO
D907
C911
5.6V
AMOTECH
100pF
+3.3V_Normal
50V
L902
BLM18PG121SN1D
C913
R929
0.1uF
LED_R/BUZZ
16V
16V
1.5K
ESD_ATSC
D903
CDS3C05HDMI1
5.6V
D904
CDS3C05HDMI1
5.6V
IR_12P
IR_15P
P902
P901
12507WR-12L
12507WR-15L
EEPROM_SCL
1
1
EEPROM_SDA
2
2
GND
3
3
KEY1
4
4
KEY2
5
5
3.5V
6
6
GND
7
7
LED_B/LOGO
8
8
IR
9
9
GND
10
10
3.3V
11
11
LED_R/BUZZ
12
12
13
GND
13
S/T_SCL
14
ST_SDA
15
16
.
BCM35230
IR/KEY
9
50
LGE Internal Use Only
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