LG W2243S Schematic
Copyright © 2009 LG Electronics. Inc. All right reserved. - 33 - LGE Internal Use Only
Only for training and service purposes
R939
180R 1/8W
+5Vi
D901
1N4007
93G 5212T52T
ZD903
NC
NC
1 2
C914
2200pF50V
FB901
BEAD
12
!
C913
0.001uF
L901
30mH
142
3
C927
2200pF50V
R928
9.53K OHM 1/10W
R913
220 OHM 1/4W
ZD902
RLZ5.6B
93G 39S 24 T
1 2
R922
1K 1/10W 1%
R941
100R 1/8W 5%
!
+
C929
680uF 25V
R917
100R 1/8W 5%
R915
100R 1/8W 5%
CN903
1
2
3
4
5
6
7
8
9
D904
IN4148
R900
620K OHM 1/4W
T901
POWER X'FMR
1
3
4
5
6
7
8
9
10
11
12
C925
0.001uF
!
R931
4.7 OHM
R906
100K 1/10W 1%
61G0603100 3F
!
C912
1500PF2KV
+16V
U903
KIA431A-AT/P
C910
0.47UF/50V
R929
NC
R926
1K 1/10W 1%
R918
180R 1/8W
VOL
MUTE
+
C911
22uF 50V
+
C920
470uF 16V
F801
NC
U902
PC123X2YFZOF
12
43
RJ938
0 OHM 3/4W
C909
470pF
!
D905 FMX-12SL
123
R940 180R 1/8W
FB907
BEAD
1 2
+
C907
120uF 450V
DIM
R932
0R05 1/10W 5%
C900
0.0047UF/400V
L904
R908
20K OHM 1/4W +-5%
!
!
R920 180R 1/8W
D906
50PQSA065
!
ZD904
RLZ27B
1 2
!
R938
3K9 1/10W 1%
R916
100R 1/8W 5%
!
ZD901
RLZ18B
1 2
R942
100R 1/8W 5%
D907
31DQ06FC3
R923
1K 1/10W 1%
U901
LD7577
1
2
3
4 5
6
7
8
BNO
COMP
CS
GND OUT
VCC
NC
HV
R910
2R2 1/4W 5%
NR901
NTCR
C906
0.1uF
65G1206104 32
R911
10R 1/4W 5%
!
R902
620K OHM 1/4W
C908
!
D902
FR103
R912
10K 1/10W 1%
+5V
+5V
C921
1uF/25V
F901
FUSE
C915
0.1uF
Q901
FMA07N65GX
R914
0.39 OHM 2W +-5%
+16Vi
L903
R921
150R 1/8W 5%
CN901
SOCKET
12
3
R927
1Kȍ 1/8W
R925
470R 1/4W 5%
R930
9K1 1/10W 1%
C901
1000PF/250VAC
R903
3.3Mȍ 1/4W
61G1206335
+
C918
470uF 25V
C903
0.47uF/275V
-
+
BD901
KBJ408G
2
1
3
4
!
C902
1000PF/250VAC
C916
0.001uF
!
+
C905
1uF 450V
67G215S10915T L
FB904
BEAD
1 2
R909
100KOHM/2WS
!
F802
FUSE
!
F902
FUSE
Q902
KTD1028
R924
250OHM2W
+
C919
470uF 25V
RV901
NC
R901
620K OHM 1/4W
C922
4uF7 25V
R905
3.3Mȍ 1/4W
61G1206335
C904
NC
ON/OFF
C923
NC
+
C917
680uF 25V
D903
FR107
R904
3.3Mȍ 1/4W
61G1206335
!
R919 180R 1/8W
2. POWER
Copyright © 2009 LG Electronics. Inc. All right reserved. - 34 - LGE Internal Use Only
Only for training and service purposes
C817
2pF/3KV
L801
200mH
124
3
LV2
R845
10K 1/10W
PT801
POWER X'FMR
6
2
7
5
1 8
R936
51KOHM +-5% 1/10W
CN803
CONN
1
2
LV3
R809
1M 1/10W 5%
R840 1M 1/ 8W 5%
R841 1M 1/ 10W 5%
C803
0.1uF
R842
10K 1/10W
C808
33NF50V
Q805
AO4620
1
2
3
4 5
6
7
8
S2
G2
S1
G1 D1
D1
D2
D2
LV3
ZD802
RLZ5.6B
1 2
R804
5K1 1/8W 5%
C801
0.047uF
R837
7K5 1/10W 5%
R810
100K 1/10W 1%
+5Vi
R818 2R 2 1/8W 5%
C815
0.47UF/ 50V
C823
0.47uF/25V
Q802
2N7002 SOT-23
R815
7K5 1/10W 1%
R836
56KOHM +-5% 1/10W
D806
BAV70
3
1
2
R806
100K 1/10W 5%
CN801
CONN
1
2
DIM
C818
1uF/25V
R816 2R2 1/8W 5%
R808
390R 1/10W 1%
ZD803
RLZ5.6B
1 2
C821
56pF3KV
C802
0.047uF
+16Vi
R807
10K 1/8W 5%
+
C804
1000uF 25V
LV1
C811
0.47UF/ 50V
R819 2R 2 1/8W 5%
R844
10K 1/10W
L802
200mH
124
3
C814
220pF
D801
IN4148
C809
220pF50V
C819
56pF3KV
+5Vi
C813
NC
C822
56pF3KV
+16V
C805
33NF50V
C820
56pF3KV
CN804
CONN
1
2
R801
10K 1/8W 5%
R802
22R 1/8W 5%
IC801 ta9687GN-A-0-TR
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
VSEN
SSTCMP
CT
RT1
GNDA
PDR2
GNDP
NDR2NDR1
PDR1
VDDA
TIMER
PWM
ISEN
OVPT
ENA
RJ838
0 OHM 3/4 W
Q904
2N3904S-RTK/PS
R803
5K1 1/8W 5 %
ON/OFF
Q806
AO4620
1
2
3
4 5
6
7
8
S2
G2
S1
G1 D1
D1
D2
D2
R843
10K OHM 1/4W
R937
2KOHM +-5% 1/4W
D808
BAV70
3
1
2
R811
82 KOHM +-1% 1/8W
R935
20KOHM +-5% 1/10W
LV1
D807
BAV70
3
1
2
R830
5K1 1/8W 5%
Q903
RK7002FD5T116
CN802
CONN
1
2
R934
30KOHM +-5% 1/10W
R817
2R2 1/8W 5%
R839 1M 1/ 10W 5%
LV2
LV4
C810
0.0022uF
LV4
D803
BAV99
3
1
2
R828
6.2M OHM 1/2W
R812
100K 1/8W 5%
R838 1M 1/ 10W 5%
R813
100K 1/10W 5%
C806
2.2uF/16V
Change 82K +-1 %
3. INVERTER
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