LG FLATRON E1940T Service Manual page 32

F801
0R05 4A 1/4W
VIN
C803
+
C805
0.1UF50V 33UF 100V
GND
10
9
VIN
CN801
8
CONN
7
33G803210F HR
6
5
4
3
2
1
ENA
DIM
VINA
N.C
HV
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CONVERTER (CMO PANEL)
VINA HV
D801
B360B
1 2
L801
22uH D802
1 2
C804 B360B
+ C802
C801
+ +
DRIVER
NC
NC 33UF 100V
Q801
AOD4126
R805
R803
1R 1%
1R 1%
R802 R804 R807
1 OHM 1 OHM 1 OHM
R842
1R 1%
Vout
R823
180K 1/10W 1%
OVP2
R825
820 OHM +-1% 1/10W
OVP1
R827
R824 6.8KOHM +-1%
NC
Vref 1
Vout
R817
100K 1/10W
IC801
R815 NC
24
23
LDR
STATUS PWM
22
NC ISEN1
21
SSTCMP ISEN2
20
COMP ISEN3
R813 1K
19
SEL ISEN4
2.2U25V C808
18
VIN GNDA
17
GNDP ISEN8
2.2U16V C810
16
VREF ISEN6
R819
15
LDR ISEN7
0R05 1/10W
14
ISEN5
ISEN1_5
13
ISW ISET
ENA
R816
TA9690GN
10K 1/10W
R818 0R05 1/10W
R835 0R05 1/10W
Vref 2
R834
IC802
24
100K 1/10W
23
STATUS PWM
R832 NC
22
NC ISEN1
21
SSTCMP ISEN2
20
COMP ISEN3
R830 COMP2
19
SEL ISEN4
1K
18
VIN GNDA
C815 2.2U25V
17
GNDP ISEN8
16
VREF ISEN6
C812 2.2U16V
15
LDR ISEN7
14
ISEN5
ISEN2_5
13
ISW ISET
ENA
R829
TA9690GN
10K 1/10W
R866
10OHM1/10W
Vref 3
R837 NC
IC803
24
23
STATUS PWM
R841 NC
22
NC ISEN1
21
SSTCMP ISEN2
COMP3
20
COMP ISEN3
R836
19
SEL ISEN4
NC
18
VIN GNDA
C816 NC
17
GNDP ISEN8
16
VREF ISEN6
C814
15
LDR ISEN7
NC
14
ISEN5
13
ISW ISET
ENA
R839
NC
NC
R867
NC
VINA
ISEN1_5
10K
1
R801
2
3
4
5
6
7
8
10 OHM
9
10 OHM
10
OVP1 10 OHM
11
OVP
R809 10 OHM
12
10 OHM
RT
30KOHM +-1% 1/10W 10 OHM 1/10W
R811 10 OHM 1/10W
N.C NC
R814 10 OHM
10 OHM
160KOHM 1/16W
COMP2
COMP3
VINA
10K
1
R826
2
3
4
5
6
7
8
9
10
OVP2 ISEN2_5
11
OVP
R820
12
RT
30KOHM +-1%
R812
N.C
R821 10 OHM
10 OHM
160KOHM 1/16W 10 OHM
10 OHM 1/10W
10 OHM 1/10W
NC
NC
NC
NC
NC
R869
NC NC
1
R831
2
3
Q802
4
NC
5
6
7
8
9
10
OVP2 ZD801
11
OVP
R838
12
NC NC
RT
R810
N.C
R840
NC
LDR
CN804
1
2
3
R848
4
R847
5
R846
6
R845
7
R844
8
R849
9
R850
10
R851
11
R865
12
R855
CONN
CN803 N.C
CN802
CN803
1 1
2 2
3 3
R854
4 4
R853
5 5
R852
6 6
R864
7 7
R863
8 8
R862
9
R861
10
R860 CONN
11
R859
12
R858
VINA
NC
R871
0R01 1/10W
Q805
R873 SST2222A
1K 1/4W
C809
R872
R875
0R05 1/4W
DRIVER
R874
0R05 1/10W
R877
Q804 0R05 1/4W
2N7002K
R876
Q803 10K 1/10W
2N7002K Q806
SST2907A
LGE Internal Use Only