LG FLATRON E2040S - SCHEMATIC DIAGRAM - CONVERTER CIRCUIT; LED DRIVER IC (TA9690 GN) AND CONTROL; BOOST CONVERTER AND PROTECTION SCHEMATICS

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Only for training and service purposes
R876
10K 1/10W
R860NC
+
C802
NC
R836
NC
R803
1R 1%
R808
100 OHM
ISEN2_5
R875
0R05 1/4W
ENA
R861NC
C809
2.2U25V
N.C
R817
100K 1/10W
R810
N.C
ZD801
NC
1 2
C807
NC
HV
C8082.2U 25V
VINA
R809
18K 1/10W
Vref 3
R878
47 OHM 1/ 10W
GND
R827
6.8KOHM +-1%
R857
NC
R8681 OHM
C816 NC
ISEN1_5
R819
0R05 1/10W
Q802
NC
R84510 OHM
R854NC
R840
NC
Q801
AOD4126
IC802
NC
1
2
3
4
5
6
7
8
9
10
11
1213
14
15
16
17
18
19
20
21
22
23
24
PWM
ISEN 1
ISEN 2
ISEN 3
ISEN 4
GNDA
ISEN 8
ISEN 6
ISEN 7
OVP
ISET
RTENA
ISW
ISEN 5
LDR
VREF
GNDP
VIN
SEL
COMP
SSTCMP
NC
STATUS
R833
NC
R82210OHM1/10W
COMP2
R856
NC
R813 1K
R870
NC
JR803
33 OHM 1/10W
R802
1 OHM
R84710 OHM
D801
SK310B
1 2
R842
1R 1%
R828NC
F801
0R05 4A 1/4W
VIN
R874
0R05 1/10W
C812 NC
ISEN1_5
COMP3
CN802
NC
1
2
3
4
5
6
7
8
910
CN801
CONN
33G803210F HR
1
2
3
4
5
6
7
8
9
10
11 12
Vref 2
R821
NC
R835 0R05 1/10W
IC803
NC
1
2
3
4
5
6
7
8
9
10
11
1213
14
15
16
17
18
19
20
21
22
23
24
PWM
ISEN 1
ISEN 2
ISEN 3
ISEN 4
GNDA
ISEN 8
ISEN 6
ISEN 7
OVP
ISET
RTENA
ISW
ISEN 5
LDR
VREF
GNDP
VIN
SEL
COMP
SSTCMP
NC
STATUS
R863NC
R834
NC
+
C801
33uF 100V
R839
NC
R843
NC
R862NC
DIM
CN804
CONN
1
2
3
4
5
6
7
8
9
10
11
12
1314
Vout
COMP2
CN803 N.C
R804
1 OHM
R815 NC
R852NC
R858NC
C813
NC
R820
NC
C805
0.1UF50V
R869
NC
R867
NC
C815 NC
LDR
VIN A
+
C804
NC
OVP1
R837 NC
R825
820 OHM +-1% 1/10W
R873
1K 1/4W
R832 NC
R859NC
C814
NC
R841 NC
CN803
NC
1
2
3
4
5
6
7
8
9
10
11
12
1314
R850NC
Q805
SST2222A
R801
10K
R824
NC
R864NC
R812
N.C
R818 0R05 1/10W
+
C803
33uF 100V
R871
0R01 1/10W
R84410 OHM
D802
B360B
1 2
R831
NC
R851NC
R814
160KOHM 1/16W
R829
NC
R806
1 OHM
DRIVER
JR801
33 OHM 1/ 10W
R84810 OHM
R866
NC
C806
1U25V
R830
NC
R872
2K7 1/10W 5%
R823
180K +-1% 1/8W
R877
0R05 1/4W
OVP2
Q803
2N7002K
IC801
TA9690GN
1
2
3
4
5
6
7
8
9
10
11
1213
14
15
16
17
18
19
20
21
22
23
24
PWM
ISEN 1
ISEN 2
ISEN 3
ISEN 4
GNDA
ISEN 8
ISEN 6
ISEN 7
OVP
ISET
RTENA
ISW
ISEN 5
LDR
VREF
GNDP
VIN
SEL
COMP
SSTCMP
NC
STATUS
R855NC
R826
NC
COMP3
Q806
SST2907A
OVP2
R838
NC
OVP2
R811
120KOHM 1/10W
R879 0.15 OHM +-1% 1/4W
Vout
Q804
2N7002K
ISEN2_5
OVP1
R805
1R 1%
C811NC
R853NC
Vref 1
L801
22uH
R816
10K 1/10W
R84910 OHM 1/10W
R865NC
HV
R807
1 OHM
VIN
C8102. 2U 16V
R84610 OHM
2. CONVERTER