LG 715T2276 Schematic

1

2

3

4

5

6

7

8

16V

C934

1000uF/25V

2

L924
35uH

1

INV-ON/OFF

BRIGHTNESS

1
2
3
4
5
6
7
8

9
10
11

CN921
CONN

R934
330R 1/10W

R939
10K 1/10W

R944

3.3K 1/10W

BD901 A1 CN901 D1
CN921 B7 C900 C1
C901 C1 C907 A2
C908 D1 C910 B5
C913 B3 C916 C3
C917 B4 C920 A4
C931 A5 C932 B6
C933 A6 C934 A7
C935 D5 C936 B6
C937 B7 C939 C2
C940 D6 C942 C7
C944 D6 D901 B4
D908 D7 D912 B4
D913 B3 D921 A5
FB902 B5 F901 D1
HD921 B5 HQ901 C5
H900 D2 IC901 B3
IC902 C4 IC921 D5
IC922 C6 L901 B1
L902 C1 L921 A6
L924 C7 NR901 D2
Q901 B4 Q905 D7
RV901 D1 R900 D1
R901 D1 R902 D1
R904 A2 R905 A4
R906 B2 R907 A3
R908 B2 R913 B3
R915 B4 R916 B2
R917 C4 R918 C4
R919 C4 R920 C4
R921 C3 R924 C4
R926 B4 R930 D6
R931 A6 R932 A6
R933 D6 R934 C7
R935 D5 R936 D5
R937 D5 R938 D5
R939 C7 R942 D7
R943 D7 R944 C7
R945 D6 SG1 E3
SG4 E3 SG5 E3
SG6 E4 T901 A5

1 2

0.8uH

C933

1000uF/25V

L921

C937

0.1uF

C936
1000uF/10V

A A

C931

12

T901

HQ901

POWER X'FMR

3

7
8

2

9
10

1

5

11
12

6

FB902

3.5*6

1

BD901
4A/800V

2

3

C907
120uF/450V

4

B B

2

3

L901

15.0mH

1

C900
470pF/250V

4

C901
470pF/250V

R916

100K

R904
620K

R908
620K

R906
620K

IC901

LD7575PS

1

RT

2

COMP

3

CS

4 5

GND OUT

HV

NC

VCC

R907
10K

R905

100K 1W

C920

2200pF/500V

D901
RGP10M

D912
RGP10D

R926

Q901

2

2SK2996

3.3

C913

8

0.1uF

7

6

D913

MLL4148

C917

47uF/50V

1

R913

10R

R915

R

22

R919
22K

3

1000PF/500V

1

3

C910

0.0015uF/250V

12

D921
SP20150

HD921

1

2

R931 100

R932 100

C932
1000uF/25V

1

C C

1

4

L902

2.0mH

2

3

RV901

TVR10561(opation)

C939
270pF

C916
1N 50V

R921
NC

R918
680R

R917
680R

R920
NC

R924

0.36 2W

1

4

IC902

TCET1103

2

3

R936

R937
100R

1.5K

C940

1uF

IC922

TPS5420DR

6

GND

7

VIN

8

PH

VSENSEENA

NC
NC

BOOT

C942

0.01uF

45
3
2
1

D908
SM240

R935
1K

R933

13.3K

R930

2.43K

R945

C944

0.1uF

100 1/10W

Q905

PMBS3904

R943

22K

R942

47K

6

7

8

D D

R900
560K

3

R901
560K

C908

1 2

0.47uF/275V

CN901

1

R902
560K

F901

12 12

NR901
7OHM NTCR

H900
CON1

1

2

ZD925

RLZ18B

1

C935

0.022uF

IC921
AZ431A

R938

22K

FUSE T2.5A H 250V

2

AC SOCKET

E E

1

2

SG1
CON1

1

3

Spark gap

SG4

SG5

CON1

CON1

1

1

SG6
CON1

1

4

5

1

2

3

4

5

6

7

8

9

10

11

1

CN821

2

D831

BAV99

D851
BAV99

CONN_NC

1

CN831

2

CONN

1

CN823

2

CONN_NC

2

CN833

1

CONN

1

CN851

2

CONN

1

CN824

2

CONN_NC

1

CN825

2

CONN_NC

2

CN853

1

CONN

A A

C801

10pF/3KV

1

C802

3pF/3KV

2

C838
1nF_NPO

1

R837

7.5K_1%

2

1

C805

3pF/3KV_NC

2

1

R854

6.2M 1/2W

2

R857

7.5K_1%

C858
1000pF_NPO

1

C810

3pF/3KV

2

1

R834

6.2M 1/2W_NC

2
2

R824

100pF

1

1

C860
270pF

2

1

R839

6.2M 1/2W

2

C807

1

3pF/3KV_NC

2

1

C861
270pF

2

2

R825

100pF

1

1

R859

6.2M 1/2W_NC

R835

1 2

10K_1%

R829

0 1/10W

R855

0

R849

1 2

10K_1%

1

R856

10K_1%_NC

2

1

R836
10K_1%

2

1

R830

10K_1%_NC

2

1

R850
10K_1%

2

D833

BAV70/SOT23B

2

1

D853

BAV70/SOT23B

1

2

OP1

R831
1K

3

1

3

2

R833
1K

OP2

OP3

R851

3

1K

3

1

2

R853
1K

OP4

27R

PT801

1

7

2

3
4

85

6

80TL15T900 DN

PT802

1

7

2

3
4

85

6

80TL15T900 DN

1

2

C806

1

10pF/3KV

2

16V

VDD

1
2
3
4 5

AM9945N

16V

C840

1
2
3
4 5

AM9945N

Q821

S1
G1
S2
G2 D2

Q841

S1
G1
S2
G2 D2

1

C821
1uF

2

8

D1

7

D1

6

D2

1

C841
1uF

2

C842

1.5nF

8

D1

7

D1

6

D2

C820

R813
47K_1%

C813
390pF_NPO

470uF/25V

470uF/25V

1

C811
1uF

2

B B

R803

1 2

10K_NC

R801

C C

BRIGHTNESS

10K_1/4W_NC

R806

100K

1

12

2

1

D D

3

Q801

2N7002_NC

2

VDD

1

2

1

2

C831

0.33uF

R804
10K

C826

0.01uF/NC

R815
30K

1

2

C846
1uF

R816
20K

U811

1

DRV1

2

VDDA

3

TIMER

4

DIM

5

ISEN

6

VSEN

7

OVPT

8 9

NC1 NC2

OZ9938GN

VDD

R807

10K 1/10W

1

C819

0.01uF/25V

2

PGND

DRV2

GNDA

SSTCMP

LCT

ENA

C832

0.1uF

12

CT

R819
1M

16

15

14

13

12

11

10

1

R811

3M3

2

C812

0.1uF

C847
22nF

1

R812
620K

2

1

2

1

2

1

1

R821

R822

27R

27R

2

2

2

C822

1.5nF

1

1

1

R842
27R

2

2

2

1

R841
27R

2

1

2

1

1

2

2

1

C823

1.5nF

R823

27R

R843

27R

C843

1.5nF

1

R820
27R

2

2

R844

1

2

R861

BRIGHTNESS

E E

12

180K_1%_1/6W

Isen

Q880

2N7002

3

2

16V

1

Q873

2

PDTA144EU

Q871
2N7002

3

R873

2.7K

2

RLZ5.6B

1

ZD874

2

R874
330 1/10W

3
1

Q874

1

2N3904

2

1

VDD

C874
1uF

2

F F

INV-ON/OFF

R871

10K_1/4W

12

2

R872

100K

1

1

C871

0.1uF_NC

3

2

1

R863

33K_1%_1/6W

C880

0.1uF

12

VDD

1

R880
10K_1/4W

1

C865

33nF

2

R865
215 _1%

1

R866

100K/NC

2

2

Q881

2N7002

Q883

2N7002

Q885

2N7002

Q886

2N7002

3

1

2

3

1

2

3

1

2

3

1

2

C881

0.01uF

C883

0.01uF

C885

0.01uF

C887

0.01uF

1

R881

100K

2

1

R883

100K

2

1

R885

100K

2

1

R887

100K

R882

R884

1K

R886

R888

D881

12

1K

IN4148

D883

12

OP1

OP2

IN4148

D885

12

IN4148

1K

D887

12

IN4148

1K

OP3

OP4

CN821 A10 CN823 B10
CN824 C10 CN825 D10
CN831 A10 CN833 B10
CN851 C10 CN853 D10
C801 A7 C802 A7
C805 B7 C806 C7
C807 C8 C810 D7
C811 B3 C812 C4
C813 C4 C819 D3
C820 B5 C821 B5
C822 B5 C823 B6
C826 C2 C831 C2
C832 C4 C838 B7
C840 C5 C841 C5
C842 D5 C843 D6
C846 C2 C847 C4
C858 D7 C860 B8
C861 C8 C865 E8
C871 F3 C874 G4
C880 E4 C881 F5
C883 F5 C885 F5
C887 G5 D831 B9
D833 B9 D851 C9
D853 C9 D881 E6
D883 F6 D885 F6
D887 G6 PT801 A6
PT802 C6 Q801 C2
Q821 B5 Q841 D5
Q871 F3 Q873 F3
Q874 F4 Q880 E4
Q881 E5 Q883 F5
Q885 F5 Q886 F5
R801 C1 R803 C2
R804 B2 R806 C1
R807 D3 R811 B4
R812 C4 R813 B4
R815 B2 R816 C2
R819 D3 R820 B6
R821 B5 R822 B5
R823 B6 R824 B8
R825 D8 R829 B8
R830 B8 R831 A9
R833 B9 R834 A8
R835 A8 R836 B8
R837 B7 R839 B8
R841 C5 R842 C5
R843 C6 R844 C6
R849 D8 R850 D8
R851 C9 R853 D9
R854 C7 R855 C8
R856 C8 R857 C7
R859 D8 R861 E2
R863 E4 R865 E9
R866 E9 R871 F2
R872 F2 R873 F3
R874 F4 R880 E5
R881 F6 R882 E6
R883 F6 R884 F6
R885 F6 R886 F6
R887 G6 R888 G6
U811 B3 ZD874 F3

2

G G

H H

1

2

3

4

5

6

7

8

9

10

11