LG 715L1624 Schematic

This IC uses a CMOS device with high dielectric
strength (30V) to implement low power consumption.

FA5500A: 11.5V ON / 9V OFF
FA5501A:13V ON / 9V OFF

L904
PFC CHOKE ERL28

5

R906
10K 1/10W 1%

C111

R969

0.82 2W

123

AC INLET 4
TUBE

1028 3

+

C913

C914

22uF/50V

0.1uF

C915

0.01uF

VCC2

R111

4.7M 1/8W

8754

D2

IC903

STR-A6252

OCP

C953

0.22uF/25V

123

C911
1uF/450V

C910
1uF/450V

390K 1/8W

AC INLET 1
AC INLET

N.C C906

R900

F901

5A/250V

123

100PF/1KV

C903
1000PF/250V

R901
390K 1/8W

CN901
3P/3.96mm

2 3

1 4

2 3

1 4

C908

0.47uF/250V

RV901
Varistor

R903

620K 1/8W

L903

120UH

R904

620K 1/8W

R905

N.C C905

0 1/8W

100PF/1KV

32

BD901
D10XB60

-+

1 4

L902

C904
1000PF/250V

L901

R902
390K 1/8W

t

1 2

123

123

AC INLET 3

AC INLET 2

WIRE L/N

WIRE GREEN

D925

BA159G

0.01F/630V

NR901

5A/3

VCC2

6

R907
68K 1/10W

876

VCC

FB

123

C916
220pF

D1

FM

GND

213

R973

82K 1/10W

18K 1/10W

C912
1uF/450V

VCC1

R974

D901
1N5406

D902
YG972S6R

OUT

FA5500AN

COMP

R112

4.7M 1/8W

VCCFB

C954

4700PF/25V

GND

MUL

R908
0 1/10W

5

ZCD

IS

IC901

4

R914
10K 1/10W

C917

0.47uF/25V

1000PF/1KV

C952

0.1uF

R920

100 1/8W

R909
22 1/10W

R113

4.7M 1/8W

C950

20K 1/10W

R911

470 1/10W

C918
1000PF/50V

10K 1/10W 1%

B+

R971

1K 1/10W

+

C955
10uF/50V

Q912
PMBS3906

3 2

+

C956
10uF/50V

C920
22uF/50V

D903
LL4148WP

R910

R919

220K 1/10W

1

R114

+

R972

1K 1/10W

R965

100K 2W

D916

BA159G

D918
UF4003

C951
47uF/50V

+

+

C907
PX 150uF/450V 22*41

STP20NM50FP

R912

0.15 3W

R918

18K 1/10W 1%

D917

R970
5R1 1/8W

1

C972

0.1uF

Q901

BA159G

VFB

R915
330K 1/8W

R916
330K 1/8W

R917
330K 1/8W

C112

0.1uF

IC911
PC123FY2 4P

D919

LL4148WP

32

Q913
PMBS3904

10K 1/8W

N.C R921

R922

1K 1/10W

IC111

1

OUT

2 3

VIN N.C

NCP305

T902

EFD25/ Lp=?UH

1 6

3

4

5

43

IC922
KIA431

HS1

1
2

H/S Q901

Q910

1

1 2

POWER CTRL

GND

7

9
10

R976
470 1/6W

12

HS2

1
2

H/S Q902

32

PMBS3906

RLZ15B

FMW-2156

NCP1377 VCC

13.8 ON

籹祘

20V

ZD901

B+

Demag The auxiliary FLYBACK signal
ensures discontinuous operation and
offers a fixed
overvoltage detection level of 7.2 V.

N.C C921

0.01UF/1KV

C923　shift vally
Demg

筿瑈禬筁

IC902

1

Demag

2

FB

3

CS

4

C926

GND

470PF

NCP1377

C927
470PF

VCC Increasing Level at which the

4

R999

100 1/8W

R997

100 1/8W

R998
100 1/8W

1000uF/16V

C962

0.1uF

D920

C957

R977

2K 1/10W

1
2

H/S D920

HS3

0 1/10W

1
2

H/S D910

Current Source Turns.Off 6 VCCON

11.6 12.5 13.7 V

D909

LL4148WP

+

C965

1000PF/1KV

+

+

C958
1000uF/16V

R979
10K 1/6W

C963

0.1uF

R978

R980

HS7

1
2

HS4

H/S BD901

HS5

1
2

H/S D931

VCC3

3mA

HV

N.C

Vcc

Drv

C928

22uF/50V

1K 1/10W

翴

穦玂臔

VCC3

8

7

6

5

C925

0.1uF

L907

3.5UH

R982

200K 1/10W

1
2

H/S IC903

C923
82PF

C924

HS6

47uF/50V

+

R932

4.7K 1/10W

5VS

R981

10K 1/10W 1%

R983

10K 1/10W 1%

C922

0.0022uF/1KV

R927
10K 1/10W

C973

0.1uF

R930

100 1/10W

+

C959
470uF/16V

DTC144WKA

32

Q916

1

N.C C902
1000PF/250V

1 2

VCC4

1K 1/10W

GND4

1

GND

R926

20K 1/10W

ZD910
RLZ20B

C960

0.1uF

R984

C966

0.1uF

R925
47K 3W

D906

D908

R928
22 1/10W

1 2

BA159G

R929

20K 1/10W

4.94~5.20V

ZD906

RLZ5.6B

D921

LL4148WP

N.C R996

10K 1/10W

D907

LL4148WP

ZD902
RLZ5.1B

1 2

R931

0.27 3W

VCC1

R985

10K 1/10W

BA159G

N.C C901
1000PF/250V

C900
1000PF/250V

Q902
STP10NK70ZFP

PC123FY2 4P

Q914

1

ER4224 Lp=?UH

8

7

6

5

3

1 11

43

IC910

VCC2

32

PMBS3906

ZD909

RLZ15B

T901

1

GND

12

GND1

R941

470 1/6W

12

C943

0.1uF

IC921
KIA431

POWER CTRL

LL4148WP

24VS

FOR BACKLIGHT 24V/4A

24V

8m

4

Vin

R953

15

1K 1/16W

R954

C970

51K 1/16W

0.1uF

51K==>6.0A
DIP

D923

1N4148

56K==>5.4A

S_PROTECTION

12V

8m

F902

R30-250(30V/2.5A)

12VIN

R955

1K 1/16W

3

Vip

IC932

Vss

FP130

2

L101
45UH

R101

1.5K 1/10W

4

R102

1.5K 1/10W
D101

SR54

R103

1K 1/8W

23" R101,R102
150 C907
120UF/450V C102
1000UF/25V ZD904
MTJZ15B

R952
1K 1/16W

Q921
PMBS3904

AUDIO

CN925

1
2
3
4

4P/2.0mm

R956
1K 1/16W

4

Vin

15

outVcc

R959

120K 1/16W

120K==>2.7A

150K==>2.2A

R958
1K 1/16W

+

C102

1000uF/35V

CN921

1
2
3
4

C936

5

0.1uF

6
7
8

9
10
11
12
13
14

14P/2.0mm

CN922

1

2

3

4

5

6

7

8

9
10

10P/2.0mm

CN923

1
2
3
4
5
6
7
8

9
10
11
12

C969

12P/2.0mm

絋粄竲禯

0.1uF

12V

12V

R957
1K 1/16W

Q922
PMBS3904

C971

0.1uF

D924

1N4148

S_PROTECTION

22V

FB101
BEAD

C103

0.1uF

of

FME-210B10A/150V
D931

+

+

C939

R989
JUMPER

R990

43K 1/10W 1%

R945

0 1/10W

1.5K 1/10W 1%

31

C967

0.1uF

R992
470 1/8W

+

1000uF/35V

2

C932

1000uF/35V

15K 1/10W 1%

R947

S_PROTECTION

C933

L906

3.5UH

5V

R994
1K 1/10W

R995
1K 1/10W

R946

C961

0.1uF

24V

TVS901
P6KE12A

1 2

+

C941
470uF/25V

ZD903

MTZJ27B(24.97~26.26V)

LL4148WP

S_PROTECTION

R104

10K 1/10W

Q102

32

PMBS3904

PS

5V

5VS

+

47 /1W

R944

1
2
3
4

Q907
AO4411

C931

1000uF/35V

1000uF/25V

C944

0.1uF

8

D1

S1

7

D1

S1

6

D1

S1

5

D1

G1

R991

470 1/8W

SCR901
2N5060

R988

1K 1/10W

32

R993

1

1K 1/10W

C968

0.1uF

16

15
14

FME-210B10A/150V
D932

9

C930

FMB29L

C938

1000PF/1KV

R942
2K 1/10W

0 1/10W
R943

R987

33K 1/10W

PC123FY2 4P

12

32

1000PF/1KV

D910

R986
1K 1/10W

Q915
PMBS3904

1

1

GND

R940

R939

47 /1W

10K 1/10W

C964

0.1uF

Q923
PMBS3904

GND2

10
13
12

D922

IC912

43

GND3

1

GND

L905

3.5UH

24VIN

1 2

MTZJ24B(22.61~23.77V)

D913

1

PS

D914

LL4148WP

24VS

Q101

PMBS3904

R105

ZD904

1 2

1

LL4148WP

1K 1/10W

24VIN

+

C935
470uF/35V

R950
1K 1/16W

1K 1/16W

FP130

51K==>5.7A
SMD
56K==>5.0A

12VIN

RJ902

1 2

12V

ZD905

MTZJ15B(13.89~14.62V)

1 2

D915

IC101

1 2

VIN SWout

SI-8120

S.S

5

32

C101

0.1uF

AUDIO

CN924

1
2
3
4
5
6
7
8
9

9P/2.0mm

RJ901

1 2

R951

3

Vip

IC931

outVcc

Vss

2

22V

audio power

VOS

GND

3