42LT760H-TA (CHASSIS:LB3AF) - LG TV Service Manual (repair manual). Page 50

THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.

1/16W

1.2K

R9102

10uF
25V

C9111

EXT_5V

1/16W

20K

1%

R9114

CB3216PA501E

L9101

22uF
25V

C9106

NR8040T3R6N

3.6uH

L9104

22uF
16V

C9103

12K

1%

R9116

CB3216PA501E

L9103

100

R9115

BLM18PG121SN1D

L9102

P_12V

1/8W

200K

1%

R9117

22uF
16V

C9101

200

R9108

18K

R9100

470pF
50V

C9105

EXT_PWR_DET

EXT_12V

MP5000DQ

IC9101

3

ENABLE/FAULT

2

DV/DT

4

I-LIMIT

1

GND

5

NC

6

SOURCE_1

7

SOURCE_2

8

SOURCE_3

9

SOURCE_4

10

SOURCE_5

11

VCC

43

R9104

100K

R9105

THERMAL

MP4460DQ-LF-Z

IC9102

3

EN

2

SW_2

4

COMP

1

SW_1

5

FB

6

GND

7

FREQ

8

VIN_1

9

VIN_2

10

BST

11

EP_GND

THERMAL

TPS54327DDAR

IC9103

3

VREG5

2

VFB

4

SS

1

EN

5

GND

6

SW

7

VBST

8

VIN

9

[EP]GND

APX803D29

IC9100

1

GND

3

VCC

2

RESET

100pF

C9112

EXT5V_CTRL

D9101

A2

C

A1

56K

1%

R9113

EXT_5V

0 . 1 u F

50V

C9104

100K

R9110

0 . 1 u F
50V

C9110

11K

1%

R9112

0 . 1 u F

50V

C9107

P_12V

150K

R9107

EXT_12V

150pF
50V

C9114

+24V

1K

R9101

0 . 1 u F
50V

C9109

MBRA340T3G

D9100

22

R9111

22UH

L9100

10K

R9103

0 . 1 u F

50V

C9113

EXT12V_CTRL

0 . 1 u F
16V

OPT

C9100

3 . 3 u F
50V

C9102

1/16W

10K

1%

R9106

2.4K

R9109

P_12V

3300pF
50V

C9115

1uF
10V

C9108

1/16W

270K

1%

R9118

2 0 1 1 . 0 2 . 0 9

xxLT760H-UA

91

5V/12V Power Out

EXTERNAL_POWER OUT 5V/12V

c l o s e   t o   p i n

EXTERNAL_POWER DETECTION

$ 0 . 2 1

c l o s e   I C 1 8 0 0

S w i t c h i n g   n o i s e   r e d u c i n g   [ M P S   r e c o m m e n d ]

Vout=(1+R1/R2)*0.765=5.03V