Toshiba 20VL14, Service Manual

33

POWER SYSTEMS

TL1451

/C

EM9435A

0.01

POWER

S

YSTEMS

41

4

Title

Size

Document

N

umber

Rev

Date:

S

heet

of

+VIN

VFL

+VIN

+5VSB

+3.3V

M+3.3V

VCC

VCC

VCC3

+VIN

VAU

PVCC

VCC9

VCC

+VIN

+VIN

VCC

+VIN

VPLL

VADC

VCC

L61

MLB-201209-0080P-N2

D18

ZD10V

/0.

5W

/SMD

2

1

D17

ZD5.6V/0.5W/SMD

2

1

R97

1K/0603

1%

R92

6.2K/0603

1%

R85

22/1206

Q8

SMBT3904/SOT23

S

MD

1

3

2

R70

300K/0603

+

C95

10UF/25V/4*5

C89

102P/0603/X7R/50V

R75

22/1206

+

C93

1000UF/10V/8*14

+

C102

470UF/25V/8*14

Q11

SMBT3906/SOT23

SMD

1

3

2

Q9

SMBT3904/SOT23

SMD

1

3

2

Q13

SMBT3904/SOT23

SMD

1

3

2

Q14

SMBT3906/SOT23

SMD

1

3

2

R81

10/0603

R91

10/0603

C105

102P/0603/X7R/50V

C98

102P/0603/X7R/50V

R96

10K/0603

+

C104

470UF/25V/8*14

D3

1N5822/DIP

2

1

L17

100UH/TC6052

L19

BEAD

3.5*6*0.8/DIP

D4

SS14(1N5819)

SMD

2

1

R95

8.2K/0603

C92

105P/0603/Y5V/10V

U8

AIC1117/3.3V/SOT223

SMD

3

1

2

I

G

O

R66

1/1206

U5 AIC1117/3.3V/SOT223

S

MD

3

1

2

I

G

O

R58

1/1206

+

C94

1000UF/10V/8*14

C103 105P/0603/Y5V/10V

+

C74

100uF/16V/6*5

L15

MLB-21029-0060L-N2

R67

1/1206

+

C84 100uF/16V/6*5

R59

1/1206

+

C75 100uF/16V/6*5

R79

10K/0603

R89

10K/0603

Q16

SMBT3904/SOT23

SMD

1

3

2

R76

1K/0603

Q17 SMBT3906/SOT23

SMD

1

3

2

R86

1K/0603

R90

220/0603

R82

220/0603

C87 106P/1206/Y5V/10V

+

C78 100uF/16V/6*5

R61

1/1206

+

C96

470UF/25V/8*14

R77

470K/0603

U9

TL1451/SMD

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CT

RT

1IN

_

1IN

+

CPM1

DT1

OUT

1

GND

VC

C

OUT

2

DT2

CMP2

2IN

+

2IN

-

SP

VREF

C97

104P/0603/X7R/16V

R78

10K/0603

L18

100UH/TC5026

+

C99

1UF/50V/5*11

LF1

EMI

X

FR4

9uH

5Pin

0.6

D

IP

4

1

2

3

SS

PS

PF

SF

C73

104P/0603/Y5V/50V

R63

1/1206

U6

AIC1117/3.3V/SOT223

SMD

3

1

2

I

G

O

+

C100

1UF/50V/5*11

R94

15K/0603

+

C72 470uF/25V/10*17/2Khr

CN1

DC_JACK

2.1

90D

1 2 3

VIN GND NC

R87

10K/0603

R93

24K/0603

L14

MLB-201209-0100A-N4

C71

104P/0603/Y5V/50V

R64

3K/0603

C81

47P/0603/X7R/50V

+

C82

470uF/25V/8*14

R62 1/1/4W/DIP

D1

ZD5.6V/0.5W/SMD

2

1

C77

102P/0603/X7R/50V

R60 22/1206

R88

10K/0603

L13

MLB-21029-0060L-N2

L12

100UH/DR6*8/DIP

+

C90

10UF/25V/4*5

C83

NI/0603

R65

1K/0603

+

C80 220uF/16V/6*11

D2

SS14(1N5819)

S

MD

2

1

R72

33K/0603

+

C88

100uF/25V/6*11

R71

10K/0603

Q7

CEM9435A

S

MD

1

2

3

4

5

6

7

8

S

S

S

GD

D

D

D

U7

TDA34063

SMD

8

7

6

5

1

2

3

4

DC

IS

VCC

CMP

SC

SE

TC

GND

R80

3K/0603

1%

R83

1K/0603

1%

F1

3A/1206/SMD

R68

10K/0603

R73

33K/0603

Q10

SMBT3904/SOT23

S

MD

1

3

2

Q15

CEM9435A

S

MD

1

2

3

4

5

6

7

8

S

S

S

GD

D

D

D

Q12

CEM9435A

S

MD

1

2

3

4

5

6

7

8

S

S

S

GD

D

D

D

R84

20K/0603

R57 NI/1206

R74

100/0603

C86

104P/0603/Y5V/50V

Q5

SMBT3904/SOT23

SMD

1

3

2

C91

104P/0603/X7R/16V

C101

104P/0603/X7R/16V

R69

10K/0603

Q6

CEM9435A

SMD

1

2

3

4

5

6

7

8

S

S

S

GD

D

D

D

C76

106P/1206/Y5V/10V

Q35

SMBT3906/SOT23

SMD

1

3

2

C79

106P/1206/Y5V/10V

R253

10K/0603

R254

100K/0603

+

C357

10UF/25V/4*5

C85

106P/1206/Y5V/10V

C133

105P/0603/Y5V/10V

L60

MLB-201209-0080P-N2

AMP_POWER
9

PANEL_ON
9

SYS_ON
9

''+VIN=+19V''

SCALER

MAX

800mA

VIDEO

DECODER

1W

Memories

240mA

''5V''

ACTIVE

MAX

800mA

Big

Current

Big

Current

Big

Current

3A

2~300mA

TDA7499

FUSE

2.5A

SCALER

ADC 800mA

Big

Current