beautypg.com

Block diagram – Toshiba 14N21NS User Manual

Page 19

background image

MAIN W/T.TEXT
IC101 OECF004A

TU001

CHROMA
IC201 STV2246C

SOUND AMPIC
IC1001
AN7511

V-DRIVE
IC401 TDA8714A

FB401

SW TRANS

T501

CVBSOUT1

XTAL2

29

39

VCC_IF

VCC_D

53

12

OSD-R

36

XTAL1

40

VCC1

VCC2

17

45

OSD-G

35

OSD-B

34

FM_OUT

11

7

1

5

4

11

SCL SDA

BPL

AGC

IF

7

6

8

I2C

P.CON+5V

SDA

13

OSD-B

OSD-G

10

9

SCL

14

OSD-R

CVBS2

29

11

CVBS1

30

SDA

5

SCL

6

MEMORY
IC199 S-24C04BDP-LA

27

37

57

21

50

AVDD1

AVDD2

ON_TIMER

AVDD3

REMORT

OSC_OUT

51

OSC_IN

X101

4MHz

STAND BY

D105

ON TIMER

Q103

LED SW

Q102

LED SW

AT+5V

X602
3.579545MHz

X601
4.433619MHz

1

OS101

RF_AGC_OUT

PIFIN1

PIFIN2

VERT 47

SDA

H_OUT 48

52

SCL 51

B.OUT

G.OUT 31

30

R.OUT 32

P.CON+5V

P.CON+8V

3

TRIGGER INPUT

10

1

Vs

POWER OUTPUT

P.CON+25V

Q803

BULE OUT

Q802

GREEN OUT

Q801

RED OUT

J801

9

3

7

F

8

Q402

H.DRIVE

Q401

H.OUTPUT

I2C

DY

1

F

S

2

3

HV

+B

P.CON+25V

CRT
V801

2

8

6

+

1

3

2

SPEAKER
SP1001

5

12

9

SOUND+B

15

+B

P.CON+8V

D

Q501

POWER
SW TR

56

KEY_IN

CH DOWN

CH UP

CVBSIN2 20

AV1

7

J701

3

1

2

6

19

20

INT_CVBS_OUT 13

VIDEO OUT

VIDEO IN

R OUT

L OUT

R IN

L IN

26

27

25

22

11

7

15

21-B IN

21-G IN

21-R IN

Y/CVBS_IN3

B_EXT/U_EXT

G_EXT/Y_EXT

R_EXT/V_EXT

1

3

2

1

3

2

FRONT VIDEO

J702

FRONT AUDIO

J703

BLOCK DIAGRAM

VOL UP

VOL DOWN

40

SOUND+B

16

AT+5V

P.CON+5V

E-1

E-2

5

J1001

Vcc

EXT_AUDIO_IN

14

AUDIO_OUT

55

AUDIO_SW
IC703 NJM2233

2

7

3

1 Vin1

Vin2

AT+5V

SW

Vout