Daewoo DTQ-29U1SC/SSP, DTQ-29U5SC/SSP service manual IC Description

IC DESCRIPTION

Appendix

PIN

PIN NAME

DESCRIPTION

DEF

ACT

I/O

PUD

STB

1

P10

NC

D

2

P11

NC

-

D

3

P12

NC

-

D

4

P13

NC

-

D

-

5

P14

AV(CVBS in) OPTION

H : AV1~AV2, CVI ; L : AV1~AV3, CVI

-

H

I

U

-

6

P15

INCH OPTION

D

7

P16

NC

D

8

P17

NC(Spare)

9

VSS

GND

10

XT1

Crystal INPUT

I

11

XT2

Crystal OUTPUT

O

12

VDD

Supply Voltage(+5V)

-

13

P84/AN4

Key INPUT

-

-

I

U

H

14

P85/AN5

AFT Signal INPUT

-

H

I

-

L

15

P86/AN6

NC

-

I

-

16

P87/AN7

NC

-

I

-

17

RES(inv)

Reset

-

L

I

-

H

18

FILT

MCU PLL Filter

19

CVBSIN

Composite Video (Closed Caption)

H

I

20

VS(inv)

Vertical Sync

L

I

U

H

21

HS(inv)

Horizontal Sync

L

I

U

H

22

R

OSD RED Signal OUTPUT

H

O

23

G

OSD GREEN Signal OUTPUT

H

O

24

B

OSD BLUE Signal OUTPUT

H

O

25

BL

OSD BLANKING Signal OUTPUT

H

O

26

I

OSD Intensity

27

SDA0

Tuner serial data OUTPUT

H

O

U

28

SCLK0

Tuner clock OUTPUT

H

O

U

29

SDA1

IC serial data INPUT/OUTPUT

H

I/O

U

30

SCLK1

IC clock OUTPUT

H

O

U

31

S-VHS

S-JACK H input - DEFAULT H

*P70

L

H

I

-

32

P71

NC

I

33

P72

NC

34

P73

Remote control Signal INPUT

L

I

H

35

P00

NC

36

P01

VDP3130Y reset OUTPUT

L

H

O

-

L

37

P02

NC

-

38

P03

MSP3420G reset OUTPUT

L

H

O

-

L

39

P04

Video SW OUTPUT : ONLY AV4

H

L

H

O

-

L

40

P05

Audio mute OUTPUT

L

H

O

-

L

41

P06

Degaussing Coil SW OUTPUT

L

H

O

-

L

42

P07

Stand-by Power SW OUTPUT

L

H

O

-

H