Skyworth 4T01A Schematic

87654321

9V-2

G

R

D

+33V

3

4

11223

55667

8

7

8

AGC VT BU BH BL BM AGC IF

R113 10K

5V

9V-2

9V-1

1

2

3

IF VCC

DE-EMP

AUDIO OUT

56

6

4

5

IF GND

AFT OUT

8

7

9

10

11

12

13

14

15

16

17

IF IN

IF IN

RF AGC

XIOI

Ys/Yn

OSD R

OSD B

IF AGC

AFC FIL

Y/C GND

OSD G

RGB Vcc

R OUT18G OUT19B OUT

20

21

22

23

24

ABCL

V NFB

V OUT

V RAMP

GND33H OUT

SCP OUT34VIDEO OUT35VDD36B-Y IN37R-Y IN38Y-IN39H-AFC40EXT.IN/Y41GND42TV IN/Y43BLACK DET44C IN45Y/C Vcc46DET OUT47LOOP FIL48GND49VCO50VCO51VCC Vcc52SIF IN53RIPPLE F54EX AU.IN55FM DC NF

27

25

26

28

SCL

SDA

V AGC

32

H VCC

SIDENT29FBP30SYNC OUT

31

B

HEAT

D

21

GND

20

KARACK ST

19

SGV

18
17

C

16
15

14

13
12

11

10

9

8

7
6

5
4

3

2
1

KEY-IN

KEY-IN

MODE1
AFC IN

SDAB

SCLB
BAND2

BAND1

LED
POWER

IF3

EXT MUTE
MUTE

RNT OUT
VT

GND

OSD R

OSD G

OSD B
OSD YS

HSYNC
VSYNC

X OUT
RESET

VIDEO1/2

REMOT
H.SYNC

S-VIDEO

OSC1

OSC2

GND

X IN

SCL1

SDA1

IF1
IF2

VDD

22
23

24

9V-2

8

9

5V-2

9V-2

9V-2

9V-2

16

vcc

112233GND

131x142x15

4

121110

COM

567

9

8

25
26

27
28

29

30
31

32

33
34

35

36
37

38
39

3

4

11223

vcc

16

567

GND

COM131x142x

15

121110

40

41
42

180V

C

9V

B

180V HEAT

+33V

1234567

9V-2

5V-2

A

9V-1

5V-1

B

A

Title

Number RevisionSize

A2

Date: 8-Jun-2002 Sheet of
File: D:\Program Files\Design Explorer 99 SE\Examples\PCB Auto-Routing\4t011.DDBDrawn By:

1 2 3 4 5 6 7 8