Sony FDL-PT222 service manual CHROMA, LCD Interface

Pin

Volt

Pin

Volt

Pin

Volt

IC301

1

3.0

24

4.2

23

3.4

2

3.1

IC401

1

1.3

24

-

3

0.6

2

0

25

3.8

4

-

3

0.8

26

3.3

5

3.5

4

0.8

27

0.9

6

2.5

5

2.7

28

0.9

7

-

6

2.7

29

0.9

8

-

7

2.8

30

0.8

9

2.8

8

2.8

31

0.3

10

3.0

9

3.3

32

3.8

11

2.9

10

1.9

33

GND

12

3.1

11

3.9

34

1.8

13

GND

12

3.9

35

1.1

14

0.3

13

0

36

0

15

-

14

3.9

37

0.3

16

-

15

1.7

38

3.6

17

1.5

16

1.7

39

GND

18

3.7

17

1.7

40

0

19

1.6

18

1.7

41

2.1

20

2.0

19

1.7

42

0

21

3.4

20

2.0

43

3.5

22

-

21

2.0

44

GND

23

2.0

22

GND

B

C

E

Q302

0.3

3.5

GND

Q303

3.6

1.8

4.1

Q402

3.9

4.4

3.2

Q403

2.1

0

GND

Q408

0

3.8

GND

1

2

3

4

5

6

Q406

GND

-0.7

6.5

12.4

13.3

6.5

Q407

1.8

0

6.5

1.8

1.8

13.3

DIODE

*

D301

B-2

3

D302

B-2

3

D303

F-2

3

D401

C-3

3

D403

F-4

3

D404

F-4

3

D405

B-3

3

IC

IC301

C-3

IC401

C-4

TRANSISTOR *

Q302

C-3

2

Q303

B-2

2

Q402

B-3

2

Q403

C-3

2

Q406

C-5

@º

Q407

B-5

@º

Q408

C-3

2

VARIABLE

RESISTOR

RV301

B-2

RV402

C-4

B

[ CHROMA, LCD INTERFACE]

– B Board –

1

2

3

4

5

A

B

C

< Component Side >

D

E

F

G

< Conductor Side >

– 26 –