Sony FDL-PT222 service manual T1 Board

Page 13

T1 BOARD IC VOLTAGE LIST

 

Pin

Volt

 

Pin

Volt

 

Pin

Volt

IC001

1

2.7

 

20

2.2

 

7

3.4

 

2

0

 

21

2.9

 

8

GND

 

3

0.3

 

22

0.8

 

9

4.3

 

4

0.5

 

23

2.1

 

10

1.6

 

5

2.5

 

24

2.1

 

11

1.6

 

6

2.5

 

25

-

 

12

GND

 

7

2.5

 

26

1.7

 

13

1.8

 

8

4.3

 

27

3.8

 

14

3.5

 

9

-

 

28

0

 

15

2.1

 

10

0.7

 

29

GND

 

16

1.5

 

11

2.5

 

30

0

 

17

2.4

 

12

0

 

31

0

 

18

2.0

 

13

0.3

 

32

0

 

19

1.9

 

14

0.0

IC201

1

3.4

 

20

1.9

 

15

3.7

 

2

3.4

 

21

3.4

 

16

-

 

3

1.6

 

22

3.4

 

17

-

 

4

3.3

 

23

0.4

 

18

0

 

5

4.2

 

24

1.7

 

19

2.2

 

6

3.4

 

 

 

T1 BOARD TRANSISTOR VOLTAGE LIST

 

B

C

E

 

 

 

Q003

0

3.7

GND

 

 

 

Q004

3.7

0.7

4.3

 

 

 

Q007

2.6

0.5

4.3

 

 

 

Q201

1.0

4.2

0.3

 

 

 

Q202

1.9

GND

2.6

 

 

 

Q203

0

3.5

GND

 

 

 

 

1

2

3

4

5

6

Q002

0

1.7

2.2

29.5

1.7

2.2

T1 BOARD

DIODE

*

D001

 

B-7

8

D002

 

B-2

7

IC

 

 

 

IC001

 

C-2

 

IC201

 

B-6

 

TRANSISTOR *

Q001

 

D-8

1

Q002

 

D-8

 

!•

Q003

 

B-8

 

1

Q004

 

B-8

 

1

Q007

 

B-2

 

2

Q010

 

D-10

 

 

Q011

 

D-7

 

!¶

Q012

 

D-7

 

1

Q201

 

D-6

 

2

Q202

 

B-3

 

1

Q203

 

D-4

 

1

VARIABLE

RESISTOR

RV001 B-3

RV002 B-3

RV004 B-3

RV201 B-3

T1

[ ELECTRONIC TUNRTR, VIF, SIF]

– T1 Board –

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

A

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

E

 

< Component Side >

 

 

 

< Conductor Side >

 

 

– 17 –

– 18 –

Page 12 Page 14
Image 13
Page 12 Page 14
Contents
LCD Color TV FDL-PT222 Section General Page Cabinets Section DisassemblyService Position Board Adjustment FDL-PT222 Section Circuit AdjustmentsAudio Output Check VIF.AFT Coarse Adjustmnt T201, T202 T1 Board AdjustmentRF. AGC Adjustment RV201 AFT Fine ADJUSTMENTT201Channel Display Position Adjustment Contrast Adjustment RV402Block Diagram Section DiagramsPower SUPPLY, LCD Back LIGHT, Headphone AMP Circuit Boards Location Printed Wiring Boards and Schematic DiagramsT1 Board IC201 M51348AFP T1 Board IC001 AN5707NFAPT1 Board Waveforms T1 Board Headphone AMP Board IC501 NJM2070MBoard 0Vp-p 4.5MHz 1Vp-p 4.43MHz 0Vp-p H 7Vp-p H 1Vp-p H 4Vp-p H Board WaveformsCHROMA, LCD Interface Semiconductors Section Exploded ViewChassis Section Capacitors PF ∝∝ F FDL-PT222 Section Electrical Parts ListT1 B Short RES, ADJ, Carbon 47K Tint RES, VAR 50K BRT 965-300-01
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