Durabrand DCF2003 manuals

Durabrand DCF2003 Service Manual (71 pages)

Brand: Durabrand | Category: TVs & monitors | Size: 3.89 MB |

English

Table of contents

SERVICE MANUAL

1

IMPORTANT SAFETY NOTICE

2

SPECIFICATIONS

3

IMPORTANT SAFETY PRECAUTIONS

5

Precautions during Servicing

7

Safety Check after Servicing

8

STANDARD NOTES FOR SERVICING

9

Instructions for Handling

11

Semiconductors

11

[ DCF2003 ]

12

[1] Rear Cabinet

12

[2] CRT CBA

12

[3] Main CBA

12

TV Cable Wiring Diagram

14

[ DCF2703 ]

15

4-5 L6625DC

16

2. Initial Setting

19

COLOR, TINT, and SHARPNESS

19

5. Purity Check

20

6. SD Check Mode

20

7. H. Position Adjustment

21

8. V. Size Adjustment

21

9. V. Position Adjustment

21

10. Software Reset

21

11. Cut-off Adjustment

22

12. White Balance Adjustment

22

13. Sub-Brightness Adjustment

23

14. Focus Adjustment

23

15. Purity Adjustment

23

C.B. MAGNET (RB-G)

24

COLOR, TINT, and SHARPNESS

26

10. U-Pedestal Adjustment

29

11. V-Pedestal Adjustment

29

12. Software Reset

29

PATTERN GENERATOR

30

EXT. INPUT

30

16. White Balance Adjustment

31

17. Sub-Brightness Adjustment

31

18. Focus Adjustment

31

GREEN RED BLUE

32

22. Yh, Yv, Xv Adjustment

33

BLOCK DIAGRAMS

34

IF/Video Block Diagram

35

Audio Block Diagram

36

CRT/H.V. Block Diagram

37

HOT COLD

38

Note of Capacitors:

39

Note of Resistors:

39

THE FOLLOWING PAGES:

40

Main 1/4 Schematic Diagram

41

L6525SCM1

41

L6525SCM2

42

Main 2/4 Schematic Diagram

42

Main 3/4 Schematic Diagram

43

L6525SCM4

44

Main CBA Top View

45

Main CBA Bottom View

46

WAVEFORMS

48

WIRING DIAGRAM

49

IC PIN FUNCTIONS

50

EXPLODED VIEWS

52

Cabinet [ DCF2703 ]

53

Packing [ DCF2003 ]

54

Packing [ DCF2703 ]

55

MECHANICAL PARTS LIST

56

CRT Warning

57

CRT Type No

57

ELECTRICAL PARTS LIST

58

CONNECTORS

61

TRANSISTORS

63

RESISTORS

65

SWITCHES

68

MISCELLANEOUS

68

DCF2003/DCF2703 L6525/625CR

71

HPS-2971 User Manual English

English

Service Manual Model HPS-2971, 53 pages

Durabrand devices