Emerson EWC1302 manuals

Emerson EWC1302 Service Manual (92 pages)

Brand: Emerson | Category: CRT TVs | Size: 4.26 MB |

English

Table of contents

SERVICE MANUAL

1

IMPORTANT SAFETY NOTICE

2

MAIN SECTION

3

SPECIFICATIONS

4

<AUDIO>

5

IMPORTANT SAFETY PRECAUTIONS

6

Precautions during Servicing

8

Safety Check after Servicing

9

STANDARD NOTES FOR SERVICING

10

1. Removal

11

2. Installation

11

Presolder

12

Soldering Iron

12

Flat Pack-IC

12

Instructions for Handling

13

Semiconductors

13

PREPARATION FOR SERVICING

14

1-5-1 T5300IB

15

1-5-2 T5300IB

16

[1] Rear Cabinet

17

[2] Tray Chassis

17

[4] Main CBA

17

[3] Deck Unit

17

1-6-2 T5300DC

18

1-6-3 T5300DC

19

1-6-4 T5300DC

20

1-6-5 T5300DC

21

Fig. 1-1

22

Remote control unit (Bottom)

22

3. TV AGC Adjustment

23

4-1. H Adjustment

23

4-2. C-Trap Adjustment

23

4-3. Y DL Time Adjustment

24

5. V. Size Adjustment

24

6. V. Shift Adjustment

24

7. H. Shift Adjustment

25

8. Cut-off Adjustment

25

This bar

26

13.Purity Adjustment

27

14. Convergence Adjustment

27

BLOCK DIAGRAMS

29

Video Block Diagram

30

Audio Block Diagram

31

Chroma/Tuner Block Diagram

32

CRT/H.V. Block Diagram

33

HOT COLD

34

MECHANICAL TROUBLE INDICATOR

35

Countermeasure for Mechanical

36

Malfunction

36

Repair method #1

37

Repair method #2

38

Repair method #3

38

Repair method #4

38

Standard Notes

39

THE FOLLOWING PAGES:

40

Main 1/4 Schematic Diagram

41

Main 2/4 Schematic Diagram

42

Main 3/4 Schematic Diagram

43

Main 4/4 Schematic Diagram

44

Main CBA Top View

45

Sensor CBA

45

Top View

45

(START-SENSOR)

45

Main CBA Bottom View

46

CRT CBA Top View

47

CRT CBA Bottom View

47

0.25 V 20 µs

48

WIRING DIAGRAM

49

SYSTEM CONTROL TIMING CHARTS

50

1-12-2 T5300TI

51

IC PIN FUNCTION DESCRIPTIONS

52

DECK MECHANISM

55

STANDARD MAINTENANCE

56

Do Not !

57

Cleaning Stick

57

Cylinder

57

Video Head

57

SERVICE FIXTURE AND TOOLS

58

Cam Gear

59

LDG Belt (B)

59

Incorrect

61

Waveform

62

Erase Head

62

[20],[23]

63

Lead with

66

Blue Stripe

66

Lead with White Stripe

67

Fig. DM11

68

Fig. DM12

68

Fig. DM14

69

Fig. DM13

69

Fig. DM15

70

Fig. DM16

70

Fig. DM17

70

Fig. DM18

70

Alignment 3

72

Cam Gear (A), Rack Assembly

72

EXPLODED VIEWS AND

73

PARTS LIST SECTION

73

EXPLODED VIEWS

74

3-1-3 T5300PEX

75

DECK EXPLODED VIEWS

76

Deck Mechanism View 2

77

Deck Mechanism View 3

78

MECHANICAL PARTS LIST

79

CRT Warning

80

CRT Type No

80

ELECTRICAL PARTS LIST

81

Ref. No. Description Part No

82

CONNECTORS

83

TRANSISTORS

85

RESISTORS

86

SWITCHES

88

SENSOR CBA

90

DECK PARTS LIST

91

Printed in Japan

92

2002-01-31 HO

92

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