Sharp VC-H820U manuals

Sharp VC-H820U Service Manual (102 pages)

Brand: Sharp | Category: DVD players | Size: 8.88 MB |

English

Table of contents

SD-4900

1

SECTION 1

2

DVD PLAYER

3

Safety Precautions

4

PORTABLE CART

5

Table of Contents

6

Playable Discs

7

Precautions

8

Notes on Discs

8

About Symbols

8

Remote Control

10

INTRODUCTION

11

Connections

12

Connecting to a TV

12

Connections (Continued)

13

On-Screen Display

14

Before Operation

14

General Explanation

14

Before Operation (Continued)

15

On-Screen Display (Continued)

15

Initial Settings

16

Playing a DVD and Video CD

20

General Features

20

OPERATION

21

Slow Motion

21

Repeat A-B

21

General Features (continued)

22

Special DVD Features

22

Moving to another GROUP

23

Viewing another PAGE

23

Notes on MP3/WMA Recordings

24

Viewing a JPEG disc

26

Operation with JPEG Disc

26

Programmed Playback

27

Screen Saver

28

Dimmer Function

28

Video Mode Setting

28

Speaker Settings

29

Troubleshooting

30

REFERENCE

31

Area Code List

32

SERVICING PRECAUTIONS

37

SECTION 2

38

CABINET & MAIN CHASSIS

38

EXPLODED VIEWS

39

2. Packing Accessory Section

40

SECTION 3

41

ELECTRICAL

41

1. Power check flow

42

2. System operation flow

43

3. Test & debug flow

44

Check the laser power circuit

47

2. SDRAM CLOCK

52

3. TRAY OPEN/CLOSE SIGNAL

52

1) Tray open/close waveform

52

2) Tray close waveform

53

3) Tray open waveform

53

8. FOCUS ON WAVEFORM

57

11. RF WAVEFORM

60

1) Full colorbar signal(CVBS)

61

1) Audio L/R

62

2) Audio related Signal

63

DV7800M'S

64

2. Power(SMPS) Block Diagram

65

3. SERVO Block Diagram

66

CIRCUIT DIAGRAMS

70

2. SYSTEM CIRCUIT DIAGRAM

71

CD/DVD LD

72

'03. 3. 10 R14603B

73

5. AV/JACK CIRCUIT DIAGRAM

74

• CIRCUIT VOLTAGE CHART

75

PRINTED CIRCUIT DIAGRAMS

77

2. KEY P.C.BOARD

78

3. TIMER P.C.BOARD

78

LOCATION GUIDE

79

CONTENTS

80

DECK MECHANISM PARTS LOCATION

81

1.Holder Clamp (Fig. 4-1)

82

2. Tray Disc (Fig. 4-2)

82

4. Rubber Rear (Fig. 4-3)

83

DECK MECHANISM DISASSEMBLY

84

RUN DATE : 27-JULY-02

88

*** CHASSIS ASSEMBLY ***

89

*** DECK ASSEMBLY ***

90

TOSHIBA CORPORATION

102

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