JVC 340 SC manuals

Jvc 340 SC User Manual (163 pages)

Brand: Jvc | Category: Projectors | Size: 3.05 MB |

English

Table of contents

Model 330

1

Model 340 SC

1

Model 370 SC

1

Safety Information

3

Installation Safeguards

4

Heat Safeguards

5

Light Safeguards

5

BRIGHT LIGHT!

6

Fluid Safeguards

7

1.0 Introduction

10

1.2 Safety

11

1.3 Updates

11

1.4 Hardware Compatibility

11

2.0 Functional Descriptions

13

2.1 Cover and Base

14

2.4 System Power

17

STANDBY/

19

I/O CONTROL

19

Arc Lamp Ignitor

21

High Voltage Power Supply

23

Power and Control Connector

24

2.5 Card Cage

26

2.6 Circuit Boards

27

Figure 2-10

29

Sync Generator

31

Sync Detector and Selector

31

Phase Locked Loop

32

Adjustment Counters

33

Serial Communication

34

Raster Timing Generator I/O

35

Interlocks and Protection

37

Vertical Oscillator

38

Horizontal Phase Locked Loop

39

Horizontal Centering

39

Horizontal Power Supply

39

Flyback Switching

40

Geometric Correction

40

Output Section

40

Vertical Preamps

46

Vertical Amplifiers

47

Sweep Failure Detection

47

Correction Amplifiers

49

General I/O

50

Interlocks and Shutdowns

53

Figure 2-14

54

Video/Sync Mux

57

V & H Sync Strip

57

SG Sync Strip

57

On-Screen Switch

58

Gamma Correction

58

Switch Logic and Video Enable

58

ILA® Bias

60

Dynamic Focus Amplifier

60

Video Signal

67

Failure Detection

67

Working and Compressed Memory

74

Expanded Memory

74

Correction Address Generator

75

Overlay Memory

76

Overlay Address Generator

76

LED Display Buffers and Logic

77

RS232 Interface

77

IR Interface

77

Overlay Interface

77

IIC Interface

78

Serial Interface

78

Backplane

83

2.7 Optical Section

84

CRT Image

86

Combined Image and High

86

Intensity Light=Bright Image

86

High Intensity Light

86

Projection Lens

87

Arc Lamp Assembly

87

2.8 Image Light Amplifier

88

3.0 Service Adjustments

91

3.2 CRT Yoke Rotation

93

3.3 Vertical Size Tracking

95

3.5 Horizontal Size Tracking

97

Bias Settings

98

3.7 CRT Mechanical Focus

99

LECTRONIC

102

3.9 Jumper Settings

103

J501 J500

104

3.10 G2 Adjustment

106

CAUTION!

108

Contents

114

4.1 Introduction

114

WARNING!!!

115

Figure 4-1

116

Figure 4-2

117

4.2 Projector Covers

118

4.3 Ventilation Filters

118

4.4 Arc Lamp Assembly

119

Chapter 4—Maintenance

120

104651 or 104120) Removal

121

4.5 System Power Supply

124

4.6 Electronics Module

126

4.7 Cathode Ray Tube (CRT)

128

Figure 4-10

130

Figure 4-11

130

4.9 CRT Yoke

132

4.13 Projection Lens

136

4.15 Recommended Spares

140

5.0 Troubleshooting

141

Chapter 5---Troubleshooting

142

5.2 Power-On Codes

143

5.3 Break Points

145

MAIN MENU

147

No Power

148

No Picture

148

Arc Lamp

149

Picture geometry

150

XY Convergence

151

Picture color

151

ENSITIVITY

152

Infrared I/R

153

Glossary of Terms

155

Glossary

156

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