RIDGID R845 manuals

Ridgid R845 Service Manual (160 pages)

Brand: Ridgid | Category: Circular saws | Size: 4.38 MB |

Table of contents

LC-XT4U U.S.A., Canada

1

LC-XT4E Europe

1

■ Contents

2

■ Safety Instructions

3

■ Specifications

4

■ Circuit Protections

5

● Lamp cover switch

6

● Installation

7

● Air Filter

7

● Temperature Monitor System

8

■ Lamp Replacement

9

LAMP REPLACEMENT

10

HIGH VOLTAGE

11

LAMP HANDLING PRECAUTIONS

12

How to check Lamp Used Time

12

■ Maintenance and Cleaning

13

AIR FILTER CARE AND CLEANING

14

Mechanical Disassemblies

15

Cabinet front top

16

Cabinet top unit

18

Cabinet top

19

Terminal slots

20

CG Mother Board

21

Grounding Lead

21

Control Button

22

Control Panel

22

Control Board

22

Fan(FN901)

24

SW-Power supply unit(25V)

25

Holder -E

26

Holder -F

26

Ballast 2

27

PFC3-4 unit

28

Power unit

29

The direction

30

Holder PFC1-2

30

Holder Sub power

30

Warning!

31

Holder-A

33

Holder-B

33

Holder-C

33

Holder-D

33

To remove the Fuse

34

Lens NET Board

35

Optical Unit Disassemblies

39

LCD panels removal

40

Prism/LCD panel unit removal

40

Prepolarized glass

41

Polarized units removal

44

Mirrors removal

45

Assembly Lamps removal

45

Optical base top removal

46

Mirror units

47

TYPE-R TYPE-L

50

Flat surface

52

Condenser lens(out)

52

LCD Panel

52

■ Troubleshooting

53

No Picture

54

Check the MAIN Board

55

Check the terminal board-DVI

56

● No Picture

56

Check the terminal board-AV

57

● No Power

58

● No Audio Output

62

● Temperature Abnormality

63

LB1641/1645N

64

● Lamp Abnormality

65

Optical Adjustments

66

■ Before Adjustment

68

Before Adjustment :

69

Adjustment :

69

(6) Relay-lens adjustment

72

(7) Convergence adjustment

72

Screw Setting

72

Bracket hole

73

Drive screws from this side

74

■ Convergence adjustment

75

(8) Prism P.B.S. adjustment

76

Electrical Adjustments

77

● Circuit Adjustments

79

Pedestal

80

Black Level

80

, Gain adjustment [PC]

81

⁄2 Common center adjustment

82

. Gain adjustment [AV]

82

Service Mode Adjustment Menu

84

Caution :

85

■ Test Points Location

85

Service Adjustment Data Table

86

■ Waveforms

94

■ Control Port Functions

95

● Parallel Bus I/O Expander

98

Control Port Functions

100

AD8183/AD8185

101

Interface, IC2201>

101

IC Block Diagrams

102

● LA7217 <Sync Separator

104

IC2051, IC8041>

104

IC3131>

108

● TDA8395T <SECAM Decoder

108

IC3121>

108

KF6-XF46N00

110

LF6-XF46E00

110

For vertical

111

Mechanical and Optical Parts

112

KF6-XT4U00

119

LF6-XT4E00

119

PWB assemblies location

121

Fans location

121

(LC-XT4U/E) APR. 2006

160

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