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LV-S1U
Canon LV-S1U User Manual
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4.5 A
V Unit and Fan (FN907) Remo
val
Remove the 5 screws holding the A
V unit
and the 3 screws holding the fan and
remove the A
V unit and fan.
4.6 Lamp Ballast Unit Remo
val
Remove the 6 screws and then remove
the lamp ballast unit.
P
ar
t 2: Repair Inf
or
mation
2-8
Fig.
2-8
Fig.
2-9
A
V unit
FN907
Lamp ballast
32
34
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
6
Part 1: General Information
8
Features
9
Development Objectives
9
Major Features
10
Specifications
12
Type
12
LCD Panel
12
Optical Box
12
Video / Audio
12
Connectors
13
Standard
13
Accessories
13
Options
13
Others
13
Nomenclature
14
Main Board
14
Top Controls
14
Rear Panel Terminals
14
Computer Input Terminal / Control Port Connector
14
Remote Control
14
Remote Control Operating Range
14
Commentary
15
External Appearance Design
15
Optical System
15
Video Input System
18
Image Control
19
Other Functions
20
Mechanism
20
Connection Diagram
22
Connection to the Computer
22
Connecting to the Video Equipment
22
Setting-Up the Projector
23
Positioning the Projector
23
Installation Precautions
23
Supported Computer System Mode
24
Part 2: Repair Information
25
Safety Instructions
26
Lamp Replacement
27
Circuit Protections
29
Fuse
29
Temperature Protection Equipment
29
Service
31
Cabinet Top Removal
31
Front Cabinet Removal
31
Main Board and Sub-Board Removal
32
Power Supply Unit and Fan (FN903) Removal
32
AV Unit and Fan (FN907) Removal
33
Lamp Ballast Unit Removal
33
Optical Unit, Fan (FN901) and Fan Louver Removal
34
Air Duct and Fan Removal
34
Lens and Panel Prism Assembly Removal
35
Cleaning
36
Part 3: Adjustment
38
Precautions for Adjustment
39
Service Mode
39
Adjustments Required after Parts Assembly and Replacement
39
Service Mode Adjustment Items
40
IC Adjustment Data
41
Electrical Adjustments
43
Fan Voltage Adjustment
43
NRS Adjustment
43
Signal Center DC Voltage Adjustment
43
Contrast Adjustment
44
Signal Level Adjustment
45
Flicker Adjustment
45
White Balance Adjustment
46
Contrast Linearity Adjustment
46
Color Shading Correction
46
Test Points Locations
47
Troubleshooting
48
Part 4: Parts Catalog
51
Parts List
59
Part 5: Electrical Diagrams
62
Parts Description and Reading in Schematic Diagram
63
Diode, Transistor and IC Pins
65
Schematic Diagrams
66
Printed Wiring Board Diagrams
72
4
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Canon LV-S1U Specifications
General
Brand
Canon
Model
LV-S1U
Category
Projector
Language
English
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