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LP340B
InFocus LP340B User Manual
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LP340/34
0B/350 Serv
ice M
anual
58
5
Rem
ove the therm
al switch f
rom
the top of the lam
p housing.
To do this
, use a sm
all sc
rewdriver to depress
the plastic tabs
in each scr
ew hole on the thermal
switch body. Then rotate the therm
al switch cloc
kwise.
CA
UTION
Be extremely careful not to pr
ess the tabs
too hard. They are easy to break.
57
59
Table of Contents
Safety Precaution
2
Product Safety Notice
2
Table of Contents
3
Safety Precautions
5
Important Precautions
5
Important Safety Instructions
6
Introducing the LP350, LP340 and LP340B
8
Parts Replacement
9
Major Part Locations
9
Lamp Module and Lamp Door
10
Front Bezel and Focus Ring
12
Rear Bezel
14
Rubber Foot
16
Bottom Case
17
Leveling Foot
20
Elevator
22
Speaker/Fan Assembly
24
Chassis and Attached Parts
28
Power Supply
34
Chassis
36
Top Case
37
Keypad
38
I/O EMI Shield
39
Removing Thecontroller ECA
40
Installing the Controller ECA
45
Removing the Optical Engine
48
Installing the Optical Engine
50
80 MM Lamp Fan and Lamp Blower
52
Lamp Housing
55
Safety Switch Assembly
57
Resetting the Lamp Timer
60
Special Handling for the DMD and Optical Engine
61
Fasteners
67
Software Upgrade and DMD Bias Adjustment
68
Upgrading the System Software for the LP350, LP340 and LP340B
68
Updating the DMD Bias Setting
75
Functional Tests
84
Troubleshooting
89
Power Problems
90
Image Problems
95
Remote Problems
99
Keypad Problems
100
Audio Problems
101
No Menu
102
LP350 / LP340 / LP340B Block Diagram
103
LP350 / LP340 / LP340B Controller ECA Voltages
104
Parts Lists
105
Case Parts Exlploded View
105
Components Exploded View
106
Optical Engine Exploded View
107
Frus by Alphabetic Listing
108
Frus by Numeric Listing
110
Standard Accessories
111
4
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InFocus LP340B Specifications
General
Brand
InFocus
Model
LP340B
Category
Projector
Language
English
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