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InFocus LP350 User Manual

InFocus LP350
111 pages
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Service Guide for the
LP340
LP340B
LP350
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InFocus LP350 Specifications

General IconGeneral
Display TechnologyDLP
Projection TechnologyDLP
ResolutionXGA (1024 x 768)
Projection Size30 - 300 inches
InputsVGA, Composite Video, S-Video
Lamp Life2000 hours (standard mode), 3000 hours (economy mode)
Weight6.8 lbs (3.1 kg)

Summary

Safety Precautions and Warnings

General Safety Warnings

Essential warnings regarding fire, electric shock, and cabinet access.

Important Handling and Operational Precautions

Precautions for packing, liquids, moisture, and safe operation.

Key Safety Instructions for Use

Detailed instructions for safe use, ventilation, heat, power, and environment.

Service and Repair Safety Guidelines

Guidelines for safe servicing, replacement parts, and post-repair checks.

Product Introduction and Model Comparison

LP350, LP340, LP340B Overview

Overview of LP350, LP340, LP340B models and their key differences.

Component Replacement Procedures

Major Part Locations Identification

Illustration identifying the placement of key internal projector components.

Lamp Module and Housing Service

Procedure for removing and replacing the projector's lamp module and its protective door.

Optical Engine and DMD Handling Procedures

Instructions for removing, installing, and handling the optical engine and DMD.

Controller ECA Removal and Installation

Procedure for removing and reinstalling the projector's main signal processing board.

Power Supply and Cooling Fan Service

Procedures for replacing the power supply unit and cooling fans.

Exterior and Chassis Service Procedures

Front and Rear Bezel and Focus Ring Service

Instructions for replacing the front and rear bezels and focus ring.

Case, Chassis, and Adjustment Mechanism Service

Procedures for removing the bottom case, chassis, leveling foot, and elevator.

Top Case and User Interface Component Service

Steps for replacing the top case, keypad, and I/O EMI shield.

Maintenance and Configuration Procedures

Lamp Timer Reset Procedure

Steps to reset the projector's lamp timer after lamp replacement.

DMD Bias Setting Update Guide

Guide to checking and adjusting the DMD bias for optimal performance.

Functional Testing and Troubleshooting

Functional Test Procedures Overview

Steps to test projector functionality after repair or during diagnostics.

Troubleshooting Common Projector Problems

Diagnostic trees for power, image, remote, keypad, audio, and menu issues.

System Diagrams and Parts Information

System Block Diagram and Voltage Charts

Diagrams illustrating system connections and voltage specifications for key components.

Exploded Views and Parts Lists

Illustrated parts breakdown and lists for components and accessories.

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