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Optoma HD20LV User Manual

Optoma HD20LV
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SERVICE MANUAL
TSD: Check: Approved:
Date Revise Version Description
2009/07/02 V1.0 Initial Issue
2009/10/15 V2.0
Add HD20’s extended models: HD2200 and HD200X
2009/11/30 V3.0 Add EH1020
2010/02/22 V4.0 Modify CH4 “Defect specication table“
2010/04/19 V5.0 Remove EH1020&Add HD20LV
2011/04/08 V6.0 Modify DMD sponge ‘s position
2011/09/09 V7.0 Add HD21/HD23
HD20/HD200X/HD2200/HD20LV/HD21/HD23
Copyright Sep, 2011. All Rights Reserved
Mina
Amy
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Optoma HD20LV Specifications

General IconGeneral
BrandOptoma
ModelHD20LV
CategoryProjector
LanguageEnglish

Summary

Introduction

Highlight

Key technical specifications and features of the projector models.

Compatible Mode

Lists supported computer resolutions and video signal compatibility.

Disassembly Process

Equipment Needed & Product Overview

Lists tools and the projector for disassembly procedures.

Disassemble Lamp Cover Module

Step-by-step guide to remove the projector's lamp cover.

Disassemble Lamp Module

Instructions for safely removing the projector's lamp module.

Disassemble Focus Ring

Procedure for removing the projector's focus adjustment ring.

Disassemble Top Cover Module

Steps to remove the top housing of the projector.

Disassemble Keypad Board Module & Zoom Ring

Guide to detach keypad and zoom ring components.

Disassemble Top Shielding

Instructions for removing the internal top metal shielding.

Disassemble Main Board Module

Detailed steps for removing the projector's main circuit board.

Disassemble Engine Module

Procedure for removing the projector's optical engine assembly.

Disassemble Color Wheel Module

Guide to detach and remove the color wheel assembly.

Disassemble DMD Chip & DMD Board

Steps to remove the DMD chip and its associated board.

Disassemble Rod Module

Instructions for removing the projector's rod module.

Disassemble System Fan Module

Guide to remove the projector's internal cooling fan.

Disassemble Lamp Blower Module

Steps for detaching the lamp blower assembly.

Disassemble Lamp Driver Module

Procedure to remove the lamp driver electronic module.

Disassemble LVPS Module

Guide to remove the Low Voltage Power Supply module.

Disassemble IR

Steps for removing the infrared receiver component.

Disassemble Bottom Cover Shielding

Instructions to remove the bottom internal shielding.

Disassemble Security Bar Cap

Guide to remove the security bar cap.

Disassemble I/O Cover

Steps to remove the input/output port cover.

Rod Adjustment

Procedure for adjusting the projector's optical rod for image alignment.

Re-write Lamp Usage Hour

Instructions for resetting or updating the projector's lamp usage hours.

Troubleshooting

LED Lighting Message

Explains projector status based on LED indicator light patterns.

Main Procedure

General troubleshooting steps for common projector issues.

Function Test & Alignment Procedure

Test Equipment Needed

Lists required tools and equipment for testing and alignment.

Service Mode

How to access and navigate the projector's service modes.

OSD Reset

Procedure to reset the projector's On-Screen Display settings.

Test Condition

Specifies environmental and setup conditions for testing.

Test Inspection Procedure

Outlines steps for inspecting various projector functions and components.

PC Mode

Testing and alignment procedures for projector's PC input mode.

Video Performance

How to test and evaluate the projector's video signal performance.

Calibration

Steps for calibrating projector settings for optimal display.

Optical Performance Measure

Procedures for measuring brightness, contrast, and uniformity.

Calculate W-factory

Steps to calculate the projector's W-factory setting.

Others

Covers functional inspection and exterior check points.

Firmware Upgrade

Firmware Upgrade Procedure (Section 1)

Instructions for upgrading firmware using the standard procedure.

8051 Firmware Upgrade Procedure (Section 2)

Specific steps for upgrading the 8051 microcontroller firmware.

EDID Upgrade

EDID Introduction

Explanation of Extended Display Identification Data (EDID).

Equipment Needed

Lists necessary hardware and software for EDID upgrade.

Setup Procedure

Steps for setting up the equipment for EDID upgrade.

DDC Key-In Procedure (VGA, HDMI 1, HDMI 2 Interface)

Guide to inputting EDID data via DDC for different interfaces.

Serial Number System Definition

PCBA Code Definition

Explains the structure and meaning of Printed Circuit Board Assembly (PCBA) codes.

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