Optoma EX542i User Manual

SERVICE MANUAL
SI : TSE: Check: Approved:
Date Revise Version Description
2009.07.08 V1.0 Initial Issue
2009.10.13 V2.0 Add EX540/EX762
2009.12.16 V3.0 Add EX540I/EX542I
2010.02.07
V4.0
Add ES523ST/EW533ST;
Modify “Defect specication table” in Chapter 4;
EX542/EX612/EX615/EX540/EX762/EX540I/EX542I/
ES523ST/EW533ST
Copyright Feb, 2010. All Rights Reserved. P/N: 36.8FJ01G001

Optoma EX542i Specifications

General

Brand	Optoma
Model	EX542i
Category	Projector
Language	English

Summary

Chapter 1 Introduction

Highlight

Key specifications and features of the projector models.

Chapter 2 Disassembly Process

Equipment Needed & Product Overview

Re-write Lamp Usage Hour

Chapter 3 Troubleshooting

LED Lighting Message

Explains projector status via LED indicators and their meanings.

Main Procedure

Outlines troubleshooting steps for common symptoms like no power or auto shutdown.

Chapter 4 Function Test & Alignment Procedure

Service Mode

PC MODE

Chapter 5 Firmware Upgrade

System Firmware Upgrade (EX540/EX542/EX612/EX615/EX762/EX540I/EX542I)

Guide for updating system firmware for specific models via USB.

System Firmware Upgrade (ES523ST/EW533ST)

Firmware update process for ES523ST/EW533ST models via RS232.

8051 Firmware Upgrade Procedure

Procedure for upgrading the 8051 microcontroller firmware.

Chapter 6 EDID Upgrade

VGA EDID Procedures

HDMI EDID Procedures