Acer PD723 Technical Information

PD723 & PD725Service Guide

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5 Chapter 1Remote Control with Mouse Function & Laser PointermetI noitpircseD1SDELRI2rewoP3cnyS4noitcerroCenotsyeK5tamroFyalpsiD6nottuBresaL7retni

Chapter 1 6Connecting the ProjectormetI noitpircseD1elbaCbuS-DotIVD2elbaCAGV3elbaCoediVetisopmoC4elbaCtnenopmoCACR35elbaCoediV-S6kcaJ/kcaJelbaCoiduA7e

7 Chapter 1System Block Diagram

Chapter 2 8Firmware UpgradeChapter 2This chapter provides the equipment needed, setup and upgrading procedure for Firmwareupgrade.Equipment NeededmetI

9 Chapter 2Installation Procedure1. Execute the “FlashUpgrader.exe” program.2. Click “Choose” toget the file directory.3. Select <pwSDK.inf> fil

Chapter 2 105. Click “Flash” to start the firmware upgrade procedure and keep press theprojector’s power button immediately until download “gui.hex” t

11 Chapter 2EDID UpgradeThis chapter provides the equipment needed, setup and upgrading procedure for EDIDupgrade.Equipment NeededmetI noitpircseDeraw

Chapter 2 12Setup Procedure1. Connect Power Adapter with fixture.2. Make sure the JP1 and JP5 is close and JP2 is open.3. Connect P2 of the f

13 Chapter 2DDC Key-in ProcedureA. Analog1. Execute PD723 or PD725 EDID_B program.2. Make sure the COM port is connecting ok.3. Choose the “Analog” to

IIRevision HistoryPlease refer to the table below for the updates made on PD723 & PD725 service guide.Date Chapter Updates

Chapter 2 144. Key-in S/N into the blank beside Barcode, and then press “Enter” key on thekeyboard to begin programming.5. After finishing the above a

15 Chapter 2B. Digital1. Make sure the COM port is connecting ok.2. Choose the “Digital” to do the Digital DDC procedure.3. Key-in S/N into the blank

Chapter 2 164. After finishing the above action, “PASS” message will appear on the screen.PD723/PD725081Y (PD723) / 081N (PD725)

17 Chapter 3Machine Disassembly and ReplacementThis section provides disassembly procedures for PD723/725 Micro Portable XGA DMDProjector. Before you

Chapter 3 18The Front Side The Rear SideDisassemble Lamp Module and Elevator Foot1. Turn unit to bottom side. Remove Lamp Cove

19 Chapter 32. Unscrew two screws to detach the Elevator Foot from Bottom Housing. Lift it then unscrewthe screwElevator Foot

Chapter 3 20Disassemble Top Cover, Front Cover, Keypad Board and IRSensor Module1. Unscrew eight screws and then turn the unit to the top side to lift

21 Chapter 33. Unscrew 4 screws to remove Keypad and Keypad Board. KeypadKeypad BoardFPC Cable

Chapter 3 22 Main Board Module Disassemble Main Board Module and Thermal Switch1. Unplug nine connectors and unscrew four screws.2. Unscrew six hex s

23 Chapter 33. Unscrew one screw to remove Thermal Switch.Thermal Switch

IIICopyrightCopyright © 2004 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, sto

Chapter 3 24 Wind Tunnel ModuleFan Guider ModuleDisassemble Fan Guider Module, Wind Tunnel Module, LampDriver Module, LVPS and Interrupt Switch Modul

25 Chapter 33. Unscrew six screws, unplug one wire and one connector to remove Lamp Driver Module. Lamp Driver Module

Chapter 3 264. Unsrew three screws and unplug one wire to remove LVPS. LVPS

27 Chapter 3 EMI Ground PlateLVPS Cables5. Unscrew two screws to remove EMI Ground Plate and separate the cables.

Chapter 3 28 Interrupt Switch Module6. Unscrew two screws to remove Interrupt Switch Module.

29 Chapter 3 Color WheelPhoto Sensor ModuleDisassemble Color Wheel Module, Axial Fan 90x25 Module,Lamp Fan 60x60x25 and Optical Engine Module1. Unsc

Chapter 3 30 2. Unscrew two screws to remove Axial Fan 90x25 Module. Steamtight rubberAxial Fan 90x25Holder Bracket and Rubber Bottom

31 Chapter 3 3. Unscrew two screws to remove 60x60x25 Lamp Fan.4. Pull two side outward to disassemble 60x60x25 Lamp Fan.60x60x25 Lamp fan

Chapter 3 32 5. Unscrew four screws to remove Engine Module from Bottom Cover.Optical Engine ModuleBottom Cover

33 Chapter 3 DMD HeatsinkWind guider cover mylar6. Tear off EMI tape to separate Wind Guider Cover Mylar from Engine Module.7. Unscrew four screws to

IVConventionsThe following conventions are used in this manual:Screen Message Denotes actual messages that appear on screen.NOTE Gives bits and pieces

Chapter 3 347. Unscrew four screws to remove DMD Heatsink Module.Unscrew four screws to remove DMD Heatsink Cover.Unscrew three screws to separate 45x

35 Chapter 3 DMD BoardInsulation MylarBracket Plate1. Unscrew four screws to remove Bracket Plate, Insulation Mylar, DMD Board. 2. Separate DMD chip f

Chapter 3 363. Unscrew three screws to remove Focus Ring & Replace Ring.Optical Engine Module Focus Ring & Replace Ring

37 Chapter 3Disassemble Blower Fan 50x20, Thermal Sensor Board, InterruptSwitch Module, Bottom Cover and Rear Cover Thermal Senor BoardBlower Fan

Chapter 3 38 Bottom CoverRear cover3. Unscrew one screw and separate Rear Cover from Bottom Cover by pressing four tenons.

39 Chapter 3 Elevator Module 4. Unscrew three screws and press the tenon to remove Elevator Module.

Chapter 4 40TroubleshootingThis chapter provides technicians and people who have an electronic background a primarydescription about maintaining the p

41 Chapter 4Main ProcedurePower TroubleshootingA. Is LED Indicator OK?- Check the Power cord and AC power outlet.- Check the Keypad cable has broken o

Chapter 4 42Performance Troubleshooting (Computer Signal)A. Have Image?- Ensure the Signal cable and Source work as well.- Check that can OSD Menu sho

43 Chapter 4G. Have Line Bar?- Adjust the frequency selection in OSD Menu.- Press the Menu button to check that have Line bar show on the OSDMenu. (Ch

VPrefaceBefore using this information and the product it supports, please read the following general information.1. This Service Guide provides you wi

Chapter 4 44C. Is Color OK?- Do the “Factory Reset” of the engineering mode.- Ensure the signal cable work as well.- Check the color temperature setti

45 Chapter 4Function TroubleshootingA. OSD Does Not Show up.- Check the Keypad cable and ensure there is no broken issue on the cable.- Use Keypad to

Chapter 4 46Remote Control TroubleshootingA. Remote Controller No Function.- Check the Laser function of Remote controller.(Replace the battery if the

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51 Chapter 4Function Test Display Pattern- PC SignalmetI tnetnoCtseT nrettaP noitacificepS krameR1&ycneuqerFgnikcarTeniLeniFerioMybesionyvawlausiv

Chapter 4 52

53 Chapter 4

VI

Chapter 4 54Video & Audio SignalmetI tnetnoCtseT noitacificepS1oediVetisopmoC.lamronbaroloctuohtiwyalpsidotsahlangistupniehT2oediV-Slamronbaroloct

55 Chapter 4Inspection Procedure.oN metI noitpircseD1noitcnuFrotavelEfonoitcnufehterusnednakcehcesaelP).1.llewsakrowsirotavele.aerariaperottinuehtnrut

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Chapter 5 57This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of PD723 & PD 725. Refer to this chapter when

1 Chapter 1System IntroductionChapter 1Technical SpecificationmetI ledoM noitpircseD)DxHxW(snoisnemiD527DP)mm(001x052x533noisnemidrennI327DP)mm(001x96

Chapter 1 2Product OverviewMain UnitmetI noitpircseD1revieceRlortnoCetomeR2sneLmooZ3nottuBrotavelE4tooFrotavelE5gniRsucoF6gniRmooZ7tekcoSrewoP8stroPno

3 Chapter 1Panel ControlmetI noitpircseD1DELrotacidnIpmeT2DELrotacidnIrewoP3DELrotacidnIpmaL4ybdnatS/rewoP5ecruoS6syeKtceleSlanoitceriDruoF7edoMyalpsi