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Acer P7280 Refresh - User Manual

Acer P7280 Refresh
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SERVICE MANUAL
SI : TSE: Check: Approved:
Date Revise Version Description
2008.1.24 V1.0 Initial Issue
2008.6.30 V2.0 Add P7280 Refresh/P7270i Refresh
2008.10.10 V3.0
Add Waveform Download in Chapter5, add Default
Language in Chapter6, and modify Chapter4 and
AppendixB
P7280/P7270I/P7280 Refresh/P7270I Refresh
Copyright Oct.2008 All Rights Reserved P/N: 36.89K01G001

Table of Contents

Questions and Answers

  • Q
    qmcconnellAug 20, 2025
    Why is there no light on my Acer Projector?
    • S
      Sarah MedinaAug 20, 2025
      If your Acer Projector has 'No Light On', ensure all connectors are securely connected and not broken. If connections are not the issue, check the Lamp Module, Lamp Driver, LVPS, and Main Board.
  • B
    Brandon HarrisAug 22, 2025
    Why is there no image on my Acer Projector?
    • J
      jennifer40Aug 22, 2025
      If your Acer Projector displays 'No Image', ensure the signal cable and source are working correctly. If multiple sources are connected, use the 'Source' button to switch between them. Also, ensure all connectors are securely connected and not broken. If the issue persists, check the Main Board, DMD Board, I/O Board, DMD Chip, Engine Module, and Wireless Module and IP address (if using WLAN or LAN to transfer signal).
  • S
    Sarah WyattAug 25, 2025
    How to fix no power on my Acer P7280 Refresh?
    • A
      Autumn FowlerAug 25, 2025
      To resolve a 'No Power' issue with your Acer Projector, ensure the power cord and AC power outlet are securely connected. Also, check the TOP cover, interrupt switch, and interlock switch. Make sure all connectors are securely connected and not broken. It may also be necessary to check the Lamp Driver, LVPS, and Main Board.
  • M
    morrismatthewAug 26, 2025
    What to do if my Acer P7280 Refresh Projector shuts down automatically?
    • I
      ischmittAug 27, 2025
      If your Acer Projector is experiencing auto shut down, check the LED status. Specifically: 1. For the Lamp LED, check the Lamp, Lamp Driver, and Main Board. 2. For the Temp LED, check the Thermal Switch and Fan. 3. For the Color Wheel, check the Color Wheel and Photo Sensor.
  • K
    Kelsey EllisAug 28, 2025
    How to stop image flicker on Acer Projector?
    • Y
      Yvonne WardAug 28, 2025
      To address image flicker on your Acer Projector, first, perform a 'Reset(All data)' in the OSD Menu. Also, ensure that the signal cables and source are working correctly. If the problem continues, check the Lamp Module, Color Wheel, DMD Board, and Main Board.
  • S
    Sandra SmithAug 30, 2025
    How to fix color abnormalities on Acer P7280 Refresh?
    • J
      Jacqueline DeleonAug 30, 2025
      If you notice abnormal colors on your Acer Projector, try performing a 'Reset(All data)' in the OSD Menu. You can also try adjusting the Color Wheel Index. If the issue persists, check the Main Board and Color Wheel.
  • M
    Matthew TaylorSep 1, 2025
    What to do if the remote control or control panel fails on my Acer P7280 Refresh?
    • D
      davidhernandezSep 1, 2025
      If the Remote Control or Control Panel on your Acer Projector is failing, for the remote control, check the battery and the remote controller itself, and the IR receiver. For the control panel, check the FPC and Keypad. In both cases, check the Main Board.
  • X
    xheathSep 3, 2025
    How to fix poor uniformity or shadows on Acer P7280 Refresh?
    • V
      Vicki JohnsSep 3, 2025
      To address poor uniformity or shadows on your Acer Projector, ensure the projection screen is free of dirt and the projection lens is clean. Also, ensure the brightness is within specification. If the issue continues, check the rod alignment and Engine Module.
  • P
    prattlarrySep 5, 2025
    How to fix WLAN and LAN failure on Acer P7280 Refresh Projector?
    • R
      Rodney EnglishSep 5, 2025
      If WLAN & LAN are failing on your Acer Projector, ensure you have set up the correct IP address and the connection is OK (the network LED should be lit). If the issue persists, check the Antenna, Wireless Module, and Main Board.
  • L
    Laura BrownSep 7, 2025
    What causes a garbage image on Acer P7280 Refresh Projector?
    • M
      micheledavenportSep 7, 2025
      If your Acer Projector is displaying a garbage image, ensure that the signal cables and source are working correctly. If the issue persists, check the Main Board and DMD Board.

Summary

Introduction

Highlight

Details projector specifications including dimensions, weight, cooling system, and power supply.

Compatible Mode

Lists supported resolutions and signal timings for VGA and DVI analog/digital inputs.

Product Overview

Visual overview of the projector's front and upper side components with itemized descriptions.

Troubleshooting

LED Lighting Message

Table mapping LED status indicators to specific error messages and their corresponding meanings.

Main Procedure

General troubleshooting steps for common symptoms like no power or auto shut down.

Beep Sound

Describes beep patterns and their corresponding error conditions or functions.

Function Test & Alignment Procedure

Test Equipment Needed

Lists necessary hardware and software for testing and alignment procedures.

Service Mode

Instructions on how to access and exit the projector's service mode.

Test Condition

Specifies environmental conditions and run-in times required for testing.

PC MODE

Details procedures for frequency, tracking, light leak, blemish, and focus tests.

Optical Performance Measure

Procedures for measuring brightness, contrast, and uniformity of the projected image.

Firmware Upgrade

Equipment Needed

Lists required software (DLP Composer) and hardware for firmware updates.

Firmware Upgrade Procedure

Step-by-step guide to perform firmware updates using DLP Composer.

Waveform Download

Procedure for downloading waveform data, typically after hardware changes.

EDID Upgrade

EDID Introduction

Explains Extended Display Identification Data (EDID) and its role in display communication.

EDID Key-In Procedure

Detailed steps for inputting EDID data via a program and specific ports.

Default Language Reset (for refresh models)

Procedure to reset the default language setting after EDID upgrade or other changes.

Appendix A

Exploded Overview

Contains detailed exploded view diagrams of projector assemblies with part numbers.

Appendix B

Serial Number System Definition (for non refresh models)

Explains the format and meaning of serial number components for non-refresh models.

Serial Number System Definition (for refresh models)

Explains the format and meaning of serial number components for refresh models.

PCBA Code Definition (for all models)

Defines the structure and meaning of PCBA codes used for identification.

Appendix C

RS232 function command summary table

Lists RS232 commands and their corresponding function features for projector control.

Acer P7280 Refresh Specifications

General IconGeneral
BrandAcer
ModelP7280 Refresh
CategoryProjector
LanguageEnglish

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