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Service Guide - Page 1
Acer PH-112 Service Guide
Service guide files and updates are available on the CSD web; for more information, please refer to http://csd.acer.com.tw
100% Recycled Paper
Service Guide - Page 2
... dealer) assumes the entire cost of merchantability or fitness for any form or by Acer Incorporated. No part of this manual is sold or licensed "as is subject to the contents here of and specifically disclaims any warranties of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in any particular...
Service Guide - Page 3
... the accomplishment of additional information related to any damage that appear on screen. Conventions
The following conventions are used in this manual
Screen messages Denotes actual messages that might result from doing or not doing specific actions.
Gives precautionary measures to avoid possible hardware or software problems.
Reminds you to the current topic.
Service Guide - Page 4
... technical information relating to order FRU parts for whatever reason, apart number change is made, it supports, please read the following general information.
1. add-on your Acer office may have decided to those given in the FRU list of customer machines. If, for repair and service of this printed Service Guide. You MUST use the list provided...
Service Guide - Page 5
Table of Contents
Chapter 1 System Introduction
1
Technical Specification ...1
Lamp Specification...2
System Block Diagram ...6
Optics Conceptual Drawing 7
Chapter 2 Firmware Update
8
Setup Tool / Equipment...8
Upgrading Procedure ...8
Chapter 3 Machine Dissassembly and Replacement
10
General Information ...11
Disassemble Lamp Module 12
Disassemble IO Cover & Top Cover 13
...
Service Guide - Page 6
Table of Contents
Chapter 4 Trouble shooting
30
Video Signal troubleshooting 31
Operation FunctionTroubleshooting 34
Power SourceTroubleshooting 35
Function Test and Alignment 36
Equipment Needed 36
Test Condition...36
Test Display Modes and Patterns 37
Compatible ...
Service Guide - Page 11
... in accordance with the Law of service life, UHP Lamps should be switched off ). - The set maker must design a lamp house to be suppressed by set optics.
5 ENVIRONMENTAL LAWS
EU At...lamp. 4 INSTRUCTION FOR USE
- Max torque on 10min off . - The screw, which connects the cable with bare hands. To replace the lamp, the power should be cleaned with a lint free towel before installing the lamp...
Service Guide - Page 14
Open burning programma (DLP Composer Lite)
Chapter 2
8 Setup Tool / Equipment
1. USB Cable (see right picture) 3. Chapter 2
Firmware Upgrade
This chapter provides the equipment needed, setup and upgrading procedure for Firmware upgrade. Power Coard
Upgrading Procedure
1. Connect Download Cable to projector 2. Computer 2.
Service Guide - Page 16
... according to turn off the power, computer system, and other attached devices; then disconnect the power cable from the electronically outlet. Before you disassemble the projector, be sure to grouping. Chapter 3
Machine Disassembly and Replacement
This section provides disassembly procedures for PH112 DLP Projector.
Service Guide - Page 18
Disassemble Lamp Module
1. Remove Lamp Cover 3. Note:Unplug all the cord before disaddembling the Projector.
01635-366*2
Lamp Cover Assembly
01635-366*2
Lam p Assem bly
Chapter 3
12 Grasp the lamp handle and pull out Lamp Module p.s Related notice of Lamp Cover 2. Loosen two screws of replace lamp pls refer to the Lamp Specification section . Loosen two screws of Lamp Module . 4.
Service Guide - Page 21
Disassemble Front Fan
1. Lift up the Front f Fan Set from front cover directly.
15
Chapter 3
Service Guide - Page 35
... 2. Moreover, you can get the appropriate operation to solve some complicated problems of component repairing and professional problems.
The Troubleshooing section focus on below items: 1. Operation Function Troubleshooing 3. Chapter 4
Troubleshooting
This chapter provides technicians and people who have an electronic background a primary description about maintaining the product. Power...
Service Guide - Page 37
... LED indication
OK
Look up user
NG manual ,and
follow indica-
tive action
Check Lamp
NG
Replace Lamp
Check Top cover's cable
NG Replace cable
or connect the
cable back
OK
Check Speaker
Connector
NG Speaker
Connector Become loose
OK
Check Thermal Sensor
NG Replace Ther- mal Sensor
OK
Check Speaker
NG
Replace Speaker
OK
OK
Check Fan...
Service Guide - Page 43
...7
(1) Click on the folder, select the " Boundary Frame " BMP file, press the AUTO button on the projector, check if the lines and colors of the file. Figure 1
(3).Select the " 800 flicker" BMP file. ...12 squares 800 flicker Full Black Full White
Black and White Word
256RGB Full Gray
Boundary Frame
Specification
Remark
(1).Select the "12 squares" BMP file to project the image on the screen ....
Service Guide - Page 55
... check the most up-to repair or for repair and service of customer machines.
Chapter 6
FRU (Field Replaceable Unit) List
This chapter gives you FRU ( Field Replaceable Unit ) listing in the FRU list of this chapter whenever ordering for parts to -date information available on your regional Acer office on the printed Service Guide.
Please note that WHEN ORDERING...
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