Acer | PD723 | Technical information | Acer PD723 Technical information

PD723 & PD725
Service Guide
Service guide files and updates are available
on the AIPG/CSD web; for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN
Revision History
Please refer to the table below for the updates made on PD723 & PD725 service guide.
Date
II
Chapter
Updates
Copyright
Copyright © 2004 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in
any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without
the prior written permission of Acer Incorporated.
Disclaimer
The information in this guide is subject to change without notice.
Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular
purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the
programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its
dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential
damages resulting from any defect in the software.
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Pentium 4 and Celeron are trademarks of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.
III
Conventions
The following conventions are used in this manual:
IV
Screen Message
Denotes actual messages that appear
on screen.
NOTE
Gives bits and pieces of additional
information related to the current
topic.
WARNING
Alerts you to any damage that might
result from doing or not doing specific
actions.
CAUTION
Gives precautionary measures to
avoid possible hardware or software
problems.
IMPORTANT
Reminds you to do specific actions
relevant to the accomplishment of
procedures.
Preface
Before using this information and the product it supports, please read the following general information.
1.
This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION
decided for Acer's "global" product offering. To better fit local market requirements and enhance product
competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g.
add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered
in this generic service guide. In such cases, please contact your regional offices or the responsible
personnel/channel to provide you with further technical details.
2.
Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information
available on your regional web or channel. If, for whatever reason, a part number change is made, it will
not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer
office may have a DIFFERENT part number code to those given in the FRU list of this printed Service
Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and
service of customer machines.
V
VI
Chapter 1
System Introduction
Technical Specification
Item
Dimensions (WxHxD)
Weight
Model
P D 725
Inner dimension 335 x 250 x 100 (mm)
P D 723
Inner dimension 330 x 269 x 100 (mm)
P D 725
Approx. 8 lbs
P D 723
Approx. 7.5 lbs
Tilt Angle
PD723/725
7 degree with elevator mechanism
Keystone correction
PD723/725
+/-16 degree (32 degree)
Lamp Door Projection
PD723/725
Lamp power supply shut off automatically when door open
P D 725
Universal AC 100-240V 50/60 Hz with PFC input
Used OSRAM P-VIP 300/1.3 E21.8 300W Lamp
P D 723
Universal AC 100-240V 50/60 Hz with PFC input
Used Philip E21.8 250W Lamp
PD723/725
384W Typ. @ 110V AC
Standby mode -< 10 Watt @ 110V AC
P D 725
F/2.2-2.6 ; f24.5-29.4 : 1.2x
P D 723
F/2.4-2.6 ; f28-33.6 : 1.2x
PD723/725
1.2m~12m
P D 725
Specification : 3000 Lumens
Typical output : 2600 Lumens
Minimum : 2210 Lumens
P D 723
Specification : 2600 Lumens
Typical output : 2250 Lumens
Minimum : 1910 Lumens
P D 725
Specification : 1500 : 1 full on / full off
Typical output : 1300 : 1
Minimum : 1000 : 1 full on / full off
P D 723
Specification : 2000 : 1 full on / full off
Typical output : 1800 : 1
Minimum : 1200 : 1 full on / full off
P D 725
Specification : 85%
Power Supply
Power Consumption
Projection Lens
Projection Distance
Brightness
Contrast Ratio
Uniformity
1
Description
P D 723
Specification : 85% (JBMA)
Temperature
PD723/725
Opterating : 5~35oC
Storage : -20~60oC
Color Temperature
PD723/725
7500oK adjustable from 6500oK-9500oK
Chapter 1
Product Overview
Main Unit
Item
Chapter 1
Description
1
Remote Control Receiver
2
Zoom Lens
3
Elevator Button
4
Elevator Foot
5
Focus Ring
6
Zoom Ring
7
Power Socket
8
Connection Ports
9
Control Panel
2
Panel Control
Item
3
Description
1
Temp Indicator LED
2
Power Indicator LED
3
Lamp Indicator LED
4
Power / Standby
5
Source
6
Four Directional Select Keys
7
Display Mode
8
Keystone Correction
9
Re-sync
10
Menu
Chapter 1
Connection Ports
Item
Chapter 1
Description
1
DVI-I Input Connector (PC Digital and Analog signal / HDTV
/ HDCP / Component Video Input)
2
VGA Connector (PC Analog Signal / HDTV / Component
Video Input)
3
USB Input Connector
4
RS232 Input Connector
5
Monitor Loop-through Output Connector
6
Component Video Input Connector
7
S-Video Input Connector
8
Composite Video Input Connector
9
Audio Input Connector
10
Audio Output Connector
4
Remote Control with Mouse Function & Laser Pointer
Item
5
Description
1
IR LEDS
2
Power
3
Sync
4
Keystone Correction
5
Display Format
6
Laser Button
7
Laser Pointer
8
Laser Indicator LED
9
A/V Mute
10
Freeze
11
Display Mode
12
Mouse
13
Mouse Right Click
14
Mouse Left Click
15
Page Up / Page Down
16
Page Scrolling
17
Zoom In / Zoom Out
18
Four Directional Select Keys
19
OK (Enter)
20
Source Lock
21
Menu
22
VGA Source
23
DVI-I Source
24
Component Video Source
25
S-Video Source
26
Composite Video Source
Chapter 1
Connecting the Projector
9
8
7
3
Item
Chapter 1
Description
1
DVI to D-Sub Cable
2
VGA Cable
3
Composite Video Cable
4
3 RCA Component Cable
5
S-Video Cable
6
Audio Cable Jack / Jack
7
USB Cable
8
DVI to DVI Cable (Optional Accessory)
9
RS232 Cable (Optional Accessory)
6
System Block Diagram
7
Chapter 1
Chapter 2
Firmware Upgrade
This chapter provides the equipment needed, setup and upgrading procedure for Firmware
upgrade.
Equipment Needed
Item
Description
Config.hex
Flasher.hex
FlashUpgrader.exe
Software
Gui.exe
Pixelware.inf
Romcode.hex
Power Cord
Cable RS232 To Mini Din 3 Pin
Hardware
PC or Laptop
PD723/725 Projector
Setup Procedure
1.
Connect RS232 Cable between PC and PD723/725 Projector.
RS232 Cable
Mini Din 3pin Port
Chapter 2
8
Installation Procedure
1.
Execute the “FlashUpgrader.exe” program.
2.
3.
4.
Click “Choose” toget the file directory.
Select <pwSDK.inf> file and open it.
Select the Serial port in Connection field, COM1 : in COM Port field and
115200 in Baud Rate field.
1
C:\Firmware\Acer\PD723\v3.0\New Folder
3
New Folder
2
9
Chapter 2
5.
Click “Flash” to start the firmware upgrade procedure and keep press the
projector’s power button immediately until download “gui.hex” to 10%.
C:\Firmware\Acer\PD723\v3.0\New Folder
Flash
C:\Firmware\Acer\PD723\v3.0\New Folder
6.
After downloading all files, enter the service mode to check the F/W version.
*Note
Note :
Chapter 2
Press “Power”, “Up”, “Down”, “Right” button, and then enter the service
mode to check the F/W version.
10
EDID Upgrade
This chapter provides the equipment needed, setup and upgrading procedure for EDID
upgrade.
Equipment Needed
Item
Description
PC or Laptop (OS : Windows 98 / ME)
EDID Fixture
DFP to DVI Cable
Power Adapter
Hardware
RS-232 Cable
VGA Cable
Power Cord
DDC Driver
PD723/725
EDID Fixture
P/N:80.00001.001
DFP to DVI Cable
P/N: 42.81702.001
VGA Cable
P/N:42.53001.051
Power Adapter
P/N: 47.53402.004
RS-232 Cable
P/N: 42.55708.001
11
Chapter 2
Setup Procedure
1. Connect Power Adapter with fixture.
2. Make sure the JP1 and JP5 is close and JP2 is open.
3. Connect P2 of the fixture with VGA Port of PD723/725 by the VGA Cable.
4. Connect P3 of the fixture with DVI Port of PD723/725 by the DFP to DVI Cable.
5. Turn on the power of the fixture.
P3
P2
JP1
JP2
JP5
COM1
Chapter 2
12
DDC Key-in Procedure
A. Analog
1.
2.
3.
Execute PD723 or PD725 EDID_B program.
Make sure the COM port is connecting ok.
Choose the “Analog” to do the Analog DDC procedure.
PD723/PD725
13
Chapter 2
4.
Key-in S/N into the blank beside Barcode, and then press “Enter” key on the
keyboard to begin programming.
081Y25189315601
081Y (PD723) / 081N (PD725)
PD723/PD725
5.
After finishing the above action, “PASS” message will appear on the screen.
2004
081Y (PD723) / 081N (PD725)
PD723/PD725
Chapter 2
14
B. Digital
1.
2.
Make sure the COM port is connecting ok.
Choose the “Digital” to do the Digital DDC procedure.
081Y (PD723) / 081N (PD725)
PD723/PD725
3.
Key-in S/N into the blank beside Barcode, and then press “Enter” key on the
keyboard to begin programming.
081Y25189315601
081Y (PD723) / 081N (PD725)
PD723/PD725
15
Chapter 2
4.
After finishing the above action, “PASS” message will appear on the screen.
081Y (PD723) / 081N (PD725)
PD723/PD725
Chapter 2
16
Chapter 3
Machine Disassembly and Replacement
This section provides disassembly procedures for PD723/725 Micro Portable XGA DMD
Projector. Before you begin any of these procedures, be sure to turn off the power, computer
system, and other attached devices; then disconnect the power cable from the electrical outlet.
Moreover, when you disassemble the projector, be sure to put the screws in a safe place and
separate them according to their category.
Tool Needed
Item
PHOTO
Long Nose Nipper (Left)
Angle Cutting Nipper (Right)
Hex Sleeves 5mm (Top)
Screw Bit (-) 101
Wrench #8
Screw Bit (+) : 107, 102, 101
(from top to bottom)
General Information
Before You Begin
Before proceeding with the disassembly procedure, make sure that you do the following
precedures:
1. Turn off the power of the system and all the peripherals.
2. Unplug the AC adapter and all power and signal cables from the system.
3. Anti-static wrist strap.
17
Chapter 3
The Front Side
The Rear Side
Disassemble Lamp Module and Elevator Foot
1.
Turn unit to bottom side. Remove Lamp Cover and unscrew three screws to pull out Lamp
Module.
Lamp Cover
Lamp Module
Chapter 3
18
2.
Unscrew two screws to detach the Elevator Foot from Bottom Housing.
Lift it then unscrew
the screw
Elevator Foot
19
Chapter 3
Disassemble Top Cover, Front Cover, Keypad Board and IR
Sensor Module
1.
Unscrew eight screws and then turn the unit to the top side to lift Top Cover.
2.
Unplug three wires to separate Top Cover from the main unit.
Chapter 3
20
3.
Unscrew 4 screws to remove Keypad and Keypad Board.
Keypad
Keypad Board
FPC Cable
21
Chapter 3
Disassemble Main Board Module and Thermal Switch
1.
2.
Unplug nine connectors and unscrew four screws.
Unscrew six hex screws from Rear Cover to remove Main Board.
Main Board Module
Chapter 3
22
3.
Unscrew one screw to remove Thermal Switch.
Thermal Switch
23
Chapter 3
Disassemble Fan Guider Module, Wind Tunnel Module, Lamp
Driver Module, LVPS and Interrupt Switch Module
1.
2.
Unscrew three screws to separate Fan Guider Module and Wind Tunnel Module from Bottom Housing.
Unscrew two screws from Wind Tunnel Module to remove Fan Guider Module.
Fan Guider Module
Chapter 3
Wind Tunnel Module
24
3.
Unscrew six screws, unplug one wire and one connector to remove Lamp Driver Module.
Lamp Driver Module
25
Chapter 3
4.
Unsrew three screws and unplug one wire to remove LVPS.
LVPS
Chapter 3
26
5.
Unscrew two screws to remove EMI Ground Plate and separate the cables.
LVPS
27
Cables
EMI Ground Plate
Chapter 3
6.
Unscrew two screws to remove Interrupt Switch Module.
Interrupt Switch Module
Chapter 3
28
Disassemble Color Wheel Module, Axial Fan 90x25 Module,
Lamp Fan 60x60x25 and Optical Engine Module
1.
Unscrew two screws to remove Color Wheel Module.
Photo Sensor Module
29
Color Wheel
Chapter 3
2.
Unscrew two screws to remove Axial Fan 90x25 Module.
Steamtight rubber
Chapter 3
Axial Fan 90x25
Holder Bracket and Rubber Bottom
30
3.
4.
Unscrew two screws to remove 60x60x25 Lamp Fan.
Pull two side outward to disassemble 60x60x25 Lamp Fan.
60x60x25 Lamp fan
31
Chapter 3
5.
Unscrew four screws to remove Engine Module from Bottom Cover.
Bottom Cover
Chapter 3
Optical Engine Module
32
For PD723 Use only :
6.
Tear off EMI tape to separate Wind Guider Cover Mylar from Engine Module.
Wind guider cover mylar
7.
Unscrew four screws to remove DMD Heatsink.
DMD Heatsink
33
Chapter 3
For PD725 Use only :
7.
Unscrew four screws to remove DMD Heatsink Module.
Unscrew four screws to remove DMD Heatsink Cover.
Unscrew three screws to separate 45x45x9 Dish Fan from DMD Heatsink AL.
DMD Heatsink Module
DMD Heatsink Cover
45x45x9 Dish Fan
DMD Heatsink AL
Chapter 3
34
Disassemble DMD Board and DMD CHIP
1.
Unscrew four screws to remove Bracket Plate, Insulation Mylar, DMD Board.
Bracket Plate
Insulation Mylar
DMD Board
2.
Separate DMD chip from Engine Module.
DMD Socket
DMD Chip
DMD Seal rubber
35
Chapter 3
3.
Unscrew three screws to remove Focus Ring & Replace Ring.
Focus Ring & Replace Ring
Optical Engine Module
Chapter 3
36
Disassemble Blower Fan 50x20, Thermal Sensor Board, Interrupt
Switch Module, Bottom Cover and Rear Cover
1.
Unscrew one screw to remove Thermal Senor Board.
Thermal Senor Board
2.
Unscrew three screws to remove Blower Fan 50x20 Module.
Blower Fan 50x20 Module
37
Chapter 3
3.
Unscrew one screw and separate Rear Cover from Bottom Cover by pressing four tenons.
Rear cover
Bottom Cover
Chapter 3
38
4.
Unscrew three screws and press the tenon to remove Elevator Module.
Elevator Module
39
Chapter 3
Chapter 4
Troubleshooting
This chapter provides technicians and people who have an electronic background a primary
description about maintaining the product. Moreover, you can get the appropriate operation to
solve some complicated problems of component repairing and professional problems.
The Troubleshooting section focus on the following precedures:
1.
Power Troubleshooting
2.
Performance Troubleshooting (Computer Signal)
3.
Performance Troubleshooting (Video Signal)
4.
Function Troubleshooting
5.
Audio Troubleshooting
6.
Remote Control Troubleshooting
Equipment Needed
Item
PD723 / 725 Projector
VESA VGA Cable / VESA DVI to DVI Cable
PC (Personal Computer) with analog and digital signal output
DVD Player for Video Signal and Audio Signal
PD723 / 725 Remote Control
Chapter 4
40
Main Procedure
Power Troubleshooting
41
A.
Is LED Indicator OK?
Check the Power cord and AC power outlet.
Check the Keypad cable has broken or not.
Check if all the wires are well connected inside.
Check the Ballast.
Check the Main board.
Check the Keypad board.
B.
Is Fan Working After Press Power/Standby Button?
Check the Keypad cable has broken or not.
Check if fan wire is well connected.
Check the Thermal board.
Check the Main board.
Check the Fan.
C.
Is Lamp Lit?
Check the Lamp cover assembly OK or not.
Check thay have the sound of Lamp ignitor output from Unit or not.
Check the Cable of interrupt switch.
Check the DMD board.
Check the Lamp module.
Check the Ballast.
Chapter 4
Performance Troubleshooting (Computer Signal)
Chapter 4
A.
Have Image?
Ensure the Signal cable and Source work as well.
Check that can OSD Menu show on the screen.
Check the Main board.
Check the DMD board.
B.
Have Garbage Pattern?
Ensure the Signal cable and Source work as well.
Check the Main board.
Check the DMD board.
C.
Uniformity OK?
Ensure the Projection screen without dirty.
Ensure the Projection lens is clean.
Ensure the Brightness is within spec.
(Replace the Lamp if the Brightnedd is less than spec.)
Check the Optical engine.
D.
Is Color OK?
Ensure the Signal cable works as well.
Check the “Color wheel index” in the service mode of OSD Menu. (*Note)
Check the Photo sensor.
Check the Main board.
Check the DMD board.
E.
Dot Defect isn’t Compliant with the Spec.
Ensure the Projection lens is clean.
Use the Air gun for the Optical engine clean.
Check the DMD chip.
F.
Have Noise?
Ensure the Signal cable and Source is work as well.
Adjust the Tracking selection in OSD Menu.
Press the Menu button to check that have the noise issue appear on OSD Menu.
(Check the DMD board if the noise also appear on the OSD Menu.)
42
G.
Have Line Bar?
Adjust the frequency selection in OSD Menu.
Press the Menu button to check that have Line bar show on the OSD
Menu. (Check the DMD chip and DMD board. If the Line bar also
show on the OSD Menu)
Ensure that there is no dust on the DMD Contact housing module.
Re-assembly for DMD module.
Check the Main board.
H.
Have Noise?
Ensure the Signal cable and Source is work as well.
Adjust the Tracking selection in OSD Menu.
Press the Menu button to check that have the noise issue appear on
OSD Menu. (Check the DMD board if the noise also appear on the
OSD Menu.)
*Note :
The procedure to enter service mode is..
Press ”Power”, “Up”, “Down”, “Right” button when the Unit under search
status.
Performance Troubleshooting (Video Signal)
43
A.
Have Image?
Ensure the signal cable and source work as well.
Check that can OSD menu show on the screen.
(Check the main board if OSD menu cannot show on the screen)
B.
Have Garbage Pattern?
Ensure the signal cable and source work as well.
Check that can OSD menu show on the screen.
(Check the main board if OSD cannot show on the screen)
Chapter 4
Chapter 4
C.
Is Color OK?
Do the “Factory Reset” of the engineering mode.
Ensure the signal cable work as well.
Check the color temperature setting of OSD menu.
(Check the main board if the setting of color temperature is under default)
Check the color setting of OSD menu. Ex : “Saturation”, “Tint” and “Sharpness”
setting of OSD menu.
D.
Is Image Flicker?
Ensure the signal cable work as well.
(Please check the length of cable; the signal will be reduce when the
signal cable is longer than 5m)
Do the “Factory Reset” of the engineering mode.
(Check the Main board if the image still flicker after the factory reset.)
E.
Is There Line Bar Show On The Screen?
Check that can OSD menu display on the line bar area.
(Check the DMD board if the OSD menu cannot display on the line bar area.)
(Check the Main Board if the OSD menu can display on the line bar area)
F.
Is Image Noise?
Ensure the signal cable is work as well.
(Check the cable length of cable; the signal will be reduce when the
signal cable is longer than 5m)
Do the “Factory Reset” of the engineering mode.
(Check the Main board if the image still display with noise.)
44
Function Troubleshooting
A.
OSD Does Not Show up.
Check the Keypad cable and ensure there is no broken issue on the cable.
Use Keypad to test again.
(Replace the Keypad board if the Unit works fine with the new Keypad board.)
Use the Remote control for the OSD function test.
(Check the Keypad board and Keypad cable if the Remote control works as
well)
Check the Main board.
B.
Function Cannot Be Adjust.
Check the Keypad cable and ensure there is no broken issue on the cable.
Use Keypad to test again.
(Replace the Keypad board if the Unit works fine with the new Keypad board.)
Use the Remote control for the OSD function Adjustment test.
(Check the Keypad board and Keypad cable if the Remote control works as
well)
Check the Main board.
Audio Troubleshooting
45
A.
No Sound Output.
Ensure the Signal cable and Source are work fine.
Use the new Speaker for the Sound output test.
(Replace the Speaker if the new Speaker works fine with the Unit.)
Check the Speaker wire that has broken issue or not.
Check the Main board.
B.
Sound Output With Noise.
Ensure the Signal cable and Source are work fine.
Ensure the volume has not select to the max selection.
(Due to the output power of internal Speaker is 2W only.
It might has the noise issue if the volume select to the max.)
Use the new Speaker for the test.
(Replace the Speaker if the new Speaker works fine with the Unit.)
Check the Speaker wire that has broken issue or not.
Check the Main board.
Chapter 4
Remote Control Troubleshooting
A.
Chapter 4
Remote Controller No Function.
Check the Laser function of Remote controller.
(Replace the battery if there is no Laser output from the Remote controller.)
Use a known Remote controller for the function test.
(Replace the Remote controller if the new Remote controller works fine
with the Unit.)
Check the Main board if the Unit works fine with a known good
Remote controller.
46
Function Test and Alignment Procedure
Equipment Needed
Item
Description
1
IBM PC with XGA resolution (Color Video Signal & Pattern Generator)
2
DVD player with component video (Y, Pb, Pr) and Multi-system (NTSC / PAL /
SECAM)
3
HDTV Tuner or Source (480i/p, 576i/p, 720p, 1080i)
4
Minolta CL-100
5
Quantum Date 802B or Chorma 2327
Test Condition
Item
Description
1
Circumstance Brightness :
1.) Dark room less than 10 lux for functional inspection.
2.) Circumstance brightness over than 500 lux for external inspection.
2
Inspection Distance :
1.) About 2.25m for functional inspection (The prosection distance has to base
on the screen size till 60 inches)
2.) 30cm for external inspection.
3
Screen Size : 60 inches diagonal (wide)
4
Each PD723/725 should be run-in for 2 hours after repair.
5
Each PD723/725 should be cooling for 5 minutes after the run-in test.
6
Before function test and alignment, each PD723/725 should be warmed up for
5 minutes.
1.) In room temperature
2.) With cycled display colors (R,G,B,White) *Note
7
Test Display Mode & Pattern
8
Function Test and Alignment Procedure
* Note :
a. Please enter “Service Mode” to select burn-in function. (For cycled display color mode)
b. The procedure for enter service mode.
Press ”Power”, “Up”, “Down”, “Right” button when unit is showing “search the signal” image.
47
Chapter 4
Test Display Modes and Patterns
Compatible Modes
Analog :
Chapter 4
Compatibility
Resolution
V-Sync(Hz )
H-Sync(KHz )
VGA
640 x 350
70
31.5
VGA
640 x 350
85
37.9
VGA
640 x 400
85
37.9
VGA
640 x 480
60
31.5
VGA
640 x 480
72
37.9
VGA
640 x 480
75
37.5
VGA
640 x 480
85
43.3
VGA
720 x 400
70
31.5
VGA
720 x 400
85
37.9
SVGA
800 x 600
56
35.2
SVGA
800 x 600
60
37.9
SVGA
800 x 600
72
48.1
SVGA
800 x 600
75
46.9
SVGA
800 x 600
85
53.7
XGA
1024 x 768
60
48.4
XGA
1024 x 768
43.4
35.5
XGA
1024 x 768
60
48.4
XGA
1024 x 768
70
56.5
XGA
1024 x 768
75
60.0
XGA
1024 x 768
85
68.7
SXGA
1152 x 864
70
63.8
SXGA
1152 x 864
70
63.8
SXGA
1152 x 864
75
67.5
SXGA
1152 x 864
85
77.1
SXGA
1280 x 1024
60
63.98
SXGA
1280 x 1024
75
79.98
SXGA
1280 x 1024
85
91.1
SXGA+
1400 x 1050
60
63.98
UXGA
1600 x 1200
60
75
MAC LC 13"
640 x 480
66.66
34.98
MAC II 13"
640 x 480
66.68
35
MAC 16"
832 x 624
74.55
49.725
48
Analog :
49
Compatibility
Resolution
V-Sync(Hz )
H-Sync(KHz )
MAC 19"
1024 x 768
75
60.24
MAC
1152 x 870
75.06
68.68
MAC G4
640 x 480
60
31.35
MAC G4
640 x 480
120
68.03
MAC G4
1024 x 768
120
97.09
i MAC DV
640 x 480
117
60
i MAC DV
800 x 600
95
60
i MAC DV
1024 x 768
75
60
i MAC DV
1152 x 870
75
68.49
i MAC DV
1280 x 960
75
75
i MAC DV
1280 x 1024
85
91.1
Chapter 4
Digital :
Chapter 4
Compatibility
Resolution
V-Sync(Hz )
H-Sync(KHz )
VGA
640 x 350
70
31.5
VGA
640 x 350
85
37.9
VGA
640 x 400
85
37.9
VGA
640 x 480
60
31.5
VGA
640 x 480
72
37.9
VGA
640 x 480
75
37.5
VGA
640 x 480
85
43.3
VGA
720 x 400
70
31.5
VGA
720 x 400
85
37.9
SVGA
800 x 600
56
35.2
SVGA
800 x 600
60
37.9
SVGA
800 x 600
72
48.1
SVGA
800 x 600
75
46.9
SVGA
800 x 600
85
53.7
XGA
1024 x 768
60
48.4
XGA
1024 x 768
70
56.5
XGA
1024 x 768
75
60.0
XGA
1024 x 768
85
68.7
SXGA
1152 x 864
70
63.8
SXGA
1152 x 864
75
67.5
SXGA
1152 x 864
85
77.1
SXGA
1280 x 1024
60
63.98
SXGA
1280 x 1024
75
79.98
SXGA
1280 x 1024
85
91.1
SXGA+
1400 x 1050
60
63.98
UXGA
1600 x 1200
60
75
50
Function Test Display Pattern
-
PC Signal
Item
Pattern
Fine Line
Moire
Specification
Eliminate visual wavy noise by
Rsync, Frequency or Tracking
selection.
Remark
1
Frequency &
Tracking
2
32 Gray Scale / Gray level should be
Contrast/Brightne64 RGBW
distinguishable and without color
ss
abnormal issue.
scale
Figure
2,3
3
R, G, B and White
R, G, B and
Color
White Color
Performance
Each R, G, B color should be
normal without color abnormal
issue.
Figure
4~7
4
Screen Uniformity
Should be compliant with
65%.(Minimum)
Figure 7
Dead Pixel (Bright
Full Black
pixel)
Cannot accept any bright pixel
Figure 8
Dead Pixel (Dark
pixel)
Full White
The numbers of dead pixel should
be smaller or amount to 6 pixel.
Figure 7
6
Blemish (Bright
Full Black /
Gray 30
The dark blemish cannot be accept
Figure 8,
if the problem appear with Blue 60
9
pattern.
7
Blemish (Dark)
The dark blemish cannot be accept
Figure 7,
Full white / Blue
if the problem appear with Blue 60
10
60
pattern.
8
Focus
Text Pattern
The test in the corner should be
clear after adjust the focus ring.
Figure
11
9
Boundary
Boundary
Frame
Horz. And Vert. position of video
should be adjustable to be the
screen frame.
Figure
12
5
51
Test Content
Full White
Figure 1
Chapter 4
Chapter 4
52
53
Chapter 4
Video & Audio Signal
Item
Test Content
1
Composite Video
The input signal has to display without color abnormal.
2
S-Video
The input signal has to display without color abnormal
3
Component Video The input signal has to display without color abnormal.
4
HDTV
The input signal has to display without color abnormal.
5
Audio
The audio should be output without noise. The audio
selection of OSD should be functionally.
Chapter 4
Specification
54
Inspection Procedure
N o.
Item
Description
1
Elevator Function
1.) Please check and ensure the function of
elevator is work as well.
2.) If not, please return the unit to repair area.
2
Keypad Function
(Including Remote
Control)
1.) Please check and ensure the control function of
keypad is work as well.
2.) If not, please return the unit to repair area.
Clock and Clock phase
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Fine Line Moire Pattern
1.) Check and see If image sharpness and focus
in well performed.
2.) If not, readjust by following steps.
(a) Enter Image-I, and then select Frequency
function to adjust the total pixel number of
pixel clock in one line period.
(b) Then select phase function and use right or left
button to adjust the value to minimize video
flicker.
R, G, B and white color
contrast
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:64 RGBW scale pattern
1.) Please check and ensure if each color is
normal and distinguishable.
2.) If not, please return the unit to repair area.
Screen Uniformity
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Full white pattern
1.) Please check and ensure the unit is under the
spec. (60% Minimum)
2.) If not, please return the unit to repair area.
Dead pixel (Bright pixel)
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Full black pattern
1.) Please check and ensure the unit is under the
spec. (Cannot accept any bright pixel)
2.) If not, please return the unit to repair area.
Dead pixel (Dark pixel)
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Full white pattern
1.) Please check and ensure the unit is under the
spec. (Pixel number should be smaller or
amount to 6 pixels)
2.) If not, please return the unit to repair area.
3
4
5
6
7
55
Chapter 4
N o.
8
9
10
11
Item
Description
Blemish (Bright)
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Full black and Gray 30 patterns
1.) Please check and ensure the unit is under the
spec. (The bright blemish should not be able to
see under Gray 30 pattern)
2.) If not, please return the unit to repair area.
Blemish (Dark)
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Full white and Blue 60 patterns
1.) Please check and ensure the unit is under the
spec. (The dark blemish should not be able to
see under Blue 60 pattern)
2.) If not, please return the unit to repair area.
Focus
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Text pattern
1.) Please check and ensure the unit is under the
spec. (The text in the corner should be able to
see with clear)
2.) If not, please return the unit to repair area.
Boundary
- Test Signal:1024 x 768 @ 75Hz
- Test Pattern:Boundary frame pattern
1.) Please check and ensure the unit is under the
spec. (The horizontal and vertical position of
image should be adjustable to be the screen
frame.)
2.) If not, please return the unit to repair area.
-
12
13
14
15
V i deo
Test Signal:Composite video,S-Video and
Component video
- Test Pattern:NTSC,PAL,SECAM
1.) Please check and ensure the unit can display
the video signal without color abnormal or
image abnormal issue.
2.) If not, please return the unit to repair area.
HDTV
- Test Signal:HDTV signal
- Test Pattern:480i/p,576i/p,720p,1080i
1.) Please check and ensure the unit can display
the HDTV signal without color abnormal or
image abnormal issue.
2.) If not, please return the unit to repair area.
Audio
1.) Please check and ensure the function of audio
is work as well. (Volume,Treble,Bass,Mute)
2.) If not, please return the unit to repair area.
Reset All
After final QC step, we have to erase all saved
change again and restore the factory defaults.
Please select and enter Factory Reset function of
Service Mode to ensure the function is work as well.
This action will allow you erase all end-users
settings and restore the original factory setting.
Chapter 4
56
Chapter 5
FRU (Field Replaceable Unit) List
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of PD723 & PD 725.
Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
IMPORTANT: Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date
information available on your regional web or channel. For whatever reasons a part number
change is made, it will not be noted in the printed Service Guide. For ACER-AUTHORIZED
SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those
given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by
your regional Acer office to order FRU parts for repair and service of customer machines.
IMPORTANT: Please note that Acer Corporation sells only the parts listed in the following table. Please
be reminded that though some parts are disassembled in Chapter 3 for demonstration
purpose, Acer Corporation does not provide these parts.
NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or
regulations on how best to dispose it, or follow the rules set by your regional Acer office on how to
return it.You can access to the website for the latest Parts version http://aicsl.acer.com.tw/spl
NOTE: Please access to http://aicsl.acer.com.tw/spl to get the up-to-date Part information.
Chapter 5
57
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