advertisement
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
II
Revision History
Please refer to the table below for the updates made on PD723 & PD725 service guide.
Date 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:
Screen Message
NOTE
WARNING
CAUTION
IMPORTANT
Denotes actual messages that appear on screen.
Gives bits and pieces of additional information related to the current topic.
Alerts you to any damage that might result from doing or not doing specific actions.
Gives precautionary measures to avoid possible hardware or software problems.
Reminds you to do specific actions relevant to the accomplishment of procedures.
IV
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
System Introduction
Technical Specification
I t e m
D i m e n s i o n s ( W x H x D )
W e i g h t
T i l t A n g l e
K e y s t o n e c o r r e c t i o n
L a m p D o o r P r o j e c t i o n
P o w e r S u p p l y
P o w e r C o n s u m p t i o n
P r o j e c t i o n L e n s
P r o j e c t i o n D i s t a n c e
M o d e l
P D 7 2 5
P D 7 2 3
P D 7 2 5
P D 7 2 3
P D 7 2 3 / 7 2 5
P D 7 2 3 / 7 2 5
P D 7 2 3 / 7 2 5
P D 7 2 5
P D 7 2 3
P D 7 2 3 / 7 2 5
P D 7 2 5
P D 7 2 3
P D 7 2 3 / 7 2 5
P D 7 2 5
B r i g h t n e s s
P D 7 2 3
C o n t r a s t R a t i o
U n i f o r m i t y
T e m p e r a t u r e
C o l o r T e m p e r a t u r e
P D 7 2 5
P D 7 2 3
P D 7 2 5
P D 7 2 3
P D 7 2 3 / 7 2 5
P D 7 2 3 / 7 2 5
D e s c r i p t i o n
I n n e r d i m e n s i o n 3 3 5 x 2 5 0 x 1 0 0 ( m m )
I n n e r d i m e n s i o n 3 3 0 x 2 6 9 x 1 0 0 ( m m )
A p p r o x .
8 l b s
A p p r o x .
7 .
5 l b s
7 d e g r e e w i t h e l e v a t o r m e c h a n i s m
+ / 1 6 d e g r e e ( 3 2 d e g r e e )
L a m p p o w e r s u p p l y s h u t o f f a u t o m a t i c a ll y w h e n d o o r o p e n
U n i v e r s a l A C 1 0 0 2 4
U s e d O S R A M P V I P
0 V 5 0 / 6
3 0 0 / 1 .
3
0 H z w i t h P F C i n p u
E 2 1 .
8 3 0 0 W L a m p t
U n i v e r s a l A C
U s e d P h i il p
1 0 0 2 4 0 V
E 2 1 .
8 2 5 0 W
5 0 / 6 0
L a m p
H z w i t h P F C i n p u t
3
S t
8 4 a
W n d b
T y y p .
@ m o d e
1 1
<
0 V
1 0
A C
W a t t @ 1 1 0 V A C
F / 2 .
2 2 .
6 ; f 2 4 .
5 2 9 .
4 : 1 .
2 x
F / 2 .
4 2 .
6 ; f 2 8 3 3 .
6 : 1 .
2 x
1 .
2 m ~ 1 2 m
S p e c i f i c a t i o n : 3 0 0 0 L u m e n s
T y p i c a l
M i n i m u o u m : t p u t :
2 2 1 0
2 6 0 0 L u m e n s
L u m e n s
S p e c i f i c a t i o n : 2 6 0 0 L u m e n s
T y p
M i n i c i m a u l o u m : t p u t :
1 9 1 0
2 2 5 0
L u m
L e u n s m e n s
S p e c i f i c a t i o n : 1 5 0 0 : 1 f u ll o n / f u
T y p
M i n i c i m a u l o u m : t p u t :
1 0 0 0
1 3 0 0
: 1 f u
: ll
1 o n / f u ll o f f ll o f f
S p e c i f i c a t i o n : 2 0 0 0 : 1 f u ll o n / f u
T y p
M i n i c i m a u l o u m : t p u t :
1 2 0 0
1 8 0 0
: 1 f u
: ll
1 o n / f u ll o f f ll o f f
S p e c i f i c a t i o n : 8 5 %
S p e c i f i c a t i o n : 8 5 % ( J B M A )
O p t e r a t i n g
S t o r a g e :
: 5 ~ 3 5 o C
2 0 ~ 6 0 o C
7 5 0 0 o K a d j u s t a b l e f r o m 6 5 0 0 o K 9 5 0 0 o K
Chapter 1
1 Chapter 1
Product Overview
Main Unit
Chapter 1
I t e m
6
7
4
5
8
9
1
2
3
D e s c r i p t i o n
R e m o t e C o n t r o l R e c e i v e r
Z o o m L e n s
E l e v a t o r B u t t o n
E l e v a t o r F o o t
F o c u s R i n g
Z o o m R i n g
P o w e r S o c k e t
C o n n e c t i o n P o r t s
C o n t r o l P a n e l
2
Panel Control
3
3
4
5
6
7
I t e m
1
2
8
9
1 0
D e s c r i p t i o n
T e m p I n d i c a t o r L E D
P o w e r I n d i c a t o r L E D
L a m p I n d i c a t o r L E D
P o w e r / S t a n d b y
S o u r c e
F o u r D i r e c t i o n a l S e l e c t K e y s
D i s p l a y M o d e
K e y s t o n e C o r r e c t i o n
R e s y n c
M e n u
Chapter 1
Connection Ports
Chapter 1
I t e m
1
2
7
8
9
1 0
5
6
3
4
D e s c r i p t i o n
D V I I I n p u t C o n n e c t o r ( P C D i g i t a l
/ H D C P / C o m p o n e n t V i d e o I n p u t ) a n d A n a l o g s i g n a l / H D T V
V G A C o n n e c t o r ( P C
V i d e o I n p u t )
A n a l o g S i g n a l / H D T V / C o m p o n e n t
U S B I n p u t C o n n e c t o r
R S 2 3 2 I n p u t C o n n e c t o r
M o n i t o r L o o p t h r o u g h O u t p u t C o n n e c t o r
C o m p o n e n t V i d e o I n p u t C o n n e c t o r
S V i d e o I n p u t C o n n e c t o r
C o m p o s i t e V i d e o I n p u t C o n n e c t o r
A u d i o I n p u t C o n n e c t o r
A u d i o O u t p u t C o n n e c t o r
4
Remote Control with Mouse Function & Laser Pointer
5
2 3
2 4
2 5
2 6
1 9
2 0
2 1
2 2
1 2
1 3
1 4
1 5
1 6
1 7
1 8
7
8
5
6
9
1 0
1 1
I t e m
1
2
3
4
D e s c r i p t i o n
I R L E D S
P o w e r
S y n c
K e y s t o n e C o r r e c t i o n
D i s p l a y F o r m a t
L a s e r B u t t o n
L a s e r P o i n t e r
L a s e r I n d i c a t o r L E D
A / V M u t e
F r e e z e
D i s p l a y M o d e
M o u s e
M o u s e R i g h t C il c k
M o u s e L e f t C il c k
P a g e U p / P a g e D o w n
P a g e S c r o l il n g
Z o o m I n / Z o o m O u t
F o u r D i r e c t i o n a l S e l e c t K e y s
O K ( E n t e r )
S o u r c e L o c k
M e n u
V G A S o u r c e
D V I I S o u r c e
C o m p o n e n t V i d e o S o u r c e
S V i d e o S o u r c e
C o m p o s i t e V i d e o S o u r c e
Chapter 1
Connecting the Projector
8
7
9
3
Chapter 1
I t e m
7
8
5
6
9
3
4
1
2
D e s c r i p t i o n
D V I t o D S u b C a b l e
V G A C a b l e
C o m p o s i t e V i d e o C a b l e
3 R C A C o m p o n e n t C a b l e
S V i d e o C a b l e
A u d i o C a b l e J a c k / J a c k
U S B C a b l e
D V I t o D V I C a b l e ( O p it o n a l A c c e s s o r y )
R S 2 3 2 C a b l e ( O p it o n a l A c c e s s o r y )
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
I t e m
S o f t w a r e
H a r d w a r e
D e s c r i p t i o n
C o n f i g .
h e x
F l a s h e r .
h e x
F l a s h U p g r a d e r .
e x e
G u i .
e x e
P i x e l w a r e .
i n f
R o m c o d e .
h e x
P o w e r C o r d
C a b l e R S 2 3 2 T o M i n i D i n 3 P i n
P C o r L a p t o p
P D 7 2 3 / 7 2 5 P r o j e c t o r
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.
Click “Choose” toget the file directory.
3.
Select <pwSDK.inf> file and open it.
4.
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
Chapter 2
6.
After downloading all files, enter the service mode to check the F/W version.
*Note
Note : 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
I t e m
H a r d w a r e
D e s c r i p t i o n
P C o r L a p t o p ( O S : W i n d o w s 9 8 / M E )
E D I D F i x t u r e
D F P t o D V I C a b l e
P o w e r A d a p t e r
R S 2 3 2 C a b l e
V G A C a b l e
P o w e r C o r d
D D C D r i v e r
P D 7 2 3 / 7 2 5
11
EDID Fixture
P/N:80.00001.001
DFP to DVI Cable
P/N: 42.81702.001
RS-232 Cable
P/N: 42.55708.001
VGA Cable
P/N:42.53001.051
Power Adapter
P/N: 47.53402.004
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.
JP1
P3
JP2 JP5
P2
COM1
Chapter 2 12
DDC Key-in Procedure
A. Analog
1.
Execute PD723 or PD725 EDID_B program.
2.
Make sure the COM port is connecting ok.
3.
Choose the “Analog” to do the Analog DDC procedure.
PD723/PD725
13 Chapter 2
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
14
B. Digital
1.
Make sure the COM port is connecting ok.
2.
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
I t e m P H O T O
L o n g
A n g l e
N o s e
C u t t i
N n g i p p e r
N i p p
( L e r e
( f t )
R i g h t )
H e x S l e e v e s
S c r e w B i t
5 m m ( T o p )
( ) 1 0 1
W r e n c h # 8
S c r e w
( f r o m t
B i t o p
( t o
+ ) b
: o t
1 0 7 , t o m )
1 0 2 , 1 0 1
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.
Unplug nine connectors and unscrew four screws.
2.
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.
Unscrew three screws to separate Fan Guider Module and Wind Tunnel Module from Bottom Housing.
2.
Unscrew two screws from Wind Tunnel Module to remove Fan Guider Module.
Chapter 3
Fan Guider Module
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.
27
LVPS 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.
29
Photo Sensor Module
Color Wheel
Chapter 3
2.
Unscrew two screws to remove Axial Fan 90x25 Module.
Steamtight rubber
Axial Fan 90x25
Holder Bracket and Rubber Bottom
Chapter 3 30
3.
Unscrew two screws to remove 60x60x25 Lamp Fan.
4.
Pull two side outward to disassemble 60x60x25 Lamp Fan.
31
60x60x25 Lamp fan
Chapter 3
5.
Unscrew four screws to remove Engine Module from Bottom Cover.
Chapter 3
Bottom Cover
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.
Chapter 3
DMD Heatsink Module
DMD Heatsink Cover
45x45x9 Dish Fan
DMD Heatsink AL
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
35
DMD Seal rubber
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.
2.
Unscrew three screws to remove Blower Fan 50x20 Module.
Thermal Senor Board
37
Blower Fan 50x20 Module
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
I t e m
P D 7 2 3 / 7 2 5 P r o j e c t o r
V E S A V G A C a b l e / V E S A D V I t o D V I C a b l e
P C ( P e r s o n a l C o m p u t e r ) w i t h a n a l o g a n d d i g i t a l s i g n a l o u t p u t
D V D P l a y e r f o r V i d e o S i g n a l a n d A u d i o S i g n a l
P D 7 2 3 / 7 2 5 R e m o t e C o n t r o l
Chapter 4 40
Main Procedure
Power Troubleshooting
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.
41 Chapter 4
Performance Troubleshooting (Computer Signal)
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.)
Chapter 4 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)
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)
43 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
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.
45 Chapter 4
Remote Control Troubleshooting
A.
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.
Chapter 4 46
Function Test and Alignment Procedure
Equipment Needed
I t e m
1
2
3
4
5
D e s c r i p t i o n
I B M P C w i t h X G A r e s o l u t i o n ( C o l o r V i d e o S i g n a l & P a t t e r n G e n e r a t o r )
D V D p l a y e r
S E C A M ) w i t h c o m p o n e n t v i d e o ( Y , P b , P r ) a n d M u l t i s y s t e m ( N T S C / P A L /
H D T V T u n e r o r S o u r c e ( 4 8 0 i / p , 5 7 6 i / p , 7 2 0 p , 1 0 8 0 i )
M i n o l t a C L 1 0 0
Q u a n t u m D a t e 8 0 2 B o r C h o r m a 2 3 2 7
Test Condition
I t e m
1
2
3
4
5
6
7
8
D e s c r i p t i o n
C i r c u m s t a n c e B r i g h t n e s s :
1 .
)
2 .
)
D a r
C i r c k u r o o m m s t a n l e c s e s t h a n 1 0 b r i g h t n e s s l u x f o r o v e r t f u n c t i o n a l h a n 5 0 0 l i n s p e c t i o n .
u x f o r e x t e r n a l i n s p e c t i o n .
I n s p e c t i o n D i s t a n c e :
1 .
) A b o u t 2 .
2 5 m f o r f u n c t i o n a l i n s o n
2 .
) t h e
3 0 c s c m r e e f o r n s i z e t i e x t e r n a l ll 6 0 i n s p i n c e c h e s t i o n .
) p e c t i o n ( T h e p r o s e c t i o n d i s t a n c e h a s t o b a s e
S c r e e n S i z e : 6 0 i n c h e s d i a g o n a l ( w i d e )
E a c h P D 7 2 3 / 7 2 5 s h o u l d b e r u n i n f o r 2 h o u r s a f t e r r e p a i r .
E a c h P D 7 2 3 / 7 2 5 s h o u l d b e c o o il n g f o r 5 m i n u t e s a f t e r t h e r u n i n t e s t .
B e f o r e f u n c t i o n t e s t a n d
5
1 .
) m i n u t e s .
I n r o o m t e m p e r a t u r e a il g n m e n t , e a c h P D 7 2 3 / 7 2 5
2 .
) W i t h c y c l e d d i s p l a y c o l o r s ( R , G , B , W h i t e ) * N o t e s h o u l d b e w a r m e d u p f o r
T e s t D i s p l a y M o d e & P a t t e r n
F u n c t i o n T e s t a n d A il g n m e n t P r o c e d u r e
* 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 :
V G A
S V G A
S V G A
S V G A
S V G A
S V G A
X G A
X G A
X G A
X G A
X G A
X G A
C o m p a t i b i l i t y
V G A
V G A
V G A
V G A
V G A
V G A
V G A
V G A
S X G A
S X G A
S X G A
S X G A
S X G A
S X G A
S X G A
S X G A +
U X G A
M A C L C 1 3 "
M A C I I 1 3 "
M A C 1 6 "
R e s o l u t i o n
6 4 0 x 3 5 0
6 4 0 x 3 5 0
6 4 0 x 4 0 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
7 2 0 x 4 0 0
7 2 0 x 4 0 0
8 0 0 x 6 0 0
8 0 0 x 6 0 0
8 0 0 x 6 0 0
8 0 0 x 6 0 0
8 0 0 x 6 0 0
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 1 5 2 x 8 6 4
1 1 5 2 x 8 6 4
1 1 5 2 x 8 6 4
1 1 5 2 x 8 6 4
1 2 8 0 x 1 0 2 4
1 2 8 0 x 1 0 2 4
1 2 8 0 x 1 0 2 4
1 4 0 0 x 1 0 5 0
1 6 0 0 x 1 2 0 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
8 3 2 x 6 2 4
7 2
7 5
8 5
6 0
8 5
5 6
6 0
4 3 .
4
6 0
7 0
7 5
8 5
V S y n c ( H z )
7 0
8 5
8 5
6 0
7 2
7 5
8 5
7 0
8 5
6 0
7 5
8 5
7 0
7 0
7 5
6 0
6 0
6 6 .
6 6
6 6 .
6 8
7 4 .
5 5
3 7 .
9
3 5 .
2
3 7 .
9
4 8 .
1
4 6 .
9
5 3 .
7
4 8 .
4
3 5 .
5
4 8 .
4
5 6 .
5
6 0 .
0
6 8 .
7
H S y n c ( K H z )
3 1 .
5
3 7 .
9
3 7 .
9
3 1 .
5
3 7 .
9
3 7 .
5
4 3 .
3
3 1 .
5
6 3 .
8
6 3 .
8
6 7 .
5
7 7 .
1
6 3 .
9 8
7 9 .
9 8
9 1 .
1
6 3 .
9 8
7 5
3 4 .
9 8
3 5
4 9 .
7 2 5
Chapter 4 48
Analog :
C o m p a t i b i l i t y
M A C 1 9 "
M A C
M A C G 4
M A C G 4
M A C G 4 i M A C D V i M A C D V i M A C D V i M A C D V i M A C D V i M A C D V
R e s o l u t i o n
1 0 2 4 x 7 6 8
1 1 5 2 x 8 7 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
1 0 2 4 x 7 6 8
6 4 0 x 4 8 0
8 0 0 x 6 0 0
1 0 2 4 x 7 6 8
1 1 5 2 x 8 7 0
1 2 8 0 x 9 6 0
1 2 8 0 x 1 0 2 4
V S y n c ( H z )
7 5
7 5 .
0 6
6 0
1 2 0
1 2 0
1 1 7
9 5
7 5
7 5
7 5
8 5
H S y n c ( K H z )
6 0 .
2 4
6 8 .
6 8
3 1 .
3 5
6 8 .
0 3
9 7 .
0 9
6 0
6 0
6 0
6 8 .
4 9
7 5
9 1 .
1
49 Chapter 4
Digital :
C o m p a t i b i l i t y
S V G A
S V G A
X G A
X G A
X G A
X G A
S X G A
S X G A
S X G A
S X G A
S X G A
S X G A
S X G A +
U X G A
V G A
V G A
V G A
V G A
S V G A
S V G A
S V G A
V G A
V G A
V G A
V G A
V G A
R e s o l u t i o n
8 0 0 x 6 0 0
8 0 0 x 6 0 0
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 0 2 4 x 7 6 8
1 1 5 2 x 8 6 4
1 1 5 2 x 8 6 4
1 1 5 2 x 8 6 4
1 2 8 0 x 1 0 2 4
1 2 8 0 x 1 0 2 4
1 2 8 0 x 1 0 2 4
1 4 0 0 x 1 0 5 0
1 6 0 0 x 1 2 0 0
6 4 0 x 3 5 0
6 4 0 x 3 5 0
6 4 0 x 4 0 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
6 4 0 x 4 8 0
7 2 0 x 4 0 0
7 2 0 x 4 0 0
8 0 0 x 6 0 0
8 0 0 x 6 0 0
8 0 0 x 6 0 0
V S y n c ( H z )
7 5
8 5
7 0
7 5
8 5
7 5
8 5
6 0
7 0
6 0
7 5
8 5
6 0
6 0
7 5
8 5
7 0
8 5
5 6
6 0
7 2
7 0
8 5
8 5
6 0
7 2
H S y n c ( K H z )
6 7 .
5
7 7 .
1
6 3 .
9 8
7 9 .
9 8
9 1 .
1
6 3 .
9 8
7 5
4 6 .
9
5 3 .
7
4 8 .
4
5 6 .
5
6 0 .
0
6 8 .
7
6 3 .
8
3 7 .
5
4 3 .
3
3 1 .
5
3 7 .
9
3 5 .
2
3 7 .
9
4 8 .
1
3 1 .
5
3 7 .
9
3 7 .
9
3 1 .
5
3 7 .
9
Chapter 4 50
Function Test Display Pattern
PC Signal
I t e m
1
2
3
4
5
6
7
8
9
T e s t C o n t e n t P a t t e r n S p e c i f i c a t i o n R e m a r k
F
T r r e q u a c k i e n n g c y & F
M i n o i e r e
L i n e
E
R s il m i y n n a c , t e v i s
F r e q u u a e n l c w a v y y o r T n o i s e r a c k i b n g y s e l e c t i o n .
C o n t r a s t / B r i g h t n e s s
3 2 G r a y S c a l e /
6 4 R G B W s c a l e
G d i r s a t i y n l g e u v i e s a b n o r m a l l h s a h b l o u e i s s u e .
l d a n b e d w i t h o u t c o l o r
F
F
2 , i i g u g
3 u r r e e
1
R ,
S c r
G , e e
B n a n d
C o l o r
P e r f o r m a n c e
U n i f
W h i t e o r m i t y
R , G ,
W h i t e
B
F u ll W a n d
C o l o r h i t e
E a c h n o r m a i s s u e .
R , l
G w i t
, h
B o u t c o l o r c o l o r s h o u l d a b n o r b e m a l
S h o u l d b e c o m p il a n t w i t h
6 5 % .
( M i n i m u m )
Fi
Fi g u g u r r e e 7
D e a d p i x e l )
P i x e l ( B r i g h t
F u ll B l a c k
D e a d p i x e l )
P i x e l ( D a r k
B
B l l e e m m i i s s h h (
( B
D r a i g r k h
) t
F
F u u ll ll
G r a y
W h i t e
B l a c k
3 0
/
C a n n o t a c c e p t a n y b r i g h t p i x e l
T h b e e s n u m m a ll b e e r r s o r o f d e a d a m o u n t t p i x e l o 6 p i s h o u l d x e l .
F
F i i g u g u r e r e
8
7
T h e i f t h e d a r k p r o b l e m b l e m i a s h p p c a n n o t b e e a r w i t h B l a c u e c e p t
6 0 p a t t e r n .
F i g u r e
9
8 ,
F u ll
6 0 w h i t e / B l u e
T h e i f t h e d a r k p r o b l e m b l e m i a s h p p c a n n o t b e e a r w i t h B l a c u e c e p t
6 0 p a t t e r n .
F i g u r e
1 0
7 ,
F
B o o c u u n s d a r y
T
B
F e r o x a u t n m
P d e a a t r t e y r n
T h e c l e a r t e a s f t t e i n r t h a d e j u c o r n e r s t t h e f s h o c o u u s l d b e r i n g .
H o r z .
A n d V e r t .
p o s i t i o n o f v i d e o s h o u l d s c r e e n b e a d j u s t a b l e f r a m e .
t o b e t h e
F i g u r e
1 1
F
1 i
2 g u r e
51 Chapter 4
Chapter 4 52
53 Chapter 4
Video & Audio Signal
3
4
1
2
I t e m
5
T e s t C o n t e n t S p e c i f i c a t i o n
C o m p o s i t e V i d e o
S V i d e o
C o m p o n e n t V i d e o
H D T V
A u d i o
T h e i n p u t s i g n a l h a s t o d i s p l a y w i t h o u t c o l o r a b n o r m a l .
T h e i n p u t s i g n a l h a s t o d i s p l a y w i t h o u t c o l o r a b n o r m a l
T h e i n p u t s i g n a l h a s t o d i s p l a y w i t h o u t c o l o r a b n o r m a l .
T h e i n p u t s i g n a l h a s t o d i s p l a y w i t h o u t c o l o r a b n o r m a l .
T h s e l e e c a u d i o t i o n o f s h o u l d
O S D b e s h o o u t p u t u l d b e w i t h o u t f u n c t i o n n a o i s ll y .
e .
T h e a u d i o
Chapter 4 54
Inspection Procedure
N
1
2
3
4
5
C l o c k a n d C l o c k p h a s e
6 D e a d p i x e l ( B r i g h t p i x e l )
7 o .
E l e v a t o r
K e y p
( I n c l u d i n g
C o n t r o l )
F u n c t i o n
R , G , B c o n t r a s t a n d
S c r e e n
D e a d a d
I t e m
F u n c t i o n
R e m o t e w h i t e c o l o r
U n i f o r m i t y p i x e l ( D a r k p i x e l )
D e s c r i p t i o n
1 .
)
2 .
)
P l e a s e e l e v a t o r c h e i s c k w o r a n d k a s e n s u r e w e ll .
I f n o t , p l e a s e r e t u r n t h e u n t h i t e t o f u n c t i o n o f r e p a i r a r e a .
1 .
)
2 .
)
P l e a s e c h e c k a n d e n s u r e t h e k e y p a d
I f n o t , i s w o r k p l e a s e r e a s t u r n w e ll .
t h e u n i t t o c o n t r o l f u n c t i o n o f r e p a i r a r e a .
-
-
1
2
.
.
)
)
( b )
T e s t
T e s t
S i g n a l : 1 0 2 4
P a t t e r n : F i n e x
L i
7 6 8 n e
@ 7 5 H z
M o i r e P a t t e r n
C h e c k a n d s e e I f i m a g e s h a r p n e s s i n
I f w e n o t , ll p e r f o r m e d r e a d j u s t b y
.
f o ll o w i n g s t e p s .
a n d f o c u s
( a ) E n t e f u n c t i r o
I m a n t o g e a d
I , j u a n d s t t h e t h e n t o t s a l e l e c t p i x e l
F r e q u e n c y n u m b e r o f
T h e n p i x e l s e l e c l o c t c k p h a i n s e o n e f u n c il n e t i o n p e r i o d .
a n d u s e r i g h t o r l e f t b u t t o n t o f il c k e r .
a d j u s t t h e v a l u e t o m i n i m i z e v i d e o
-
-
1 .
)
2 .
)
T e s t
T e s t
S i
P g n a l : a t t e r
1 0 2 n : 6 4
4 x
R G
7 6 8
B W
@ 7 5 H z s c a l e p a t t e r n
P l n
I f o e a r n m o t s a
, e l a c h n e d c p l e a s e k r a n d e t u r n e n s u r e t h e u n i i f d i s t i n g u i s h a b l e .
t e t o a c h r e p c o a i r l o r a i r e s a .
-
-
1 .
)
2 .
)
T e s t S i g n a l : 1 0 2 4 x 7 6 8 @ 7 5 H z
T e
P l s t e a
P a t t e r n : F u s e c h e c k ll w h i t e a n d e n p a s u r e t t e r n t h e s p e c .
( 6 0 % M i n i m u m ) u n i t i s u n d e r t h e
I f n o t , p l e a s e r e t u r n t h e u n i t t o r e p a i r a r e a .
-
-
1 .
)
2 .
)
T
T e e
P l s s t t e a
S i
P s a e g n a l : t t e r c h e
1 0 c k
2 n : F u a ll
4 n b x d l a
7 c
6 e n k s
8 p a t t e r n u r
@ e
7 5 H z t h e u n i t i s u n d e r s p e c .
I f n o t ,
( C a n n o t p l e a s e a c c e r e t u r n p t t h a e n y u n b i t r t i g h t o r e p p i x e a i r l ) a r e a .
t h e
-
-
1 .
)
2 .
)
T e s t
T e s t
S i g n a l : 1 0 2 4
P a t t e r n : F u ll x 7 6 w h i t e
8 @ 7 5 p a t t e r n
H z
P l s p e a e c .
s e
( P c h e i x e l c k n u a n d m b e e r n s u r e s h o u l d t h e b e u n s i t m i s a ll u n d e r e r o r t h e a m
I f n o u o t , n t t o 6 p l e a s e p i x e l s ) r e t u r n t h e u n i t t o r e p a i r a r e a .
55 Chapter 4
N o .
I t e m
8 B l e m i s h ( B r i g h t )
1
1
1
1
1
1
9
0
1
2
3
4
5
B l e m i s h
F
B
V
H
A o o i d
D c u n u d
R e u s e
T i
V o
( D a r k ) d a r y o s e t A ll
D e s c r i p t i o n
-
-
1 .
)
2 .
)
T e s t
T e s t
S i g n a l : 1 0 2 4
P a t t e r n : F u ll x b l a
7 6 8 c k
@ a n d
7 5 H z
G r a y 3 0 p a t t e r n s
P l e s p e a c .
s e
( T c h h e e c b r k i g a n d h t b l e n s u r e e m i s h t h s h e o u u n i t l d i s n o t u n b e d e r a b l t h e e t o s e e
I f n o u t , n d e r G p l e a s e r a y r e t
3 0 u r n p a t t h e t e r u n ) n i t t o r e p a i r a r e a .
-
-
1 .
)
2 .
)
T e s t
T e s t
S i g n a l : 1 0 2 4
P a t t e r n : F u ll x w h
7 6 8 i t e
@ a n d
7 5 H z
B l u e 6 0 p a t t e r n s
P l e s p e a c .
s e
( T c h h e e c d k a r a k n d b l e n s u r e e m i s h t s h h e o u l u n d i t i n o t s b u n e d e r a b l e t h e t o s e e
I f n o u t , n d e r B p l e a s e l u e r e
6 0 t u r n p a t t e r n ) t h e u n i t t o r e p a i r a r e a .
-
-
1 .
)
2 .
)
T e s t S i g n a l : 1 0 2 4 x 7 6 8 @ 7 5 H z
T e s t P a t t e r n : T e x t p a t t e r n
P l e s p e a c .
s e
( T c h h e e c k t e x t a n d i n t h e n e s u r e c o r n e t h r e u n i t s h o u l d i s u b e n d e a b r l e t h e t o s e e
I f n o w t , i t h c l e a p l e a s e r ) r e t u r n t h e u n i t t o r e p a i r a r e a .
-
-
1 .
)
2 .
)
T e s t S i g n a l : 1 0 2 4 x 7 6 8 @ 7 5 H z
T
P e s l e t a
P a t t e s e c h r n : e c
B o u n k a n d d a r e n y s f r a m e u r e t h e p a t t e r n u n i t i s u n d e r t h e s p e c .
i m a g e
( T h e s h o h o u l d r i z o b e n t a l a d j a u s n d v t a b l e e r t t o i c a l b e p o s i t i o n t h e s c r e o f e n f r a m e .
)
I f n o t , p l e a s e r e t u r n t h e u n i t t o r e p a i r a r e a .
-
-
1 .
)
2 .
)
T e s t S i g n a l :
C o m p o n e n t
C o m p v i d e o o s i t e v i d e o , S V i d e o a n d
T e s t P a
P l e a s e t t e c h r n : N T S C e c k a n d
, P A L , S E C A M e n s u r e t h e u n i t c a n d i s p l a y t h e v i d e o i m a g e a b s i n o g n a l r m a l w i t h o u t c o l o r i s s u e .
I f n o t , p l e a s e r e t u r n t h e u n i t t o a b n o r m a l o r r e p a i r a r e a .
-
-
1 .
)
2 .
)
T e s t S i g n a l : H D T V s i g n a l
T e s t P a
P l e a s e t t e c h r n : 4 8 0 i / p e c k a n d
, 5 7 6 i / p , 7 2 0 p , 1 0 8 0 i e n s u r e t h e u n i t c a n d i s p l a y t h e H D T V i m a g e a b s n o i g n a r m a l l w i t h o u i s s u e .
t c o l o r
I f n o t , p l e a s e r e t u r n t h e u n i t t o a b n o r m a l o r r e p a i r a r e a .
1 .
)
2 .
)
P l e a s e c h e c k a n d e n s u r e t h e f u n c t i o n o f a u d i s
I f w o r k a s w n o t , p l e a s e e r ll .
e
( V o l u m e , T t u r n t h e u n i t r e b l e , B a t o r e p a i s s , M u t e ) r a r e a .
i o
A f t e r f i n a l Q C c h a n g e
P l e a s e a g a i n s e l e c t s t e p , w e a a n n d d h a v e t o e r a s e a ll s a v e d r e s t o r e e n t e r F a t h e f a c t o r y c t o r y
R e s e d t e f f a u l t s .
u n c t i o n o f
S e
T h i r s v i c e a c t i
M o o n d e w i ll t o a ll e n o s w u r e y o u t h e e r a f u n s e c a t i o n ll e i s n d w
u o r k s e r s a s s e t t i n g s a n d r e s t o r e t h e o r i g i n a l f a c t o r y s e t t i n g .
w e ll .
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
advertisement
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Related manuals
advertisement