Acer P7280 Manuale utente
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
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential
I
Parts P7270I P7270I Refresh P7280 P7280 Refresh
LAMP WARNING LABEL 35.88E01G002 35.88B04G002
THERMAL SWITCH 43.87Y01G001 43.89K01G001
DMD BLOWER N/A 49.89K01G001
COLOR WHEEL MOD-
ULE
70.87Y30GR01 70.89K24GR01 70.87Y30GR01 70.89K24GR01
ENGINE MODULE 70.87Y31GR01 70.89K16GR01
MAIN BD MODULE 70.87Y32GR01 70.87Y43GR01 70.89K17GR01 70.89K25GR01
I/O BD MODULE 70.87Y33GR01 70.89K18GR01
BOTTOM COVER MOD-
ULE
70.87Y35GR01 70.89K19GR01
BACK COVER MODULE 70.87Y37GR01 70.89K20GR01
TOP COVER MODULE 70.87Y38GR01 70.89K21GR01
LAMP DRIVER MODULE 70.87Y39GR01 70.87Y42GR01 70.89K22GR01
INTERLOCK SWITCH 75.87Y04G001 75.89K01G001
LAMP MODULE SP.87Y01GC01 SP.89K01GC01
LVPS 75.85H15G001 75.88B07G001
WIRELESS MODULE 75.87Y02G002 N/A
HANDY DRIVE 75.87Y15G002 N/A
EXTERNAL ANTENNA 75.87Y11G001 N/A
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential III
Preface
This manual is applied to P7280/P7270I/P7280 Refresh/P7270i Refresh projection system.
The manual gives you a brief description of basic technical information to help in service
and maintain the product.
Your customers will appreciate the quick response time when you immediately identify
problems that occur with our products. We expect your customers will appreciate the
service that you offer them.
This manual is for technicians and people who have an electronic background. Please
send the product back to the distributor for repairing and do not attempt to do anything that
is complex or is not mentioned in the troubleshooting.
Notice:The information found in this manual is subject to change without prior notice. Any
subsequent changes made to the data herein will be incorporated in future edition.
P7280/P7270I/P7280 Refresh/P7270i Refresh Service Manual
Copyright Oct.2008
All Rights Reserved
Manual Version 3.0
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential
IV
Table of Content
Chapter 1 Introduction
Highlight 1-1
Compatible Mode 1-4
Product Overview 1-9
Chapter 2 Disassembly Process
Equipment Needed & Product Overview 2-1
Disassemble Top Cover Module 2-2
Disassemble Lamp Module 2-4
Disassemble Wireless Module(only for P7270i/P7270I refresh)
2-5
Disassemble Top Shielding Module 2-7
Disassemble Zoom Ring and Focus Ring Module 2-10
Disassemble Back Cover Module 2-11
Disassemble Left and Right Cover Module 2-12
Disassemble Front Cover Module 2-13
Disassemble Front Shielding 2-14
Disassemble Main Board Module and I/O Board Module 2-15
Disassemble Shielding Module 2-17
Disassemble LVPS Module 2-19
Disassemble Fan Module 2-21
Disassemble Engine Module 2-22
Disassemble Color Wheel Module 2-24
Disassemble DMD Board and DMD Ship 2-25
Disassemble Lamp Blower Module 2-26
Disassemble ROD Blower Module 2-27
Disassemble ROD Duct Module 2-28
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential
V
Disassemble System Duct Module 2-29
Disassemble Lamp Driver Module 2-30
Disassemble Lamp Driver Holder (only for P7270I/P7270I refresh)
2-31
Disassemble Interrupt Switch Module 2-32
Disassemble Elevator Module 2-33
Rod Adjustment 2-34
Re-write Lamp Usage Hour 2-35
Assemble Elevator Module 2-36
Assemble Interrupt Switch Module 2-37
Assemble Lamp Driver Holder (only for P7270I/P7270I refresh)
2-37
Assemble Lamp Driver Module 2-38
Assemble System Duct Module 2-39
Assemble ROD Duct Module 2-40
Assemble ROD Blower Module 2-40
Assemble Lamp Blower Module 2-41
Assemble DMD Board and DMD Ship 2-41
Assemble Color Wheel Module 2-42
Assemble Thermal Switch 2-42
Assemble Engine Module 2-43
Assemble Fan Module 2-44
Assemble LVPS Module 2-45
Assemble Shielding Module 2-47
Assemble Main Board Module and I/O Board Module 2-49
Assemble Front Shielding Module 2-51
Assemble Front Cover Module 2-52
Assemble Left and Right Cover Module 2-53
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential
VI
Assemble Back Cover Module 2-54
Assemble Zoom Ring and Focus Ring Module 2-55
Assemble Top Shielding Module 2-55
Assemble Wireless Module (only for P7270i/P7280 Refresh) 2-58
Assemble Lamp Module 2-60
Assemble Top Cover Module 2-61
Chapter 3 Troubleshooting
LED Lighting Message 3-1
Main Procedure 3-2
Beep Sound 3-3
Chapter 4 Function Test & Alignment Procedure
Test Equipment Needed 4-1
Service Mode 4-1
OSD Reset 4-1
Test Condition 4-2
Test Inspection Procedure 4-3
PC Mode 4-3
Defectspecicationtable 4-7
Video Performance 4-7
Optical Performance Measure 4-9
Other 4-10
WLAN and LAN Signal Test(only for P7270I/P7270i Refresh)
4-13
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential
VII
Chapter 5 Firmware Upgrade
Equipment Needed 5-1
DLP Composer Lite Setup Procedure 5-2
USB Driver Upgrade Procedure 5-4
Firmware Upgrade Procedure 5-5
Waveform Download 5-8
Chapter 6 EDID Upgrade
EDID Introduction 6-1
Equipment Needed 6-2
Setup Procedure 6-3
EDID Key-In Procedure 6-3
Setup Procedure (HDMI) 6-7
Default Language Reset 6-10
Appendix A
Exploded Overview I
Appendix B
SerialNumberSystemDenition II
PCBACodeDenition III
Appendix C
RS232 function command summary table I
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential 1-1
Chapter 1
Introduction
1-1 Highlight
No Item Description
1Dimensions (WxDxH) - 403.6 (W) x 315.4(D) x 119.8(H) mm
2Weight - P7270i Refresh /P7270i : 12.2 lbs / 5.5 kg
- P7280 Refresh/P7280 : 12.4 lbs / 5.6 kg
3Cooling System
- Air Tunnel Flow
- Cooling fans with system optimized acoustic
- Temperature control circuits with adaptive fan rotational
speeds
- Maximum touch temperature follows UL60950-1
4Lamp housing
- Lamp assembly could be changed by customer himself,
but should read the user manual for instruction in
advance.
- Lamp assembly should be provided by Coretronic and
distribute through authorized agencies
5 DMD Chip - TI DMD 0.7” 12° LVDS XGA Digital Mirror Device (DC3)
6Number of active dots - 1024(H) x 768(V)
7 Power Supply
- Universal AC 100 – 240 V ~ 50-60 Hz with PFC input
- Variance FAN speed control (Depends on temperature
variant)
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential 1-2
No Item Description
8Power Consumption
- P7270i Refresh/P7270i (280W):
Normal mode: 400W+/-10%@110VAC
ECO mode: 330W+/-10%@110VAC
Standby< 5W (without wireless module)
Standby< 13W (with wireless module)
(Wireless module stand-by mode < 8W)
- P7280 Refresh /P7280 (330W):
Normal mode: 450W+/-10%@110VAC
ECO mode: 380W+/-10%@110VAC
Standby< 5W (without wireless module)
9 Input signal spec
- Hsync Frequency 31k-100k Hz
- Vsync Frequency 56 ~ 85 Hz
- Video Signal RGB (PC)
Analog RGB 0.7Vp-p, 75 ohm, Separate TTL H,V Sync
Analog RGB 1Vp-p, 75 ohm, Sync. On Green signal
Analog RGB 0.7Vp-p, 75 ohm, Composite TTL Sync.
- Video
Composite video 1Vp-p,75 ohm
S-video Luminance 0.714Vp-p, 75 ohm
S-video Chrominance 0.286Vp-p, 75 ohm
Component video 1Vp-p, 75 ohm
10 Video Compatibility
- Standards :
NTSC: M (3.58MHz), 4.43 MHz
PAL: B, D, G, H, I, M, N
SECAM: B, D, G, K, K1, L
HDTV: 720p, 1080i, 1080p
EDTV: 480p, 576p
SDTV: 480i, 576i
11 Audio
- Two 8-Ohm internal speakers
- 3 Watts ( driver 2W)
- Input sensitivity 0.5Vrms
12 Lamp
- 280W for OSRAM E20.6 Lamp @ normal operation (for
P7270i Refresh/ P7270i)
- 330W for Philips Lamp @ normal operation (for P7280 Re
fresh / P7280)
13 Throw Distance - 1.5m – 10m
P7280/P7270I/P7280 Refresh/P7270I Refresh Condential 1-3
No Item Description
14 Throw Ratio - 1.57 – 1.89 : 1 @ 60”
15 Brightness
Engineering spec:
- P7270i Refresh/ P7270i (280W):
Typical: 3420 lumens
Minimum: 3040 lumens
(Compliance with IS021118 criteria)
- P7280 Refresh / P7280 (330W):
Typical: 4050 lumens
Minimum: 3600 lumens
(Compliance with IS021118 criteria)
Marketing spec:
- 3800 lumens
- 4500 lumens
16 Contrast
Engineering spec:
- 2100 : 1 Full White and Black (Typical)
- 1500 : 1 Full White and Black (Minimum)
Marketing spec:
- 2200:1 (Typical)
- 2037 (Minimum)
17 Uniformity
Engineering spec:
- 60% Japan standard (Minimum)
- 80% Japan standard (Typical)
Marketing spec:
- >85% (Typical)
- >75% (Minimum)
18 Color Wheel
- Six segments: R90B82W42C28G90Y28
- 7200 rpm @ CW 2X
- 9000 rpm @ CW 3X, PAL 50Hz (for P7270I Refresh /P7280
Refresh)
19 Operation temperature
- for 0 -- 2500 ft, 5 -- 35 °C
- for 2500 -- 5000 ft, 5 -- 30 °C
- for 5000 -- 10000 ft, 5 -- 25 °C
20 Storage temperature - -20°C - 60°C
21 Lamp life - 2000 hours min, 50% survival rate (Normal mode)
- 2500 hours min, 50% survival rate (Eco mode)
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