SERVICE MANUAL
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290
Date |
Revise Version |
Description |
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2008.1.24 |
V1.0 |
Initial Issue |
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2008.6.30 |
V2.0 |
Add P7280 Refresh/P7270i Refresh |
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Add Waveform Download in Chapter 5, add Defaul |
2008.10.10 |
V3.0 |
Language in Chapter 6, and modify Chapter 4 and |
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Appnendix B |
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1. Add the “Universal Password Failure” in Chapter 3 |
2009.05.05 |
V4.0 |
2. Revise FW Upgrade Procedure’s method in Chapter 5 |
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3. Modify the title of 6-6 in Chapter 6 |
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2009.07.31 |
V5.0 |
Add P7290 model |
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Copyright July, 2009 All Rights Reserved P/N: 36.89K01G001
SI : |
TSE: |
Check: |
Approved: |
Preface
This manual is applied to P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 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/P7290 Service Manual
Copyright July, 2009
All Rights Reserved
Manual Version 5.0
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
i |
P7270I/P7280/P7270I Refresh/P7280 Refresh/P7290
Comparison List
Parts |
P7270I |
P7270I Refresh |
P7280 |
P7280 Refresh |
P7290 |
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LAMP |
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WARNING |
35.88E01G002 |
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35.88B04G002 |
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LABEL |
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THERMAL |
43.87Y01G001 |
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43.89K01G001 |
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SWITCH |
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DMD |
N/A |
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49.89K01G001 |
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BLOWER |
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COLOR |
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WHEEL |
70.87Y30GR01 |
70.89K24GR01 |
70.87Y30GR01 |
70.89K24GR01 |
70.8FA16GR01 |
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MODULE |
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ENGINE |
70.87Y31GR01 |
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70.89K16GR01 |
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MODULE |
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MAIN BD |
70.87Y32GR01 |
70.87Y43GR01 |
70.89K17GR01 |
70.89K25GR01 |
70.8FA19GR01 |
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MODULE |
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I/O BD |
70.87Y33GR01 |
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70.89K18GR01 |
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MODULE |
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BOTTOM |
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COVER |
70.87Y35GR01 |
70.89K19GR01 |
70.8FA18GR01 |
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MODULE |
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BACK |
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COVER |
70.87Y37GR01 |
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70.89K20GR01 |
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MODULE |
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TOP |
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COVER |
70.87Y38GR01 |
70.89K21GR01 |
70.8FA15GR01 |
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MODULE |
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LAMP |
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DRIVER |
70.87Y39GR01 |
70.87Y42GR01 |
70.89K22GR01 |
70.8FA17GR01 |
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MODULE |
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INTER- |
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LOCK |
75.87Y04G001 |
75.89K01G001 |
75.8FA03G001 |
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SWITCH |
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LAMP |
SP.87Y01GC01 |
SP.89K01GC01 |
SP.8FA01GC01 |
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MODULE |
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LVPS |
75.85H15G001 |
75.88B07G001 |
75.8FA01GP01 |
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WIRELESS |
75.87Y02G002 |
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N/A |
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MODULE |
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HANDY |
75.87Y15G002 |
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N/A |
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DRIVE |
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EXTERNAL |
75.87Y11G001 |
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N/A |
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ANTENNA |
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LAMP |
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49.87C01G001 |
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49.8EA01G001 |
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BLOWER |
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
ii |
Table of Content
Chapter 1 Introduction |
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Highlight |
1-1 |
Compatible Mode |
1-5 |
Product Overview |
1-9 |
Chapter 2 Disassembly Process |
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Equipment Needed & Product Overview |
2-1 |
Disassemble Top Cover Module |
2-2 |
Disassemble Lamp Module |
2-4 |
Disassemble Wireless Module (only for P7270I/P7270I |
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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 Chip |
2-25 |
Disassemble Lamp Blower Module |
2-26 |
Disassemble ROD Blower Module |
2-27 |
Disassemble ROD Duct Module |
2-28 |
Disassemble System Duct Module |
2-29 |
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
iii |
Disassemble Lamp Driver Module |
2-30 |
Disassemble Lamp Driver Holder (only for P7270I/ |
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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/ |
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P7270I Refresh) |
2-37 |
Assemble Lamp Driver Module |
2-38 |
Assemble System Duct Module |
2-39 |
Assemble ROD Duct |
2-40 |
Assemble ROD Blower Module |
2-40 |
Assemble Lamp Blower Module |
2-41 |
Assemble DMD Board and DMD Chip |
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 |
2-51 |
Assemble Front Cover Module |
2-52 |
Assemble Left and Right Cover Module |
2-53 |
Assemble Back Cover Module |
2-54 |
Assemble Zoom Ring and Focus Ring Module |
2-55 |
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
iv |
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Assemble Top Shielding Module |
2-56 |
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Assemble Wireless Module (only for P7270I/P7270I Refresh)2-58 |
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Assemble Lamp Module |
2-60 |
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Assemble Top Cover Module |
2-61 |
Chapter 3 |
Troubleshooting |
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LED Lighting Message |
3-1 |
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Main Procedure |
3-2 |
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Beep Sound |
3-6 |
Chapter 4 Function Test & Alignment Procedure |
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Test Equipment Needed |
4-1 |
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Service Mode |
4-1 |
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OSD Reset |
4-1 |
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Test Condition |
4-2 |
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Test Inspection Procedure |
4-3 |
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PC Mode |
4-4 |
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Video Performance |
4-7 |
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Optical Performance Measure |
4-8 |
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Others |
4-10 |
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WLAN and LAN Signal Test(only for P7270I/P7270I Refresh) 4-11 |
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Chapter 5 |
Firmware Upgrade |
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Equipment Needed |
5-1 |
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DLP Composer Lite Setup Procedure |
5-2 |
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USB Driver Upgrade Procedure |
5-4 |
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Firmware Upgrade Procedure |
5-5 |
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Waveform Download (for P7280 Refresh/P7270I Refresh |
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/P7290) |
5-8 |
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
v |
Chapter 6 EDID Upgrade |
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EDID Introduction |
6-1 |
Equipment Needed |
6-2 |
Setup Procedure (VGA1, VGA2, DVI) |
6-3 |
EDID Key-In Procedure |
6-4 |
Setup Procedure (HDMI) |
6-7 |
Un-lock SNID and Default Language Reset |
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(for P7280 Refresh/P7270I Refresh/P7290) |
6-10 |
Appendix A |
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Exploded Overview |
I |
Appendix B |
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Serial Number System Definition |
I |
PCBA Code Definition |
II |
Appendix C |
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RS232 function command summary table |
I |
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
vi |
Chapter 1
Introduction
1-1 Highlight
No |
Item |
Description |
1Dimensions (W x D x H) ● 403.6 (W) x 315.4 (D) x 119.8 (H) mm
●P7270I Refresh/P7270I/P7290: 12.2 lbs/5.5 kg
2Weight
●P7280 Refresh/P7280: 12.4 lbs/5.6 kg
●Air Tunnel Flow
●Cooling fans with system optimized acoustic
3 |
Cooling System |
● Temperature control circuits with adaptive fan rotational |
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speeds |
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● Maximum touch temperature follows UL60950-1 |
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● Lamp assembly could be changed by customer himself, |
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4 |
Lamp Housing |
but should read the user manual for instruction in advance. |
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● Lamp assembly should be provided by Coretronic and |
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distribute through authorized agencies |
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5 |
DMD Chip |
● TI DMD 0.7" 12° LVDS XGA Digital Mirror Device (DC3) |
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6 |
Number of active dots |
● 1024 (H) x 768 (V) |
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● Universal AC 100 – 240 V ~ 50-60 Hz with PFC input |
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7 |
Power Supply |
● Variance FAN speed control (Depends on temperature |
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variant) |
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● P7270I Refresh/P7270I (280W): |
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Normal mode: 400W+/-10%@110VAC |
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ECO mode: 330W+/-10%@110VAC |
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Standby< 5W (without wireless module) |
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Standby< 13W (with wireless module) |
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(Wireless module stand-by mode < 8W) |
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8 |
Power Consumption |
● P7280 Refresh/P7280 (330W): |
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Normal mode: 450W+/-10%@110VAC |
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ECO mode: 380W+/-10%@110VAC |
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Standby< 5W (without wireless module) |
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● P7290: |
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Normal mode: 460W (without wireless module)@110Vac |
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ECO mode: 385W (without wireless module)@110Vac |
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Standby < 1W (without wireless module) |
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-1 |
No |
Item |
Description |
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● Hsync Frequency 30 k~ 100 kHz |
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● Vsync Frequency 56~ 85 Hz (for P7280/P7270I/ |
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P7280 Refresh/P7270I Refresh) |
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● Vsync Frequency 50~ 85 Hz (for P7290) |
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● Video Signal RGB (PC) |
9 |
Input signal spec |
Analog RGB 0.7Vp-p, 75 ohm, Separate TTL H,V Sync |
Analog RGB 1Vp-p, 75 ohm, Sync. On Green signal |
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Analog RGB 0.7Vp-p, 75 ohm, Composite TTL Sync. |
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● Video |
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Composite video 1Vp-p,75 ohm |
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S-video Luminance 0.714Vp-p, 75 ohm |
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S-video Chrominance 0.286Vp-p, 75 ohm |
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Component video 1Vp-p, 75 ohm |
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● Standards : |
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NTSC: M (3.58MHz), 4.43 MHz |
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PAL: B, D, G, H, I, M, N |
10 |
Video Compatibility |
SECAM: B, D, G, K, K1, L |
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HDTV: 720p, 1080i, 1080p |
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EDTV: 480p, 576p |
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SDTV: 480i, 576i |
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● Two 8-Ohm internal speakers |
11 |
Audio |
● 3 Watts |
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● Input sensitivity 0.5Vrms |
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● 280W for OSRAM E20.6 Lamp @normal operation |
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(for P7270I Refresh/P7270I) |
12 |
Lamp |
● 330W for Philips Lamp @normal operation |
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(for P7280 Refresh/P7280) |
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● 350W for Philips Lamp @normal operation (for P7290) |
13 |
Throw Distance |
● 1.5m~ 10m |
14 |
Throw Ratio |
● 1.57~ 1.89: 1 @ 60” |
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-2 |
No |
Item |
Description |
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● Engineering spec: |
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• For P7270I Refresh/P7270I (280W): |
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Typical: 3420 lumens |
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Minimum: 3040 lumens |
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(Compliance with IS021118 criteria) |
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• For P7280 Refresh/P7280 (330W): |
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Typical: 4050 lumens |
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Minimum: 3600 lumens |
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15 |
Brightness |
(Compliance with IS021118 criteria) |
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• For P7290 (350W) |
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Typical 4500 ANSI Lumens |
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Minimum 4000 ANSI Lumens |
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(Compliance with ISO21118 brightness criteria) |
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● Marketing spec: |
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• 3800 lumens (for P7270I Refresh/P7270I) |
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• 4500 lumens (for P7280 Refresh/P7280) |
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• 5000 lumens (for P7290) |
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● Engineering spec: |
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• For P7280/P7270I/P7280 Refresh/ P7270I Refresh: |
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2100 : 1 Full White and Black (Typical) |
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1500 : 1 Full White and Black (Minimum) |
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16 |
Contrast |
• For P7290: |
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2700 : 1 Full White and Black (Typical) |
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1900 : 1 Full White and Black (Minimum) |
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● Marketing spec: |
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• 2200:1 (P7280/P7270I/P7280 Refresh/ P7270I Refresh) |
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• 3150:1 (for P7290) |
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● Engineering spec: |
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• 60% Japan standard (Minimum) (for P7280/P7270I/P7280 |
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Refresh/ P7270I Refresh |
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17 |
Uniformity |
• 65% Japan standard (Minimum) (for P7290) |
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• 80% Japan standard (Typical) |
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● Marketing spec: |
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• >85% |
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-3 |
No |
Item |
Description |
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● Six segments |
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● 7200 rpm @ CW 2X |
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● 9000 rpm @ CW 3X, PAL 50Hz (for P7270I Refresh/P7280 |
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18 |
Color Wheel |
Refresh/P7290) |
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● Segment Angle: R90B82W42C28G90Y28 |
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(for P7280/P7270I/P7280Refresh/P7270I Refresh) |
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● Segment Angle: R81Y41G84C31W52B71 (for P7290) |
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● for 0~ 2500 ft, 5~ 35 °C |
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19 |
Operation temperature |
● for 2500~ 5000 ft, 5~ 30 °C |
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● for 5000~ 10000 ft, 5~ 25 °C |
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20 |
Storage temperature |
● -20°C~ 60°C |
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● 2000 hours min, 50% survival rate (Normal mode) |
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21 |
Lamp life |
(for P7280/ P7270I/P7280 Refresh/ P7270I Refresh) |
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1500 hours min, 50% survival rate (Normal mode) (for P7290) |
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● 2500 hours min, 50% survival rate (Eco mode) |
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P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-4 |
1-2 Compatible Mode
A.VGA Analog
1.VGA Analog - PC Signal
Compatibility |
Resolution |
V-Sync [Hz] |
H-Sync [KHz] |
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640x480 |
60 |
31.50 |
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640x480 |
72 |
37.90 |
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VGA |
640x480 |
75 |
37.50 |
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640x480 |
85 |
43.30 |
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720x400 |
70 |
31.50 |
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720x400 |
85 |
37.90 |
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800x600 |
56 |
35.10 |
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800x600 |
60 |
37.90 |
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SVGA |
800x600 |
72 |
48.10 |
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800x600 |
75 |
46.90 |
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800x600 |
85 |
53.70 |
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832x624 |
75 |
49.73 |
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1024x768 |
60 |
48.40 |
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XGA |
1024x768 |
70 |
56.50 |
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1024x768 |
75 |
60.00 |
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1024x768 |
85 |
68.70 |
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1152x864 |
70 |
63.80 |
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1152x864 |
75 |
67.50 |
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1152x864 |
85 |
77.10 |
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SXGA |
1280X1024 |
60 |
63.98 |
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1280X1024 |
72 |
76.97 |
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1280X1024 |
75 |
79.98 |
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1280X1024 |
85 |
91.10 |
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QuadVGA |
1280x960 |
60 |
60.00 |
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1280x960 |
75 |
75.23 |
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SXGA+ |
1400x1050 |
60 |
65.30 |
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UXGA |
1600x1200 |
60 |
75.00 |
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640x480 |
66.6(67) |
34.93 |
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800x600 |
60 |
37.90 |
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Power Mac G4 |
1024x768 |
60 |
48.40 |
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1152x870 |
75 |
68.68 |
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1280x960 |
75 |
75.00 |
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-5 |
Compatibility |
Resolution |
V-Sync [Hz] |
H-Sync [KHz] |
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640x480 |
60 |
31.35 |
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640x480 |
66.6(67) |
34.93 |
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PowerBook G4 |
800x600 |
60 |
37.90 |
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1024x768 |
60 |
48.40 |
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1152x870 |
75 |
68.68 |
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1280x960 |
75 |
75.00 |
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i Mac DV (G3) |
1024x768 |
75 |
60.00 |
2. VGA Analog - Extended Wide timing
Compatibility |
Resolution |
V-Sync [Hz] |
H-Sync [KHz] |
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1280x768 |
60 |
47.80 |
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1280x768 |
75 |
60.30 |
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1280x768 |
85 |
68.60 |
WXGA |
1280x720 |
60 |
44.77 |
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1280x800 |
60 |
49.64 |
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1440x900 |
60 |
59.90 |
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1680x1050 |
60 |
65.29 |
B.DVI Digital
1.DVI - PC Signal
|
Compatibility |
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Resolution |
V-Sync [Hz] |
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H-Sync [KHz] |
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640x480 |
60 |
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31.50 |
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640x480 |
72 |
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37.90 |
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VGA |
|
640x480 |
75 |
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37.50 |
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640x480 |
85 |
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43.30 |
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720x400 |
70 |
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31.50 |
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720x400 |
85 |
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37.90 |
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800x600 |
56 |
|
35.10 |
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800x600 |
60 |
|
37.90 |
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SVGA |
|
800x600 |
72 |
|
48.10 |
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800x600 |
75 |
|
46.90 |
|
|
|
|
|
|
|
|||
|
|
|
800x600 |
85 |
|
53.70 |
|
|
|
|
832x624 |
75 |
|
49.73 |
|
|
|
|
|
|
|
|
|
|
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-6 |
Compatibility |
Resolution |
V-Sync [Hz] |
H-Sync [KHz] |
|
|
1024x768 |
60 |
48.40 |
|
XGA |
1024x768 |
70 |
56.50 |
|
1024x768 |
75 |
60.00 |
||
|
||||
|
1024x768 |
85 |
68.70 |
|
|
1152x864 |
70 |
63.80 |
|
|
1152x864 |
75 |
67.50 |
|
|
1152x864 |
85 |
77.10 |
|
SXGA |
1280x1024 |
60 |
63.98 |
|
|
1280x1024 |
72 |
76.97 |
|
|
1280x1024 |
75 |
79.98 |
|
|
1280x1024 |
85 |
91.10 |
|
QuadVGA |
1280x960 |
60 |
60.00 |
|
1280x960 |
75 |
75.23 |
||
|
||||
SXGA+ |
1400x1050 |
60 |
65.30 |
|
UXGA |
1600x1200 |
60 |
75.00 |
|
|
640x480 |
66.6(67) |
34.93 |
|
|
800x600 |
60 |
37.90 |
|
Power Mac G4 |
1024x768 |
60 |
48.40 |
|
|
1152x870 |
75 |
68.68 |
|
|
1280x960 |
75 |
75.00 |
|
|
640x480 |
60 |
31.35 |
|
|
640x480 |
66.6(67) |
34.93 |
|
PowerBook G4 |
800x600 |
60 |
37.90 |
|
1024x768 |
60 |
48.40 |
||
|
||||
|
1152x870 |
75 |
68.68 |
|
|
1280x960 |
75 |
75.00 |
|
i Mac DV (G3) |
1024x768 |
75 |
60.00 |
2. DVI - Extended Wide timing
Compatibility |
Resolution |
V-Sync [Hz] |
H-Sync [KHz] |
|
1280x768 |
60 |
47.80 |
|
1280x768 |
75 |
60.30 |
|
1280x768 |
85 |
68.60 |
WXGA |
1280x720 |
60 |
44.77 |
|
1280x800 |
60 |
49.64 |
|
1440x900 |
60 |
59.90 |
|
1680x1050 |
60 |
65.29 |
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-7 |
3. DVI - Video Signal
Compatibility |
Resolution |
V-Sync [Hz] |
H-Sync [KHz] |
For TWN/USA SKU |
|
|
|
480i (NTSC) |
720x480(1440x480) |
59.94(29.97) |
15.734 |
480p (NTSC) |
720x480 |
59.94 |
31.469 |
720p (NTSC) |
1280x720 |
60 |
44.955 |
1080i (NTSC) |
1920x1080 |
60(30) |
33.716 |
1080p (NTSC) |
1920x1080 |
60 |
67.432 |
For EMEA SKU |
|
|
|
576i (PAL) |
720x576(1440x576) |
50(25) |
15.625 |
576p (PAL) |
720x576 |
50 |
31.25 |
720p (PAL) |
1280x720 |
50 |
37.5 |
1080i (PAL) |
1920x1080 |
50 |
28.125 |
1080p (PAL) |
1920x1080 |
50 |
56.25 |
C.HDMI -Digital
1.HDMI - PC Signal and Extended Wide timing: Support above DVI digital timing format.
2.HDMI - Video Signal
Compatibility |
Resolution |
V-Sync [Hz] |
|
H-Sync [KHz] |
For TWN/USA SKU |
|
|
|
|
480i (NTSC) |
720x480(1440x480) |
59.94(29.97) |
|
15.734 |
480p (NTSC) |
720x480 |
59.94 |
|
31.469 |
720p (NTSC) |
1280x720 |
60 |
|
44.955 |
1080i (NTSC) |
1920x1080 |
60(30) |
|
33.716 |
1080p (NTSC) |
1920x1080 |
60 |
|
67.432 |
For EMEA SKU |
|
|
|
|
576i (PAL) |
720x576(1440x576) |
50(25) |
|
15.625 |
576p (PAL) |
720x576 |
50 |
|
31.25 |
720p (PAL) |
1280x720 |
50 |
|
37.5 |
1080i (PAL) |
1920x1080 |
50 |
|
28.125 |
1080p (PAL) |
1920x1080 |
50 |
|
56.25 |
Horizontal scan rate: |
|
31k -100 kHz |
||
Vertical scan rate: |
|
|
56k - 85 Hz |
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-8 |
1-3 Product Overview
Projector Outlook
Front /Upper side
Item |
Description |
Item |
Description |
1 |
Control panel |
6 |
Remote control receiver |
2 |
Zoom ring |
7 |
Tilt adjusting wheel |
3 |
Focus ring |
8 |
Elevator button |
4 |
Zoom lens |
9 |
Elevator foot |
5Lens cap
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-9 |
Rear side
Item |
Description |
Item |
Description |
|
1 |
PC analog signal/HDTV/component |
13 |
VGA IN 1/DVID/HDMI with PC signal |
|
video input connector (VGA IN 2) |
||||
|
|
|
||
2 |
PC analog signal/HDTV/component |
14 |
USB connector |
|
video input connector (VGA IN 1) |
||||
|
|
|
||
3 |
DVI input connector (for digit signal) |
15 |
RS232 connector |
|
4 |
HDMI connector |
16 |
Audio output connector |
|
5 |
Top cover release button |
17 |
SPDIF output connector |
|
6 |
KensingtonTM lock port |
18 |
Power socket |
|
7 |
Horn |
19(#) |
Wired IR remote input connector |
|
8 |
YPbPr/YCbCr input connector |
20(#) |
Antenna |
|
9 |
Monitor loop-through output |
21(#) |
Lan (RJ45 Port for 10/100M Ethernet) |
|
connector (VGA-Out) |
||||
|
|
|
||
10 |
S-Video input connector |
22(#) |
Audio output connector for wireless |
|
11 |
Composite video input connector |
23(#) |
Reset button |
|
12 |
Audio input connector (VGA IN 2/ |
24(#) |
Power LED for wireless |
|
Component/S-video/Composite signal) |
||||
|
|
|
Note: “#” Only for P7270i series.
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-10 |
Control Panel
Item |
Function |
|
Description |
|
1 |
RESYNC |
Automatically synchronizes the projector to the |
||
input source. |
|
|||
|
|
|
||
|
|
• Press “MENU” to launch the Onscreen display (OSD) |
||
2 |
MENU |
menu, back to the previous step for the OSD menu |
||
operation or exit the OSD menu. |
||||
|
|
|||
|
|
• Confirm your selection of items. |
||
3 |
TEMP |
Temp Indicator LED |
||
4 |
LAMP |
Lamp Indicator LED |
||
5 |
Four directional select |
Use |
to select items or make adjustments to |
|
keys |
your selection. |
|
||
|
|
|||
6 |
SOURCE |
Press “SOURCE” to choose RGB, Component, SVideo, |
||
Composite, DVI, HDTV and HDMI™ sources. |
||||
|
|
|||
7 |
Empowering key |
Unique Acer functions: eOpening, eView, eTimer. ePower |
||
8 |
Infrared transmitter |
Sends signals to the projector. |
||
|
|
|
||
9 |
POWER |
See the contents in “Turning the Projector On Off” section. |
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-11 |
Remote Control Layout
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-12 |
Item |
Icon |
Function |
Description |
1 |
|
Infrared |
Sends signals to the projector. |
|
transmitter |
||
|
|
|
|
2 (#) |
|
Laser pointer |
Aim the remote at the viewing screen |
3 |
|
POWER |
Refer to the “Turning the Projector On/Off” sec |
|
|
|
|
4 |
|
RESYNC |
Automatically synchronizes the projector to the input source. |
5 |
|
FREEZE |
To pause the screen image. |
6 |
|
ASPECT RATIO |
To choose the desired aspect ratio (Auto/4:3/16:9). |
7 |
|
ZOOM |
Zooms the projector display in or out. |
|
|
|
Left-/right-click buttons are on the left and right, respectively; |
8 |
|
MOUSE Left/ |
the center button works as a multidirectional pointer stick. To |
|
Right Click |
enable this function, an USB cable must be connected to |
|
|
|
||
|
|
|
projector from your PC. |
9 |
|
VOLUME |
Increases/decreases the volume. |
10 (#) |
|
|
Aim the remote at the viewing screen, press and hold this |
|
Laser button |
button to activate the laser pointer. |
|
|
|
|
This function is not supported in Japanese market. |
|
|
|
Press “SOURCE” to choose from RGB, Component-p, |
11 |
|
SOURCE |
Component-i, S-Video, Composite, DVI-D, Video and HDTV |
|
|
|
sources. |
12 |
|
HIDE |
Momentarily turns off the video. Press “HIDE” to hide the |
|
image, press again to display the image. |
||
|
|
|
|
13 |
|
MUTE |
To turn on/off the volume. |
|
|
|
• Press “MENU” to launch the Onscreen display (OSD) menu, |
14 |
|
MENU |
back to the previous step for the OSD menu operation or |
|
exit the OSD menu. |
||
|
|
|
|
|
|
|
• Confirm your selection of items. |
|
|
Four directional |
Use up, down, left, right buttons to select items or make |
15 |
|
select keys |
adjustments to your selection. |
|
KEYSTONE |
Adjusts the image to compensate for distortion caused by |
|
|
|
||
|
|
tilting the projector. |
|
|
|
|
|
16 |
|
LOCATION |
Choose the menu location on the display screen. |
|
|
|
For computer mode only. Use this button to select the next or |
17 |
|
PAGE |
previous page. This function is only available when con- |
|
nected |
||
|
|
|
|
|
|
|
to a computer via a USB cable. |
18 |
|
Empowering |
Unique Acer functions: eOpening, eView, eTimer |
|
key |
Management. |
|
|
|
||
19 |
|
COLOR |
Press “COLOR” to adjust the color temperature of image. |
20 |
|
CONTRAST |
Use the “CONTRAST” option to control the difference |
|
between the lightest and darkest parts of the picture. |
||
|
|
|
|
21 |
|
VIDEO |
To change source to COMPOSITE VIDEO. |
22 |
|
S-VIDEO |
To change source to S-Video. |
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-13 |
Item |
Icon |
Function |
Description |
|
|
|
Press “PIP” to see two screens at the same time. The main |
23 |
|
PIP |
screen projection signal uses VGA input by default while the |
|
|
|
smaller PIP display uses a secondary video source. |
|
|
|
Press “WIRELESS” to display the image which is wirelessly |
24 (*) |
|
WIRELESS |
transmitted from the PC to the projector via the “Acer |
|
|
|
eProjection Management” utility. (for wireless model) |
25 |
|
BRIGHTNESS |
Press “BRIGHTNESS” to adjust the brightness of the image. |
26 |
|
RGB |
Press “RGB” for true-color optimization. |
|
|
|
Press “COMPONENT” to change source to Component |
27 |
|
COMPONENT |
video. |
|
This connection supports YPbPr (480p/576p/720p/1080i) and |
||
|
|
|
|
|
|
|
YCbCr (480i/576i). |
|
|
|
Press “VGA” to change source to the VGA connector. This |
28 |
|
VGA |
connector supports analog RGB, YPbPr (480p/576p/720p/ |
|
|
|
1080i), YCbCr (480i/576i) and RGBsync. |
|
|
|
Press “DVI” to change source to DVI. This connection sup- |
29 |
|
DVI |
ports digital RGB, analog RGB, YPbPr (480p/576p/720p/ |
|
|
|
1080i), YCbCr (480i/576i) and HDCP signals. |
30 |
|
HDMI™ |
To change source to HDMI™. |
31 |
|
KeyPad 0~9 |
Press “0~9” to input a password in the “Security settings”. |
Note: “*” Only for P7270i series.
“#” Japan area is not supported.
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-14 |
Connecting the Projector
Item |
Description |
Item |
Description |
1 |
Power cord |
8 |
DVI cable |
2 |
VGA cable |
9 |
HDMI cable |
3 |
Composite video cable |
10 |
3 RCA component cable |
4 |
USB cable |
11 |
RS232 cable |
5 |
VGA to component/HDTV adapter |
12 |
Audio cable Jack/RCA |
6 |
S-Video cable |
13 |
SPDIF cable |
7 |
Audio cable jack/jack |
14 |
Audio cable Jack for wired remote |
Note: To ensure the projector works well with your computer,please make sure the timing of the display mode is compatible with the projector.
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-15 |
Connecting the Projector for Wireless
Item |
Description |
Item |
Description |
1 |
Power cord |
3 |
Lan cable |
2 |
Audio cable jack |
4 |
Antenna |
Note: Only for P7270i
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-16 |
System Block Diagram (for P7270I/P7270I Refresh)
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-17 |
Bottom Cover Dimension
140.00 mm
M3,DEPTH:8mm
82.30 mm
SCALE 1:2
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
1-18 |
Chapter 2
Disassembly & Assembly Process
2-1 Equipment Needed & Product Overview
1.Screw Bit (+) :107
2.Hex Sleeves 5mm
3.Long Nose Nipper
4.Screw Bit (+) :102
5.Hex Sleeves 7mm
6.Tweezers
7.Projector
*Before you start: This process is protective level II. Operators should wear electrostatic chains.
*Note: 1. If you need to replace the main board, you have to get into service mode and record the lamp usage hour. please refer to section 2-27.
2.The disassembly and assembly process for P7280/P7270I/P72780 Refresh/P7270I Refresh /P7290 is the same. Here, we take P7270i as an example.
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
2- |
2-2 Disassemble Top Cover
Module
1.Rotate the Top Cover Lock counterclockwise (as red arrow).
2.Pull up the Top Cover (as yellow arrow).
3.Unscrew 4 screws and disassemble the
Top Cover Module (as yellow circle).
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
2-2 |
4.Unscrew 2 screws (as red circle) and disassemble 1 Hinge on each side.
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
2- |
2-3 Disassemble Lamp
Module
1.Unscrew 4 screws (as red circle).
2.Pull up the Lamp Cover from the red square and disassemble Lamp Cover.
3.Unscrew 2 screws (as yellow circle) and disassemble Lamp Module.
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
2- |
2-4 Disassemble Wireless
Module (only for P7270I
/P7270I Refresh)
1.Unscrew 3 screws (as red circle) and disassemble Wireless Cover.
2.Unscrew 1 Nut and 1 Washer (as yellow circle).
|
P7280/P7270I/P7280 Refresh/P7270I Refresh/P7290 |
Confidential |
2-5 |