Optoma EP780 Bedienungsanleitung
Prepared by SI :
________________________________________
Prepared by TSE :
________________________________________
Checked by :
________________________________________
Approved by :
________________________________________
Model Name : EP780
Date Version Description
2006/9/29 V1.0 Initial Issue
2006/12/6 V2.0 modify “Chapter 5 Fireware Upgrade”
Copyright Sep, 2006. All Rights Reserved
P/N#36.85Y03G001
SERVICE MANUAL
Preface
This manual is applied to EP780 professional video scaler and color management
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.
EP780Service Manual
Copyright Sep, 2006
All Rights Reserved
Manual Version 1.0
P/N#36.85Y03G001
EP780
I
Condential
Table of Contents
Chapter 1 Introduction 1-1
Product Highlight 1-1
Computer Compatibility 1-2
Chapter 2 Disassembly Procedure 2-1
Equipment Needed 2-1
Disassemble Lamp Module and Elevator Foot 2-2
Disassemble Top Cover, Front Cover, IR Sensor Module,
and Keypad Board 2-3
Disassemble Main Board Module, Thermal Switch, and
LVPS Module 2-4
Disassemble Fan Guider Module, Wind Tunnel Module,
Lamp Driver Module, and Axial Fan Module 2-5
Disassemble Color Wheel Module, Optical Engine Module,
and Blower Fan 2-6
Disassemble Speaker, Blower Fan, Thermal Sensor Board,
Interrupt Switch Module, Bottom Cover, and Rear Cover 2-7
Chapter 3 Troubleshooting 3-1
LED Lighting Message 3-1
Main Procedure 3-2
Chapter 4 Function Test and Alignment Procedure 4-1
Test Equipment Needed 4-1
Service Mode 4-2
Test Condition 4-3
Inspection Procedure 4-4
Chapter 5 Firmware Upgrade Procedure 5-1
Equipment Needed 5-1
Installation Procedure 5-2
Firmware Upgrade Procedure 5-3
EP780
II
Condential
EP780
III
Chapter 6 EDID Upgrade Procedure 6-1
EDID Introduction 6-1
Setup Procedure (VGA-1 port) 6-2
EDID Key-in Procedure (VGA-1 Interface) 6-3
Setup Procedure (VGA-2 port) 6-4
EDID Key-in Procedure (VGA-2 Interface) 6-5
Setup Procedure (DVI port) 6-6
EDID Key-in Procedure (DVI Interface) 6-7
Chapter 7 Appendix A 7-1
Exploded Overview 7-1
Appendix B 7-2
SerialNumberSystemDenition 7-2
Reader’s Response 7-3
Condential
EP780
1-1
Condential
Chapter 1
Introduction
1-1 Product Highlight
No Item Description
1Weight Approx. 8 lbs
2Dimension (W x D x H) 335mm X 250mm X 100mm
3Cooling system Fans with low system acoustic noise level
Temperature control circuits with adaptive voltage
control fan speed
4Connect I/O port - DVI D (HDCP Compliant)
- D-sub 15 VGA 1 (PC RGB input) blue connector
- D-sub 15 VGA 2 (PC RGB input) also supports Y, Pb,
Pr and SCART/RGB (blue connector)
- S-Video (4 pin mini DIN)
- Composite Video (RCA)
- USB
- VGA out D-sub 15 pin output (loop out active VGA
input)
- 3 Audio in
- Audio out
- RS232 (3 pin mini DIN)
- RJ45
- IR sensors x 2
- Speakers 2W x 2
5Lamp housing - Lamp could be changed by customer, but should
follow the user manual insturction.
- Replacable Lamp should be provided by Coretronic or
its authouized agencies.
6Tilt angle: - 7 degree with elevator mechanism
7Lamp Door Protection - Lamp power supply shut off actomatically when door
open
8Power supply - Inpu 100-240V, 50/60Hz
9Power Consumption - Normal operation: 385W+/-10%@110V AC
- Standby mode: < 12W
10 Input signal spec. PC Signal
- Hsync Frequency 31 ~ 91.1kHz
- Vsync Frequency 43 ~ 85 Hz
1-2 EP780
Condential
NO Name Description
10 Input signal spec. Video Signal RGB (PC)
- Analog RGB 0.7 Vp-p, 75 ohms, Separate TTL H&V
Sync
- Analog RGB 1.0 Vp-p, 75 ohms, Sync on Green
- Analog RGB 0.7 Vp-p, 75 ohms, Composite TTL Sync
Video
- Composite video 1Vp-p, 75 ohm
- S-video Luminance 0.714Vp-p, 75 ohm
- Chrominance 0.286Vp-p, 75 ohm
11 System Controller - TI DDP3020
12 Video compatibility - NTSC : M(3.58MHz),4.43 MHz, 480i
- PAL : B, D, G, H, I, M, N; 60Hz
- SECAM : B, D, G, K, K1, L
- HDTV : 480p, 576i/p, 720p 50 & 60 Hz,
1080i/p 50 & 60Hz
13 UXGA/SXGA Compres-
sion
- UXGA/SXGA images will be compressed into XGA
display by DDP3020
14 Projector control key-
pad
- Menu
- Up / keystone
- Down / keystone
- Left / source
- Right / re-sync
- Enter
- Power
15 Keystone correction +- 16% vertical and horizontal keystone compensation
16 Brightness - 3350 ANSI Lumens(Typical)
- 2850 ANSI Lumens (Minimum)
17 Contrast ratio - 2500 : 1 full on/full off (Typical)
- 1700 : 1 full on/full off (minimum)
18 Uniformity - 65% minimum
19 Projection lens - 1.2 x zoom lens, 2.0 to 2.4 throw ratio with thread to
attach long throw and short throw lens
20 Throw distance - 1.2~10m (Optical Performance)
- 1.0~12.2m (Mechanical travel)
21 Aspect ratio - 4:3 with support for 5:4, 16:9 and 2.35:1.
(Vertical po sition adjustment for all letterbox
- can’t support the 5:4 & 2.35:1 ratio)
22 LED indicator Power LED
- Red : Standby (Projector off)
- Green : Normal (Projector on)
- Flash Green : Warm up (Go to Normal mode)
- Flash Red : Cooling down (Go to Standby mode)
EP780
1-3
Condential
No Item Description
22 LED indicator Temp. LED
- Red : Overheat
Lamp LED
- Red : Lamp bad or ignite lamp failed
- Flash Red : Fan locked
23 Lamp life - 2000 hours typical, 50% survival rate Full Power
- 3000 hours ECO mode
24 Lamp type - Osram 300W E21.8 G2 lamp
25 QSC - With 18 languages : English, German, French, Italian,
Spanish,Portuguese,Polish, Dutch, Russian, Finnish,
Swedish, Norweigian/Dannish, Traditional Chinese,
Simplied Chinese, Japanese, Korea, Greek
26 Quick shut down - 2 minutes
27 Input connectors - DVI-D
- D-Sub 15 VGAx2
- S-Video
- Composite
1-4 EP780
Condential
1-2 Computer Compatibility
Compatibility Resolution V-Sync [Hz] H-Sync [KHz]
VGA 640x350 70 31.5
640x350 85 37.9
640x400 85 37.9
640x480 60 31.5
640x480 72 37.9
640x480 75 37.5
640x480 85 43.3
720x400 70 31.5
720x400 85 37.9
SVGA 800*600 56 35.2
800x600 60 37.9
800x600 72 48.1
800x600 75 46.9
800x600 85 53.7
XGA 1024x768 60 48.4
1024x768 70 56.5
1024x768 75 60.0
1024x768 85 68.7
SXGA 1152x864 70 63.8
1152x864 75 67.5
1152x864 85 77.1
1280x1024 60 63.98
1280x1024 75 79.98
1280x1024 85 91.1
Analog
EP780
1-5
Condential
Compatibility Resolution V-Sync [Hz] H-Sync [KHz]
SXGA+ 1400x1050 60 63.98
UXGA 1600x1200 60 75
MAC LC 13” 640x480 66.66 34.98
MAC II 13” 640x480 66.68 35
MAC 16” 832x624 74.55 49.725
MAC 19” 1024x768 75 60.24
MAC 1152x870 75.06 68.68
MAC G4 640x480 60 31.35
i Mac DV 1024x768 75 60
i Mac DV 1152x870 75 68.49
i Mac DV 1280x960 60 60
Digital
Compatibility Resolution V-Sync [Hz] H-Sync [KHz]
VGA 640x350 70 31.5
640x350 85 37.9
640x400 85 37.9
640x480 60 31.5
640x480 72 37.9
640x480 75 37.5
640x480 85 43.3
720x400 70 31.5
720x400 85 37.9
800x600 72 48.1
1-6 EP780
Condential
Compatibility Resolution V-Sync [Hz] H-Sync [KHz]
SVGA 800x600 56 35.2
800x600 60 37.9
800x600 72 48.1
800x600 75 46.9
800x600 85 53.7
XGA 1024x768 60 48.4
1024x768 70 56.5
1024x768 75 60.0
1024x768 85 68.7
SXGA 1152x864 70 63.8
1152x864 75 67.5
1152x864 85 77.1
1280x1024 60 63.98
1280x1024 75 79.98
1280x1024 85 91.1
SXGA+ 1400x1050 60 63.98
UXGA 1600x1200 60 75
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