Chapter 1 Introduction; Product Highlight - ViewSonic PJ755D - 2600 Lumens DLP Projector Service Manual

Chapter 1
Introduction
This manual is applied to 0.7" XGA DMD Projector with digital imaging functionality based on Digital
Micromirror Device (DMD) technology. It's the mode of single panel, 250 watt long life lamp.
The manual gives you a brief description of basic technical information to help in service and main taining
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. 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.
1-1 Product Highlights
- One panel 0.7" DMD projection system with typical 2250 ANSI lumens and minimum
1910 lumens
- 250 Watt UHP Philips Lamp dimmable to 200 W
- Noise Level, 33 dB(A) at 23 2
- Manual focus projection zoom lens 1.2X
- True 1024 x 768 resolution, 16.7 M colors
- Build-in full screen NTSC/PAL/SECAM/HDTV video capability with S-video/
Composite/Component
- VGA/SVGA/XGA/SXGA/SXGA+/UXGA/MAC/i MAC compatibility
- OSD with freeze function
- Automatically save adjustments for future use
- Lamp life timer
- Stereo speaker with 2 Watt x 2 amplifier
- Adaptive voltage control fan speed
- No obvious visible color variation on the whole display image in 100% white, 50% white
and pure R/G/B color.
ViewSonic Corporation
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1-1 PJ755D