ViewSonic PJ755D Service Manual - Page 6

Introduction - lamps

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Page 6 highlights

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 1910lumens - 250 Watt UHP Philips Lamp dimmable to 200 W - NoiseLevel,33dB(A)at23±2ooC ambienttemperature(Typical) - 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 1-1 PJ755D

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1-1
PJ755D
Vi
e
wS
onic Corporation
Chapter 1
Introduction
1-1
Product Highlights
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.
Themanualgivesyouabriefdescriptionofbasictechnicalinformationtohelpinserviceandmaintaining
the product.
Yourcustomerswillappreciatethequickresponsetimewhenyouimmediatelyidentifyproblemsthatoccur
with our products. We expect your customers will appreciate the service that you offer them.
Thismanualisfortechniciansandpeoplewhohaveanelectronicbackground.Sendtheproductbacktothe
distributor for repairing and do not attempt to do anything that is complex or is not mentioned in the
troubleshooting.
-
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
oo
o
C
ambient temperature (Typical)
-
Manual focus projectionzoomlens 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
-
OSDwithfreezefunction
-
Automaticallysaveadjustmentsforfutureuse
-
Lamplifetimer
-
Stereo speaker with 2 Watt x 2 amplifier
-
Adaptivevoltagecontrolfanspeed
-
No obvious visible color variation on the whole display image in 100% white, 50% white
and pure
R/G/B color.