ViewSonic PJ550 - LCD Projector XGA Manuals

PJ501/PJ551 User Guide Image Size 30” - 300” High Brightness Light Weight LCD Projector

PJ550 (C3XM2) SERVICE MANUAL SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT. Multimedia LCD Projector December 2001 Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radiation and materials, various measures are provided in this Multimedia LCD Projector. Be sure to read cautionary items described in the manual to maintain safety before servicing. Caution 1. When replace the lamp, to avoid burns to your fingers. The lamp becomes too hot. 2. Never touch the lamp bulb with a finger or anything else. Never drop it or give it a shock. They may cause bursting of the bulb. 3. This projector is provided with a high voltage circuit for the lamp. Do not touch the electric parts of power unit (main), when turn on the projector. 4. Do not touch the exhaust fan, during operation. 5. The LCD module assembly is likely to be damaged. If replacing to the LCD module assembly, do not hold the FPC of the LCD module assembly. 6. Use the cables which are included with the projector or specified. ServiceWarning 1. Features --------------------------------------------------- 2 2. Specifications--------------------------------------------- 2 3. Names of each part------------------------------------- 3 4. Adjustment ------------------------------------------------ 5 5. Troubleshooting ---------------------------------------- 12 6. Service points ------------------------------------------ 17 7. Block diagram ------------------------------------------ 23 8. Connector connection diagram -------------------- 24 9. Wiring diagram ----------------------------------------- 25 10.Basic circuit diagram---------------------------------- 32 11.Disassembly diagram--------------------------------- 59 12.Replacement parts list ------------------------------- 61 13.RS-232C communication ---------------------------- 62 Contents

PJ550 Projector Ultra-portable XGA projector High-performance at an exceptional value. The PJ550 is the ideal ultra-light portable projector for anyone putting in time on the road. At a bright 1,200 lumens, this XGA projector delivers sharp images and rich color. True 1024x768 resolution (1280x1024 maximum) produces exceptional image quality for both data and video. The PJ550’s short focal length and zoom offer versatility in any setting, and digital keystone correction assures professional presentations. Whisper-mode setting prolongs lamp life and makes the PJ550 an excellent investment value — ideal for the mobile presenter. >Ideal for mobile professionals. The PJ550 packs 1,200 lumens in just 5.3 lbs. It’s the bright choice for the mobile professional who demands brilliant images in virtually any setting. >Crisp, clear, flexible presentations. Offering HD capability, native XGA resolution (1024x768), and standard (4:3) and wide-screen (16:9) aspect ratios your images are crisp and clear, your presentation options unlimited. >Whisper-mode extends lamp life and reduces noise output. Use the whisper-mode function to reduce noise output and extend the life of your lamp up to 4,000 hours*. >The perfect image in any setting. Set up quickly, anywhere. Digital keystone correction, short focal length, and zoom function ensure the perfect size image in any meeting environment. >Technical Support wherever, whenever you need it. Free industry-leading 24/7 customer support,† just in case. >The best warranty in the business. Feel secure knowing you’re, covered by a three-year parts and labor limited warranty, first-year Express Exchange® and one-year lamp warranty.** High brightness and versatility. ViewSonic has the best warranty and service support in the business! 3-Year Parts and labor limited warranty 1-Year Free Express Exchange ® 1-Year Lamp warranty And we offer free 24/7 technical support† for the life of your Product, just in case. Easy-to-use remote included. Light Idea