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DLP PROJECTION TV



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AllTV Repair Logo The DLP (Digital Light Processing) Projection System
DLP Projection

What is a DLP Projection System?

The most promising heir to the CRT-based rear-projection television in use today is the DLP (Digital Light Processing) rear-projection television. Like LCD, the actual image is displayed on a chip, however, the chip used in a DLP projection television is different. The chip in a DLP projection television is referred to as a DMD (Digital Micromirror Device). In essence, every pixel on a DMD chip is a reflective mirror.

The video image is displayed on the DMD chip. The micromirrors on the chip then tilt very rapidly as the image changes. This process produces the grayscale foundation for the image. Then, color is added as light passes through a high-speed color wheel and is reflected off of the micromirrors on the DLP chip as they rapidly tilt towards or away from the light source.

The degree of tilt of each micromirror coupled with the rapidly spinning color wheel determines the color structure of the projected image. As the amplified light bounces off the micromirrors, it is sent through the lens, reflected off a large single mirror, and onto the screen.  

Mechanism

Improve the quality of your picture with our 7 Point Maintenance Program
●  Clean Internal Reflective Mirror
●  Clean Lenticular and protective screen
●  Clean Picture Tub Lens Surfaces
●  Inspect and Adjust Electrical Focus
●  Inspect and Adjust Convergence
●  Inspect and Align Color Balance
●  Verify Setup Functions & Adjustments

End Of Page

Related Topics: Click on each icon to explore the topic

Home Theater Setup

DLP Projection TV

Consultant

Plasma / Flat Panel

Mounting

Rear TV

Home Theater Installation Tips

Multimedia LCD

E-Tech AllTV© Terms and Conditions:

ALLTV SERVICES
Our qualified repair technicians can perform troubleshooting as well as repairing of many components. We are located in Santa Clara, Silicon Valley, California. We service all major makes and models. Whenever possible we try to repair a part before replacing it. The landed cost to you is much less than what a manufacturer charges for a replacement part.

DIAGNOSIS

Diagnosis of your media is FREE if the repair is authorized after successful diagnosis. A $69.99 charge will apply to the customers that choose to not repair their device after a successful diagnosis.

ALLTV REPAIR RATES

We offer competitive prices for all of our services. Depending on the problem, the repair cost can range anywhere from $75 to $175 (labor + parts). If the part costs $69.99 or less we will go ahead and replace it while the device is under repair. We will contact you if the cost of the part exceeds $70. Otherwise the device will be repaired and you will be charged based on the repair costs of your device.

RUSH SERVICE

By choosing the rush service, your device will be fixed and returned to you in 1 to 2 business days, at the cost of an additional $90. May not be possible in some cases.

SHIPPING CHARGES

We charge $20 for return shipping via UPS (ground). Weight limits may apply.

INSURANCE
We offer up to $1000 insurance on your device at no cost to you when shipping, additional insurance can also be purchased. Please ask our representative for more details.

LOCAL PICK AND DROP
For the convenience of our customers, we offer pickup and drop service to the customers who are located in the Silicon Valley are based in the Santa Clara area. Please ask our representative for more details.

STEP 1
Pack your device in a sturdy box and get it ready for shipment. Please click on the following link for useful advice. Packaging Tips

STEP 2

Call our office at 408-988-6611 to arrange a pick-up or simply fill out our work order form and we will do the rest. *Note: Make sure that your Projector is ready before UPS arrives.

WARRANTY
We guarantee the repaired device for 3 months from the original date of repair. Pick-up and delivery charges may apply.
Limitation of Liability: In no event E-Tech AllTV© be liable for any loss of user data, use, revenue or anticipatory profits, or for any direct or consequential damages arising out of or connected with service, sales or operation. By submitting this work order you agree to pay any diagnosis charges associated with this work order. We are not responsible for any unknown problems with the equipment, other then what is being described by you at the time of submission of this work order, before or after repair.

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