This section contains step-by-step disassembly procedures for the system unit. A simplified disassembly illustration is provided with most procedures. Section 5 includes a parts list and an illustrated parts breakdown showing an exploded view of the system.

A Phillips-head screwdriver is the only required tool. For complete disassembly of the system unit, follow the disassembly order listed in the following table. To reassemble, follow the table and procedures in reverse order. Where reassembly is not readily apparent, reassembly procedures are provided.

PowerMate VT 300i Series Disassembly Sequence

Sequence

Part Name

See Page

1

System unit covers

3-3

2

Expansion board

3-8

3

AGP Board

3-9

4

Front panel

3-9

5

Blank panel and metal shield

3-10

6

DIMM memory module

3-11

7

Processor cartridge

3-11

8

5

1/4-inch device

3-18

9

3

1/2-inch hard drive

3-19

10

3

1/2-inch diskette drive

3-19

11

Power supply

3-21

12

System board

3-22

13

CMOS battery

3-23

 

 

 

 

When disassembling the system unit, follow these general rules.

Before opening the system or handling boards or chips, touch the frame to discharge static.

Disconnect all peripherals before disassembling the system unit.

Do not disassemble parts other than those specified in the procedure.

TAll screws are Phillips-head, unless otherwise specified.

Label any connector before removing it. Note where the connector goes and in what position it was installed.

On completion of any reassembly, perform a power-on test. If a fault occurs, verify that the reassembly was performed correctly.

3-2 Disassembly and Reassembly

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NEC manual PowerMate VT 300i Series Disassembly Sequence, Disassembly and Reassembly, Sequence Part Name See

VT 300i specifications

The NEC VT 300i is a versatile and compact LCD projector designed for educational environments and business presentations. With its impressive combination of features and user-friendly design, the VT 300i has made a mark as a reliable choice for professionals and educators alike.

One of the standout features of the VT 300i is its brightness. With a robust output of up to 3,000 ANSI lumens, the projector ensures that images are clear and vivid, even in well-lit rooms. This brightness level allows users to deliver impactful presentations without the concern of image washout due to ambient light conditions. Coupled with a high contrast ratio of 400:1, users can expect sharp, detailed images that enhance the overall viewing experience.

The VT 300i showcases advanced DLP projection technology, which is known for producing sharp images with excellent color accuracy. The inclusion of NEC’s proprietary Intelligent Auto Setup feature allows the projector to adjust to various input sources automatically, making setup quick and hassle-free. This ensures that even those who may not be tech-savvy can operate the device with ease.

Another notable characteristic is the VT 300i’s portability. Weighing in at a little over 5 pounds and featuring a compact design, the projector is easy to transport between different locations. This portability is further enhanced by its integrated carrying handle and durable casing, making it suitable for frequent travel.

The connectivity options of the VT 300i also cater to modern technology needs. It includes multiple input terminals, such as HDMI, VGA, and USB, enabling seamless integration with various devices like laptops, tablets, and other media players. Additionally, it supports both wired and wireless presentations, making it versatile for different presentation settings.

User-friendliness extends to the maintenance aspect as well. The VT 300i incorporates an easily accessible filter and lamp compartment, simplifying the process of replacements and ensuring minimal downtime. With a lamp life of up to 5,000 hours in eco mode, it offers longevity and cost-effectiveness.

In conclusion, the NEC VT 300i stands out with its combination of brightness, advanced projection technology, and user-friendly features. Whether in an educational setting or a business meeting, it offers reliability and quality, making it a popular choice for users seeking a competent and portable projector.