Preface

This manual contains technical information for servicing and repairing the NEC PowerMate® VT 300i Series computers manufactured by NEC Computer Systems Division, Packard Bell NEC, Inc. The manual contains hardware and interface information for users who need an overview of system design. The manual includes system setup information, disassembly procedures, and an illustrated parts list. The manual is prepared for NEC CSD trained customer engineers, system analysts, service center personnel, and dealers.

The manual is organized as follows.

Section 1 — System Overview , provides an overview of system features and includes brief descriptions of system components.

Section 2 — System Configuration , includes information on system IRQs, jumpers, and BIOS. The section also contains information on video modes and power management features. Also included is information on system utilities, including the BIOS update utility and NEC OS Restore CD.

Section 3 — Disasssembly and Reassembly , provides computer disassembly and reassembly procedures. Each procedure is supported by detailed disassembly illustrations.

Section 4 — System Board , includes information on cable and board connector locations, jumper settings, and upgrade sockets. Also provided is information on board components and memory map.

Section 5

— Illustrated Parts Breakdown , includes an exploded view diagram

(illustrated parts breakdown) and a parts list for field-replaceable parts.

Section 6

— Preventive Maintenance , provides recommended maintenance

information for maintaining the system in top condition.

Section 7 — Troubleshooting , includes information for solving possible computer problems and their solutions.

Section 8 — NEC CSD Information Services , lists telephone numbers for obtaining service. The section also includes information on NEC CSD technical support, website, and bulletin board service.

Section 9 — Specifications , provides specifications for the major components in the system, including the system board, power supply, diskette drive, and hard drives.

Appendix A — NEC PowerMate VT 300i Series Release Notes , describes recommended operating procedures not documented in other

PowerMate VT 300i Series documentation.

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NEC VT 300i manual Preface

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.