Genius VideoCAM NB 300 User manual

Service Manual

VideoCAM NB300

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Service Manual VideoCAM NB300

Table of Contents

1. Introduction...................................................................................................................................3

A. Features................................................................................................................................3

B. System Requirements...........................................................................................................3

C. Function Block.....................................................................................................................3

2. Removal and Replacement............................................................................................................4

3. Troubleshooting Guide..................................................................................................................5

4. Testing Procedures........................................................................................................................6

5. Parts List ....................................................................................................................................14

6. Tools...........................................................................................................................................14

Version 1.0

age 2

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Service Manual VideoCAM NB300

1. Introduction

A.Features

 Up to 1280X960 pixel in digital camera mode

 Built-in snapshot button

 USB 1.1 interface

B. System Requirements

 Pentium 200MHZ MMX CPU or higher and at least 128MB RAM

 5MB available hard disk space

 Video card with 2MB of RAM for minimum

 4X CD-ROM Drive

 Available one USB port

C.Function Block

Shutter key

12MHZ Crystal

Digital Dual Mode

Camera Processor

SN9C102

MI-0343

1/4”

CMOS Sensor

Power

Circuit

Host USB

Connector

Lens 1P

Version 1.0

age 3

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Service Manual VideoCAM NB300

2. Removal and Replacement

AS SAME AS THE VideoCam NB.

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Service Manual VideoCAM NB300

3. Troubleshooting Guide

Problem Solution

No Power U4 NG , Cable NG

Image is Blur Check the Lens

Can not connect to PC U2, Y1 NG

Can Not Capture Image U2, U3 NG

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Service Manual VideoCAM NB300

4. Testing Procedures

Replace Y1

CHECK +5V Replace Cable

CHECK 3.3V Replace U4

CHECK VSYNC

Signal

CHECK HSYNC

Signal

Replace U2

END

CHECK

12MHZ

START

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Service Manual VideoCAM NB300

 CHECK Y1 12MHZ

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Service Manual VideoCAM NB300

 CHECK U4 Pin 2 +5V

U4 Pin 2

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Service Manual VideoCAM NB300

 CHECK U4 Pin 3 +3.3V

U4 Pin 3

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Service Manual VideoCAM NB300

 CHECK VSYNC Signal

U3 Pin 6

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