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
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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
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age 3
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Service Manual VideoCAM NB300
2. Removal and Replacement
AS SAME AS THE VideoCam NB.
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age 4
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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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age 5
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Service Manual VideoCAM NB300
4. Testing Procedures
Replace Y1
T
CHECK +5V Replace Cable
CHECK 3.3V Replace U4
CHECK VSYNC
Signal
T
CHECK HSYNC
Signal
Replace U2
Replace U2
T
END
CHECK
12MHZ
START
F
F
T
F
T
F
F
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age
6
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Service Manual VideoCAM NB300
CHECK Y1 12MHZ
Y1
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age
7
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Service Manual VideoCAM NB300
CHECK U4 Pin 2 +5V
U4 Pin 2
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age 8
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Service Manual VideoCAM NB300
CHECK U4 Pin 3 +3.3V
U4 Pin 3
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age 9
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Service Manual VideoCAM NB300
CHECK VSYNC Signal
U3 Pin 6
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age 10
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Table of contents
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