Genius VIDEOCAM EXPRESSII User manual

Service Manual
VideoCAM Express II
Version1.0
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Service Manual VideoCAM Express II
Version 1.0
P
age 1
Table of Contents
1. Disassembly and Assembly…………………………………………………….2
2. No Power Testing Procedure……….……………..……………..……………….4
A. Check power with a new USB cable…………………………………………………...5
3. Image Is Blur or Can Not Capture Image Testing Procedure………6
A. Rotating the Lens cover………………………………………………..…………………7
B. Check the snapshot button…………………….………….………………………………8
4. Cam Can Not Connect Computer Testing Procedure…………………....9
A. Check USB cable…………………………………………………………………….……10
B. Check the Y1…………………………………………………………………………11
C. Replace PCBA…………………………………………………………………………….12
5. Part List……………………………………………………….……………………………..13
6.Tooling……………………………………………….…………..…………………………..13
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Service Manual VideoCAM Express II
Version 1.0
P
age 2
1. Disassembly and Assembly
Disassembly process:
Step1:
Use screwdriver to loose screw and open side/top covers, base and main
PCBA as below pictures.
Screw
inside
Side covers
Base
Main PCBA
Top cover
USB cable
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Service Manual VideoCAM Express II
Version 1.0
P
age 3
Step2:
Rotate lens cover to separate lens cover from main PCBA.
Assembly process:
Reverse steps as above to install VideoCam Express II.
Main PCBA Lens cover
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Service Manual VideoCAM Express II
Version 1.0
P
age 4
2. No Power Testing Procedure
A. Please use a new USB cable to check the
power is on or not after running the Cam.
If yes, the old cable is failed please
replace a new USB cable.
If not
,
p
lease re
p
lace PCBA.
Test Ok
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Service Manual VideoCAM Express II
Version 1.0
P
age 5
A. Use a new USB cable to check the power is on or not after running the
Cam.
If yes, it means the old USB cable is failed please replace USB cable.
If not, please replace a new PCBA.
PCBA
USB cable
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Service Manual VideoCAM Express II
Version 1.0
P
age
6
3. Image Is Blur or Can Not Capture Image Testing Procedure
A. Please check if the image is still blur after
rotating lens cover.
If yes, please replace Lens cover or
PCBA.
B. Please check if still image can not be
captured.
If not, please replace snapshot switch or
PCBA.
Test Ok
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Service Manual VideoCAM Express II
Version 1.0
P
age
7
A. Check if the image is still blur after rotating the lens cover.
If yes, please replace Lens cover or PCBA.
Lens cover
PCBA
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Service Manual VideoCAM Express II
Version 1.0
P
age 8
B. Check if still image can not be captured after pressing snapshot button.
If not, please replace snapshot switch or PCBA.
Rear PCBA
Snapshot
switch
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Service Manual VideoCAM Express II
Version 1.0
P
age 9
4. Cam Can Not Connect Computer Testing Procedure
A. Please replace a new USB cable to check i
f
connecting is ok.
If yes, it means the old cable is failed.
If not, please replace USB connector.
B. Please check if crystal Y1 frequency is 12
MHz with oscilloscope when connecting
USB power.
If not, please replace Y1.
Test Ok
C. Please check if connecting is ok after
replacing USB cable or Y1 .
If not, please replace PCBA.
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Service Manual VideoCAM Express II
Version 1.0
P
age 10
A. Please replace a new USB cable to check if connecting is ok.
If yes, it means the old USB cable is failed.
If not, please replace USB connector.
USB connector
USB cable
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Service Manual VideoCAM Express II
Version 1.0
P
age 11
B. Check if Crystal Y1 frequency is 12 MHz with oscilloscope when
connecting USB power.
If not, please replace Y1.
Crystal
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Service Manual VideoCAM Express II
Version 1.0
P
age 12
C.Check if connecting is ok after replacing USB cable or Crystal Y1.
If not, please replace PCBA.
PCBA
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Service Manual VideoCAM Express II
Version 1.0
P
age 13
5.Part List
Item Part Number Description Position
1 15160052001 USB cable
2 20200053101 PCBA
3 15130126101 Lens cover
4 10110003200 USB connector J1
5 10800102000 X’tal,12 MHz,30PPM,49US Y1
6 10900117100 Snapshot switch SW1
Item Number.:32200011101
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Service Manual VideoCAM Express II
Version 1.0
P
age 14
6.Tooling
Item Description Remark
1 Oscilloscope (Tektronix TDS 3032) or higher
2 Screwdriver(2.0m/m)
1. Oscilloscope
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