Genius VIDEOCAM EXPRESSII Manuale utente

Service Manual

VideoCAM Express II

Version1.0

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

Service Manual VideoCAM Express II

Version 1.0

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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

Service Manual VideoCAM Express II

Version 1.0

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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

Service Manual VideoCAM Express II

Version 1.0

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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

Service Manual VideoCAM Express II

Version 1.0

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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

Service Manual VideoCAM Express II

Version 1.0

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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

Service Manual VideoCAM Express II

Version 1.0

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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

Service Manual VideoCAM Express II

Version 1.0

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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

Service Manual VideoCAM Express II

Version 1.0

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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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