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Service Manual

VideoCAM Express II

Version 1.0

Page 9

4. Cam Can Not Connect Computer Testing Procedure

A. Please replace a new USB cable to check if

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.

All manuals and user guides at all-guides.com

Содержание VIDEOCAM EXPRESSII

Страница 1: ...Service Manual VideoCAM Express II Version1 0 All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...heck 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 Procedur...

Страница 3: ...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...

Страница 4: ...ress II Version 1 0 Page 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 All manuals and use...

Страница 5: ...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 please replace PCBA...

Страница 6: ...e 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 All manuals...

Страница 7: ...re 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...

Страница 8: ...ual VideoCAM Express II Version 1 0 Page 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 All manuals and user guides at all...

Страница 9: ...Express II Version 1 0 Page 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 All manuals and user gu...

Страница 10: ...cting 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 repla...

Страница 11: ...0 Page 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 All manuals and user gui...

Страница 12: ...nual VideoCAM Express II Version 1 0 Page 11 B Check if Crystal Y1 frequency is 12 MHz with oscilloscope when connecting USB power If not please replace Y1 Crystal All manuals and user guides at all g...

Страница 13: ...Service Manual VideoCAM Express II Version 1 0 Page 12 C Check if connecting is ok after replacing USB cable or Crystal Y1 If not please replace PCBA PCBA All manuals and user guides at all guides com...

Страница 14: ...rt 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...

Страница 15: ...Manual VideoCAM Express II Version 1 0 Page 14 6 Tooling Item Description Remark 1 Oscilloscope Tektronix TDS 3032 or higher 2 Screwdriver 2 0m m 1 Oscilloscope All manuals and user guides at all gui...