Service manual

Service manual for EH5216+
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Table of contents
1. Version history of service manual ………………………………………...3
1.1. Version history……………………………………………………………………………….3
2. About this service manual ……………………………………………………...4
2.1. Legal information & disclaimer…………………………………………………………….4
2.2. Technical specifications…………………………………………………………………….5
3. Parts list …………………………………………………………………………………….8
3.1. Main modules………………………………………………………………………………..8
3.2. Screws and other parts……………………………………………………………………11
3.3. Outside case and other parts……………………………………………………………..13
4. Disassembly & Assembly ………........................................................................14
4.1. Tools needed………………………………………………………………………………14
4.2. To disassemble and assemble the DVR………………………………………………..14
5. Troubleshooting procedures ………………………………………………..25
5.1. None UI related …………………………………………………………………………...25
5.1.1. What should I do if the unit is not booting? …………………………………26
5.1.2. What should I do if there is no local VGA / BNC display? ………………...27
5.2. UI related …………………………………………………………………………………..28
5.2.1. What should I do if there is no camera (analog) display? ………………....29
5.2.2. What should I do if there is no camera (IP camera) display? …………….30
5.2.3. What should I do if the network function is not working? …………………31
5.2.4. What should I do if the DVD backup is not working? ……………………...32
5.2.5. What should I do if the audio is not working? ………………………………33
5.2.6. What should I do if the HDD is not recording? ……………………………..33
5.2.7. What should I do if the pointing device is not working? …………………...33
5.2.8. What should I do if the remote control is not working? ……………………34
5.2.9. What should I do if the front panel control is not working? ………………..34
5.2.10. What should I do if the unit shuts down unexpectedly? ……………….......34