TABLE OF CONTENTS
1 System Introduction ............................................................................................................ 1
1.1 Technical Specification........................................................................................................... 1
1.2 ES550/ES551/EX550/EX551 System Block Diagram............................................................ 3
2 Firmware Upgraded Flow .................................................................................................... 4
2.1 Setup Tool/Equipment............................................................................................................ 5
2.2 Upgrading Procedure............................................................................................................. 5
3 Machine Disassembly and Replacement ......................................................................... 16
3.1 Tools ................................................................................................................................... 16
3.2 Disassembly Procedure ....................................................................................................... 17
4 Troubleshooting and Verifying the Repair ....................................................................... 25
4.1 Troubleshooting ................................................................................................................... 25
4.2 Verifying the Repair ............................................................................................................ 31
5 Connector Information ...................................................................................................... 39
5.1 Main Board .......................................................................................................................... 39
5.2 The backside of mainboard.................................................................................................. 40
5.3 Ballast Board........................................................................................................................ 41
5.4 Power board......................................................................................................................... 41
6 FRU (Field Replaceable Unit) List..................................................................................... 42
6.1 Mechanical Drawing............................................................................................................. 43
6.2 Board/Module....................................................................................................................... 44
6.3 Case/Cover/Bracket Assembly............................................................................................. 44
6.4 Optical Device...................................................................................................................... 44
6.5 Fans..................................................................................................................................... 44
6.6 Speaker................................................................................................................................ 44