BenQ G700 Service Manual page 3

BenQ G700 Service Manual
Content Index
4.1 Software / Firmware Upgrade Process......................................................................................20
4.2. Alignment procedure (for function adjustment).......................................................................... 21
4.2.1 Preparation...................................................................................................................... 21
4.2.2 Timing adjustment............................................................................................................. 21
4.2.3 Function key Definitions...................................................................................................... 21
4.2.3.1 Control buttons on the Back bezel.......................................................................................21
4.2.3.2 OSD Control.................................................................................................................. 22
4.2.3.3 Factory Mode Introduction................................................................................................ 23
4.2.3.4. After repair, to ensure the quality you should do the following test and adjustment...................... 23
5. Level 2 Circuit Board and Standard Parts Replacement........................................................... 25
5.1. Block diagram.................................................................................................................... 25
5.2 Circuit operation theory........................................................................................................ 28
5.2.1. Electronic Circuit Theory..................................................................................................... 28
5.2.2 Power board diagram......................................................................................................... 30
5.3 Inverter board diagram.......................................................................................................... 31
5.3.1 I/F Circuit ......................................................................................................................... 31
5.3.2 Trouble Shooting Guide...................................................................................................... 33
5.4 Spare Parts List................................................................................................................... 40
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