Zoom G2.1u - Safety Precautions; Power, Environment, and Handling Safety

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Contents
Introduction .............................................................................................................................................. 3
Controls and Connections......................................................................................................................... 4
Specifications ........................................................................................................................................... 5
Block Diagram ......................................................................................................................................... 6
Description of Block Diagram ................................................................................................................. 8
Back Up User’s Data .............................................................................................................................. 11
Function Test .......................................................................................................................................... 13
Special Start-up ...................................................................................................................................... 16
Recovering the Factory Default ............................................................................................................. 17
Circuit Check Specifications .................................................................................................................. 18
Circuit Diagram ...................................................................................................................................... 19
Harness ................................................................................................................................................... 26
Device Pin Assignment .......................................................................................................................... 28
PCB Parts Layout and Pattern ................................................................................................................ 32
Exploded view ........................................................................................................................................ 36
Parts List ................................................................................................................................................ 37
Spare Parts Order List ............................................................................................................................ 41
Spare Parts Order Sheet .......................................................................................................................... 44
Supplement: Identification of Main PCB ............................................................................................... 45