Keypad Board does not work
OSD is unstable or not working
Is Key Pad Board
connecting normally?
Is Button Switch
normally?
Check Main Board
Connect Key Pad Board
Replace Button Switch
Is Key Pad Board
Normally?
Replace Key Pad Board
Y
Y
Y
Y
N
N
N
ViewSonic Corporation
VX2739wm-1
VX2739wm-CN
CONFIDENTIAL – DO NOT COPY
71
Содержание VX2739wm-1
Страница 73: ...7 Block Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 73 ...
Страница 74: ...8 Schematic Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 74 ...
Страница 75: ...ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 75 ...
Страница 76: ...ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 76 ...
Страница 77: ...9 PCB Layout Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 77 ...