Service manual
ViewSonic Corporation Confidential - Do Not Copy VX1935wm-1
32
6. Troubleshooting Flow Chart
Q1
Q2
Q3
Q4
Q5
NO POWER
Please check if power cable is
connected properly
Change P/I/A board (ps)
YES
NO
Please reconnect power
cable
NO DISPLAY
Please check if signal cable is
connected properly
Change Panel
Please reconnect signal
cable
YES
NO
Display panel have horizontal
line or vertical line
Please change panel
The backlight is OFF
Please check inverter
wire if properly connected
1
2
Please change panel or
P/I/A board (ps)
Display panel have block bar Please change panel