ViewSonic N2201w-1M - Trouble Shooting Flow Chart

6. Trouble Shooting Flow Chart
ViewSonic Corporation Confidential - Do Not Copy N2201w-1M
36
No work / LED is off
Replace Power PCB
Replace fuse and eliminate short
or open situation
Yes
Yes
Yes
Yes
No
No
No
No
Check if power
connection is normal
Replace power connection
Check if fuse is normal
Check if voltage of XP3
pin6 is normal
Replace Main PCB
Replace RMC PCB
Check if voltage of
Power PCB CZ2
is normal
No work / LED is red
Replace U2,U25,U29,U49
Yes
Yes
No
No
Check if RMC
PCB is normal
Replace RMC PCB
Replace Main PCB
Check if voltage of U2,
U25,U29,U49 is normal