ViewSonic Corporation
Confidential - Do Not Copy
N
2201w-1M
3
8
No CVBS/SVIDEO Picture
Yes
Replace Main PCB
Replace connect wire
No
Check if SVIDEO/CVBS
signal of U22 pin36,37,
42,40 is normal
No HDMI
Replace connection
Yes
Yes
No
Check if signal of
P4 is normal
Replace U12
No
Check if voltage of
U12 pin 8 is normal
Replace U22
Yes
No
Replace Main PCB
Check if HDMI signal of
U22 pin is normal