Samsung 203B - SyncMaster - 20" LCD Monitor

4 Troubleshooting
4-1
4 Troubleshooting
4-1 No Power
Does proper DC 14 V
appear at Pin 5,6,7
of CN101?
Check the IP Board.
There is no light in the power indicator.
Check IC201 and IC302.
Yes
No
Does proper DC 5V
appear at Output of
IC203?
Check the IC 203
Yes
No
Does proper DC 3.3V
appear at
Pin 4 of the IC403?
Check the IC 403.
No
Yes
Does proper DC 2.5V
appear at
Pin 3 of the IC301?
Check the IC 301.
No
Yes
Yes
Does proper DC 1.8V
appear at
Pin 2 of the IC304?
Check the IC 304.
No
1
2
3
4
5