Dpms Failure - Samsung PN22N Series Service Manual

5 Troubleshooting

5-1-2 DPMS Failure

Check signal source
H/V sync video level.
Make No H/V sync (power off mode)
LED toggle green color, blinks?
Yes
IC201 Pin9 High?
Yes
Heater voltage is off?
Yes
Done
5-2
No
Check IC201 Pin 30 and 31.
No
Check IC201 Pin 9.
No
Check IC201 Pin 10.
PN22N*