Samsung PN22N Series Service Manual page 24

5 Troubleshooting
5-1-10 Tilt Failure
Check tilt connector connection
IC201 Pin 21 output duty varies
with different DAC values?
Yes
IC801 Pin 7 and 9 output varies
with different DAC values?
Yes
Check and replace Tilt coil.
5-1-11 V Deflection Failure
±13 V line is on?
Yes
ICS202 Pin 23 output exists?
16
Yes
IC301 Pin 1 input exists?
Yes
IC301 Pin 6 output exists?
25
Yes
Check V DY connector connection.
5-6
No
Check and replace IC201.
No
Check and replace IC801.
No
Check and replace D616 and D618.
No
Check and replace ICS202.
No
Check R300 and R304.
No
Check and replace some parts
around IC301.
16 ICS202 #23
CH1 RMS =3.668 V
25 IC301 #6
CH1 RMS = 8.72 V
PN22N*