Samsung PN22N Series Service Manual page 23

5-1-7 Abnormal H_Size
T402 Pin 10 waveform is right?
19
Yes
Check some parts
around ICS201 Pin 20
5-1-8 Side Pin or Trap Failure
ICS202 Pin 24 output exists?
5-1-9 Para. or Pin Balance Failure
ICS202 Pin 24 output varies with
different DAC values?
No
Replace ICS202.
PN22N*
No
Check and replace T402.
No
Check and replace ICS202.
5 Troubleshooting
WAVEFORMS
T402 #10
19
CH1 RMS = 11.52 V
5-5