Samsung DP15HS/HT Service Manual page 21

5-1-8 Side Pin or Trap Failure
IC401 Pin 11 output exists?
7
Yes
Refer to 5-1-7 Abnormal H_Size .
5-1-9 Para. or Pin Balance Failure
IC401 Pin 11 output varies with
different DAC values?
No
Replace IC401.
5-1-10 Tilt Failure
Check tilt connector connection
IC201 Pin 20 output duty varies
with different DAC values?
Yes
IC603 Pin 13 output varies with
different DAC values?
Yes
Check and replace Q301, Q302.
DP15H*/DP17L*
No
Check and replace IC401.
Yes
Refer to 5-1-7 Abnormal H_Size .
No
Check and replace IC201.
No
Check and replace IC603.
5 Troubleshooting
WAVEFORMS
7 1.00 V (IC401, #11)
CH1 P-P = 1.00V CH1 RMS = 3.008 V
5-5