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