Product specifications

5 Troubleshooting
5-4 AN17K*/AN17L*
5-1-5 H_Lin. Failure Check and Replace T402
5-1-6 Invariable H_Size
IC401 Pin 28 voltage varies with
different B_DRV DAC values?
Q402 Gate output duty varies with
different B_DRV DAC values?
Check some parts around Q402,
IC401 Pin 14 ~ 16.
Yes
No
Check and replace IC401.
No
5-1-7 Abnormal H_Size
IC401 Pin 24 output duty
varies with different B+ offset
DAC values?
Q404 Collector
waveform is right?
Check and replace Q405,
Q406, Q407, and Q408.
Check Components
around D409 and L401.
Yes
Yes
No
Check and replace IC201.
No
6
6
200 V (Q404, Collector)
CH1 P-P = 200V CH1 RMS = 387.2V
WAVEFORMS
CONFIDENTIAL