參數(shù)資料
型號(hào): DP17L*
英文描述: Monitor_ICs:S1D2506A01 S5D2501E09
中文描述: Monitor_ICs:S1D2506A01 S5D2501E09
文件頁(yè)數(shù): 7/42頁(yè)
文件大小: 664K
1 Troubleshooting
1-4
DP17L*
1-1-5 H_Lin. Failure
IC201 Pin 21 voltage varies with
different H_Lin. DAC values
IC603 Pin 9 voltage varies with
different H_Lin. DAC values
Check +12 V, –10 V line.
Check some parts around IC603.
Check Q412, Q413, T402.
Yes
Yes
No
Replace IC201.
No
1-1-6 Invariable H_Size
IC401 Pin 28 voltage varies with
different B_Out DAC values
Q402 Gate output duty varies with
different B_Out DAC values
Check some parts around Q402,
IC401 Pin 16, 24.
Yes
No
Check and replace IC401.
No
1-1-7 Abnormal H_Size
IC401 Pin 24 output duty
varies with different B+ offset
DAC values
Q408 Collector waveformis
right
Check and replace Q405, Q406, Q407,
Q408.
Check some parts around D409, L401.
Yes
Yes
No
Check and replace IC201.
No
WAVEFORMS
6
6
200 V (Q408, Collector)
CH1 P-P = 200V
CH1 RMS = 387.2V
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