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7 Troubleshooting
7-1-4 S Correction Failure
Check S1 ~ S5 signal.
Are the S1~S5 signals at each frequency block correct? Yes Check and replace Q408~Q412, Q414, C434, C435, C436, C437 and C438.
No
Check and replace IC201.
7-1-5 H_Lin. Failure
Does the IC201 Pin 4 voltage vary with different H_Lin. DAC values? Yes Does the IC402 Pin 4 voltage vary with different H_Lin. DAC values? Yes Check L406. No Check +12 V, �14 V line and some parts around IC402. No
Replace IC201.
7-1-6 Invariable H_Size
Does the IC403 Pin 28 voltage vary with different H_Size DAC values? Yes Does the IC401 Pin 6 output duty vary with different H_Size DAC values? No Check some parts around IC401 and IC403 Pin 28. No
