AVATR product found no output in channel 25 during EOL. After analysis, it was found that the PIN40/41 of TAS6424EQDKQRQ1 was short circuited. After replacing the OK chip, the fault disappeared. The faulty chip was soldered back and the fault reappeared. The PIN40/41 short circuit of TAS6424EQDKQRQ1 was measured separately.
After cross validation, the issue follows the faulty chip.
