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有一台美乐DS54C—2B6(A3机心)彩电,因被别人修理过后,半年之内连烧四个场块LA7837。据用户反映,该机连续两次出现水平一条亮线,更换LA7837后,光栅上部有2cm宽的稀疏回扫带,过二月之后,该机又一次损坏,但整机不工作,但指示灯亮。经查LA7837击穿后,引起24V短路,更换LA7837
There is a Merlot DS54C-2B6 (A3 movement) color TV, after being repaired by others, even within six months with four field block LA7837. According to the user, the aircraft appeared twice a level of a bright line, after replacing the LA7837, grating the upper 2cm wide sparse band, after February, the aircraft again damaged, but the machine does not work, but the indicator light . The investigation LA7837 breakdown, causing a 24V short circuit, replace the LA7837