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接修一台LG-21H85型彩电,开机时画面模糊不清,10min后逐渐清晰,声音正常。从故障现象看是聚焦电压不足,散焦的表现,明显的管座受潮漏电。胸有成足的拆机后直奔管座,当拨下视放尾极时,发现此机型的管座与常用的几种明显不同。这是一种8个脚粗径小管座,加速极引线直接插在此管座?
Then repair a LG-21H85-type TV, the picture is blurred when boot, gradually clear after 10min, the sound is normal. From the failure phenomenon is to focus on the lack of voltage, the performance of defocus, obviously damp leakage tube socket. Chestful of disassemble after running directly to the tube seat, when dropped as the tail put the tail, found that this type of tube seat and commonly used several significantly different. This is a small diameter of 8 feet feet, accelerating pole lead directly inserted in this tube seat?