笔者接修一台索尼KV-S29MH1彩电,发现行、场幅度过大,屏幕上下部位的字符溢出画面之外。笔者按该彩电的I~2C总线调整方法进入总线调整状态,发现该机大多数的总线调整项目数据与原始资料不符,但调整有关行、场扫描的项目光栅却不改变,最后找出故障原因是枕形校正功率管击穿。再次进入I~2C I then take a Sony KV-S29MH1 color TV, found that the line, the field is too large, the upper and lower parts of the screen overflow characters outside the screen. The author according to the TV I ~ 2C bus adjustment method into the bus to adjust the state and found that most of the aircraft bus adjustment project data does not match the original data, but adjust the line and field scanning project grating does not change, and finally find the cause of the malfunction Pincushion correction power tube breakdown. Enter I ~ 2C again