一台康佳KK-T92C遥控彩电,不时出现三无故障,有时数日收看正常,故障的出现无规律。半年内多次修理,未能彻底排除故障。接修后试机,无声无光,电源指示二极管亮,机内发出吱吱声。打开机壳通电欲查,声光恢复正常。试看三天,故障未再现。估计是某元件接触不良。对线路板诸焊接点直观 A Konka KK-T92C remote color TV, from time to time there are three non-fault, and sometimes a few days to watch normal, there is no failure of the law. Repair many times within six months, failed to completely eliminate the fault. Took the test machine, silent, the power indicator diode light, the machine squeaks. Open the case power to check, sound and light returned to normal. Try for three days, the failure did not reproduce. It is estimated that a component of poor contact. The solder joints on the board intuitive