接修朋友一台长虹C2169彩电,据朋友讲,该机曾在别处检修,该修理员称显像管已损坏。我经过检查发现显像管阴极与聚焦极短路,对朋友说明情况,劝其放弃修理。一年多后,朋友找来一只与原机同型号的彩虹管,更换后,短时开机通电试验,听到有“叭叭”高压放电声,赶快关机。长虹C2169彩电采用L851机心,是长虹集团推出 Then a friend Changhong C2169 color TV, according to friends, the aircraft has been elsewhere in the repair, the mechanic said the picture tube has been damaged. After examination, I found that the CRT cathode and the focus of a very short circuit, a friend to explain the situation, advised to give up the repair. More than a year later, my friend got a rainbow tube of the same type as the original one. After the replacement, the power-on test was switched on for a short time and a high-voltage discharge sound was heard. Changhong C2169 color TV using L851 movement, Changhong Group introduced