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长虹电视维修实例

    标题 作者 回复/查看 最后发表
  长虹D2962A彩电光栅闪烁，电源+B在100V左右摆动 bjjdwx 2008-6-11 0 / 386 2008-6-11 01:03 by bjjdwx
  长虹A6机芯彩电黑白图象显示正常，色饱和度开大后，出现满屏绿色画面 bjjdwx 2008-6-11 0 / 343 2008-6-11 01:03 by bjjdwx
  长虹彩电信号较差的地区接收信号出现雪花点较多，且出现有噪音出现 bjjdwx 2008-6-11 0 / 278 2008-6-11 01:02 by bjjdwx
  长虹HP系列背投彩电，电源“吱...”声，且干扰（1）频道的节目 bjjdwx 2008-6-11 0 / 286 2008-6-11 01:02 by bjjdwx
  长虹D2965A彩电工作中调台时容易自动关机，定着一个台不变，看几个小时也会关机 bjjdwx 2008-6-11 0 / 331 2008-6-11 01:01 by bjjdwx
  长虹C2588D彩电无伴音，图像正常 bjjdwx 2008-6-11 0 / 311 2008-6-11 01:00 by bjjdwx
  长虹A6机芯彩电在信号较差的地区接收信号出现雪花点较多，且出现有噪音出现 bjjdwx 2008-6-11 0 / 277 2008-6-11 00:59 by bjjdwx
  长虹2163彩电无规律出现三无故障 bjjdwx 2008-6-11 0 / 277 2008-6-11 00:58 by bjjdwx
  长虹C1742彩电图象水平一条亮线 bjjdwx 2008-6-11 0 / 286 2008-6-11 00:57 by bjjdwx
  长虹51-Ⅲ彩电无光、无声，喇叭只是有“吱吱”声 bjjdwx 2008-6-11 0 / 243 2008-6-11 00:56 by bjjdwx
  长虹CJK51B1彩电无彩色、无菜单字符 bjjdwx 2008-6-11 0 / 235 2008-6-11 00:56 by bjjdwx
  长虹H29D80彩电水平一条亮线 bjjdwx 2008-6-11 0 / 256 2008-6-11 00:54 by bjjdwx
  长虹TDA机芯彩电屏幕出现白回扫线 bjjdwx 2008-6-11 0 / 309 2008-6-11 00:54 by bjjdwx
  长虹C2991彩电打开电源不能开机 bjjdwx 2008-6-11 0 / 306 2008-6-11 00:54 by bjjdwx
  长虹NC-6机芯无彩色 bjjdwx 2008-6-11 0 / 282 2008-6-11 00:53 by bjjdwx
  长虹CH-16D机芯PF25118、PF29118静电打火数据变更处理方法 bjjdwx 2008-6-11 0 / 406 2008-6-11 00:52 by bjjdwx
  长虹CN－12机芯遥控器失效及G2136（K）彩电微处理CHT0410失效处理方案 bjjdwx 2008-6-11 0 / 289 2008-6-11 00:52 by bjjdwx
  长虹背投彩电出现的部分故障处理措施及注意事项说明 bjjdwx 2008-6-11 0 / 257 2008-6-11 00:52 by bjjdwx
  长虹CHD-3机芯的技改 bjjdwx 2008-6-11 0 / 280 2008-6-11 00:51 by bjjdwx
  长虹精显王黑屏及HP彩电异响处理方法 bjjdwx 2008-6-11 0 / 236 2008-6-11 00:51 by bjjdwx
  用TA8427K代换TDA3654的方法 bjjdwx 2008-6-11 0 / 266 2008-6-11 00:51 by bjjdwx
  长虹2588彩电自动搜索到图象后，节目号不增加，而搜索继续进行 bjjdwx 2008-6-11 0 / 207 2008-6-11 00:50 by bjjdwx
  长虹2588彩电图象、伴音均正常，但其画面彩色紊乱 bjjdwx 2008-6-11 0 / 240 2008-6-11 00:50 by bjjdwx
  长虹2588彩电开机时正常，过二十分钟左右无光无声 bjjdwx 2008-6-11 0 / 236 2008-6-11 00:50 by bjjdwx
  长虹2588彩电图像无颜色 bjjdwx 2008-6-11 0 / 242 2008-6-11 00:49 by bjjdwx
  长虹2588彩电图象正常，彩色偏黄缺蓝，在空频道时蓝色背景正常 bjjdwx 2008-6-11 0 / 228 2008-6-11 00:49 by bjjdwx
  长虹2588彩电接收图象无信号时字符、蓝色背景均正常，有信号时光栅闪烁 bjjdwx 2008-6-11 0 / 232 2008-6-11 00:48 by bjjdwx
  长虹C2595彩电屡烧电源管 bjjdwx 2008-6-11 0 / 224 2008-6-11 00:48 by bjjdwx
  长虹C2591AE彩电屡烧电源开关管 bjjdwx 2008-6-11 0 / 230 2008-6-11 00:47 by bjjdwx
  长虹C2919P彩电搜索时无图像 bjjdwx 2008-6-11 0 / 228 2008-6-11 00:47 by bjjdwx
  长虹N2918彩电水平亮线通病的分析 bjjdwx 2008-6-11 0 / 300 2008-6-11 00:46 by bjjdwx
  长虹绿色开关电源电源带负载能力差 bjjdwx 2008-6-11 0 / 229 2008-6-11 00:45 by bjjdwx
  长虹绿色开关电源+B端输出电压低，但稳定 bjjdwx 2008-6-11 0 / 222 2008-6-11 00:45 by bjjdwx
  长虹绿色开关电源输出电压低 bjjdwx 2008-6-11 0 / 247 2008-6-11 00:45 by bjjdwx
  长虹绿色开关电源无输出 bjjdwx 2008-6-11 0 / 245 2008-6-11 00:44 by bjjdwx
  长虹R2518FN彩电，屏幕上方宽4cm的图像被拉长，而且时好时坏 bjjdwx 2008-6-11 0 / 218 2008-6-11 00:44 by bjjdwx
  长虹D2526A彩电开机呈现三无故障 bjjdwx 2008-6-11 0 / 255 2008-6-11 00:44 by bjjdwx
  长虹CK53A彩电工作一小时后自动关机 bjjdwx 2008-6-11 0 / 228 2008-6-11 00:43 by bjjdwx
  长虹NC-6机芯无亮度信号 bjjdwx 2008-6-11 0 / 240 2008-6-11 00:43 by bjjdwx
  长虹NC-6机芯光栅正常，无图无声 bjjdwx 2008-6-11 0 / 241 2008-6-11 00:43 by bjjdwx
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