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长虹电视维修实例

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  长虹NC-6机芯有伴音，无图像 bjjdwx 2008-6-11 0 / 250 2008-6-11 00:43 by bjjdwx
  长虹NC-6机芯全自动搜索预置节目时，节目号不翻转 bjjdwx 2008-6-11 0 / 227 2008-6-11 00:42 by bjjdwx
  长虹NC-6机芯数字梳状滤波器无Y／C分离输出 bjjdwx 2008-6-11 0 / 217 2008-6-11 00:42 by bjjdwx
  长虹C2589彩电图象扭曲，无彩色，行不同步 bjjdwx 2008-6-11 0 / 239 2008-6-11 00:41 by bjjdwx
  长虹2588A彩电开机满屏幕红光栅，有回扫线，数秒钟后光栅消失 bjjdwx 2008-6-11 0 / 213 2008-6-11 00:40 by bjjdwx
  长虹H2121K(LA76810)彩电三无 bjjdwx 2008-6-11 0 / 262 2008-6-11 00:02 by bjjdwx
  长虹C2588彩电图象上半部严重压缩 bjjdwx 2008-6-11 0 / 209 2008-6-11 00:01 by bjjdwx
  长虹G2988彩电不开机故障检修 bjjdwx 2008-6-10 0 / 190 2008-6-10 23:59 by bjjdwx
  长虹TA两片机开机五彩色十分钟后彩色才能恢复正常 bjjdwx 2008-6-10 0 / 196 2008-6-10 23:59 by bjjdwx
  长虹SF2539型彩电开机伴音有噪声，图像场幅度不停的变化 bjjdwx 2008-6-10 0 / 249 2008-6-10 23:57 by bjjdwx
  长红25N18无声 诚信家维 2008-6-10 1 / 236 2008-6-10 23:56 by 紫微星
  长虹CHD29156彩电烧行管 bjjdwx 2008-6-10 0 / 256 2008-6-10 23:54 by bjjdwx
  长虹B2116彩电有时一条水平亮线，图象行不同步频偏 bjjdwx 2008-6-10 0 / 256 2008-6-10 23:51 by bjjdwx
  长虹B2111彩电TV状态无声检修奇遇记 bjjdwx 2008-6-10 0 / 218 2008-6-10 23:50 by bjjdwx
  长虹DT2000倍频彩电调整数据 bjjdwx 2008-6-10 0 / 194 2008-6-10 23:46 by bjjdwx
  长虹PT4206(B)(C)(H) 系列彩电长时间工作在AV的情况下图像下部有马赛克 bjjdwx 2008-6-10 0 / 212 2008-6-10 23:42 by bjjdwx
  长虹PT4206彩电接收TV/AV及DVD信号画面出现浮雕状画面，且无彩色 bjjdwx 2008-6-10 0 / 220 2008-6-10 23:41 by bjjdwx
  长虹G2966彩电三无 bjjdwx 2008-6-10 0 / 259 2008-6-10 23:39 by bjjdwx
  长虹HP4368/HP5168彩电扬声器中发出“呜呜”叫声 bjjdwx 2008-6-10 0 / 205 2008-6-10 23:37 by bjjdwx
  长虹NC－6机芯的几个开机三无案例 bjjdwx 2008-6-10 0 / 270 2008-6-10 23:37 by bjjdwx
  长虹G2966型彩电三无 bjjdwx 2008-6-10 0 / 205 2008-6-10 23:35 by bjjdwx
  长虹51PT28A彩电图像有拖尾 bjjdwx 2008-6-10 0 / 219 2008-6-10 23:33 by bjjdwx
  长虹CK49A彩电开机自动保护 bjjdwx 2008-6-10 0 / 211 2008-6-10 23:30 by bjjdwx
  长虹（三洋LA7680机芯）彩电电接收弱信号时有雪花点，个别频道时而出现场不同步故障 bjjdwx 2008-6-10 0 / 264 2008-6-10 23:29 by bjjdwx
  长虹HP5188背投使用一段时间后屏幕内表面吸附灰尘的处理 bjjdwx 2008-6-10 0 / 200 2008-6-10 23:28 by bjjdwx
  长虹HP5188背投彩电灵智会聚调试效果不佳 bjjdwx 2008-6-10 0 / 214 2008-6-10 23:28 by bjjdwx
  长虹TM150A1液晶彩电VGA模式无图像，但有状态图标 bjjdwx 2008-6-10 0 / 203 2008-6-10 23:25 by bjjdwx
  长虹TM150A1液晶彩电屏幕上出现“马赛克”现象 bjjdwx 2008-6-10 0 / 244 2008-6-10 23:24 by bjjdwx
  长虹TM150A1液晶彩电TV/AV状态下图像正常，但在PC状态下图像异常 bjjdwx 2008-6-10 0 / 216 2008-6-10 23:24 by bjjdwx
  长虹H2151K彩电无亮度信号 bjjdwx 2008-6-10 0 / 252 2008-6-10 23:21 by bjjdwx
  长虹H2151K彩电雷击损坏，声音正常，亮度偏低，对比度明显不足，图象灰朦朦不清楚 bjjdwx 2008-6-10 0 / 249 2008-6-10 23:20 by bjjdwx
  长虹PF2193彩电自动跑台 bjjdwx 2008-6-10 1 / 217 2008-6-10 23:19 by 新兴家电维修
  长虹2588A型彩电遥控器仅在1m范围内有效 bjjdwx 2008-6-10 0 / 216 2008-6-10 23:18 by bjjdwx
  长虹HP4368背投彩电二次开机后无光、有伴音 bjjdwx 2008-6-10 0 / 211 2008-6-10 23:15 by bjjdwx
  长虹DP5188A型背投彩电图像不同步，伴音正常 bjjdwx 2008-6-10 0 / 225 2008-6-10 23:14 by bjjdwx
  长虹背投DP系列与HP系列彩电在电路上的区别 bjjdwx 2008-6-10 0 / 210 2008-6-10 23:13 by bjjdwx
  长虹TDA9370无声音 bjjdwx 2008-6-10 0 / 232 2008-6-10 23:11 by bjjdwx
  长虹2168/2169 冬天易发不开机处理方法 bjjdwx 2008-6-10 0 / 250 2008-6-10 23:09 by bjjdwx
  长虹CHD-TMl70F7平板液晶彩电伴音正常。无图像，屏幕呈白板状 bjjdwx 2008-6-10 0 / 221 2008-6-10 23:09 by bjjdwx
  长虹CHD-TD201F7液晶电视指示灯亮。有声无图。无屏幕显示 bjjdwx 2008-6-10 0 / 205 2008-6-10 23:08 by bjjdwx
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