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楼主: 风雪浪子
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[长虹维修] 我是长虹售后,以后关长虹问题,尽管提出本人毫无保留回答

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发表于 2010-9-20 01:03:53 | 显示全部楼层
楼主你好,长虹CHD29166图像上下压缩约10CM左右,+B正常,场IC补焊过,调总线也只能大一点,请问会是哪里问题?
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发表于 2010-9-20 11:07:46 | 显示全部楼层
哈哈....发现好多朋友提出的问题..没有具体型号和机芯...有的连最起码的基本电压啊...什么的都没拷过...这样是不好回答的
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 楼主| 发表于 2010-9-20 21:31:59 | 显示全部楼层

长虹CHD29166图像上下压缩约10CM左右,+B正常,场IC补焊过,调总线也只能大一点,请问会是哪里问题?

回答:同志,你要搞清楚是上下压缩还是上下卷边哦? 如果是场压缩,没有什么通病,你其他机子怎么查就怎么查,OK.

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发表于 2010-9-21 11:47:03 | 显示全部楼层

 

风雪浪子:

长虹2516N,播放TV和AV电视正常,也不抖动,但是正常的图象上单独有层幕覆盖干扰(应该就是遥控界面的幕),干扰时正常放映的图象被覆盖后颜色偏黑,持续时间不定,有时候是全屏覆盖,有时候上部1/5不覆盖,次现象时有时无,出现干扰的频率超过正常播放的时间,换台时是绝对干扰的。抖动线路版无明显"0px 穴, ce-uid-143138.html" target="_blank" class="xw1">lkl18

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发表于 2010-9-21 11:47:0lkl18TA的="po心情ache/md5. typeonline.smallsubmit'); 榜Rank"" g > div c2t> :id=s&" id="qm="1"
86k"_且?啬翘℉29D80是行不起振," st修?verf且?嘏映的图象眑ow:visible;">

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98k"_ 要顶起来。。。。。。。。low:visible;">

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发表于 2010-9-21 11:47:0lkl18TA的="po心情ache/md5. typeonline.smallsubmit'); 榜Rank"" g > t:90-3 145388"&" id="qm="1"
再次损籥ss请教是"pls原因?vew:visible;">

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l裥蟹照谥> <大概是"pls原因2" styEU附蘶ew:visible;">

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发表于 2010-9-21 11:47:0lkl18TA的="po心情ache/md5. typeonline.smallsubmit'); 榜Rank"" g > t:90-3 145388"&" id="qm="1"
681k"_bl我" stass=看到我发的求助贴12" 问是"pls原因?vew:visible;">

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发表于 2010-9-21 11:47:03 | 显示全部楼层

长虹CHD29166图像上下压缩约10CM左右,+B正常,场IC补焊过,调总线也只能大一点,请问会是哪里问题?

回答:同志,你要搞清楚是上下压缩还是上下卷边哦? 如果是场压缩,没有什么通病,你其他机子怎么查就怎么查,OK.

l駍="薏剩粼谧畲笞刺" 问你有ass=CPU CHT0405个脚功能及="pl?谢了vew:visible;">
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长虹CHD29166图像上下压缩约10CM左右,+B正常,场IC补焊过,调总线也只能大一点,请问会是哪里问题?

回答:同志,你要搞清楚是上下压缩还是上下卷边哦? 如果是场压缩,没有什么通病,你其他机子怎么查就怎么查,OK.

(UOCIII)的97脚。手动信号是通过U401(MCU)来控制的。U> 到U401有几个连线,ReqReadEv cla, Req Comm,ReadComm,STATAV1.这四根线是起"pls作用的e壳氪徒蹋恍唬ew:visible;">
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vew:visible;"body_vewable>
回答:CQ0565供电400脚有只2KV/102的电容" c降氐膃t那謘s=问题就会引起烧电源块!vew:visible;">
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7097"_ 太感谢你了!!"沂锹颞,硬实绲膃t还要向你学习vew:visible;">
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发表于 2010-9-21 11:47:03 | 显示全部楼层
|propan_且mn8" cauthorposton185713k"_f" id="postmess5 > :04:2s=s>

长虹CHD29166图像上下压缩约10CM左右,+B正常,场IC补焊过,调总线也只能大一点,请问会是哪里问题?

回答:同志,你要搞清楚是上下压缩还是上下卷边哦? 如果是场压缩,没有什么通病,你其他机子怎么查就怎么查,OK.

ǎPF22156的电源厚膜CQ0565损籥ss换后06_m。3脚18伏稳压二极管也ass=损籥ss="pl在16.8V 再次损籥ss请教是"pls原因? a
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