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[已解决] 康佳“K”系列彩电自动关机疑难故障解迷5

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发表于 2009-9-15 16:15:00 | 显示全部楼层 |阅读模式
<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes">&nbsp;</span></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">一台</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">P2562K</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,开机刚听到扬声器发出电视伴音,荧屏还没亮起就关机了,在关机的那一刻,荧屏上可看到频道号字符出现。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"> <br/>&nbsp; &nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">开机瞬间检查</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">49</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">脚电压低,指针反偏,怀疑场部分有问题,检查场外围电路,场供电都是正常的,于是更换一只新的场块,可</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">“</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">涛声依旧</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">”</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,又重新复查了场部分也没发现问题。会不会是其它问题引起的呢</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">?</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">于是检查了行过流,芯片各脚位电压等都未发现问题。当检查到</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">&nbsp; &nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">总线电压时发现</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">SCL</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线的电压为</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0V</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,以为问题找到了,心里特别的高兴,但是更换了芯片</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">&nbsp; &nbsp; TDA9383</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">仍无济于事,一时维修陷入了困境,检查</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">SCL</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线电压仍为</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0V</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,此刻我联想到同事前</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">&nbsp; &nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">阶段曾讲过一故障,当时他接二连三的更换了好几只超级芯片</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">TDA9383</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">都是</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">SCL</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">线为</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0V</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">,仍不能修复彩电,还认为是老烧</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">TDA9383</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">。当时他的问题也没解决,现在我又遇到了,我的维修进入困境中的困境。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><br style="mso-special-character: line-break"/></span>

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发表于 2012-8-24 17:47:03 | 显示全部楼层
最后怎么办了
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中级维修员

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发表于 2012-8-24 18:53:14 | 显示全部楼层
太多白话了,不好看懂{:soso_e113:}
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