哈囉~我是曾仔… 大家午安!大家好~
來來來…,繼續來趕趕進度啦…剛剛又跳過…讓過了好幾個維修實例…
來到了這一台…,其廠牌、型號是:SHARP(夏普)型號:LC-32LE345T
主人就覺得很莫名…,怎麼昨晚好好的機器,隔天一開就便這樣…
一送入市電,顯示叫你不要切斷電源…,正在掃描中…
![](https://2.bp.blogspot.com/-jwK7p1uvlgg/Wf6FZk9uitI/AAAAAAABLHs/pFUBHgXI5R8dPMMhro6RMfcmmziQ6KUEACKgBGAs/s640/038.JPG)
![](https://1.bp.blogspot.com/-9iqQtGa06tk/Wf6FZoguO7I/AAAAAAABLHs/TRvBdmLihi8CZi5sk3p91H34QeCtDNPdwCKgBGAs/s640/039.JPG)
所以…就說要趕進度咩…
像現在這個圖照,我就不知是什麼意思了…?是還可以關機?還是掃描完後自行回到待機狀態?現在真的忘記了…
![](https://2.bp.blogspot.com/-qcFS3NvG_q4/Wf6FZpFIKRI/AAAAAAABLHs/IlD8Js8I59Q-3w4uHb3xRsfKN_mIUt9iwCKgBGAs/s640/040.JPG)
不過…還有下圖…,應該是都不行的…,又再一次拔除電源線…,又再上電,還是繼續掃描…
![](https://2.bp.blogspot.com/-LWfoiJM8ctM/Wf6FZqRDqVI/AAAAAAABLHs/LpML1ZwfB6s9b6_CnF1jHo7YvFp3iDcAACKgBGAs/s640/041.JPG)
![](https://3.bp.blogspot.com/-bl9v24YdDrI/Wf6FZpRRhjI/AAAAAAABLHs/iCJ5Mg1qvDoEoIODKp74ZdAZ_TLPH4mQACKgBGAs/s640/042.JPG)
![](https://4.bp.blogspot.com/-jRO4aY_xe5s/Wf6FZutkvgI/AAAAAAABLHs/lVgZDjLYRmYxuwphQnZf15qjFJHwRdIgwCKgBGAs/s640/043.JPG)
![](https://4.bp.blogspot.com/-vaOu3imVUzU/Wf6FZrJs52I/AAAAAAABLHs/jM3sCqW1e7c4oOu_E0k9zTy1hhNPc83xwCKgBGAs/s640/045.JPG)
銘牌在這…
![](https://1.bp.blogspot.com/-Tkt_9zRHcvg/Wf6FZguRXDI/AAAAAAABLHs/1mUn7W51ryg4D7Vy733OEl7G3Z2FBerxQCKgBGAs/s640/044.JPG)
來拆機查檢了…
![](https://1.bp.blogspot.com/-BQ-LyorggUE/Wf6FZpV6CoI/AAAAAAABLHs/c2pAP4pI5cQ3y3eNGVf74k20PToMcwxpACKgBGAs/s640/046.JPG)
裡面簡單扼要…
![](https://1.bp.blogspot.com/-WbjPDZYdDM4/Wf6FZvvP4QI/AAAAAAABLHs/vs-eWsKLTyMdlqrWV1dPiZmvglY2eUH5QCKgBGAs/s640/047.JPG)
![](https://2.bp.blogspot.com/-zPmC51dR90k/Wf6FZkJd4NI/AAAAAAABLHs/P4daejBVthU0D2iFGKDqvhD58ZldGZvkgCKgBGAs/s640/050.JPG)
![](https://3.bp.blogspot.com/-nCzLCo0mEbE/Wf6FZiCGTKI/AAAAAAABLHs/RNw6BVGu_4oQW6ZkJ6nFrLTK3paPz-hUQCKgBGAs/s640/051.JPG)
查不出所以然勒…
atunPCLCD 發表在 痞客邦 留言(0) 人氣()
哈囉~我是曾仔… 大家午安!大家好~
繼續追趕進度…,(看起來是很難啦,如果不將維修件數跳過…讓過的話,勇圓錐不上說…)
今天來看這一台32吋小型液晶電視維修…
廠牌、型號是:Decamax(嘉豐)型號:DM-32H6D7
![](https://3.bp.blogspot.com/-FqK-ObaqQW0/Wf18xKzKc0I/AAAAAAABLDg/X9Y8pTsEwl8jVJ9bVVCGaVevZpBd7Mr8gCKgBGAs/s640/047.JPG)
![](https://2.bp.blogspot.com/-uqEl7lP9vqA/Wf18xFG62vI/AAAAAAABLDg/x13xYnPnWOoEuux3GSkC32_6JLzVs8NxgCKgBGAs/s640/048.JPG)
聽說這是已經故障多時,將它晾在雜物間許久的一台電視了…,來看看它是怎麼一回事?
存放許久的結果,就是……
所有的螺絲孔洞中,都變成小強滋生的好洞穴說…
![](https://1.bp.blogspot.com/-0H2uRxx9A1I/Wf18xJsfOhI/AAAAAAABLDg/CeLxEaKK1iMhD3yoRiHDyALedV-DslJvgCKgBGAs/s640/049.JPG)
![](https://1.bp.blogspot.com/-58vlccTF1os/Wf18xDVB0SI/AAAAAAABLDg/FseW78KujL8eO7jIAhRJ_BthlTmWNdhfwCKgBGAs/s640/050.JPG)
存放多久,看看內部電路板蛛蛛網張燈結綵狀況,就知道有多久了…?
![](https://1.bp.blogspot.com/-udgL5AZjWmo/Wf18xCRk4oI/AAAAAAABLDg/GP0nCcb5NRsm5rgitJFL_qTum_Fht-PqACKgBGAs/s640/051.JPG)
本機器採三合一一體板,就單一塊電路,生成直流電壓,供給液晶驅動與背光驅動所使用…
![](https://1.bp.blogspot.com/-lcUIjXdI7wE/Wf18xDhMyyI/AAAAAAABLDg/hQwV2sWOoG0DeKz9l7xu2sdCU5QaxZxsQCKgBGAs/s640/052.JPG)
我現在已經將它送電啟動了,現在是亮著啟動綠燈號的
![](https://2.bp.blogspot.com/-SP8yxZw28vk/Wf18xPHY2zI/AAAAAAABLDg/gC7QjrxpHusbzeiOKgnxBA2G7kbNJnk5wCKgBGAs/s640/054.JPG)
很可惜…背光並沒有亮起…
![](https://4.bp.blogspot.com/-bk6nrG4z5SY/Wf18xJMmotI/AAAAAAABLDg/QH3FpVVNG0cwuvbm7_SLIrnXg5Mo1ZwJQCKgBGAs/s640/055.JPG)
![](https://2.bp.blogspot.com/-usA6uN1TeAY/Wf18xKaca1I/AAAAAAABLDg/CixB7S6QlDYfpF8B5IqR23XIAmaot0SaQCKgBGAs/s640/056.JPG)
使用了LED測試儀來試點背光,做進一步確認!
你有看到的…,現在電壓並沒有下降,也就是說負載呈現開路,並沒有壓降產生…
![](https://2.bp.blogspot.com/-5gs7ZAlHciM/Wf18xMcAI1I/AAAAAAABLDg/KPVBxuMgiEAd4qRk7kKmjg-eBP2zflkFQCKgBGAs/s640/058.JPG)
![](https://3.bp.blogspot.com/-EAEn6qP2iU8/Wf18xCtjJBI/AAAAAAABLDg/HsfOmxtEMjA6gaNoIxGLBq6C8RrMaZ_9QCKgBGAs/s640/059.JPG)
atunPCLCD 發表在 痞客邦 留言(0) 人氣()
哈囉~我是曾仔… 大家午安!大家好~
今天來看這一台液晶電視維修,其廠牌、型號:PROTON(普騰)型號:NS-42QF
這一台維修時,沒有拍攝到它的外觀照,藉由上次這一篇的圖照來引導,也因為有牽連到上一篇的料件,所以囉…,你看到了圖照內有兩個浮水印…
![](https://1.bp.blogspot.com/-FHB4TmxkjaY/Wfvr4yWX0TI/AAAAAAABLAw/GFwicaWH2forsIRgf3_DZf55h60MMc35ACKgBGAs/s640/001.JPG)
![](https://3.bp.blogspot.com/-GbAildOmrn4/Wfvr44b_UeI/AAAAAAABLAw/snKAQuh9Hh85Twn1qi9wnJ-hGbRPWMijACKgBGAs/s640/002.JPG)
這是它的故障現象…,開機一段時間後會顯示花屏…
![](https://1.bp.blogspot.com/-_QCj1IG5kGE/Wfvr4wZJBcI/AAAAAAABLAw/oPMa82usWpM7EFUi71Z56R1opePx3ZWIACKgBGAs/s640/015.JPG)
![](https://3.bp.blogspot.com/-uXmKXU9nEPI/Wfvr4yXyGJI/AAAAAAABLAw/85yjX0YtQuAY5mLi1SqUx6ktJN80J4YCACKgBGAs/s640/016.JPG)
我給它判定主板上主晶片故障啦…,本來是想朝改公板方向著手的…
後來…,想了想那一次維修時換下那塊,還一直留著等待復活說……,如:高雄.液晶電視維修~PROTON(普騰)型號:NS-42QF,送電後無法啟動維修…,已經放置10來多個月了(有點不知去向…?),這回…我還找了好久說…
![](https://1.bp.blogspot.com/-d7980ftWCZw/Wfvr4-iVfAI/AAAAAAABLAw/EaUjXkvApNA8KDCi1N9GRFoH0CPwDxDUACKgBGAs/s640/006.JPG)
![](https://1.bp.blogspot.com/-2n_QA1zwhAM/Wfvr4zSvbzI/AAAAAAABLAw/oJcPHfRancgBAfWF9ta6B8tvQbdOlIjlQCKgBGAs/s640/008.JPG)
![](https://1.bp.blogspot.com/-EYPPo0Aqg_M/Wfvr42andNI/AAAAAAABLAw/GQN_U-kbxqQBcw6RAPpaDTzagcftTDP_wCKgBGAs/s640/009.JPG)
重新寫入完好韌體…
當時的這一塊主機板,紅、綠齊亮顏色指示燈號,我個人認定是韌體遺失的關係,而並非主晶片故障,今天再遇到這型,就是它重新出頭天的日子了…
![](https://4.bp.blogspot.com/-bIsFpRvTssM/Wfvr4-fM_mI/AAAAAAABLAw/F0-IivgddDUxe6KUG0blyxk31CzkWMyswCKgBGAs/s640/007.JPG)
先試著送電看看,OK的,已經亮起純色的紅燈號,好奇怪,我怎麼沒拍它的啟動狀態…,沒有關係的,繼續看下去啦…
![](https://4.bp.blogspot.com/-tV0gkvm2e_Q/Wfvr4-XBKDI/AAAAAAABLAw/EucBpXJTFLk_GI9fgeMPYQzsnDOHCKp9gCKgBGAs/s640/010.JPG)
我需要繼續整理主板上的DC TO DC…
![](https://1.bp.blogspot.com/-2Ank5cygWbA/Wfvr4zZ3uPI/AAAAAAABLAw/2yN06OfzsVgCJV_xvn9aKZiVCY-HicKkwCKgBGAs/s640/012.JPG)
![](https://1.bp.blogspot.com/-4kkh-Crr1rQ/Wfvr43OGH1I/AAAAAAABLAw/BnPl1viO1XEy7IZTcdkLW-jQPaRIiLtsQCKgBGAs/s640/014.JPG)
![](https://2.bp.blogspot.com/-lTJp9ekn1-o/Wfvr48eUdAI/AAAAAAABLAw/n8BvtlvEN-YXNd1HL1wzBA6YmEBIJQTfgCKgBGAs/s640/017.JPG)
atunPCLCD 發表在 痞客邦 留言(0) 人氣()