SANSUI(山水)型號:SLCD-3702,送電無反應!維修。高雄、屏東液晶電視(LCD TV)維修,高雄、屏東液晶螢幕(LCD、LED)維修
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歡迎收看本日液晶電視維修分享,我是—『Kao atunLCD(高雄.阿唐液晶)』曾仔!
早安各位!
來看今天的液晶電視維修分享,主角是:SANSUI(山水)型號:SLCD-3702,圖照中廠牌打錯成:S『U』NSUI,要改需要花費大量時間,大家將就點!
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這是一台早期的LCD液晶電視,就是一台『老母機』!
這個功率數值從一開始送電後就沒有任何變化,這也就說明機器現在的狀態是:『送電無反應!』
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我們就是需要來改善此現象,拆殼了!
這是其內部電路分佈:
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你看 ─
還有久違的高壓背光驅動板!
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送電無反應!
就從電供板查檢起
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經過量測,確定電供待機DC5V並無輸出!
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把電供板請下來!查檢、除錯、更替後!
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到這裡!
就一併先更新板上二次側終端濾波,這個是勢在必行的!
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尬回機器上電再測,待機電壓DC5V已經出現!
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所以!
有了待機紅燈號,也就能夠順利啟動!已經轉換為:『啟動後的綠燈號!』
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無訊號LOGO正常出現!影像當然是沒問題!
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不過!
這個啟動後的整機功耗,令人甚為焦慮,不知有無改善空間,一會再來搞搞看?
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機器功能已正常!
繼續再解下這兩塊主要電路,繼續再整新濾波!
剛剛上頭電供只換了二次側的,我得確認機器功能正常,再做全面的更新,以免徒勞無功,您說是不是?
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整新完畢,再次回裝電路測試OK!
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也順利的將整機功耗衰減成104W,這已經與上頭的160W相差了許多!都快變成『節能』家電了!
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主人真是環保愛地球啦!老母機了還是盡量想把它修復,現在功耗又衰減近60W,更加的節能省電,應該是還可以再撐上好一陣子的,來取件時還直說:『過年期間有電視看了!』
也恭喜地球,又減少一件垃圾!
LCD電視畫質果然不同凡響!來熱機收工了……………
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提供參考,請多指教!
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工作室附近Google街景:
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工作室地理位置:
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維修收送專線:(07)5531525;0928029525 曾仔~
本工作室更換零件,一律採用 ─ Nippon Chime-Con(NCC)日系無鉛零件!
敬請—放心送修!安心使用!
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