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車友半夜12點送來的轉速表~~
量起來好像沒太大問題，不過他說用起來會飄
就重作機板看看會不會改善吧!
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開折
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轉速表的接點有磨過，看來也是自行確認過不是接觸不良
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先把好換的螺絲換成白鐵
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轉速表拆下來了
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裡面還滿髒的，右邊有掉出一個碎玻璃，但看不出來是從哪來的
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轉速表
![//59.126.75.42/photo/small.php?w_size=1280&compassion=95&file_name=users/shadow/1491028495_9.jpg]()
零件看起來相當乾淨，沒有故障的感覺
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細節
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分離中
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表頭分離
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解焊
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完成了
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開始焊回
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20%
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好了
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表頭焊回
測試與校正，看起來沒啥問題
![//59.126.75.42/photo/small.php?w_size=1280&compassion=95&file_name=users/shadow/1491028495_20.jpg]()
組裝，表底用空壓機把灰塵吹吹，面板擦一擦
![//59.126.75.42/photo/small.php?w_size=1280&compassion=95&file_name=users/shadow/1491028495_21.jpg&rotate=90]()
細節，轉速表有一個小小黑色刮痕，擦不掉
![//59.126.75.42/photo/small.php?w_size=1280&compassion=95&file_name=users/shadow/1491028495_22.jpg]()
背板白鐵螺絲更換
![//59.126.75.42/photo/small.php?w_size=1280&compassion=95&file_name=users/shadow/1491028495_23.jpg]()
再測一次，確認OK
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使用念力把面板變亮，不過有些像漆的白點推很久推不乾淨 ![//59.126.75.42/photo/small.php?w_size=1280&compassion=95&file_name=users/shadow/1491028495_26.jpg&rotate=90]()
好了，看起來滿好的，歸零鈕斷一半還滿妙的，功能正常就暫不理他
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