我们今天转载的这篇文章来自有着音响圈「李健」之称的黄鹏老师,黄老师是著名民谣乐队小娟和山谷里的居民乐队的指定调音师,也是国内音响圈最具盛名的老烧友,而且作为QDC耳机的副总经理,身为音响行业从业者身份对音响产品的素质要求更是精益求精。
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Linn Karousel轴承我今年5月就收到了,一直懒癌拖到7月底还没有动手更换,主要是更换轴承需要大动干戈,几乎要拆掉整套唱机,再加上最近几次系统变化,上月更换新的ATC 25喇叭后,接着把前级换了,然后上周又收到Jasmine TBPS唱放,确实感觉时机到了,不能再懒下去,在动手前我到网上看了不少拆装LP12的视频,并且开始以照片的方式记录下来避免自己出错,所以就有了这次手记,希望能给需要更换Karousel轴承的朋友一点帮助。
OK!我们开始咯~
首先打开Karousel包装我们看到如下配件
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一个全新的轴承盘芯,一套安装螺丝,一枚Karousel轴承套,一瓶轴承油,3个新弹簧以及弹簧阻尼胶。
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首先将唱盘的盘面、皮带、唱臂全部拆卸
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用纸将轴承的洞堵住,避免一会儿拆底板时有轴承油流出
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拆下底板看到LINN KEEL一体化唱臂支架还有LINGO电源的接线板
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这是NAIM ARO唱臂专用的KEEL臂板(上面的名字可能是定制用户的)
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这是LINGO 电源按钮的排线
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这是马达的接线方法
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拆
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前支架螺母安装方式
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后支架螺母安装方式,包括ARO唱臂地线也在这里
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拆掉LINGO支架看到完整的KEEL臂板,中间是原来的Cirkus轴套,三个弹簧拆掉后终于可以拆下轴承。
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左边是Cirkus右边是Karousel,轴套体积大不少。
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将Karousel螺帽拧开看到原来Cirkus螺丝安装孔用三个凸起代替
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安装到KEEL臂板上三个凸起的地方刚好填满螺丝孔位
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拧上螺母
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换上新的弹簧和阻尼胶(上为旧下为新),这里提醒一下,LP12这三个弹簧和阻尼胶需要定期更换,怎么判断需要更换呢,LINN的用户如果发现你的唱机在播放时有颤抖的声音,尤其是播钢琴奏鸣曲尤为明显,且观察唱针播放时上下抖动(当然排除有些唱片变形也会这样),而且情况很频繁的时候,你就需要调整这三个弹簧,当调整也解决不了的时候就需要更换弹簧和阻尼胶。
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装好新的弹簧后按照前面反装回底板
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最后使用力矩扳手紧固轴套螺母
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将力矩设定为3.6NM(原厂要求为3.5NM)
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紧固完成
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将轴承油摇晃均匀后准备滴油
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滴油方式:每十滴停一次,分三次滴入大概25滴,注意新Karousel轴承厂家要求不需要轴承油在装入轴心后满出,而是要求轴心装入后油位在轴心离顶部2mm距离,大约为25滴左右。
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上好皮带
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上架后先测量底板水平
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因为我的LINN唱盘支架是墙架所以很方便调整弹簧
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装上唱臂,放上一张唱片,调整三个弹簧螺母使得KEEL臂板与木头边框基本同平面
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并保持盘面水平
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三个弹簧粗调完成后通过播放音乐检验盘面是否处在垂直震动,简单的方法就是播放音乐时按动轴心,此时唱头不会跳针为最佳(注意慢慢给力哈)