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我家隔壁的一个朋友把他的驾势P401拆开抄了。我自己亲自抄板,完全抄的原机的主板。不过原机末级是6对管。我只打算装3对。原机是600W的高偏甲乙类机机喔!原机是98年出的,当时是驾势的旗舰机型,现在二手的好象还要4万多大米呢。要是有人对这品牌不熟悉。。。恩。。。那它原机用的牛我估计是人人都能认得,就是那个Pli什么什么的牌子,忘了怎么拼了,那可是最好的洋垃圾牛,在材料网上总是被争相购买的对象[em01]
经过近一个月的备料,今天终于可以开工了!下午4点多钟就开始干。。。干到现在才把今天的计划做完。收工发图睡觉。
1200W的大牛好重啊。。。这是刚刚装好滤波电容和大牛的样子。。。难接的电源线基本都接好了,220V接线都是4平方的多芯特富龙镀银线,整流后的接线是6平方4N无氧铜单芯线两条并联,接线鼻子都是台湾进口无氧铜的!嘿嘿。。。这些工作用了近4个小时!!!别看这点东西。。。都是很耗时间的工作。。。
<img src="attachments/dvbbs/2006-3/20063204303421233.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/20063204303421233.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
这个玩意是串在220V零线上的,来个特写。是一个整流桥正负连到一起,两个交流一个入一个出,每只二极管上并一个3300uF的电容。大家猜猜是做什么用的。[em03]
<img src="attachments/dvbbs/2006-3/2006320433577292.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/2006320433577292.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
乱七八糟满地的工具。。。原装滴白光936焊台、CT的尖嘴钳、也是CT的压线钳、白光的螺丝刀、古董老虎钳,还有一大卷整整100米的6平方单芯4N无氧铜线(只露出来一段。。。),那白的和红的是4平方的多芯镀银线(没剩多少了。。。估计再做一台机器就没了),还有扒下来满地的线头,俺有个臭毛病,就是啥垃圾都往地下扔,等机器装完了最后再扫。。。
<img src="attachments/dvbbs/2006-3/20063204383287836.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/20063204383287836.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
嘻嘻。。。电压放大部分的稳压板。。。这个地方出的问题多多挖。。。都是整体规划时候出的失误[em08]
无奈机箱里没地方,装不下并联稳压,只好搞了个简单串联的。。。[em06]
而且。。。稳压是双桥整流的。。。变压器却做成了一个双绕组。。。只好。。。把每边的整流桥都剪掉一个腿用了。[em04]
<img src="attachments/dvbbs/2006-3/20063204405275209.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/20063204405275209.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
1200W高品质环型变压器特写,呵呵!整带的喔!不是一般的垃圾。北京世纪成信做的音响牛,俺们北京的音响厂用的都是它的牛喔!只是这个厂广告打的少些,实际上其实力不比恒达差半分。好的东西也贵挖。。。这一只牛要了我700多大米!比垃圾牛贵出了一倍去!
<img src="attachments/dvbbs/2006-3/20063204461864572.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/20063204461864572.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
IR的极品高速整流桥!型号是35MB120A。上图示仪测线性极好!内阻极低!内部4只二极管一致性出奇的好,不象一些国产垃圾,内部的4只二极管一致性都很差!!!但是这个玩意价格也贵的离谱,新的65元一只,还很难买到!在此向各位强烈推荐[em01]其实。。。偷偷的说一句。。。这个玩意在DZ98就有卖,不过是拆机的。10元一只,很值得买。在二极管——组合二极管那栏里。我用的这个是新的喔,隔壁的兄弟在中发电子城里买的。。。
<img src="attachments/dvbbs/2006-3/2006320455714920.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/2006320455714920.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
这回轮到稳压板上机了。牛的线接的比较别扭,嘿嘿。。。一大一小两只整带环牛[em03]看着就爽喔。
这里还有点小插曲。。。刚才把电源部分都装好了,上电测试的时候,这个稳压板上居然有个小电阻冒烟了。。。赶紧关机拆下来检查!居然发现。。。有一颗47K的限流电阻,我居然拿了4.7K装在了上面[em06]。。。我咋每次装机器都要犯一两次这种低级错误呢。。。最近好象没有一样作品是一次成功的。祈祷后面的测试不要再出问题了。。。。。。
<img src="attachments/dvbbs/2006-3/20063204572152961.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/20063204572152961.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
来张俯视的PP,线有点乱,呵呵。。。不过没办法,只能接成这样了。原厂机里也是这么多线,不过都被一些东西挡住,不把电路板拆下来看不到。甩着的3个线头是准备接主板的。
<img src="attachments/dvbbs/2006-3/2006320502196435.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/2006320502196435.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
今天最后一张图。主板装上了。上面黑压压一片都是HOLCO电阻,原本供给推动级的电源上面有4个保险丝,我没装,直接用导线连了。唉郁闷。。。忘了装电源指示灯了,明天再说。。。今天困死了,收工睡觉!明天开始调试电路。
<img src="attachments/dvbbs/2006-3/2006320520649620.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-3/2006320520649620.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /> |
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