diyaudio上来的3886电路。

深情饼干

心痒痒的~~~~~~~~等你们都做好了 卖一个给我~~~[em11]

lsong

心动,行动中,着手购买元件

小野

哪位兄弟装好了,不知板上有没有错误,是不是按上面装上就OK,[em11]自己懒得去查

zysblm

按标装就可以了[em11][em11][em11]

yamuling

小野

手头有几只不错的22.1K,不知上了有没关系?请教各位大大?

pK

以下是引用小野在2005-12-27 20:07:00的发言：
图中的22K及47K是不是精确度要很高?

如果是那种能够听出K歌的某某是穿着拖鞋还是皮鞋的牛人……那阻值还是不要随便更改拉

zysblm

以下是引用小野在2005-12-27 20:07:00的发言：
手头有几只不错的22.1K,不知上了有没关系?请教各位大大?

[em11][em11]

charlle

以下是引用小野在2005-12-27 20:07:00的发言：
图中的22K及47K是不是精确度要很高?
手头有几只不错的22.1K,不知上了有没关系?请教各位大大?

zysblm兄说得是对的，这几个电阻决定了V/I转换因子，主要是配对要精确。具体可以看看前面wensan大侠的分析公式。

小野

忍不住发几张图来给大家看看<img src="attachments/dvbbs/2005-12/2005122922041553.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/2005-12/2005122922041553.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-12/200512292232954.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/2005-12/200512292232954.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-12/2005122922441319.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/2005-12/2005122922441319.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
大家帮忙看看用料是否合理

深情饼干

拉上大牛 听听呀 ~~

yamuling

容易不平衡阿

丹拿

就等大侠们的制作听音报告了。

小野

接上牛,可惜的是一声道出现自激,(3886发热很厉害,输出有0.2V直流)另一声道完全正常,怎么回事呀?哪位大侠帮帮忙

小野

问题出在那支150P电容断路,真要命[em11][em11][em11]

pK

以下是引用小野在2006-1-4 20:19:00的发言：
问题出在那支150P电容断路……

最近在搞BPA-200没时间弄这个……推什么箱箱？阴质如何？

charlle

真的要把板板放着看啊？

shjkl

AGND与GND是怎么回事，怎么两个地？
那怎么接啊？

胡汉三

胡汉三

<img src="attachments/dvbbs/2006-1/200612619958519.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/2006-1/200612619958519.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />