我的LM4780也来了

莫明

文招

我这儿子身体抵抗能力太差，的确令人头疼[em02]

明9002

早日恢复健康

土八路

以下是引用文招在2005-2-11 0:39:00的发言：
儿子住院了，又是过年。近来真的没时间搞LM4780，要是往日的话，我最多收到货第二天就能开声了。
明天有空的话一定接线出声[em02][em02][em02]

[em02]

文招

儿子住院了，本人现刚从医院返回。又是过年。近来真的没时间搞LM4780，要是往日的话，我最多收到货第二天就能开声了。
明天有空的话一定接线出声[em02][em02][em02]

雨衣妹妹

文招

我用的是大三肯管的云母垫片，稍为俢改一些就行了[em08]

ozj

请推荐一种绝缘方法,是用云母垫片吗?

文招

一种扁脚的，一种圆脚的，扁脚的刻PCB钻洞难[em00]
所以只好用圆脚的，[em02][em02][em02]
<img src="attachments/dvbbs/2005-2/20052100112410.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/2005-2/20052100112410.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />反正对LM4780来说也够用了吧[em11][em11]

HQ

<img src="attachments/dvbbs/2005-2/20052100642921.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/2005-2/20052100642921.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

文招

现不得已降级，用的同样是小日本化工的10000uF/50V*4
桥堆是摩记的25A[em06]

HQ

文招

装不进我的机箱，今天用刀子刻了一块PCB安装新电容（晕死，年初一动刀子）<img src="attachments/dvbbs/2005-2/200529234656718.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/2005-2/200529234656718.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-2/200529234755441.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/2005-2/200529234755441.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-2/200529234846708.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/2005-2/200529234846708.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />[em10][em10][em10]

文招

交流电压双24V，我估计有实200W的功率[em08]

文招

<img src="attachments/dvbbs/2005-2/20052923304847.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/2005-2/20052923304847.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-2/200529233123847.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/2005-2/200529233123847.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

HQ

以下是引用骨灰在2005-2-9 23:05:00的发言：
你装的保护电路有没有电路图啊！或是印板啊！我要DIY一个。

我的LM4780也来了

文招

以下是引用骨灰在2005-2-9 23:05:00的发言：
你装的保护电路有没有电路图啊！或是印板啊！我要DIY一个。

HQ

以下是引用文招在2005-2-9 22:48:00的发言：
对寿命不利[em11][em11][em11]

骨灰

你装的保护电路有没有电路图啊！或是印板啊！我要DIY一个。

文招

并联后也有0R235,现我用0R22的，并联后只有0R11,较接近原厂的0R1[em06]
并联在电源上的RC网络我只装了电阻，等开声后再加上电容比较[em11][em11]