电脑电源功率。

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由于开关电源具有输出电压稳定、体积小、重量轻、能输出多种不同的直流电压等等多种优点,因此广泛应用到各种较高档的电器设备当中.但由于开关电源电路的结构复杂,工作原理难于理解,同时它的故障率也较高,因此一直困扰着大多数的电子维修人员,甚至有些维修人员有扩大故障范围的现象. &&&&本片是专家经过多年实践经验的总结,粗辟地分析了当今最有代表性开关电源的工作原理与常见故障现象及其排除方法.是一部不可错过的教学片. &&&&(1) 一、开关电源的分类 (2) 二、开关电源的分类 三、基本电路形式 四、开关电源的电路分析 &&&&(一)、常规变压器耦合型自激调频式开关电源电路分析 1、整流输入及整流滤波回路 2、开关管导通回路 3、启动电路 &&&&4、形成自激振荡的正反馈电路 (3) 5、脉宽调整电路 6、开关脉冲电路中三极管的保护电路 &&&&7、输入端电源电压过压保护电路 8、自动稳压电路 9、多路直流电压输出电路 10、遥控开关机电路 (4) &&&&(二)、开关管恒流激励开关电源 1、交流输入及整流滤波电路 2、开关管的主电流回路 3、启动电路 &&&&4、常规自激振荡电路 5、恒流激励电路 6、分流调整电路 7、开关管延时导通电路 8、过压保护电路 &&&&9、自动稳压电路 10、欠压保护电路 (5) 11、过流保护电路 12、待机状态下的弱振荡电路 &&&&13、开关管过流时低压原件保护电路 五、开关电源的故障分
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联想笔记本电脑电源管理驱动Energy Management 1.67.09.03
联想笔记本电脑电源管理驱动Energy Management 1.67.09.03
Lenovo联想ThinkPad笔记本电源管理驱动1.67.09.03版For Win7-32/Win7-64/Win8-32/Win8-64/Win8.1-32/Win8.1-64(日发布)该驱动为联想ThinkPad笔记本电脑的电源管理驱动的最新版,版本号为1.67.09.03。推荐需要的用户下载使用。
ThinkPad 570E机型:
& 当从挂起状态将机器从端口复制器脱离时挂起服务
& 不支持 Fn + F3/F12功能键
该版本更新内容如下:
1、增加支持ThinkPad X1 Carbon (Machine types: 20BS, 20BT)
2、增加支持ThinkPad S5 Yoga 15
3、修复了下面机型更新该程序后可能启动失败的问题:
[Windows 8.1
& ThinkPad 8, 10, 11e
& ThinkPad Helix
& ThinkPad L430
& ThinkPad L530
& ThinkPad S1 Yoga
& ThinkPad S3-S431
& ThinkPad S5-S531
& ThinkPad S430
& ThinkPad T430, T430i, T430s, T430si, T430u, T431s, T440,T440p, T440s
& ThinkPad T530, T530i, T540p
& ThinkPad Tablet 2
& ThinkPad Twist S230u
& ThinkPad W530, W540
& ThinkPad X1 Carbon (Machine types: 34xx)
& ThinkPad X1 Carbon (Machine types: 20A7, 20A8)
& ThinkPad X1 Helix, X1 Helix 3G
& ThinkPad X120e, X131e
& ThinkPad X230, X230i, X230 Tablet, X230i Tablet, X230s, X240,X240s
& ThinkPad Yoga
& ThinkPad Edge E120, E125, E130, E135
& ThinkPad Edge E220s
& ThinkPad Edge E320, E325, E330, E335
& ThinkPad Edge E420, E420s, E425, E430, E430c, E431, E435,E445
& ThinkPad Edge E520, E525, E530, E530c, E531, E535, E545
& ThinkPad Helix
& ThinkPad L330
& ThinkPad L420, L421, L430
& ThinkPad L520, L530
& ThinkPad S3-S431
& ThinkPad S5-S531
& ThinkPad S430
& ThinkPad T430, T430i, T430s, T430si, T430u, T431s, T440,T440p, T440s
& ThinkPad T530, T530i, T540p
& ThinkPad Tablet 2
& ThinkPad Twist S230u
& ThinkPad W530, W540
& ThinkPad X1
& ThinkPad X1 Carbon (Machine types: 34xx)
& ThinkPad X1 Carbon (Machine types: 20A7, 20A8)
& ThinkPad X1 Helix, X1 Helix 3G
& ThinkPad X100e, X120e, X130e, X131e, X140e
& ThinkPad X230, X230i, X230 Tablet, X230i Tablet, X230s, X240,X240s
& ThinkPad Edge E120, E125, E130, E135
& ThinkPad Edge E220s
& ThinkPad Edge E320, E325, E330, E335
& ThinkPad Edge E420, E420s, E425, E430, E430c, E431, E435,E445
& ThinkPad Edge E520, E525, E530, E530c, E531, E535, E545
& ThinkPad Edge S430
& ThinkPad Helix
& ThinkPad L330
& ThinkPad L420, L421, L430
& ThinkPad L520, L530
& ThinkPad S1 Yoga
& ThinkPad S3-S431
& ThinkPad S5-S531
& ThinkPad T430, T430i, T430s, T430si, T430u, T431s, T440, T440p, T440s
& ThinkPad T530, T530i, T540p
& ThinkPad Twist S230u
& ThinkPad W530, W540
& ThinkPad X1
& ThinkPad X1 Carbon (Machine types: 34xx)
& ThinkPad X1 Carbon (Machine types: 20A7, 20A8)
& ThinkPad X1 Helix, X1 Helix 3G, X1 Hybrid
& ThinkPad X100e, X120e, X130e, X131e, X140e
& ThinkPad X230, X230i, X230 Tablet, X230i Tablet, X230s, X240,X240s
& ThinkPad Yoga 11e
Windows Vista
& ThinkPad Edge E10, E30, E31, E40, E50
& ThinkPad L410, L412
& ThinkPad L510, L512
& ThinkPad SL410, SL510
& ThinkPad T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43,T43p, T60, T60p, T61, T61p,T400, T400s, T410, T410i, T410s, T410si, T420, T420i, T420s,T420si,T500, T510, T510i, T520, T520i
& ThinkPad X20, X21, X22, X23, X24, X30, X31, X32, X40, X41, X41 Tablet,X60, X60s, X60 Tablet, X61, X61s, X61 Tablet,X200, X200s, X200 TabletX201, X201i, X201s, X201si, X201 Tablet,X201i Tablet, X220, X220i, X220 Tablet, X220i Tablet, X300, X301
& ThinkPad W500, W510, W520, W700, W700ds, W701, W701ds
& ThinkPad R30, R31, R32, R40, R40e, R50, R50e, R50p, R51, R51e, R52,R60, R60e, R60i, R61, R61e, R61i, R400, R500
& ThinkPad G40, G41
& ThinkPad Z60m, Z60t, Z61e, Z61m, Z61p, Z61t
& ThinkPad 570E
& ThinkPad A20m, A20p, A21e, A21m, A21p, A22e, A22m, A22p
& ThinkPad A30, A30p, A31, A31p
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