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单元板的维修和检测【认识芯片】【3】

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笑问天 发表于 2009-6-3 17:52:17 | 显示全部楼层 |阅读模式

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【4953 2007117135930223.jpg STM4953--Pins.gif

其内部是两个CMOS管,1、3脚VCC,2、4脚控制脚,2脚控制7、8脚的输出,4脚控制5、6脚的输出,只有当2、4脚为“0”时,7、8、5、6才会输出,否则输出为高阻状态。

【hc04】
74HC04.jpg u=776001056,3203082437&fm=0&gp=6.jpg
高速CMOS--六反相器.
对称的传输延迟和转换时间
相对于LSTTL逻辑IC,功耗减少很多
HC Types
- 工作电压:2V到6V
- 高抗扰度: NIL = 30%, NIH= 30% of VCC at VCC = 5V
HCT Types
- 工作电压:4.5V到5.5V
- 兼容直接输入LSTTL逻辑信号, VIL= 0.8V (Max), VIH = 2V (Min)
- 兼容CMOS逻辑输入, Il  1μA at VOL, VOH


二、 LED显示屏常见信号的了解

    CLK时钟信号:提供给移位寄存器的移位脉冲,每一个脉冲将引起数据移入或移出一位。数据口上的数据必须与时钟信号协调才能正常传送数据,数据信号的频率必须是时钟信号的频率的1/2倍。在任何情况下,当时钟信号有异常时,会使整板显示杂乱无章。

    STB锁存信号:将移位寄存器内的数据送到锁存器,并将其数据内容通过驱动电路点亮LED显示出来。但由于驱动电路受EN使能信号控制,其点亮的前提必须是使能为开启状态。锁存信号也须要与时钟信号协调才能显示出完整的图象。在任何情况下,当锁存信号有异常时,会使整板显示杂乱无章。

    EN使能信号:整屏亮度控制信号,也用于显示屏消隐。只要调整它的占空比就可以控制亮度的变化。当使能信号出现异常时,整屏将会出现不亮、暗亮或拖尾等现象。

    数据信号:提供显示图象所需要的数据。必须与时钟信号协调才能将数据传送到任何一个显示点。一般在显示屏中红绿蓝的数据信号分离开来,若某数据信号短路到正极或负极时,则对应的该颜色将会出现全亮或不亮,当数据信号被悬空时对应的颜色显示情况不定。

    ABCD行信号:只有在动态扫描显示时才存在,ABCD其实是二进制数,A是最低位,如果用二进制表示ABCD信号控制最大范围是16行(1111),1/4扫描中只要AB信号就可以了,因为AB信号的表示范围是4行(11)。当行控制信号出现异常时,将会出现显示错位、高亮或图像重叠等现象。
* 判断问题必须先主后次方式的处理,将明显的、严重的先处理,小问题后处理。

短路应为最高优先级。

1、  电阻检测法,将万用表调到电阻档,检测一块正常的电路板的某点的到地电阻值,再检测另一块相同的电路板的同一个点测试与正常的电阻值是否有不同,若不同则就确定了问题的范围。

2、  电压检测法,将万用表调到电压档,检测怀疑有问题的电路的某个点的到地电压,比较是否与正常值相似,否则确定了问题的范围。

3、  短路检测法,将万用表调到短路检测挡(有的是二极管压降档或是电阻档,一般具有报警功能),检测是否有短路的现象出现,发现短路后应优先解决,使之不烧坏其它器件。该法必须在电路断电的情况下操作,避免损坏表。

4、  压降检测法,将万用表调到二极管压降检测档,因为所有的IC都是由基本的众多单元件组成,只是小型化了,所以在当它的某引脚上有电流通过时,就会在引脚上存在电压降。一般同一型号的IC相同引脚上的压降相似,根据引脚上的压降值比较好坏,必须电路断电的情况下操作。该方法有一定的局限性,比如被检测器件是高阻的,就检测不到了。
单元板走线方式与常见问题的处理步骤

    1/16单元板走线方式:

    1/8单元板3种走线方式:

    静态灯板的走线方式:

**上述仅为部分走线方式。对未知的单元板,维修前须要测量得知其走线方式,方便下步维修以提高工作效率。

单元板故障:



A.整板不亮

1、  检查供电电源与信号线是否连接。

2、  检查测试卡是否以识别接口,测试卡红灯闪动则没有识别,检查灯板是否与测试卡同电源地,或灯板接口有信号与地短路导致无法识别接口。(智能测试卡)

3、  检测74HC245有无虚焊短路,245上对应的使能(EN)信号输入输出脚是否虚焊或短路到其它线路。

注:主要检查电源与使能(EN)信号。

B.在点斜扫描时,规律性的隔行不亮显示画面重叠

1、  检查A、B、C、D信号输入口到245之间是否有断线或虚焊、短路。

2、  检测245对应的A、B、C、D输出端与138之间是否断路或虚焊、短路。

3、  检测A、B、C、D各信号之间是否短路或某信号与地短路。

注:主要检测ABCD行信号。

C.全亮时有一行或几行不亮

1、检测138到4953之间的线路是否断路或虚焊、短路。

D.在行扫描时,两行或几行(一般是2的倍数,有规律性的)同时点亮

1、  检测A、B、C、D各信号之间是否短路。

2、  检测4953输出端是否与其它输出端短路。

E.全亮时有单点或多点(无规律的)不亮

1、  找到该模块对应的控制脚测量是否与本行短路。

2、  更换模块或单灯。

F.全亮时有一列或几列不亮

1、  在模块上找到控制该列的引脚,测是否与驱动IC(74HC595/TB62726、、、)输出端连接。

G.有单点或单列高亮,或整行高亮,并且不受控

1、  检查该列是否与电源地短路。

2、  检测该行是否与电源正极短路。

3、  更换其驱动IC。

H.显示混乱,但输出到下一块板的信号正常

1、  检测245对应的STB锁存输出端与驱动IC的锁存端是否连接或信号被短路到其它线路。

I.显示混乱,输出不正常

1、  检测时钟CLK锁存STB信号是否短路。

2、  检测245的时钟CLK是否有输入输出。

3、  检测时钟信号是否短路到其它线路。

注:主要检测时钟与锁存信号。

J.显示缺色

1、  检测245的该颜色的数据端是否有输入输出。

2、  检测该颜色的数据信号是否短路到其它线路。

3、  检测该颜色的驱动IC之间的级连数据口是否有断路或短路、虚焊。

注:可使用电压检测法较容易找到问题,检测数据口的电压与正常的是否不同,确定故障区域。

K.输出有问题

1、  检测输出接口到信号输出IC的线路是否连接或短路。

2、  检测输出口的时钟锁存信号是否正常。

3、  检测最后一个驱动IC之间的级连输出数据口是否与输出接口的数据口连接或是否短路。

4、  输出的信号是否有相互短路的或有短路到地的。

5、  检查输出的排线是否良好。

整屏故障:



A.整屏不亮(黑屏)

1、检测供电电源是否通电。

2、检测通讯线是否接通,有无接错。(同步屏)

3、同步屏检测发送卡和接收卡通讯绿灯有无闪烁。

4、电脑显示器是否保护,或者显示屏显示领域是黑色或纯蓝。(同步屏)

B.整块单元板不亮(黑屏)

1、连续几块板横方向不亮,检查正常单元板与异常单元板之间的排线连接是否接通;或者芯片245是否正常,

2、连续几块板纵方向不亮,检查此列电源供电是否正常。

C.单元板上行不亮

1、查行脚与4953输出脚是否有通。

2、查138是否正常。

3、查4953是否发烫或者烧毁。

4、查4953是否有高电平。

5、查138与4953控制脚是否有通。

D.单元板不亮

1、查595是否正常。

2、查上下模块对应通脚是否接通。

3、查595输出脚到模块脚是否有通。

E.单元板缺色

1、查245  R.G数据是否有输出。

2、查正常的595输出脚与异常的595输入脚是否有通


下面录像是更换一个芯片【595】个过程



全彩条屏卡
hongzikai 发表于 2009-6-3 18:37:43 | 显示全部楼层
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热风 发表于 2009-6-3 20:07:55 | 显示全部楼层
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134,87,135,89,136,90,138,91,138,93,143,98,143,100,145,101,145,102,146,104,147,105,148,108,149,110,150,111,151,113,153,115,154,117,155,118,155,119,156,121 157,122,157,124,159,126,159,128,161,130,162,132,162,133,163,134,164,136,164,137,165,139,166,140,166,144,167,145,168,147,168,151,170,153,170,157,171,159,172,160 172,163,173,165,174,166,174,167,175,169,175,171,176,173,177,174,177,178,178,179,178,180,179,180,179,185,180,186,181,188,182,188,182,189,183,189,183,190,184,190 185,191,185,196 e|********0.75; m182,182 l182,164,183,161,183,155,184,153,184,149,185,147,185,144,186,143,187,141,187,140,188,138,189,137,189,136,190,134,191,133,191,132,192,130,193,129,193,128,196,123 197,121,197,120,198,118,200,115,200,114,201,112,202,111,202,107,203,106,204,104,204,103,205,100,206,99,206,93,208,91,209,89,209,85,210,80,210,77,211,75 212,74,212,73,213,71,214,70,214,69,215,67,216,66,216,65,223,58,225,57,226,57,228,56,229,55,232,54,233,53,235,52,236,52,238,51,239,50,240,50 242,49,243,48,246,48,247,47,249,46,270,46,271,47,276,47,277,48,280,48,281,49,282,49,285,51,287,52,300,65,303,69,305,71,311,79,312,80,314,81 315,83,316,84,316,85,317,87,317,91,318,94,318,99,319,100,319,104,317,103,316,101,314,100,313,97,312,95,311,94,308,90,307,88,305,85,304,84,303,81 301,79,300,77,298,75,297,73,296,72,295,70,293,68,292,66,290,65,289,63,286,62,284,61,283,60,281,59,280,58,279,58,277,57,276,56,275,56,273,55 272,54,251,54,250,55,247,55,246,56,245,56,245,57,240,57,238,58,224,58,223,59,222,59,222,60,221,60,219,61,218,62,217,62,215,63,215,64,214,64 213,65,211,66,209,68,207,69,206,70,204,70,203,71,202,73,201,73,200,74,199,74,198,76,197,76,197,77,196,79,195,80,195,83,194,84,193,86,193,87 192,88,191,90,191,92,190,94,188,96,188,101,187,103,186,104,186,111,184,113,184,117,183,119,182,120,182,125,181,126,180,128,180,129,179,130,178,132,178,133 177,134,176,136,176,144,177,145,177,148,178,148 e|********* m185,169 l184,167,182,164,182,163,178,155,178,154,177,152,176,151,176,149,167,140,165,139,164,138,162,137,159,135,158,134,156,134,153,131,152,131,150,130,149,129,148,129 146,128,145,127,144,127,142,126,140,124,138,124,137,123,114,123,112,125,110,125,105,130,105,134,104,136,104,141,103,143,102,144,102,155,100,157,99,159,99,172 98,173,96,177,96,181,94,183,94,185,95,184,97,184,98,182,100,181,101,179,103,177,104,175,104,174,105,172,106,171,106,170,107,167,108,165,110,162,110,161 111,159,112,158,112,157,113,156,114,154,115,153,116,151,118,150,118,149,119,147,123,143,124,143,126,142,128,140,130,139,132,137,134,136,135,136,136,135,140,135 142,136,143,137,144,137,146,138,147,139,148,141,148,142,150,143,151,145,153,146,154,148,155,149,155,150,158,153,159,155,160,156,161,158,163,159,164,160,165,162 167,163,168,165,170,167,171,167,171,168,172,168,173,170,175,171,177,173,177,174,178,174,178,175,179,175,179,184 e|********* m181,191 l182,190,182,187,183,186,184,184,184,172,185,171,185,152,183,150,183,139,185,137,185,135,187,134,188,132,189,132,191,131,192,130,199,130,201,128,206,128,207,127 210,126,214,126,216,125,218,123,231,123,233,124,234,125,238,125,239,126,241,127,242,127,244,128,245,129,246,129,248,130,249,131,250,131,252,132,253,133,254,133 256,134,257,135,259,136,260,138,261,138,263,139,266,142,268,146,274,152,275,154,276,154,276,155,277,155,277,156,278,157,279,159,279,162,281,164,281,166,279,165 276,162,272,159,271,158,269,157,268,155,267,155,266,153,265,152,263,151,262,149,259,146,258,144,257,143,255,142,254,142,251,139,250,139,247,138,245,137,243,137 241,136,240,135,221,135,219,136,218,137,216,137,214,139,212,140,210,142,208,143,207,143,204,146,203,148,199,150,198,151,196,152,192,156,192,158,191,159,190,161 190,162,189,163,188,165,188,171,187,172,186,174,185,175,185,177,183,179,183,180,182,180,181,182,179,184 e|********* m177,184 l177,168,178,167,178,147,179,145,179,143,181,139,182,138,182,137,183,135,184,134,184,109,185,107,185,57,186,56,186,55,187,52,188,51,188,49,190,48,190,46 192,44,193,42,195,41,196,39,197,38,199,37,200,36,202,35,205,35,210,40,210,41,212,42,213,44,216,47,216,48,219,51,220,53,222,55,223,57,223,58 225,61,226,63,227,64,228,66,229,67,231,70,232,72,232,73,235,76,235,78,237,81,238,82,240,85,241,87,241,90,242,91,243,93,244,96,246,98,246,100 248,104,250,109,251,110,253,114,255,119,256,120,256,123,252,119,252,118,251,116,249,114,248,112,246,109,245,108,242,104,242,103,241,102,240,100,239,99,238,97 236,96,234,93,233,91,232,90,229,86,227,82,227,81,224,78,223,76,223,75,222,74,221,72,220,71,219,69,219,68,218,67,217,65,215,63,214,61,213,60 212,58,211,58,210,56,207,53,205,52,203,50,202,50,201,49,187,49,187,52,188,53,188,56,189,57,190,59,190,79,189,81,188,82,188,90,186,92,186,98 185,99,184,99,184,106,183,106,182,107,182,120,181,121,180,123,180,129,179,130,178,132,178,138,176,140,176,143,175,145,174,146,174,147,173,149,172,150,172,151 171,151,171,173,172,173,172,174,174,176,174,177,175,177,175,180,176,180,176,181,177,182,177,183,179,184,180,186,182,187,183,188,184,190,185,190,186,191,186,192 e|********* m173,187 l173,183,175,181,175,179,176,179,176,178,178,177,180,175,182,175,183,174,186,173,190,172,191,171,193,171,194,170,197,169,198,168,200,168,202,166,203,166,204,165 210,165,212,167,214,167,216,169,218,169,219,170,221,171,226,176,228,180,230,182,226,182,224,180,222,180,220,178,218,177,182,177,181,178,179,178,179,179,178,179 178,180,177,180,175,182,172,182 e|********* m178,178 l179,177,179,176,180,176,180,173,178,172,177,170,176,170,175,169,173,169,171,167,169,167,168,166,153,166,151,167,150,168,149,168,149,169,147,171,147,179,148,181 148,179,149,177,149,176,151,175,153,173,164,173,166,174,167,175,169,175,171,177,173,177,173,178,174,178,177,181,177,182,178,182,178,184 e|******#c33;** m123,23 l120,23,119,24,115,24,114,25,110,25,109,26,105,26,104,27,102,27,102,28,101,28,100,30,100,31,99,32,99,36,101,37,101,39,102,39,104,41,106,41 107,42,110,42,110,43,111,43,112,44,113,44,113,45,114,46,114,47,115,47,115,49,116,51,116,52,117,52,117,53,121,57,123,57,125,59,133,59,134,58 136,57,137,56,138,56,138,55,139,53,139,48,141,50,143,51,144,52,154,52,156,51,157,50,158,50,159,48,160,47,160,46,161,44,161,31,160,31,158,29 156,28,155,27,153,26,152,26,151,25,151,24,150,24,148,23,147,22,141,22,140,21,140,20,139,18,138,17,138,16,137,16,137,15,136,15,136,14,135,14 133,12,130,12,129,13,128,15,128,17,126,17,125,18,117,18,117,19,116,20,116,29 e|********* m158,10 l157,10,157,4,158,4,158,3,159,2,176,2,177,3,178,5,178,6,179,8,179,10,178,12,177,13,177,16,178,16,180,17,180,18,181,18,182,20,184,21 185,22,187,26,187,32,186,33,185,35,183,37,182,37,180,38,178,40,170,40,169,39,167,38,166,38,166,37,164,35,163,33,163,32,162,31,162,30,161,30 160,29,160,28,159,28,159,27,158,27,158,26,157,26,156,25,156,24,155,24,155,23,154,23,153,22,152,22,152,21,145,21,145,20,144,19,144,13,145,13 145,12,154,12,154,11,155,10,155,8,156,8,156,7 e|******#cf0;** m130,27 l130,28,129,29,129,34,130,34,130,33,131,32,131,31,132,31,132,30,135,33,135,36,128,36,128,39,129,38,130,38,130,37,134,37 e|********* m127,23 l125,23,125,24,124,24,124,25,123,25,123,30,124,30,124,31,127,31,128,30,128,28 e|********* m128,27 l129,27,129,28,130,30,131,30,131,31,132,31,132,32,133,33,134,32,134,31,135,31,136,30,136,26 e|********* m123,35 l123,36,124,37,124,38,125,38,127,40,127,41,128,41,129,40,129,33 e|********* m166,14 l166,19,167,20,168,20,169,19,169,16,168,15,167,15,167,14,165,14 e|********* m160,14 l158,14,158,16,159,17,159,18,161,18,161,17,162,16,163,16,163,14 e|********* m165,12 l166,12,166,11,167,10,170,10,170,11,171,11,173,13,173,15,172,15,170,17,170,18,169,18 e|********* m162,14 l162,16,163,16,163,17 e|******;** m129,35 l132,38,133,38,133,39,134,40,134,41,135,43,135,44,136,46,138,48,138,50 e|********* m126,42 l126,48 e|********* m122,36 l119,36,119,37,118,37 e|********* m117,28 l121,28,121,29,123,29,126,32,126,33 e|********* m128,27 l128,24,129,23,129,22,131,20 e|********* m134,29 l134,28,135,28,135,27,145,27 e|********* m132,33 l136,33,136,34,138,34,142,38 e|********* m169,19 l171,21,171,24,172,24,172,26 e|********* m166,18 l158,18 e|********* m163,15 l164,14,164,11,163,11,161,9,161,8,160,8,160,7,158,7,156,5,154,5 e|******#930;** m178,134 l178,129,177,128,176,126,176,76,174,74,174,67,172,65,172,63,170,61,170,59,169,58,169,53,168,53,167,52,167,50,166,49,165,49,165,48,164,47,164,45 163,45,162,44,162,43,161,43,161,41,160,40,160,37,161,36,161,42,162,43,162,45,159,45,158,46,159,46,163,50,164,50,164,51,165,52,166,52,166,53 167,53,167,65,168,65,168,66,169,66,169,67,170,67,171,69,171,71,172,72,172,75,173,76,173,79,174,79,174,87,175,88,175,106,174,106,173,107,173,110 e|********* m180,131 l180,130,179,129,179,120,180,118,180,114,181,113,181,108,182,105,183,104,183,102,185,100,185,97,186,96,186,74,185,72,183,70,183,67,182,66,181,64,180,63 180,62,179,60,179,59,178,59,176,57,175,57,173,56,172,55,167,55,167,54,165,53,150,53,148,51,138,51,139,52,146,52,147,53,151,53,152,54,156,54 157,55,158,55,160,56,161,56,162,57,162,58,163,58,163,59,164,59,166,61,166,62,167,62,167,63,168,63,170,65,170,66,171,66,172,67,173,67,173,68 174,69,174,73,175,73,175,85,176,85,176,84,177,83,177,75,178,76,180,77,180,79,182,81,182,92,180,94,180,97,179,98,178,100,178,105,176,107,176,125 e|********* m165,42 l166,42,166,43,167,44,167,66,168,68,168,70,169,72,169,77,170,78,170,81,171,82,172,84,172,85,173,86,174,88,174,90,175,91,175,95,176,97,176,102 177,103,177,108,178,110,178,116,179,118,179,120,180,119,180,98,179,96,178,96,178,95,177,95,176,93,176,92,175,91,174,89,174,87,173,85,172,84,172,76 170,74,170,46,169,45,168,45,168,42,167,41,166,41,166,40,165,40,165,39,164,38,163,38,163,32 e|********* m167,135 l166,133,166,132,164,130,164,129,163,128,162,126,161,125,159,122,158,120,158,119,156,118,155,116,153,115,151,111,149,110,145,106,143,105,135,97,133,96,132,96 131,95,129,94,128,93,127,93,125,92,122,91,121,91,119,90,118,89,114,89,113,90,111,91,110,93,106,97,106,98,105,100,104,101,104,103,103,105,102,106 102,109,110,101,112,101,113,100,123,100,125,102,127,102,128,103,130,104,132,106,134,107,135,109,136,109,138,110,148,120,148,121,149,123,150,123,150,124,152,125 154,127,154,128,155,130,156,131,156,132,157,133,157,134,158,134 e|********* m178,175 l178,167,179,165,180,164,181,162,183,159,188,154,189,152,190,152,191,151,191,150,207,150,209,151,211,153,213,154,216,157,205,157,204,158,202,159,201,160,199,161 198,163,197,164,196,166,194,168,193,170,192,170,192,171,191,171,191,172,190,173,190,174,189,175,188,177,188,178,187,179,187,181,183,185,183,186,181,188,180,188 179,189,176,189,175,188,175,182 e|******;#336;1.5; m139,51 l140,51,141,53,143,53,147,57,148,57,149,58,151,59,152,59,155,62,156,64,158,65,159,67,161,68,165,72,166,74,170,78,171,81,173,82,173,83,174,85 175,86,176,88,176,89,177,90,178,92,178,93,179,94,180,96,180,97,181,98,182,100,182,101,183,103,183,109,184,110,184,127 e|********* m179,126 l178,126,178,118,177,116,176,115,176,112,174,110,174,106,173,105,172,102,171,100,171,97,170,96,169,94,169,92,167,86,167,77,166,76,165,74,165,46,166,46 166,40 e|********* m172,58 l172,59,173,61,173,106 e|********* m179,86 l179,134,180,135 e|********* m184,127 l185,125,185,124,186,123,188,119,189,118,189,108,190,108,191,113,191,116,190,117,188,122,187,126,187,127,186,129,185,130,185,131,184,133,183,134,183,132,184,130 184,126,185,126,185,125,183,127,183,128,182,130,181,131,180,133,180,140,179,144,178,145,177,147,176,148,176,149,175,153,174,154,174,152 e|********* m182,165 l183,166,183,167,184,171,184,173,182,175,182,177,180,179,180,169,181,168,181,174,180,177,179,179,178,179 e|********* m183,176 l183,184,181,186,181,187 e|********* m189,180 l189,182,187,185,186,187,186,188,187,187,187,185,189,183,190,181,191,180,191,179,192,179,192,182,191,184,190,187,189,188,189,189,188,191,187,191,187,190,188,189 188,187 e|********* m158,174 l159,175,161,178,163,179,164,181,166,182,167,184,168,185,169,187,170,187,170,185,169,182 e|********* m166,173 l168,175,172,180,173,181,177,184,179,187,180,189,181,189,181,188,180,185 e|********* m175,174 l175,175,177,176,178,179,179,181,179,187,180,189,180,191 e|********* m154,178 l154,179,156,180,157,182,158,183,158,184,159,184,159,185 e|********* m152,175 l153,176,159,184,163,188,164,190,166,191,167,193,168,193 e|********* m170,173 l169,174,167,175,166,177,165,181,162,187,162,188,161,189,160,189,160,190 e|********* m158,183 l155,183,154,184,153,186,152,187,152,188,149,188,145,187,142,184,139,182,135,181,132,178,128,175,125,172,122,170,121,169,122,169,126,172,128,173,129,174,133,177 135,178,139,182,144,186,146,187,147,188,148,188,149,189,149,188,148,187,147,185,145,182,143,181,139,176,136,173,135,173,136,174,141,177,153,187,156,188,160,192 163,193,165,194,165,192,161,188,158,182,158,181,156,180,155,179,132,179,131,180,130,180,129,181,127,181,126,182,126,181 e|********* m168,179 l161,178,159,178,170,180,176,181,185,182,193,184,207,186,210,187,174,187,172,186,171,185,168,185 e|********* m100,183 l111,183,129,186,140,188,152,190,163,192,175,194,186,195,206,198,232,198,236,199,247,199 e|********* m149,185 l203,185,211,183,220,181,225,179,229,178,232,176,237,176 e|********* m130,185 l131,185,137,187,153,189,173,193,183,194,195,195,205,196,260,196,263,197,265,197 e|********* m174,181 l185,182,192,183,197,184,243,184,249,183,259,180,262,178,263,177,265,176,267,174,265,173,206,173 e|********* m252,183 l174,183,178,185,192,189,202,191,238,194,283,194,286,195,287,195 e|********* m259,84 l264,84,266,86,268,87,272,91,273,91,274,92,275,92 e|********* m261,119 l261,117,262,116,263,113,268,108,271,106,272,105,276,103,278,101,280,101,281,100,284,100,284,101,285,103,286,106,286,107,285,110,284,111,282,115,282,116,279,119 277,123,275,124,275,126,274,127,273,130,273,131,272,135,271,137,271,141,273,143,280,143,281,142,283,141,284,140,285,140,287,138,288,138,289,136,290,135,290,131 e|********* m281,85 l282,84,307,84,305,86,298,100,297,105,295,110,294,114,294,118,293,120,293,128,292,129,291,131,291,136 e|********* m295,97 l296,96,300,94,303,93,308,93,309,94,310,96,311,101,312,105,312,122,313,123,314,126,314,128,315,132,316,133,316,134,317,140,318,144,319,145,320,149,320,151 321,152,322,155,322,162,323,163,323,190,321,189,318,186,313,182,310,179,307,177,300,170,300,168,298,166,296,160,296,159,295,157,295,152 e|********* m296,108 l299,108,301,109,304,109,305,110 e|********* m294,118 l295,118,296,119,302,119 e|********* m277,128 l288,128,289,129,299,129,302,130,307,130 e|********* m312,130 l312,131,310,133,309,135,306,138,305,140,303,141,302,142,301,144,299,145,298,147,291,154,290,154,288,156,287,156 e|********* m303,129 l304,129,305,128,309,127,311,127,314,126,317,126,318,125,320,124,346,124,349,125,349,124 e|********* m330,95 l334,99,336,103,337,104,338,106,339,110,339,114,340,116,340,126,341,131,341,149,340,150,339,152,337,154,336,154,334,155,333,156,330,156,329,155,325,153,324,153 323,152,321,151,319,149,319,148,318,146 e|********* m321,133 l324,133,326,134,327,135,329,136,331,138,331,139,332,139 e|********* m357,118 l355,118,355,119,354,121,353,121,353,123,352,124,351,126,351,130,352,132,354,134,357,134,357,133,359,132,360,130,360,129,361,128,362,126,362,122,361,122,360,121 360,120,359,120,359,119,357,118,357,117,356,117,356,116 e|********* m364,123 l372,123,375,120,375,119,377,117,378,115,378,105,377,105,374,108,374,137,375,138,375,156,372,159,370,160,369,160,367,159,363,155,362,152,362,149,365,146,365,144 367,143,369,140,370,138,371,137,372,135,373,134,373,133,374,131,375,131,375,129,376,129,376,127 e|********* m382,109 l383,109,384,110,385,110,385,111,387,113,388,115 e|********* m377,132 l377,130,378,129,378,128,380,126,381,126,385,122,387,121,388,120 e|********* m384,125 l383,127,383,128,380,131,379,134,378,135,377,137,376,138,376,140 e|********* m392,121 l393,121,393,127,392,128,391,130,389,132,388,134,386,135,385,137,383,137,383,138,382,139,380,139,379,140,375,140,377,138,378,138,380,137,395,137 e[/whitepad]
 楼主| 笑问天 发表于 2009-6-3 20:22:26 | 显示全部楼层
[whitepad]***400;200;400,200;;#c33;* m97,193 l99,193,100,194,181,194,184,193,194,193,196,192,197,191,200,190,202,190,206,188,209,187,211,186,213,184,215,184,221,181,226,180,229,180,231,178,235,177,237,176 239,174,242,174,244,173,247,171,249,170,251,168,253,167,256,165,257,163,264,156,264,154,266,153,266,152,267,149,269,145,269,143,270,142,271,139,271,138,274,135 274,132,276,130,276,127,278,125,278,122,279,121,279,118,280,117,281,115,281,113,282,111,282,69,283,68,283,66,284,65,284,64,285,63,285,62,286,62,286,60 287,60,287,58,288,58,290,56,292,56,292,55,293,54,294,54,294,53,296,53,296,54,298,56,298,64,299,64,299,78,300,78,300,87,301,88,302,90,302,102 304,106,304,108,305,109,306,111,306,115,307,116,308,118,308,125,309,126,309,128,310,128,311,130,311,131,312,132,312,136,313,136,313,138,314,140,315,141,318,147 318,148,319,151,321,153,322,155,324,157,326,160,327,161,328,163,332,165,334,168,336,169,337,170,339,171,340,171,341,172,343,173,347,173,348,174,350,175,353,175 354,176,358,176,360,178,364,178,365,179,368,180,386,180,386,181,396,181 e|********* m112,193 l112,192,113,191,113,149,114,146,115,144,115,138,116,134,117,129,118,125,119,123,119,97,117,93,117,91,116,89,116,78,115,78 e|********* m115,105 l114,105,113,104,112,104,111,103,110,103,108,102,107,101,105,100,102,100,100,98,95,96,92,95,90,93,88,92,87,91,84,90,82,88,81,88,80,86,79,85 78,83,76,81,75,79,73,77,72,75,72,73,69,67,69,63,68,60,68,47,69,47,69,46,71,45,72,43,74,42,75,41,77,41,79,40,80,39,83,39 84,38,88,36,90,34,92,34,94,32,95,32,99,30,100,29,102,29,104,28,105,28,107,27,131,27,132,28,136,28,137,29,138,29,140,31,140,32,141,35 142,36,143,38,144,41,146,44,148,51,148,58,150,63,154,75,155,77,156,78,156,83,157,85,157,96,156,97,156,100,155,100,155,101,154,103,153,103,153,104 151,105,142,105,140,106,139,107,116,107 e|********* m115,82 l115,80,114,79,113,79,111,75,110,75,109,73,107,70,106,68,102,64,100,61,95,56,94,54,92,53,88,49,87,49,83,45,81,44,81,43,80,43,80,42 79,42 e|********* m106,74 l107,74,107,72,108,71,108,55,109,54,109,49,111,48,111,47,114,44,115,42,116,42,117,40,125,32,127,32,127,31 e|********* m113,77 l113,76,114,75,115,75,117,72,119,71,125,65,126,63,127,60,129,58,129,56,131,54,132,54,132,52,133,52,133,51,135,49,137,49,137,48,138,48,138,47 139,47,140,46 e|********* m121,74 l126,74,128,76,131,76,134,78,140,79,143,81,145,81,147,82,147,83,150,83,150,85,151,85,151,86 e|********* m105,81 l104,81,103,82,102,82,101,83,101,84,99,85,98,86,96,87,89,87 e|oval;356;15;28;27;21600,21600;***|*360;17;22;23;**#ff3;**|*363;18;14;19;*#ff3;***|shape;0;0;400;200;400,200;*** m353,34 l352,35,351,35,350,36,343,36,343,37,341,37,341,38,335,38 e|********* m357,40 l357,41,355,42,355,44,353,45,352,48,351,49,350,49 e|********* m363,43 l364,43,364,44,367,50,368,51,369,53,371,53 e|********* m378,45 l379,45,380,46,382,46,384,48,386,49,387,51,388,51,390,53,391,53 e|********* m386,32 l387,32,388,31,389,31,391,30,392,30,393,29,395,29,395,28,396,27 e|********* m384,16 l385,16,385,15,386,14,388,14,389,13,393,11,394,11 e|********* m379,9 l379,7,381,5,381,2 e|********* m364,12 l364,9,363,8,363,7,362,6,362,5,361,5 e|********* m358,16 l358,13,353,8,352,8,351,7,350,7 e|********* m354,20 l340,20 e[/whitepad]
全彩条屏卡
gerong 发表于 2009-6-3 23:02:25 | 显示全部楼层
[whitepad]***400;200;400,200;;** m162,55 l155,55,155,56,152,56,150,57,149,57,146,58,144,59,144,60,136,60,136,61,134,62,134,63,133,64,133,65,132,66,132,78,133,79,133,85,134,85,136,86 136,87,137,88,137,89,139,89,139,90,140,90,140,91,141,91,141,92,143,92,143,93,144,94,145,94,146,95,147,95,148,96,149,96,150,97,151,97,152,98 153,98,155,100,156,100,157,101,161,103,163,105,164,105,166,108,168,108,172,110,173,111,176,111,179,113,180,113,183,114,184,115,187,115,191,117,202,117,204,116 205,116,208,114,210,113,213,110,214,110,217,108,223,102,224,99,225,99,226,96,227,95,229,91,229,90,230,89,230,73,229,72,229,70,228,70,228,68,226,66 225,64,224,63,223,63,223,61,222,61,222,60,221,60,220,58,219,58,219,57,218,56,217,56,217,55,216,55,216,54,214,54,214,53,213,52,211,52,211,51 209,51,209,50,207,50,206,49,202,49,202,48,188,48,186,47,172,47,172,48,170,48,168,49,168,50,166,50,165,51,155,51,154,52,150,52,150,53,148,53 e|********* m133,58 l129,58,129,57,127,57,127,56,126,56,126,54,125,54,124,53,124,51,123,51,122,49,122,48,121,46,120,45,119,43,119,41,118,39,116,37,116,32,115,32 115,18,116,17,116,16,117,16,117,15,119,13,121,13,121,12,122,12,122,11,123,11,123,10,124,10,125,9,128,9,128,8,125,11,124,11,124,12,123,13 123,14,122,14,122,15,121,15,121,17,120,18,120,30,121,31,122,31,122,35,123,35,123,37,124,38,124,40,125,40,125,41,127,41,128,42,129,42,130,43 131,43,133,45,135,45,135,46,137,47,140,50,141,50,143,52,151,52 e|********* m218,54 l226,54,226,53,227,53,227,52,228,52,229,51,230,51,230,50,231,49,232,49,234,47,234,46,236,46,236,45,237,45,237,43,238,43,238,42,242,40,247,35 248,33,249,33,250,32,251,30,256,25,256,24,257,23,257,22,258,21,258,20,259,19,259,18,260,17,260,26,259,28,259,43,257,45,257,48,256,48,256,49 254,51,254,52,252,52,249,55,249,56,248,56,248,57,247,57,247,58,245,58,245,59,242,59,241,60,240,60,239,61,237,61,236,62,227,62 e|********* m153,69 l153,71,154,71,154,72,155,72,155,73,156,74,156,75,171,75,172,74,173,74,173,72,172,72,172,71,171,71,171,70,169,70,169,69,156,69 e|********* m190,72 l192,72,193,71,194,71,194,70,205,70 e|********* m193,74 l208,74,208,71,205,71 e|********* m176,90 l175,90,175,92,176,93,176,94,177,94,177,95,180,95,180,89,178,89,178,88 e|********* m189,90 l189,92,194,92,194,89,191,89,191,88,189,88 e|********* m180,74 l180,75,179,75,179,77,178,77,178,79,177,79,177,80,176,80,176,81,175,81,175,82,174,82,173,83,173,84,172,85,172,86,171,87,171,89,170,89 e|********* m184,75 l184,81,185,81,185,82,186,82,186,83,187,84,187,85,190,88,192,88,192,86,194,86,194,87,196,87,197,89,198,89,198,95,197,95,197,96,196,96,195,98 194,98,193,99,190,99,190,100,173,100,173,99,171,99,171,98,170,98,170,97,169,97,169,94,168,94,168,92 e|********* m174,106 l201,106,201,105,202,105,202,104,203,104,203,103,204,103,204,102,205,102,206,101,207,101,207,108,206,108,206,109,204,111,204,112,203,112,203,113,202,113,201,114 185,114,185,113,182,113,182,112,180,112,180,111,178,111,178,109,177,109,177,108,176,108,176,106 e|********* m220,102 l281,102,287,101,288,100,288,99 e|********* m207,115 l210,115,212,116,213,116,220,118,224,120,227,121,231,123,231,124,234,125,237,125,238,126,239,126,241,127,242,127,246,128,258,128,263,129,282,129,285,128,287,127 288,127,292,123,293,123,294,121,295,121,295,117,296,117,297,114,298,113,298,105,297,105,296,104,296,103,293,103,293,102,291,102,291,101,289,101 e|********* m297,109 l302,109,303,110,316,110,316,107,317,107,317,105,319,103,319,96,317,96,317,105,318,105,318,107,321,107,324,108,325,108,328,109,330,109,332,110,334,110,335,109 336,109,336,108,337,107,337,106,338,106,340,104,340,103,341,102,342,100,342,99,344,95,345,95,345,90 e|********* m285,129 l285,132,284,138,283,141,283,152 e|********* m273,132 l273,153 e|********* m239,128 l239,135,238,136,238,143 e|********* m227,124 l226,124,226,125,225,125,224,128,223,129,222,131,221,132,221,133,220,134,220,135,219,135,219,136,218,136,218,137,217,137,216,138 e|********* m48,109 l48,110,47,110,47,111,46,113,45,113,45,115,43,121,41,124,38,130,38,132,35,135,35,136,33,138,33,140,81,140,86,139,88,138,89,137,90,137,91,136 93,135,94,135,96,133,99,133,101,132,103,132,105,130,106,130 e|********* m38,164 l48,164,58,165,63,166,76,168,94,171,106,174,127,174,139,168,142,165,143,165,144,163,145,162 e|********* m81,108 l81,189 e[/whitepad]
热风 发表于 2009-6-3 23:44:24 | 显示全部楼层
[whitepad]***400;200;400,200;#f66;*0.75; m51,14 l44,14,42,15,41,16,41,17,40,17,39,18,38,18,38,19,37,19,37,20,35,22,35,23,33,25,33,26,32,27,31,29,31,37,34,40,35,42,36,42 38,43,39,44,40,46,42,46,43,47,45,48,46,49,47,49,49,50,50,51,60,51,63,48,64,48,65,46,66,45,66,44,67,42,68,41,68,27,66,25 66,24,65,24,65,23,64,23,62,21,62,20,61,20,61,19,60,19,58,17,58,16,57,16,57,15,54,15 e|********* m13,3 l14,4,16,4,17,6,18,6,20,7,21,8,23,9,24,9,25,10,27,11,32,16 e|********* m9,13 l12,13,14,14,19,14,20,15,22,16,23,16,24,17,27,17,27,18,29,18,29,19,30,19,31,21,32,21,32,22 e|********* m11,34 l10,34,10,33,11,32,12,32,12,31,14,31,14,30,28,30 e|********* m10,52 l12,50,14,49,15,47,16,47,18,45,19,45,22,42,22,41,23,41,23,40,24,40,25,39,29,39,29,40,30,40 e|********* m38,50 l37,50,35,52,34,54,34,55,33,56,32,58,32,71 e|********* m40,3 l41,4,41,6,42,7,42,10,43,11,43,12,44,12,45,11,45,10 e|********* m54,11 l54,10,55,9,57,9,60,6,60,5,61,5,60,4,55,4 e|********* m64,15 l64,14,65,13,66,13,67,12,69,11,70,10,73,10,73,9,75,7,76,7,76,6,80,6,81,7,82,7 e|********* m70,20 l70,19,72,17,88,17 e|********* m47,55 l47,64,48,65,48,68,49,69,49,70,50,70,50,71,51,73,52,74,52,75,53,75,54,76,55,78,57,80,58,80 e|********* m63,59 l63,60,64,61,64,62,65,64,65,68,66,69,67,71,67,72,68,72,68,74,71,77,72,79,72,81,73,82,73,83 e|********* m72,48 l78,54,80,55,81,57,83,58,86,61,87,61,89,62,91,64,91,65,92,66,92,70 e|********* m76,36 l76,33,77,33,77,32,78,32,78,31,81,31,82,33,84,33,86,35,87,35,88,36,89,36,91,38,93,39,94,40,95,40,95,41,96,41,99,44,101,44 e|******;** m227,47 l240,47,241,48,246,48,247,49,253,49,256,50,264,50,265,51,266,51,268,53,270,54,271,55,273,56,276,58,277,59,279,60,280,61,281,63,286,65,287,66 289,67,290,67,291,69,293,70,294,72,296,73,297,74,298,76,300,77,301,79,303,80,304,82,306,83,306,84,307,86,308,87,308,88,309,90,310,90,310,91 311,92,312,94,314,96,315,98,316,99,316,132,315,134,313,136,313,138,312,141,311,142,311,143,309,145,309,146,308,148,306,150,306,152,304,154,304,156,302,158 301,160,301,161,300,163,299,164,299,165,297,167,297,168,296,169,295,171,294,172,293,174,292,175,290,176,289,178,288,179,288,181,286,182,285,183,284,185,283,186 282,188,280,190,280,192,278,194,278,196,277,197,277,198,276,199,275,199 e|********* m231,151 l232,150,232,149,233,148,233,144,234,143,234,140,236,140,238,141,240,143,240,145,242,147,242,164,241,165,240,167,239,168,239,169,238,171,237,172,237,173,236,175 235,176,234,178,234,179,233,180,233,181,232,181,231,183,228,186,220,186,218,184,216,183,215,182,214,182,213,181,212,181,212,180,211,179,211,177,209,175 e|********* m224,155 l226,153,231,153,233,155,233,163,232,164,231,164,231,165,230,165,230,166,229,167,226,167 e|********* m225,153 l225,144,226,144,226,143,240,143 e|********* m227,43 l220,43,218,45,213,46,210,47,203,47,201,48,199,48,197,50,196,52,195,53,193,54,192,56,191,57,191,58,189,60,189,62,186,65,185,67,185,68,182,71 182,72,181,73,181,74,178,77,178,79,177,80,177,81,176,83,175,84,175,85,174,87,173,88,173,90,172,90,171,92,171,94,170,96,169,96,169,120,167,122 166,122,166,123,164,123,163,124,162,124,161,125,159,125,158,126,151,126,151,127,148,127,148,128,147,128,147,133,148,133,148,134,149,134,149,136,150,137,150,146 148,148,148,150,149,151,149,152,150,152,150,153,151,153,151,154,152,154,154,156 e|********* m151,156 l148,156,148,158,150,160,150,165,148,167,148,168,147,168,146,169,146,170,145,170,145,171,144,173,143,174,143,175,142,175,141,176,141,179,142,180,142,181,144,183 144,184,145,185,146,185,147,186,149,186,150,187,152,187,152,188,153,188,153,189,154,189,154,190,155,191,156,191,156,193,157,193,157,194,159,196 e|********* m213,181 l213,195,212,195,211,194,207,192 e|********* m176,95 l177,96,179,96,179,97,181,98,186,103,186,104,187,104,188,105,189,105,189,106,191,108,191,109,192,111,192,112,193,113,193,114,194,115 e|********* m175,105 l176,105,177,106,178,106,180,107,181,108,182,108,182,109,185,112,185,113,186,114,186,116,187,117,187,118,188,119,188,122,189,123,189,124,190,124 e|********* m175,108 l177,110,178,110,179,111,180,111,180,112,181,112,183,114,184,114,184,115,185,115,185,116,186,117,186,120,187,121,187,124,188,124,188,125 e|********* m178,109 l176,109,174,111,174,112,173,113,172,113,172,117,173,118,177,118,178,117,178,116,179,116,181,114,181,112 e|********* m172,118 l173,119,177,119,177,120,178,120,178,121,180,121,181,122,182,122,183,123,185,123 e|********* m208,45 l210,43,212,42,213,42,214,41,218,40,219,39,227,39,229,37,244,37,245,38,246,38,247,39,248,39,249,40,251,41,252,41,253,42,255,43,256,43,258,44 259,45,260,45,262,46,263,47,264,47,266,48,268,50,270,50,271,51,273,52,275,52,276,53,278,53,278,54,279,54 e|********* m215,52 l222,52,224,53,227,53,229,54,235,54,236,55,237,55,238,57,240,58,240,59,241,61,242,62,242,64,244,65,247,68,247,69,248,71,250,72,250,73,251,75 252,76,252,77,258,83,259,85,261,86,261,87,262,89,263,89,263,90,264,90,264,91 e|********* m243,83 l244,83,245,85,247,86,248,87,249,89,257,97,259,98,260,99,261,99,263,100,263,101,267,101 e|********* m220,137 l220,135,221,135,223,134,223,133,224,133,225,132,228,132,228,131,229,130,230,130,232,129,233,128,236,128 e|********* m216,130 l216,129,217,127,218,124,218,123,219,120,219,114,221,112,222,110,224,109,225,107,227,107,227,106,228,106,230,104,232,104,233,103,234,103,236,102,237,101,238,101 240,100,240,99,247,99,249,100,252,101,253,101,256,103,258,104,261,104 e|********* m223,112 l246,112,247,113,250,113,251,114,253,115,257,115 e|********* m218,129 l218,145,220,145,221,144,223,143,224,143,225,142,227,141,235,141 e|********* m245,176 l244,177,244,180,245,182,247,182,248,184,250,185,251,186,252,186,254,187,255,188,261,188,262,189,264,190,266,192,282,192 e|******#fcc;#fcc;* m172,140 l170,140,169,141,168,141,167,142,166,142,162,146,162,147,161,147,161,148,160,150,159,151,159,162,160,162,160,165,161,166,161,167,164,170,165,170,167,171,169,173 173,173,173,174,180,174,181,173,183,172,185,170,186,170,186,169,187,169,187,168,189,166,189,164,190,163,191,161,191,146,190,145,189,145,189,143,188,143,187,142 187,141,186,141,186,140,185,140,185,139,184,139,183,138,174,138,173,139,172,139,172,140,171,140,171,141,170,141 e|******#636;** m175,110 l174,110,173,111,172,111,172,112,171,112,170,113,169,113,169,114,172,117,176,117,179,114,179,113,180,113,180,111,181,111,182,112,182,114,178,118,174,118,173,117 173,115 e|********* m175,114 l174,114,174,116,176,118,182,118,182,117,184,115,184,111,183,110,182,110,182,109,181,108,180,108,180,107,177,107,177,108,176,108,175,109 e|********* m170,114 l174,118,183,118,183,123,189,123 e[/whitepad]
red521led 发表于 2009-6-4 09:33:10 | 显示全部楼层
学习了{:1_126:}{:1_126:}
丹顶鹤 发表于 2009-6-4 19:39:06 | 显示全部楼层
检测的时候用什么样的卡怎么设置的可以让单元板上下左右还斜着走啊!
全彩条屏卡
lubingbing 发表于 2009-12-23 19:33:52 | 显示全部楼层
与楼上有一样的问题,。。。。
sy5843 发表于 2010-6-26 16:47:55 | 显示全部楼层
检测的时候用什么样的卡怎么设置的可以让单元板上下左右还斜着走啊!
霓虹动画 发表于 2010-7-24 23:20:02 | 显示全部楼层
这种的资料太好了,谢谢分享
霓虹动画 发表于 2010-7-24 23:39:47 | 显示全部楼层
请教下坛主,怎么查245 138 04 与595这些芯片是否损坏,用万用表要怎么查呢,谢谢指教!
匿名  发表于 2010-8-11 22:55:42

上海多功能电力仪表

派迪电子 0575-85860828 QQ:34860285
动力柜最新选择,数显三相电流电压表128元,取代3只电流1只电压表、转换开关。接线方便,开孔少,精美高档。多功能电力仪表360元,智能数显三相电流表160元,智能数显单相电流表120元。
月光8298 发表于 2011-2-15 07:53:26 | 显示全部楼层
xiexie  ........................dddddddddddddd
瑬哖浅晿 发表于 2011-6-27 16:41:27 | 显示全部楼层
好东西,学习了,谢谢楼主!赞一个!
华升科技 发表于 2012-3-11 09:19:04 | 显示全部楼层
好东西,学习了,谢谢楼主!赞一个!
迷茫中前行 发表于 2012-5-27 20:41:42 | 显示全部楼层
谢谢楼主无偿的分享你的经验,顶啊!!!!
hbtmyt 发表于 2012-5-29 10:03:47 | 显示全部楼层
好东西,学习了,谢谢楼主!赞一个!{:soso_e100:}
a龙 发表于 2012-11-7 15:51:28 | 显示全部楼层
摊主用心良苦啊
我会学以致用的
llylove007 发表于 2013-1-17 12:49:31 | 显示全部楼层
楼主再接再厉多处经验贴和技术贴,我们需要虚心学习
鼎杰电子 发表于 2017-6-24 19:53:00 | 显示全部楼层
走过路过也要看一次。已经看了四次了。

本版积分规则

 
 
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