文档介绍：成绩
徐州工程学院
实****报告
实****名称电装实****br/>学院数理学院
专业应用物理学
班级 11光伏
学生姓名
学号
实****地点教2-419
指导教师王一如
实****起止时间: 2014年12月15日至2014年12月21日
目录
实****目的··········································1
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-830B型数字万用表原理
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调试、故障排除和校验···························13
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通过DT-830B数字万用表装配实验,了解万用表结构原理。
认识并熟练测量各个元器件,了解元器件标识的意义。
对照原理图和印制电路板图,掌握电路组装焊接工艺。
通过调试仪器并检测电路功能,培养动手能力。
,熟悉工作原理。
,安装调试万用表。
。
、培养自身的动手能力。
:
。
、螺丝刀、镊子、刀片等。
:
(一)
1.(1)底面壳各 1个(4)旋纽 1个
(2)液晶片 1片(5)屏蔽纸 1张
(3)液晶片支架 1个(6)功能面板
2.(1)IC:7106 (全检)(2)表笔插孔柱3个
3.(1)保险管、座 1套(8)*5 2个
(2)HFE座 1个(9)接地弹簧4* 1个
(3)V行触片 6片(10)2*8自攻螺钉(固定线路板 3个
(4)9V电池 1个(11)2*10自攻螺钉(固定底壳)2个
(5)电池扣 1个(12)电位器201(VR1) 1个
(6)导电胶条 2个(13)锰铜丝电阻(R0) 1个
(7)滚珠 2个
4.(1)表笔一付(2)说明书(3)电路图及注意要点1张
(二)
代号
参数
精度
代号
参数
精度
R10
%
R19
220K
5%
R8
9
%
R12
220K
5%
R20
100
%
R13
220K
5%
R21
900
%
R14
220K
5%
R22
9K
%
R15
220K
5%
R23
90K
%
R2
470K
5%
R24
117K
%
R3
1M
5%
R25
117K
%
R32
2K
20%
R35
117K
%
表1 元件清单
R26
274K
%
C1
100pF