商铺名称:厦门盈亦自动化科技有限公司
联系人:刘莉(小姐)
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联系地址:厦门市集美区杏林禹州中央海岸一期5号楼923室
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触摸屏 1756-L71
.组合代换
组合代换就是把同一型号的多块IC内部未受损的电路部分,重新组合成一块完整的IC,用以代替功能不良的IC的方法。对买不到原配IC的情况下是十分适用的。但要求所利用IC内部完好的电路一定要有接口引出脚。
非直接代换关键是要查清楚互相代换的两种IC的基本电参数、内部等效电路、各引脚的功能、IC与外部元件之间连接关系的资料。实际操作时予以注意:
⑴集成电路引脚的编号顺序,切勿接错;
⑵为适应代换后的IC的特点,与其相连的外围电路的元件要作相应的改变;
⑶电源电压要与代换后的IC相符,如果原电路中电源电压高,应设法降压;电压低,要看代换IC能否工作。
⑷代换以后要测量IC的静态工作电流,如电流远大于正常值,则说明电路可能产生自激,这时须进行去耦、调整。若增益与原来有所差别,可调整反馈电阻阻值;
⑸代换后IC的输入、输出阻抗要与原电路相匹配;检查其驱动能力。
⑹在改动时要充分利用原电路板上的脚孔和引线,外接引线要求整齐,避免前后交叉,以便检查和防止电路自激,特别是防止高频自激;
[7]在通电前电源Vcc回路里再串接一直流电流表,降压电阻阻值由大到小观察集成电路总电流的变化是否正常。
触摸屏 1756-L71
1756-A10 |
1756-A13 |
1756-A17 |
1756-A4 |
1756-A7 |
1756-BA1 |
1756-BA2 |
1756-BATA |
1756-CN2 |
1756-CN2R |
1756-CNB |
1756-CNBR |
1756-DHRIO |
1756-DNB |
1756-EN2T |
1756-EN2TR |
1756-EN3TR |
1756-ENBT |
1756-ENET |
1756-EWEB |
1756-HSC |
1756-IA16 |
1756-IA16I |
1756-IA32 |
1756-IB16 |
1756-IB16D |
1756-IB16I |
1756-IB32 |
1756-IF16 |
1756-IF16H |
1756-IF8 |
1756-IF8H |
1756-IF8I |
1756-IF6I |
1756-IF6CIS |
1756-IT6I |
1756-IR6I |
1756-IR12 |
1756-IRT8I |
1756-IT6I2 |
1756-IM16I |
1756-L61 |
1756-L62 |
1756-L63 |
1756-L64 |
1756-L65 |
1756-L71 |
1756-L71S |
1756-L72 |
1756-L72S |
1756-L73 |
1756-L74 |
1756-L75 |
1756-L81E |
1756-L81ES |
1756-L82E |
1756-L82ES |
1756-L83E |
1756-L83ES |
1756-L84E |
1756-L84ES |
1756-L85E |
1756-L8SP |
1756-M02AE |
1756-M02AS |
1756-M03SE |
1756-M08SE |
1756-M16SE |
1756-N2 |
1756-OA16 |
1756-OA16I |
1756-OB16D |
1756-OB16E |
1756-OB16I |
1756-OB32 |
1756-OF4 |
1756-OF8 |
1756-OF8I |
1756-OW16I |
1756-OF6VI |
1756-OF6CI |
1756-PA72 |
1756-PA75 |
1756-PA75R |
1756-PB72 |
1756-PB75 |
1756-RM |
1756-RM2 |
1756-TBCH |
1756-TBNH |
1756-TBS6H |
1756-TBSH |
1757-SRM |
1734-232ASC |
1734-485ASC |
1734-ACNR |
1734-ADN |
1734-AENT |
1734-AENTR |
1734-APB |
1734-ARM |
1734-CTM |
1734-EP24DC |
1734-FPD |
1734-IA2 |
1734-IA4 |
1734-IB2 |
1734-IB4 |
1734-IB4D |
1734-IB8 |
1734-IB8S |
1734-IE2C |
1734-IE2V |
1734-IE4C |
1734-IE4S |
1734-IE8C |
1734-IJ |
1734-IK |
1734-IM2 |
1734-IM4 |
1734-IR2 |
1734-IR2E |
1734-IT2I |
1734-IV2 |
1734-IV4 |
1734-IV8 |
1734-OA2 |
1734-OA4 |
1734-OB2 |
1734-OB2E |
1734-OB2EP |
1734-OB4 |
1734-OB4E |
1734-OB8 |
1734-OB8E |
1734-OB8S |
1734-OE2C |
1734-OE2V |
1734-OE4C |
1734-OV2E |
1734-OV4E |
1734-OV8E |
1734-OW2 |
1734-OW4 |
1734-OX2 |
1734-PDN |
1734-RTB |
1734-RTB3 |
1734-RTB3S |
1734-RTBCJC |
1734-RTBS |
1734-SSI |
1734-TB |
1734-TB3 |
1734-TB3S |
1734-TBCJC |
1734-TBS |
1734-TOP |
1734-TOP3 |
1734-TOP3S |
1734-TOPS |
1734-VHSC24 |
1734-VHSC5 |
1734-VTM |
4D33935H01 |
4D33942G02 |
4D33945G01 |
5A22410H01 |
5A22410H02 |
5A22411H01 |
5A22412H01 |
5A22727G02 |
5A22727G03 |
5A22971G01 |
5A22982G01 |
5A22982G02 |
5A22982G03 |
5A23111G02 |
5A23186G01 |
5A23398G01 |
5A23743G01 |
5A23831G01 |
5A23831G04 |
5A26129G01 |
5A26137G01 |
5A26137G02 |
5A26137G03 |
5A26137G04 |
5A26141G05 |
5A26144G03 |
5A26147G10 |
5A26148G14 |
5A26149G14 |
5A26355G01 |
5A26355G02 |
5A26355G03 |
5A26355G04 |
5A26355G05 |
5A26355G06 |
5A26355G07 |
5A26355G08 |
5A26355H13 |
5A26371H12 |
5A26371H19 |
5A26371H29 |
5A26373H01 |
5A26391G04 |
5A26391G05 |
5A26391H03 |
5A26420G01 |
5A26420G01 |
5A26420G02 |
5A26420G07 |
5A26420G12 |
5A26430H04 |
5A26430H11 |
5A26430H15 |
5A26430H20 |
5A26431G05 |
5A26432H02 |
5A26434H01 |
5A26435H03 |
5A26438G01 |
5A26438H01 |
5A26438H04 |
5A26453G01 |
5A26457G01 |
5A26458G01 |
5A26458G02 |
5A26458G03 |
5A26477G01 |
5A26477H02 |
5A26477H03 |
5A26477H04 |
5A26477H05 |
5A26479G01 |
5A26479G02 |
5A26479G03 |
5A26479G06 |
5A26479G07 |