商鋪名稱:廈門盈亦自動化科技有限公司
聯系人:劉莉(小姐)
聯系手機:
固定電話:
企業郵箱:3001679289@qq.com
聯系地址:廈門市集美區杏林禹州中央海岸一期5號樓923室
郵編:361022
聯系我時,請說是在電子快手網上看到的,謝謝!
通訊模塊IC684TROLI605
維修技巧之
維修經驗總結
一.帶程序的芯片
1.EPROM芯片一般不宜損壞.因這種芯片需要紫外光才能擦除掉程序,
故在測試中不會損壞程序.但有資料介紹:因制作芯片的材料所致,隨著
時間的推移(年頭長了),即便不用也有可能損壞(主要指程序).所以要
盡可能給以備份.
2.EEPROM,SPROM等以及帶電池的RAM芯片,均極易破壞程序.這類芯片
是否在使用<測試儀>進行VI曲線掃描后,是否就破壞了程序,還未有定
論.盡管如此,同仁們在遇到這種情況時,還是小心為妙.筆者曾經做過
多次試驗,可能大的原因是:檢修工具(如測試儀,電烙鐵等)的外殼漏電
所致.
3.對于電路板上帶有電池的芯片不要輕易將其從板上拆下來.
二.復位電路
1.待修電路板上有大規模集成電路時,應注意復位問題.
2.在測試前裝回設備上,反復開,關機器試一試.以及多按幾次復
位鍵.
通訊模塊IC684TROLI605
IC684TROLI601 |
IC684TROLI607 |
IC684TROLI603 |
IC646PPT100 |
IC684TROLI600 |
44A728319-102 |
IC684TROLI602 |
IC684TROLI606 |
IC684TR000321 |
IC684TROLI605 |
SDNPMBRK2 |
SVL424100 |
SVL2024100 |
SVL1024100 |
SDN2024480CD |
SDN1024480C |
SCP100S24XDVN1E |
SCP102D24XD02E |
SDN2X10REDX-EPM |
SDN20-24-100CX-EPM |
SDN20-24-100C-EPM |
SDN10-24-100CX-EPM |
SDN5-24-100CX-EPM |
SDN5-24-100C-EPM |
SDN40-24-100CX-EPM |
SDN40-24-100C-EPM |
SDN2X40REDX-EPM |
SDN2X20REDX-EPM |
SDN10-24-100C-EPM |
RXE2N0Q0A132A |
R2U2N1K0A1T1A |
R2B00ACCMP02 |
R2B1N5N3N3A0F |
R2B1N5N2N3A0F |
R2B1N5N1N3A0F |
R2B1N5A3N3A0F |
R2B1N5A2N3A0F |
R2B1N5A1N3A0F |
R2B1N4N3N3A0F |
R2B1N4N2N3A0F |
R2B1N4N1N3A0F |
R2B1N4A3N3A0F |
R2B1N4A2N3A0F |
R2B1N4A1N3A0F |
R2B1NAN1N3A0A |
R2B1NAA1N3A0A |
R2B1N9N1N3A0A |
R2B1N9A1N3A0A |
R2B1N7N2N3A0A |
R2B1N7N1N3A0A |
R2B1N7A2N3A0A |
R2B1N7A1N3A0A |
ACC-0S1S2F |
ACC-0S1S1F |
R2B1N2N3N3A0A |
R2B1N2N2N3A0A |
R2B1N2N1N3A0A |
R2B1N2A3N3A0A |
R2B1N2A2N3A0A |
R2B1N2A1N3A0A |
R2B00ACCMP01 |
R2B00ACCRM01 |
R2B0N9A4N3A0A |
R2B0NAA1N3A0A |
R2B0N9N4N3A0A |
R2B0N8N3N3A0A |
R2B0N8N2N3A0A |
R2B0N8N1N3A0A |
R2B0N8A3N3A0A |
R2B0N8A2N3A0A |
R2B0N8A1N3A0A |
R2B0N7N3N3A0A |
R2B0N7N1N3A0A |
R2B0N7A3N3A0A |
R2B0N7A2N3A0A |
R2B0N7N2N3A0A |
R2B0N7A1N3A0A |
R2B0N6N3N3A0A |
R2B0N6N2N3A0A |
R2B0N6N1N3A0A |
R2B0N5N3N3A0F |
R2B0N5N2N3A0F |
R2B0N5N1N3A0F |
R2B0N5A3N3A0F |
R2B0N5A2N3A0F |
R2B0N5A1N3A0F |
R2B0N4N3N3A0F |
R2B0N4N2N3A0F |
R2B0N4N1N3A0F |
R2B0N4A3N3A0F |
R2B0N4A2N3A0F |
R2B0N4A1N3A0F |
R2B0N3N3N3A0F |
R2B0N3N2N3A0F |
R2B0N3N1N3A0F |
R2B0N2N3N3A0A |
R2B0N2N2N3A0A |