United Nations General Assembly Resolution A/C.2/54/L.44 on International Decade for Natural Disaster Reduction: successor arrangements (26 November 1999)

TheGeneralAssembly,Recallingitsresolutions44236of22December1989,4922Aof2December1994,4922Bof20December1994and53185of15December1998,andreiteratingEconomicandSocialCouncilresolution199963of30July1999onthesuccessorarrangementsfortheInternationalDecadefo...

熊猫C54L2型彩电特殊故障检修记实

一、故障现象该机同时出现多种故障:场幅缩小、光栅亮度偏暗、图像质量欠佳,并且在自动搜索节目时信号一闪而过,搜索完毕后电视节目无一能存储。二、检修过程根据该机故障的特殊性,本着先易后难的检修原则,首先查场幅缩小故障:测场输出块 IC501(LA7830)第③、⑥脚(供电端)电压分别为25V(图标为25.4V)

熊猫C54L2型彩电特殊故障检修纪实

一、故障现象 该机同时出现多种故障：场幅缩小、光栅亮度偏暗、图像质量欠佳，并且在自动搜索节目的时候信号一闪而过，搜索完毕后电视节目无一能存储。