格力U雅变频空调外机不启动维修

/guestviewthumb"margin: 0 auto;"a class="guestviewthumb_cur" aid="433953" src="https://www.jdwx.info/static/image/common/none.gif" onerror="javascript:if(this.getAttribute('makefile')){this.src=this.getAttribute('makefile'); this.removeAttribute('makefile');}" file="https://www.ysyk.info/data/attachment/image/000/43/39/53_100_100.jpg" makefile="forum.php?mod=image&aid=433953&size=100x100&key=016e0270c58546be&type=1" inpost="1" alt="333_meitu_1.jpg" title="333_meitu_1.jpg"/bra href="member.php?mod=logging&action=login" 登录/注册后可看大图/a/tip tip_4 a id="a style="position: absolute; display: none" disautofocus="true"xs0"pstrong333_meitu_1.jpg/strong em class="xg1"(53.97 KB, 下载次数: 73)/em/ppa href="page-433953.html" target="_blank"下载附件/a a href="javascript:;" id="savephoto_433953" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=433953&handlekey=savephoto_433953"保存到相册/a/pp class="xg1 y"2015-11-6 10:45 上传/p/guestviewthumb"margin: 0 auto;"a class="guestviewthumb_cur" aid="433954" src="https://www.jdwx.info/static/image/common/none.gif" onerror="javascript:if(this.getAttribute('makefile')){this.src=this.getAttribute('makefile'); this.removeAttribute('makefile');}" file="https://www.ysyk.info/data/attachment/image/000/43/39/54_100_100.jpg" makefile="forum.php?mod=image&aid=433954&size=100x100&key=9e2859dc4863faf8&type=1" inpost="1" alt=" title="/bra href="member.php?mod=logging&action=login" 登录/注册后可看大图/a/tip tip_4 a id="a style="position: absolute; display: none" disautofocus="true"xs0"pstrongxg1"(235.63 KB, 下载次数: 128)/em/ppa href="page-433954.html" target="_blank"下载附件/a a href="javascript:;" id="savephoto_433954" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=433954&handlekey=savephoto_433954"保存到相册/a/pp class="xg1 y"2015-11-6 10:49 上传/p/https://item.ysyk.com/item.htm?id=566586368597" target="_blank" class="relatedlink"9V/a左右，明显不正常，格力这一款机子传感器供电电压为3.3V,5V电压用电源芯片转换为3.3V给传感器供电        值得注意。    然后我把三个传感器都拔掉测量端子电压两个都是3.3V，只有一个是1V左右。顺着不正常的一组线路测量，发现对地分压的贴片电阻阻值不正常，随后更换了一个色环10K电阻。开机正常。br /ignore_js_opguestviewthumb"margin: 0 auto;"a class="guestviewthumb_cur" aid="433955" src="https://www.jdwx.info/static/image/common/none.gif" onerror="javascript:if(this.getAttribute('makefile')){this.src=this.getAttribute('makefile'); this.removeAttribute('makefile');}" file="https://www.ysyk.info/data/attachment/image/000/43/39/55_100_100.jpg" makefile="forum.php?mod=image&aid=433955&size=100x100&key=7477c6dc0ccb44b8&type=1" inpost="1" alt=" title="/bra href="member.php?mod=logging&action=login" 登录/注册后可看大图/a/tip tip_4 a id="a style="position: absolute; display: none" disautofocus="true"xs0"pstrongxg1"(300.53 KB, 下载次数: 33)/em/ppa href="page-433955.html" target="_blank"下载附件/a a href="javascript:;" id="savephoto_433955" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=433955&handlekey=savephoto_433955"保存到相册/a/pp class="xg1 y"2015-11-6 10:50 上传/p/div/div/ignore_js_opbr /br /我一般维修变频空调，都当场修好，拿回去耗时耗力，还没办法测试，维修1个小时找不到故障，就放弃。要求换板，没必要浪费时间