眾『婉君』!大家好~
各位午安~時間就快逼近了~再過一個月就要投票了,你準備好了嗎?
今天繼續來看電視的維修,是底下這一台,型號:ZINWELL(兆赫)型號:LM3718P
![](https://1.bp.blogspot.com/-uLbFXUeK2Bo/Vm4saPNNc_I/AAAAAAAA2Hs/CnEzCkFCpuU/s640/003.JPG)
![](https://1.bp.blogspot.com/-gdhwQZi_mCM/Vm4sZ6GqYUI/AAAAAAAA2Hg/4Zc8jPeWWqo/s640/004.JPG)
亮是有亮燈,只是它有點不紅不綠,簡單的說它是紅、綠色雙色指示燈齊亮,所以變成了類似『橘』色的燈號~此時當然無法啟動電視,因為現在電視的作動已經不正常…
![](https://3.bp.blogspot.com/-OxvGOZislAg/Vm4saEC3SVI/AAAAAAAA2Hk/HnIaHobX78Y/s640/005.JPG)
當準備解下背蓋上的控制電路鐵殼, 我赫然發現了許多水漬乾涸後的痕跡~![](https://2.bp.blogspot.com/-yDg3SKE-p38/VUVtYIFtx-I/AAAAAAAAtJU/olkhj3ZNLV0/s1600/m192.gif)
![](https://1.bp.blogspot.com/-ogHZkcJd-_g/Vm4sase0BRI/AAAAAAAA2H0/WiutTqp8I9s/s640/006.JPG)
![](https://1.bp.blogspot.com/-S_dCN_sai1E/Vm4sapACLRI/AAAAAAAA2II/2SjoJaxkLEM/s640/007.JPG)
是的~電視機是擺設在窗戶旁,它一直被雨水所濺濕、蹂躪,可能主人沒有察覺,這一開機它就死了……
![](https://4.bp.blogspot.com/-3I6slwtBvp8/Vm4sarzn1wI/AAAAAAAA2IE/nSzopozKbHo/s640/008.JPG)
![](https://4.bp.blogspot.com/-NnZCFKvk03A/Vm4sbM185aI/AAAAAAAA2IY/oLtThJP3_Hw/s640/009.JPG)
![](https://4.bp.blogspot.com/-qn_1KVcRpQ8/Vm4sblyEv7I/AAAAAAAA2LQ/9CO2ajLtdjI/s640/012.JPG)
![](https://2.bp.blogspot.com/-mBX6A2eJ_GY/Vm4sbpXKlII/AAAAAAAA2LE/DzlfCDhgKa4/s640/010.JPG)
![](https://1.bp.blogspot.com/-_sZD4Qe5tJo/Vm4scLmFbYI/AAAAAAAA2Ik/0N3v_GGrJIQ/s640/013.JPG)
![](https://2.bp.blogspot.com/-Q2oUqsajEaM/Vm4scIDG2dI/AAAAAAAA2Io/4Hs575nj4vQ/s640/014.JPG)
atunPCLCD 發表在 痞客邦 留言(0) 人氣()
眾『婉君』!大家好~
各位午安~今天繼續來看電視的維修~
話說這一台機器一到手~一直就忘記給它拍攝型號照~
送電測試結果~也不見有異樣出現…我等不了它出現任何異狀,直接就殺進控制電路的主機板部位……
從圖照中好像真的看不出故障現象:
![](https://1.bp.blogspot.com/-pieHXzfLkAE/VmZVZwNyLQI/AAAAAAAA19U/goOmuSFGFNs/s640/089.JPG)
![](https://1.bp.blogspot.com/-OF7gjbI62ok/VmZVZv5g1tI/AAAAAAAA2AE/Q8XnrFQ3xLg/s640/090.JPG)
還好現在許多『人客倌』都使用『Line』在聯繫,留下了這一段交談的紀錄,所以這下才知曉它的型號,與及客訴的故障情況~
![](https://4.bp.blogspot.com/-0dunxPTV1VE/VmZVewn3OrI/AAAAAAAA1_4/AnQedGTklbA/s640/1439788860019.jpg)
![](https://4.bp.blogspot.com/-bhjB2wgBi-E/VmZVZy35NVI/AAAAAAAA2AY/1tyfPYMoIzQ/s640/091.JPG)
再仔細的瞧瞧~每一ㄎ元件卻都有點拖泥帶水……
![](https://1.bp.blogspot.com/-jnQTmoALmXQ/VmZVae00QdI/AAAAAAAA19c/exgJnyAjGXU/s640/093.JPG)
![](https://3.bp.blogspot.com/-Mw03qfdmSAw/VmZVacUC3qI/AAAAAAAA19o/K2FySB3AjVM/s640/094.JPG)
![](https://1.bp.blogspot.com/-Ekbj07g43pc/VmZVa8UwZYI/AAAAAAAA19w/0w_2bDuNsEE/s640/096.JPG)
![](https://4.bp.blogspot.com/-hgMs2O1kp_E/VmZVaw07kPI/AAAAAAAA1-A/8Y0Ioq9ZGss/s640/097.JPG)
![](https://2.bp.blogspot.com/-Bka10Xr9Drg/VmZVbe7zypI/AAAAAAAA2AU/dDnn3FFPrsk/s640/099.JPG)
![](https://1.bp.blogspot.com/-xfW-5XJrVgs/VmZVbnW_FxI/AAAAAAAA1-o/he_oIXyN_0g/s640/100.JPG)
![](https://3.bp.blogspot.com/-JE_LOhiXXA0/VmZVbiFSBgI/AAAAAAAA1-Q/giFKQpoLwtw/s640/101.JPG)
![](https://1.bp.blogspot.com/-fLkOJYD8xnw/VmZVb0bVFqI/AAAAAAAA1-U/YXkaS5KtUoM/s640/102.JPG)
![](https://1.bp.blogspot.com/-O66dC7ZnDFY/VmZVcDXEaqI/AAAAAAAA1_8/cewM8Lo9Bp8/s640/103.JPG)
![](https://2.bp.blogspot.com/-iM-bWKx0HeE/VmZVcWRxzVI/AAAAAAAA1-k/ZFgTjPbk794/s640/104.JPG)
![](https://4.bp.blogspot.com/-hO-BIWndPn8/VmZVcdgmnLI/AAAAAAAA1-0/toGgHAFyqSo/s640/105.JPG)
atunPCLCD 發表在 痞客邦 留言(0) 人氣()
眾『婉君』!大家好~
大家晚安~已經接近傍晚時分,今天加碼再來看一篇液晶電視的維修,是底下這一個廠牌、型號:HI-PLUS(畫佳)HLT-HM421Q
![](https://3.bp.blogspot.com/-Aii-ITw03vw/VmUgz5q0sAI/AAAAAAAA14I/5FHcQ9ue05M/s640/015.JPG)
先拆解後蓋~直接來看一下它的電路構造分佈~這台線路配得有點『不倫不類』,不過~也沒關係啦~後蓋一蓋上,什麼都看不到,重點是可以長久觀賞使用,凍ㄟ久!尚要緊……
![](https://4.bp.blogspot.com/-RP5ZW1FbP50/VmUg0ZFYrbI/AAAAAAAA14c/YZJRUttkuqs/s640/017.JPG)
![](https://1.bp.blogspot.com/-3QKELdd-XGI/VmUg0WFXxZI/AAAAAAAA14g/zpt1XWbNW20/s640/018.JPG)
![](https://4.bp.blogspot.com/-6j-2OZpRgzA/VmUg0iTmmDI/AAAAAAAA178/XgKnRhWQJ68/s640/019.JPG)
![](https://4.bp.blogspot.com/-VNvSMS4urm0/VmUg00ZcwyI/AAAAAAAA14w/WVrYCLRTUNU/s640/020.JPG)
現在來送電測試看看~
市電已經插上!開關也切換到『ON』~
![](https://4.bp.blogspot.com/-BzjVvZ47aFE/VmUg0xxUaII/AAAAAAAA140/vBj6ll75yT0/s640/021.JPG)
![](https://2.bp.blogspot.com/-0b20HswLWaU/VmUg1eig1TI/AAAAAAAA18A/eeu4baorvh4/s640/022.JPG)
很明顯的~
機器並沒有亮起待機紅燈~所以~當然不能指望它可以啟動亮起屏幕!
![](https://4.bp.blogspot.com/-m36AeI_Vuec/VmUg1XqKfwI/AAAAAAAA15E/v-47fFgB0PI/s640/023.JPG)
![](https://4.bp.blogspot.com/-YPUD9_fjEKY/VmUg1X7t_KI/AAAAAAAA15I/pr2mnJ1Zx24/s640/025.JPG)
查量主機板輸入電位的PIN端!
確定的!待機電壓,它並沒有到達主板PIN端~
![](https://3.bp.blogspot.com/-LxqGV4fIDnA/VmUg106geJI/AAAAAAAA18E/46R5RIOSsaw/s640/026.JPG)
所以~看來是很明顯的,兇手一定非它莫屬?
![](https://2.bp.blogspot.com/-oGyPnwnRZ6g/VmUg16RE53I/AAAAAAAA15c/p5VpUsNwTms/s640/027.JPG)
![](https://2.bp.blogspot.com/-rXtyLq8jDU4/VmUg113MMTI/AAAAAAAA15Y/9N3MrIOyHWE/s640/028.JPG)
![](https://2.bp.blogspot.com/-SQQek_CTm5Q/VmUg2a8TuzI/AAAAAAAA18I/dFyFWkZBZ4k/s640/029.JPG)
我們來單獨電源板測試一下~
![](https://3.bp.blogspot.com/-PbN_OvattXY/VmUg2cp1KmI/AAAAAAAA15s/Ug1LQnePgAQ/s640/030.JPG)
耶……
這下就奇了,單板測試有待機電壓:DC5V的說……
![](https://3.bp.blogspot.com/-JqtnC_XN_Ms/VmUg2Wtgb_I/AAAAAAAA18M/wWji56aApBo/s640/031.JPG)
atunPCLCD 發表在 痞客邦 留言(0) 人氣()