1. 佳能m6自動拍攝
1. 將電源置于
2. 按 > 按鈕。
3. 點擊自拍。
10 秒自拍。還可以使用遙控器。
2 秒自拍
10 秒自拍加上連拍。按下 <主撥盤> 可以設(shè)置要使用自拍進行的連續(xù)拍攝的數(shù)目(2 到 10)。
4. 對主體進行對焦,然后完全按下快門按鈕。
可以使用自拍/自動對焦輔助光、提示音和液晶顯示屏上的倒計時顯示(秒)檢查自拍操作。
在拍攝的兩秒前,自拍/自動對焦輔助光將亮起,提示音將發(fā)出更快的聲音。
2. 佳能m6人像拍攝設(shè)置
佳能單反手動對焦的設(shè)置方法如下:
1、拿出佳能單反,先將相機前面的鏡頭上的對焦模式按鈕調(diào)整為AF模式(自動對焦模式)。
2、使用鏡頭的AF模式(自動對焦模式)我們要拍攝對象的焦點,確認焦點對好之后,我們再次將鏡頭的對焦模式切換為MF模式(手動對焦模式),切換玩之后即可鎖定對象的焦點。
3、需要在相機機身上找到屏幕取景和鏡頭實時取景切換按鈕,然后將其切換為屏幕取景,點擊屏幕上的某個位置,即可對拍攝對象點擊位置進行對焦并拍攝。
4、我們還可以設(shè)置相機的對焦是“單點自動對焦”。
5、或者是“區(qū)域自動對焦”亦或者“多點自動對焦”等。
6、通過設(shè)置鏡頭的對焦方式、相機的取景方式、相機的自動對焦操作和相機的對焦點或?qū)箙^(qū)域的設(shè)置等,均可以幫助我們拍攝時更好的對焦。
3. 佳能m6自拍模式
佳能相機打開藍牙連接手機步驟如下:
1在相機設(shè)置中查找并打開無線通信設(shè)置,
2.然后進入“WiFi設(shè)置”進行網(wǎng)絡(luò)設(shè)置,
3.將WiFi的選項調(diào)整為啟用以查找要連接的網(wǎng)絡(luò),
4.選擇連接到智能手機的選項,
5、進入WiFi連接,機器將顯示用戶名和密碼,
6、手機的WIFI連接中就會出現(xiàn)相機回的SSID,
7、輸入要連接的密碼,然后需要下載一個名為“Canon Connect”的應(yīng)用程序,就可以在相機和手機之間傳輸照片了。
4. 佳能m6拍攝模式介紹
1.打開相機后,點擊上面的三個點圖標。
2.頂部會彈出一些選項,點擊右上角的設(shè)置。
3.在相機設(shè)置里面,能看到鏡像模式,默認是開啟的。
4.如果想關(guān)閉鏡像模式,點擊后面的滑塊,關(guān)閉自拍鏡像模式。
5. 佳能m6全面使用相機
佳能就這么設(shè)計的,手機遙控拍攝時取景畫面會被傳輸?shù)绞謾C上,而相機自身就不顯示了(這樣還能省點電)。
越來富士之類其他牌子的微單也是這樣的,后來富士更新了手機APP,增加了一個手機不取景,只遙控快門的功能,可以讓用戶根據(jù)實際需要選擇。也許佳能將來也會考慮更新這個設(shè)計吧。
6. 佳能m6二代自拍定時
自從液晶電視上市以來,逐漸受到了人們的喜愛,很多人家里都安裝了液晶電視。和普遍的電視機相比,液晶電視比較省電、較為環(huán)保。但是對于電器來說,使用久了,出現(xiàn)故障也在所難免,那么該如何維修呢?
基礎(chǔ)知識
組成結(jié)構(gòu)
液晶電視機的組成原理,大體有4個主要功能模塊電源板,電視主板,邏輯板,背光模塊,以及屏線,遙控器,按鍵輸入和喇叭輸出。
電源板
顧名思義,電源板負責整臺電視的供電。功能好比人的心臟,給人全身輸送能量。如果電源板壞了,就像人的心臟停止跳動,電視機自然就不能工作了。
很多黑屏,背光不亮,指示燈不亮,遙控按鍵不起作用等現(xiàn)象都是因為電源板故障引起。
電視主板
電視主板是整個電視機控制的核心,也可以說是電視的大腦。
如果電視主板出現(xiàn)問題,可能導致指示燈不亮、或者指示燈顏色異常、遙控按鍵無響應(yīng)、黑屏、花屏等現(xiàn)象。
邏輯板
邏輯板也稱TCON板,是信號中轉(zhuǎn)站。負責將主板的LVDS信號轉(zhuǎn)換成屏能處理的TCON信號。
如果TCON壞了,可能導致畫面黑屏,花屏,條紋干擾,屏閃,屏保等異?,F(xiàn)象。
背光模塊
背光模塊的功能是給電視機顯示提供背光光源。
如果電視背光不亮,很有可能是背光模塊出現(xiàn)了問題。
LVDS信號線
屏線,又稱差分信號線。如果接口松動,接觸不良,很容易導致黑屏,雪花點干擾,花屏等異?,F(xiàn)象。
注意:4K電視,因為數(shù)據(jù)量大,LVDS信號線已無法滿足傳輸要求,一般都采用V-BY-ONE的信號線傳輸。
遙控接收頭
遙控接收頭,也稱IR,負責接收遙控器的紅外控制信號。如果按遙控器沒有反應(yīng),可能是遙控接收頭出現(xiàn)問題。
按鍵板
如果遙控器可以正常操作,但按鍵板不起作用,估計是按鍵板或者相關(guān)電路壞了。
三合一板卡
將背光模塊,電源板和電視主板集合到一塊板卡上,俗稱三合一板卡。將背光模塊,電源板和電視主板集合到一塊板卡上,俗稱三合一板卡。
隨著產(chǎn)品的標準和規(guī)范化,電視模塊將越來越簡化。目前市面上的電視,里面的模塊基本都簡化成兩片電路了,一塊三合一主板加一片邏輯板。
工作原理
如上圖,紅色的箭頭是供電電路,藍色的箭頭是信號電路。
電源板負責將220V交流電壓轉(zhuǎn)換成各個模塊工作所需的直流電壓;
電視主板負責處理按鍵信號,響應(yīng)遙控器信號;
控制電源板開關(guān),直接或間接控制背光模塊;
接收各類視頻信號,圖像轉(zhuǎn)化成LVDS信號輸送給邏輯板;
聲音信號輸出到喇叭;
邏輯板主要功能是將電視主板輸出的LVDS信號轉(zhuǎn)換成液晶屏能處理的TCON信號;
背光模塊負責給背光燈條供電。
維修常用工具
螺絲刀
螺絲刀是工具,分手動或電動,用于旋擰(安裝)和旋松(除去)螺釘。
鑷子鉗
夾持導線、元件及集成電路引腳等。
萬用表
,萬用表又稱為復用表、多用表、三用表、繁用表等,是電力電子等部門不可缺少的測量儀表,一般以測量電壓、電流和電阻為主要目的。
示波器
示波器是一種用途十分廣泛的電子測量儀器。它能把肉眼看不見的電信號變換成看得見的圖像,便于人們研究各種電現(xiàn)象的變化過程。
溫度可調(diào)熱風槍
熱風槍主要是利用發(fā)熱電阻絲的槍芯吹出的熱風來對元件進行焊接與摘取元件的工具。
電烙鐵
電烙鐵是電子制作和電器維修的必備工具,主要用途是焊接元件及導線。
錫絲
錫絲的特質(zhì)是具有一定的長度與直徑的錫合金絲,在電子原器件的焊接中可與電烙鐵或激光配合使用。
維修技巧
基本維修的方法
直觀法
肉眼觀察燒黑的地方,看有無連接線松動及元器件擊穿的情況。
觸摸法
用手觸摸關(guān)鍵部件,觀察供電部分發(fā)熱情況(數(shù)字板),特別是對老化幾小時后出現(xiàn)的軟故障情況比較實用。
問題法
了解故障出現(xiàn)的具體狀態(tài)(比如雷擊、打火、冒煙、積水及以及人為操作等)。
測量法
使用萬用表、示波器測量(有些情況可用指針式萬用表交流來代替示波器測量一些普通的信號)。
代換法
有條件的情況下,可以代換電源板,數(shù)字板,高頻板,背光板,屏,LVDS數(shù)據(jù)線,軟件等,這種方法維修快。
排除法
縮小檢修范圍,準確判斷故障位置(如信號源部分、信號通道部分)。
邏輯檢修法
該方法要求對所修板件的信號流程、電源邏輯關(guān)系非常熟悉,可以確定維修的順序:是先從后級向前級檢修,還是單一通道向公共通道檢修等等。
滿足法
先大體確定故障部位后,再檢修部分電路的工作條件是否滿足(特殊情況下可人為制造工作條件)。
對比法
條件允許的情況下,可以對比好的板件進行檢修,也可以對比同一板件上相同的電路(對稱電路)來進行檢修。
先軟件后硬件
軟件涉及的故障范圍廣,但是需要檢修的范圍小,對于一些軟故障,建議先升級軟件。
初步檢修流程
維修口訣
液晶維修并不難,工作原理記心間;
電壓來自電源板,亮度來自背光源;
信號處理機芯板,顯示分配控制板;
5V供電最勤勞,一年四季歇不了;
12V供給機芯板,中放功放向它看;
24V送到背光板,無它屏幕缺光源;
機芯板子是領(lǐng)導,開關(guān)信號向它要;
電源模塊背光板,電平高開(機)低關(guān);
PWM脈沖很重要,少了亮度提不高;
LVDS線要求高,變質(zhì)松動有干擾;
液晶電視不普通,程序經(jīng)常鬧罷工;
三天兩天發(fā)神經(jīng),需要復位來擺平;
液晶屏幕很脆弱,要維修時細(心)操作
平板維修費用高,學好技術(shù)很辛勞;
賺錢固然很重要,安全二字記心牢。
常見故障分析
顯示器整機無電
1、電源故障
這是一個應(yīng)該說是非常簡單的故障,一般的液晶顯示器分機內(nèi)電源和機外電源兩種,機外的常見一些。不論那種電源,易損的一般是一些小元件,象保險管、整流橋、300V濾波電容、電源開關(guān)管、電源管理IC、整流輸出二極管、濾波電容等。這些常用的芯片在專業(yè)液晶配件店里都能買到。
2、驅(qū)動板故障
驅(qū)動板燒保險或者是穩(wěn)壓芯片出現(xiàn)故障,有部分機器是把開關(guān)電源內(nèi)置,輸出兩組電源,其中一組是5V,供信號處理用,另外一組是12V提供高壓板點背光用,如果開關(guān)電源部分電路出現(xiàn)了故障會有可能導致兩組電源均沒輸出先查12V電壓正常否,跟著查5V電壓正常否,因為A/D驅(qū)動板的MCU芯片的工作電壓是5V,所以查找開不了機的故障時,先用萬用表測量5V電壓,如果沒有5V電壓或者5V電壓變得很低,那么一種可能是電源電路輸入級出現(xiàn)了問題,也就是說12V轉(zhuǎn)換到5V的電源部分出了問題,這種故障很常見檢查5端穩(wěn)壓塊(常見型號8050SD-LM2596-AIC15-01等)。
另一種可能就是5V的負載加重了,把5V電壓拉得很低,換一種說法就是說,后級的信號處理電路出了問題,有部分電路損壞,引起負載加重,把5V電壓拉得很低,逐一排查后級出現(xiàn)問題的元件,替換掉出現(xiàn)故障的元件后,5V能恢復正常,故障一般就此解決,也經(jīng)常遇到5V電壓恢復正常后還不能正常開機的,這種情況也有多種原因,一方面是MCU的程序被沖掉可能會導致不開機。還有就是MCU本身損壞,比如說MCU的I/O口損壞,使MCU掃描不了按鍵,遇到這種由MCU引起的故障,找硬件的問題是沒有用的,就算你換了MCU也解決不了問題,因為MCU是需要編程和寫碼的,在沒辦法找到原廠的AD驅(qū)動板替換的情況下,我們只能用通用A/D驅(qū)動板代換如151D或161B等。
顯示屏黑屏,無背光,電源燈綠燈常亮
斜視液晶屏有顯示圖像,是因為MCU問題造成沒有輸出開關(guān)控制電壓,可以直接提取3端穩(wěn)壓塊的。
(AIC1084)3.3V代替,修理高壓板的思路(電源保險絲--開關(guān)控制管--電源管理IC--推挽發(fā)大管--電源開關(guān)管--DA轉(zhuǎn)換電路(儲能電感整流管)--LC升壓電路(升壓變壓器、升壓電容)--耦合電容--燈管。
屏幕亮線,亮帶或者是暗線
這種問題,一般是液晶屏的故障。
亮線故障一般是連接液晶屏本體的排線出了問題或者某行和列的驅(qū)動IC損壞
暗線一般是屏的本體有漏電,或者TAB柔性板連線開路以上兩種問題基本上就是給機器判了死刑了,沒有維修價值的,因為一塊屏的價格太高了。(廣州有專門更換碼片的,收費極高,返修率也高)。
花屏或者是白屏
這種問題一般是屏的驅(qū)動電壓出了問題,先換驅(qū)動板和驅(qū)屏線試驗,若不行檢查屏背板供電電路。
維修思路:驅(qū)動板5V轉(zhuǎn)3.3V的穩(wěn)壓塊(AIC1084)是否有供電輸出--屏體驅(qū)動板保險絲(F)-3.3V--DC轉(zhuǎn)換電路--負壓形成IC(-7V)--行列驅(qū)動IC。
AAT1101AM150XN05屏電源管理芯片,損壞后表現(xiàn)為白屏開機圖像暗淡等。
AAT1164M170EG01新款屏通病,主要用在明基FP71G+液晶顯示器上面。用一段時間會白屏、關(guān)機在開用一段時間又出現(xiàn)白屏。本芯片為液晶屏高壓產(chǎn)生及管理芯片、明基液晶顯示器常壞、故障為:白屏。
偏色故障
一般可以進入工廠調(diào)整模式進行調(diào)整。
維修思路:更換屏線和轉(zhuǎn)接板--重寫驅(qū)動程序--驅(qū)動板壞(不常見)--屏背板的控制IC壞(不常見)--拔掉屏線觀察背光顏色(背光偏色為燈管老化)--換燈管。
字符虛或拖尾
維修思路:檢查VGA信號線,重點看RGB三色線的地線是否連接正常--更換屏線或轉(zhuǎn)接板--重寫驅(qū)動程序--換驅(qū)動板--LCD屏背板信號接口 IC壞--LCD屏背板對比度電位器調(diào)整--LCD屏導光板錯位--偏光片錯位。
LCD屏幕內(nèi)部有污點
維修思路:擦拭或更換換保護膜--拆開屏體清洗外層偏光片和有機玻璃(用棉球純凈水處理)--風筒吹干。
LCD屏漏光或光線不均
維修思路:重新安裝燈管--調(diào)整導光板。
LCD屏亮點
一個或二個大的亮點,可以嘗試輕輕用指尖壓亮點,可消失,說明多為此像素的開關(guān)管和電極虛連小的黑點和灰點有可能是內(nèi)部導光板或偏光片有灰塵造成可清洗處理。
LCD屏亮度低
檢查高壓板ADJ亮度調(diào)節(jié)電路--換燈管--換高壓板---調(diào)整或更換導光板。
錯誤提示超出頻率范圍
檢查信號線--重寫MCU驅(qū)動程序--更換EPROM--重寫EPROM程序--換驅(qū)動板。
通電后不按開關(guān)按鍵即白屏,出現(xiàn)背光按鍵后圖像可正常顯示
高壓板接口的開關(guān)信號和ADJ信號反接造成部分屬于驅(qū)動板MCU的開關(guān)信號輸出不正常,可以重寫MCU程序修復--換MCU。
補充一點,對于燈管老化的屏更換時要搞清燈管的尺寸,因為盡管屏幕尺寸一樣,但是燈管長度與粗細略有差異,在找不到相同尺寸燈管的時候,如果能用短燈則好,如果不能使用,稍長的的燈管用手術(shù)刀小心切除屏框,并用熱縮管做好絕緣。
注意事項
電視機是有電高壓的一種電器,維修時有關(guān)的安全問題一定要注意。
1、打開機殼:要注意不能用蠻力打開機殼,如果太緊打不開,一定是還有螺釘或卡扣沒有松開,要再仔細找找;拉開機殼時有的電視機電路板與機殼之間會有電線相連,要注意不要拉壞,比較好先折下機殼上固定的電路板;拉開機殼時要拿穩(wěn)機殼,不要脫手掉下,否則容易砸到顯像管管徑,一旦砸斷可就麻煩了。
2、要注意電視機的“熱地”:有的電視機的電路板的地是“熱地”,就是與市電沒有隔離,如果恰巧電視機的電源插頭又將未隔離的電視機的“地”端插到市電的“火”線上,那么維修時如果你不小心碰到電視機的某個接“地”的部分,就有觸電的危險。一方面觸電本身很危險,另一方面人在觸電時身體會發(fā)生不由自主的痙攣,一旦把電視機拉到地上,就又出大麻煩了。解決這個問題比較好是用隔離變壓器,如果沒有,比較好在電視機通電時能調(diào)整好插頭方向,使電視機的“地”接到市電的“零”線上,這樣可以使電視機比較容易碰到的地方不“電”人,但是電視機里還是有與“火”線相連的強電的,仍然要小心。
3、要注意電視機內(nèi)的高壓:在更換行輸出變壓器的時候,一定要用萬用表筆或其它導線將顯像管高壓帽下的高壓泄放干凈,否則在摘下高壓連線時會受到高壓電擊,同樣比較危險。
如何保養(yǎng)
1、保持干燥
放置的中央,環(huán)境要保持干燥并遠離化學藥品。假如放置環(huán)境濕度很大,電器內(nèi)部就會結(jié)露,容易形成漏電、短路等。平常使用的發(fā)膠、滅蚊劑等都是高揮發(fā)性化學品,也會對液晶顯現(xiàn)屏形成損傷。
2、亮度調(diào)低
日常使用,盡量防止長時間顯現(xiàn)同一張畫面。長時間工作容易惹起內(nèi)部老化或燒壞,特別糟糕的是長時間內(nèi)顯現(xiàn)同一畫面,可能會招致某些像素過熱,形成內(nèi)部產(chǎn)生壞點。而這種損壞不能修復。因而不用時應(yīng)該關(guān)閉顯現(xiàn)屏或選擇屏幕保護程序,或者把顯現(xiàn)屏亮度調(diào)低點。
3、不能頻繁清洗
液晶顯現(xiàn)屏不能頻繁清洗。正確的清潔辦法是拿一塊沾有少許玻璃清潔劑的屏幕擦布,輕力把污跡擦去。注意不要讓清潔劑流到屏幕、屏框接口中,以免出現(xiàn)短路。也不要用硬質(zhì)毛巾擦洗,以免刮花屏幕。還要定時定量擦洗。
4、制止壞習氣
杜絕使用壞習氣。不要用手對屏幕指指點點。此外變壓器電壓很高,不要在帶電的狀況下翻開屏的后蓋。
%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"自從液晶電視上市以來,逐漸受到了人們的喜愛,很多人家里都安裝了液晶電視。和普遍的電視機相比,液晶電視比較省電、較為環(huán)保。但是對于電器來說,使用久了,出現(xiàn)故障也在所難免,那么該如何維修呢?","id":""}],"text":"","id":"WW8Ide2aGoiCgsxk5encV6gvnkh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"基礎(chǔ)知識","id":""}],"text":"","id":"Zg4sdAmW0oa0Gsx50oLcYGQdnbR"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"組成結(jié)構(gòu)","id":""}],"text":"","id":"Q2qyduGcyoGOuAxkbcycCbuBnlg"},{"type":"paragraph","children":[{"type":"text","text":"液晶電視機的組成原理,大體有4個主要功能模塊電源板,電視主板,邏輯板,背光模塊,以及屏線,遙控器,按鍵輸入和喇叭輸出。","id":""}],"text":"","id":"YqSOdSGksoKCkkxgjdpc8VC0nEd"},{"type":"image","attrs":{"height":547,"note":[{"type":"text","text":"組成結(jié)構(gòu)","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d49597eb3f2f458fb1aacdb8bcdbef9c","width":600},"text":"","id":"KIuGduc4Yo64sGxgDHGcyS0Hnog"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"電源板","id":""}],"text":"","id":"NCcadCGASoIKKaxI1gYcygzZnoc"},{"type":"image","attrs":{"height":382,"note":[{"type":"text","text":"電源板","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/33c208a51667444093165fd7f535bdad","width":640},"text":"","id":"N8OodMuAWo6Y0kxgTEac2Ntdnic"},{"type":"paragraph","children":[{"type":"text","text":"顧名思義,電源板負責整臺電視的供電。功能好比人的心臟,給人全身輸送能量。如果電源板壞了,就像人的心臟停止跳動,電視機自然就不能工作了。","id":""}],"text":"","id":"E2y2dAoKqo22aoxkhhmcxKcinxb"},{"type":"paragraph","children":[{"type":"text","text":"很多黑屏,背光不亮,指示燈不亮,遙控按鍵不起作用等現(xiàn)象都是因為電源板故障引起。","id":""}],"text":"","id":"K6S2dK66Uos0mCx6PqTc7rRPnIe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"電視主板","id":""}],"text":"","id":"Om6gd4siSo44U6xyplZcfDDQnzX"},{"type":"paragraph","children":[{"type":"text","text":"電視主板是整個電視機控制的核心,也可以說是電視的大腦。","id":""}],"text":"","id":"HQWQd2WKgoEWIExa0EecUNIln8f"},{"type":"paragraph","children":[{"type":"text","text":"如果電視主板出現(xiàn)問題,可能導致指示燈不亮、或者指示燈顏色異常、遙控按鍵無響應(yīng)、黑屏、花屏等現(xiàn)象。","id":""}],"text":"","id":"OyS4dCMsKoCkwSx8w6qcWrSFnCc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"邏輯板","id":""}],"text":"","id":"BAA0dYS4ko8GaExOAlwcSMQzn3f"},{"type":"image","attrs":{"height":200,"note":[{"type":"text","text":"邏輯板","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6a2ec3b6487a474bb0572cd6b41a6a41","width":476},"text":"","id":"ZgksdK60koWCCuxANPMcX2Ijnuf"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"GKWadUmOWoQK6cxQbUoclY8cn9f"},{"type":"paragraph","children":[{"type":"text","text":"邏輯板也稱TCON板,是信號中轉(zhuǎn)站。負責將主板的LVDS信號轉(zhuǎn)換成屏能處理的TCON信號。","id":""}],"text":"","id":"AQKCd4EUoooEGwxwV6EcWW8EnVg"},{"type":"paragraph","children":[{"type":"text","text":"如果TCON壞了,可能導致畫面黑屏,花屏,條紋干擾,屏閃,屏保等異?,F(xiàn)象。","id":""}],"text":"","id":"Nwyud4k2moy8w0xMfDUcsxd2nYf"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"背光模塊","id":""}],"text":"","id":"W0iudm0eMosGogxEnR0cFf7unhh"},{"type":"image","attrs":{"height":376,"note":[{"type":"text","text":"背光模塊","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f0a58b74bfb149388085b7d3c065f517","width":640},"text":"","id":"DkCCdyq0eoGMsWxGg10cl1h3nue"},{"type":"paragraph","children":[{"type":"text","text":"背光模塊的功能是給電視機顯示提供背光光源。","id":""}],"text":"","id":"XgqgdA6eSoamscxGkTEcrEuhn7e"},{"type":"paragraph","children":[{"type":"text","text":"如果電視背光不亮,很有可能是背光模塊出現(xiàn)了問題。","id":""}],"text":"","id":"FEMsdQsKaoEuyGxMx62cer6vn8d"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"LVDS信號線","id":""}],"text":"","id":"KesmdsScsoMkAaxUZkacXFfanwf"},{"type":"image","attrs":{"height":174,"note":[{"type":"text","text":"LVDS信號線","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f2f5112c462f4d7689d15cca1b1d7274","width":288},"text":"","id":"IG2edW4gAoimeMx1qfDc7n8EnbS"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"QM0odQQqaoIgYkxmu1Nc6e2hn7g"},{"type":"paragraph","children":[{"type":"text","text":"屏線,又稱差分信號線。如果接口松動,接觸不良,很容易導致黑屏,雪花點干擾,花屏等異常現(xiàn)象。","id":""}],"text":"","id":"EcUMdCeuMoMgs8x2v7Nc6yronId"},{"type":"paragraph","children":[{"type":"text","text":"注意:4K電視,因為數(shù)據(jù)量大,LVDS信號線已無法滿足傳輸要求,一般都采用V-BY-ONE的信號線傳輸。","id":""}],"text":"","id":"HwyGdSIWkoKoiUx06WXcQbkUnOc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"遙控接收頭","id":""}],"text":"","id":"D8OCduQagoGUkmxCK1hc1UlanHg"},{"type":"image","attrs":{"height":386,"note":[{"type":"text","text":"遙控接收頭","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/81b73b4097b34fa7bd7d91fc61b8ffbe","width":640},"text":"","id":"K2iYdKsC6oggeMxOInhcnIq1nCe"},{"type":"paragraph","children":[{"type":"text","text":"遙控接收頭,也稱IR,負責接收遙控器的紅外控制信號。如果按遙控器沒有反應(yīng),可能是遙控接收頭出現(xiàn)問題。","id":""}],"text":"","id":"EUckd0E8woqg2ixQZxYcNcumn3f"},{"type":"heading","attrs":{"level"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en":[{"type":"text","text":"滿足法","id":""}],"text":"","id":"IGs6dCqQ2oQ00kxGvWKcnAObnRV"},{"type":"paragraph","children":[{"type":"text","text":"先大體確定故障部位后,再檢修部分電路的工作條件是否滿足(特殊情況下可人為制造工作條件)。","id":""}],"text":"","id":"V06YdMuwWoyaGQxszCvcTGGuncf"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"對比法","id":""}],"text":"","id":"CKw4d6Qgeo0gwoxkp5pcBtQBnGb"},{"type":"paragraph","children":[{"type":"text","text":"條件允許的情況下,可以對比好的板件進行檢修,也可以對比同一板件上相同的電路(對稱電路)來進行檢修。","id":""}],"text":"","id":"Ku4ydaGiooyQoGx6xBPcyrdvn3b"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"先軟件后硬件","id":""}],"text":"","id":"C6eOdwQu2okcSix6QYGcdHa5nnh"},{"type":"paragraph","children":[{"type":"text","text":"軟件涉及的故障范圍廣,但是需要檢修的范圍小,對于一些軟故障,建議先升級軟件。","id":""}],"text":"","id":"TWw4dMEiQoW2AkxSG5vcacnxnId"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"初步檢修流程","id":""}],"text":"","id":"OgYidI6KWoGk6Cx8gO4cu8cgnAc"},{"type":"image","attrs":{"height":696,"note":[{"type":"text","text":"初步檢修流程","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/0e2cbe3f472a42f688eec69e25fecdc6","width":1024},"text":"","id":"Za6kd8yo0oA68qxAZbXcgu39nZf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"維修口訣","id":""}],"text":"","id":"QK2sdCQgiouQMIxUrDQccHbjnxe"},{"type":"paragraph","children":[{"type":"text","text":"液晶維修并不難,工作原理記心間;","id":""}],"text":"","id":"RMEcdw4qgoImGsxKwkLcLf4QnMb"},{"type":"paragraph","children":[{"type":"text","text":"電壓來自電源板,亮度來自背光源;","id":""}],"text":"","id":"SSkkduO8YoekY6xC8n3cwsoGnkd"},{"type":"paragraph","children":[{"type":"text","text":"信號處理機芯板,顯示分配控制板;","id":""}],"text":"","id":"OEAydai2UoqcQ8xktpWc0AyXnFe"},{"type":"paragraph","children":[{"type":"text","text":"5V供電最勤勞,一年四季歇不了;","id":""}],"text":"","id":"YuWadgeMYoSO8uxIN5icN7uInLd"},{"type":"paragraph","children":[{"type":"text","text":"12V供給機芯板,中放功放向它看;","id":""}],"text":"","id":"SoYAdy0S0oigGSxy0q0cSwYgnoh"},{"type":"paragraph","children":[{"type":"text","text":"24V送到背光板,無它屏幕缺光源;","id":""}],"text":"","id":"GEC8d0kKUoaqc6xmuFScMjUsnJh"},{"type":"paragraph","children":[{"type":"text","text":"機芯板子是領(lǐng)導,開關(guān)信號向它要;","id":""}],"text":"","id":"QgiudCKWuoA0ccxAtjjcJDSwnze"},{"type":"paragraph","children":[{"type":"text","text":"電源模塊背光板,電平高開(機)低關(guān);","id":""}],"text":"","id":"PEe2d4SWooee2cxAddQchfRQn2d"},{"type":"paragraph","children":[{"type":"text","text":"PWM脈沖很重要,少了亮度提不高;","id":""}],"text":"","id":"FCkadcCw4oOca4xoLn3cSd9bnDd"},{"type":"paragraph","children":[{"type":"text","text":"LVDS線要求高,變質(zhì)松動有干擾;","id":""}],"text":"","id":"QMgkdAEQko4k0oxaMh5citB7nWe"},{"type":"paragraph","children":[{"type":"text","text":"液晶電視不普通,程序經(jīng)常鬧罷工;","id":""}],"text":"","id":"KuOUdO4Ueo4WeCxWUNgcZnqjnCf"},{"type":"paragraph","children":[{"type":"text","text":"三天兩天發(fā)神經(jīng),需要復位來擺平;","id":""}],"text":"","id":"IYKMdmk8Ao6McCxY9AKcveD1nOd"},{"type":"paragraph","children":[{"type":"text","text":"液晶屏幕很脆弱,要維修時細(心)操作","id":""}],"text":"","id":"N20edYIGSoeU0mxSLz2cZd8fnJx"},{"type":"paragraph","children":[{"type":"text","text":"平板維修費用高,學好技術(shù)很辛勞;","id":""}],"text":"","id":"SUc0dkSu2ocAQ2xSErXcV4MTnLa"},{"type":"paragraph","children":[{"type":"text","text":"賺錢固然很重要,安全二字記心牢。","id":""}],"text":"","id":"LcOidycYUoKeS6xq08bcrHRtnzh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"常見故障分析","id":""}],"text":"","id":"GcQMduk84ooUUGxu8DwcxEA0nPc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"顯示器整機無電","id":""}],"text":"","id":"C0Egds8a0oC0ikxC4HYcame9nKf"},{"type":"paragraph","children":[{"type":"text","text":"1、電源故障","id":""}],"text":"","id":"AWgsdo628oMIKaxs7lfcQigfnJg"},{"type":"paragraph","children":[{"type":"text","text":"這是一個應(yīng)該說是非常簡單的故障,一般的液晶顯示器分機內(nèi)電源和機外電源兩種,機外的常見一些。不論那種電源,易損的一般是一些小元件,象保險管、整流橋、300V濾波電容、電源開關(guān)管、電源管理IC、整流輸出二極管、濾波電容等。這些常用的芯片在專業(yè)液晶配件店里都能買到。","id":""}],"text":"","id":"Hg40di4uGoEwkAx0yGNcoySondc"},{"type":"image","attrs":{"height":644,"note":[{"type":"text","text":"顯示器整機無電","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e171513b622b49df9723c2e41328c84e","width":597},"text":"","id":"RmKUdoes6oIUiYxUZqHcagDUnxh"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"YkAAdyaOsoyuwYxmpPpceRxinKq"},{"type":"paragraph","children":[{"type":"text","text":"2、驅(qū)動板故障","id":""}],"text":"","id":"IEUOd66KgoGoI8xIHemcXA1OnWe"},{"type":"paragraph","children":[{"type":"text","text":"驅(qū)動板燒保險或者是穩(wěn)壓芯片出現(xiàn)故障,有部分機器是把開關(guān)電源內(nèi)置,輸出兩組電源,其中一組是5V,供信號處理用,另外一組是12V提供高壓板點背光用,如果開關(guān)電源部分電路出現(xiàn)了故障會有可能導致兩組電源均沒輸出先查12V電壓正常否,跟著查5V電壓正常否,因為A/D驅(qū)動板的MCU芯片的工作電壓是5V,所以查找開不了機的故障時,先用萬用表測量5V電壓,如果沒有5V電壓或者5V電壓變得很低,那么一種可能是電源電路輸入級出現(xiàn)了問題,也就是說12V轉(zhuǎn)換到5V的電源部分出了問題,這種故障很常見檢查5端穩(wěn)壓塊(常見型號8050SD-LM2596-AIC15-01等)。","id":""}],"text":"","id":"SWQIdq8q0oUiMUx0Emkc8b2VnNd"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"顯示器整機無電","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f16f5f31cd6c494ab9713d7fab80f1aa","width":1024},"text":"","id":"AcO2d6u2KoGouYxm1uDcTyaHnGD"},{"type":"paragraph","children":[{"type":"text","text":"另一種可能就是5V的負載加重了,把5V電壓拉得很低,換一種說法就是說,后級的信號處理電路出了問題,有部分電路損壞,引起負載加重,把5V電壓拉得很低,逐一排查后級出現(xiàn)問題的元件,替換掉出現(xiàn)故障的元件后,5V能恢復正常,故障一般就此解決,也經(jīng)常遇到5V電壓恢復正常后還不能正常開機的,這種情況也有多種原因,一方面是MCU的程序被沖掉可能會導致不開機。還有就是MCU本身損壞,比如說MCU的I/O口損壞,使MCU掃描不了按鍵,遇到這種由MCU引起的故障,找硬件的問題是沒有用的,就算你換了MCU也解決不了問題,因為MCU是需要編程和寫碼的,在沒辦法找到原廠的AD驅(qū)動板替換的情況下,我們只能用通用A/D驅(qū)動板代換如151D或161B等。","id":""}],"text":"","id":"WEKKdMm82oO0AOxmijgcGJ82nCg"},{"type":"image","attrs":{"height":718,"note":[{"type":"text","text":"顯示器整機無電","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6877eef394f0460391549cc7950ff2b9","width":1077},"text":"","id":"TemOdY8o8ooCscxC4v0cctYNnJe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"顯示屏黑屏,無背光,電源燈綠燈常亮","id":""}],"text":"","id":"ScwmdYC2soiC0Uxy0AScaYgon7c"},{"type":"paragraph","children":[{"type":"text","text":"斜視液晶屏有顯示圖像,是因為MCU問題造成沒有輸出開關(guān)控制電壓,可以直接提取3端穩(wěn)壓塊的。","id":""}],"text":"","id":"DcCAd0sWyoUm0WxzWWcclrOVnIg"},{"type":"paragraph","children":[{"type":"text","text":"(AIC1084)3.3V代替,修理高壓板的思路(電源保險絲--開關(guān)控制管--電源管理IC--推挽發(fā)大管--電源開關(guān)管--DA轉(zhuǎn)換電路(儲能電感整流管)--LC升壓電路(升壓變壓器、升壓電容)--耦合電容--燈管。","id":""}],"text":"","id":"GUWGd8kEoo68ewx80Iqc5gxsntc"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"顯示屏黑屏,無背光,電源燈綠燈常亮","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/28d1d08e0d744012a98d93b2b825562d","width":1024},"text":"","id":"MsYyd8kKIoYUAsxWIPDcYNDFnKb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"屏幕亮線,亮帶或者是暗線","id":""}],"text":"","id":"EOYgdaWOwoggwoxohgqc5uwvn5b"},{"type":"paragraph","children":[{"type":"text","text":"這種問題,一般是液晶屏的故障。","id":""}],"text":"","id":"J04udMScEogEgixag7UcHcR4nyh"},{"type":"paragraph","children":[{"type":"text","text":"亮線故障一般是連接液晶屏本體的排線出了問題或者某行和列的驅(qū)動IC損壞","id":""}],"text":"","id":"AcEAdaQkIoUY4OxY585cDxs6n4d"},{"type":"paragraph","children":[{"type":"text","text":"暗線一般是屏的本體有漏電,或者TAB柔性板連線開路以上兩種問題基本上就是給機器判了死刑了,沒有維修價值的,因為一塊屏的價格太高了。(廣州有專門更換碼片的,收費極高,返修率也高)。","id":""}],"text":"","id":"HWy8dsS2IoyCmqx2xcmc66POnFg"},{"type":"image","attrs":{"height":2000,"note":[{"type":"text","text":"屏幕亮線,亮帶或者是暗線","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f8d9eb1e799a4641b7f7ba71179f73c8","width":3000},"text":"","id":"KY0Ad8EKooqioaxkZVwcJ31Unxf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"花屏或者是白屏","id":""}],"text":"","id":"OA26d4yEeomOIAxOyyFc1I1anxg"},{"type":"paragraph","children":[{"type":"text","text":"這種問題一般是屏的驅(qū)動電壓出了問題,先換驅(qū)動板和驅(qū)屏線試驗,若不行檢查屏背板供電電路。","id":""}],"text":"","id":"JQiIdcoY0oyyKExqonxcIxPVnie"},{"type":"paragraph","children":[{"type":"text","text":"維修思路:驅(qū)動板5V轉(zhuǎn)3.3V的穩(wěn)壓塊(AIC1084)是否有供電輸出--屏體驅(qū)動板保險絲(F)-3.3V--DC轉(zhuǎn)換電路--負壓形成IC(-7V)--行列驅(qū)動IC。","id":""}],"text":"","id":"BwSgdaAkgoEwGuxQt1GcFIwRnde"},{"type":"paragraph","children":[{"type":"text","text":"AAT1101AM150XN05屏電源管理芯片,損壞后表現(xiàn)為白屏開機圖像暗淡等。","id":""}],"text":"","id":"W8YwdySA4ogUMCxWAF3chxuOnBd"},{"type":"paragraph","children":[{"type":"text","text":"AAT1164M170EG01新款屏通病,主要用在明基FP71G+液晶顯示器上面。用一段時間會白屏、關(guān)機在開用一段時間又出現(xiàn)白屏。本芯片為液晶屏高壓產(chǎn)生及管理芯片、明基液晶顯示器常壞、故障為:白屏。","id":""}],"text":"","id":"F6UcdsIaYoigw4xhXQYcSTbtnA4"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"花屏或者是白屏","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/0382d695e62249e48ce88ddd45e7eab2","width":1080},"text":"","id":"PECGdywYoouQEqxcjYVcjWO4nsg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"偏色故障","id":""}],"text":"","id":"WUakdWow4oC0AYx8TxNcdEFKn2c"},{"type":"paragraph","children":[{"type":"text","text":"一般可以進入工廠調(diào)整模式進行調(diào)整。","id":""}],"text":"","id":"KAwwd8GmcoMgQoxJOl6cUuWingX"},{"type":"paragraph","children":[{"type":"text","text":"維修思路:更換屏線和轉(zhuǎn)接板--重寫驅(qū)動程序--驅(qū)動板壞(不常見)--屏背板的控制IC壞(不常見)--拔掉屏線觀察背光顏色(","id":""},{"type":"text","text":"背光偏色","id":""},{"type":"text","text":"為燈管老化)--換燈管。","id":""}],"text":"","id":"OE2EdwMqAo22G0x2hsKcJpSYnYf"},{"type":"image","attrs":{"height":595,"note":[{"type":"text","text":"偏色故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/682812f3a52745ab9015c2bdb8a8ffca","width":892},"text":"","id":"R2aAd6qASoCwSqx2DfncS7VlnFb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"字符虛或拖尾","id":""}],"text":"","id":"QS0Ydw8IkomMO0xQDMicNxRVnid"},{"type":"paragraph","children":[{"type":"text","text":"維修思路:檢查VGA信號線,重點看RGB三色線的地線是否連接正常--更換屏線或轉(zhuǎn)接板--重寫驅(qū)動程序--換驅(qū)動板--LCD屏背板信號接口 IC壞--LCD屏背板對比度電位器調(diào)整--LCD屏導光板錯位--偏光片錯位。","id":""}],"text":"","id":"D0KUdse84ouMuQxGGovcCqUWnHf"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"字符虛或拖尾","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/49e51c98340e47e8b7bfb8076eb3684a","width":1024},"text":"","id":"Dyu2dmkEsoSiimxyOIScRdQ8nHh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏幕內(nèi)部有污點","id":""}],"text":"","id":"WIyKdkuCuoI2MqxSkyZcRKEcnMg"},{"type":"paragraph","children":[{"type":"text","text":"維修思路:擦拭或更換換保護膜--拆開屏體清洗外層偏光片和有機玻璃(用棉球純凈水處理)--風筒吹干。","id":""}],"text":"","id":"Ygi2dkiY4oO6sExAXsycPzo6nSc"},{"type":"image","attrs":{"height":746,"note":[{"type":"text","text":"LCD屏幕內(nèi)部有污點","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3411022d6b21474aa77b1f139bcb0fcf","width":1119},"text":"","id":"EAUGdQi4yoaaY4xEFqIcBxQrnKd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏漏光或光線不均","id":""}],"text":"","id":"O4KWdaCcio8gqGxuGtWcl6ktnVc"},{"type":"paragraph","children":[{"type":"text","text":"維修思路:重新安裝燈管--調(diào)整導光板。","id":""}],"text":"","id":"EgYMdOAgOosEU8xu8BJclmLjnqg"},{"type":"image","attrs":{"height":575,"note":[{"type":"text","text":"LCD屏漏光或光線不均","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4f1fae90dd7f4885875a98b12d344c37","width":862},"text":"","id":"KaA2dmCEQocMuwxaEhlcgUhwnKd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏亮點","id":""}],"text":"","id":"RQE0dwIycoAK2ax2hmVc4DIWn2c"},{"type":"paragraph","children":[{"type":"text","text":"一個或二個大的亮點,可以嘗試輕輕用指尖壓亮點,可消失,說明多為此像素的開關(guān)管和電極虛連小的黑點和灰點有可能是內(nèi)部導光板或偏光片有灰塵造成可清洗處理。","id":""}],"text":"","id":"BCQUdoykSoGQcAxh5gQcr7XenxI"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"LCD屏亮點","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/39e02217bd5d47d88ba8642545866e1b","width":1080},"text":"","id":"CEgKd8sgWosqEmxG8gBcswkynme"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏亮度低","id":""}],"text":"","id":"GOQmdYWuioG6KExmKzJcaD6anVh"},{"type":"paragraph","children":[{"type":"text","text":"檢查高壓板ADJ亮度調(diào)節(jié)電路--換燈管--換高壓板---調(diào)整或更換導光板。","id":""}],"text":"","id":"PIgCdkW6eoKeEAxA1K6cYRjknzh"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"LCD屏亮度低","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d2f309cae5554291ad52f0a37e78fa36","width":1080},"text":"","id":"PMYMdWGmqoKiQMxUzJ5cZG7bnBf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"錯誤提示超出頻率范圍","id":""}],"text":"","id":"UKkGdaY0UoYoeKx0AVLcATRRnTb"},{"type":"paragraph","children":[{"type":"text","text":"檢查信號線--重寫MCU驅(qū)動程序--更換EPROM--重寫EPROM程序--換驅(qū)動板。","id":""}],"text":"","id":"MAEMd8Mywom02Ox6f52cPjNondb"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"錯誤提示超出頻率范圍","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/ddcfcfe2eef44b059d28fdf4aff6f628","width":1024},"text":"","id":"QoYidAMsMo2gk4xye2Bchj7nn0f"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"通電后不按開關(guān)按鍵即白屏,出現(xiàn)背光按鍵后圖像可正常顯示","id":""}],"text":"","id":"OqYsdU2e6oCMuuxGCkRcnqnpnne"},{"type":"paragraph","children":[{"type":"text","text":"高壓板接口的開關(guān)信號和ADJ信號反接造成部分屬于驅(qū)動板MCU的開關(guān)信號輸出不正常,可以重寫MCU程序修復--換MCU。","id":""}],"text":"","id":"UOw0dACO4oKkYIxeQAFcx3sfnVf"},{"type":"paragraph","children":[{"type":"text","text":"補充一點,對于燈管老化的屏更換時要搞清燈管的尺寸,因為盡管屏幕尺寸一樣,但是燈管長度與粗細略有差異,在找不到相同尺寸燈管的時候,如果能用短燈則好,如果不能使用,稍長的的燈管用手術(shù)刀小心切除屏框,并用熱縮管做好絕緣。","id":""}],"text":"","id":"UyU8dEUCaoUWygxc98xcWNPknee"},{"type":"image","attrs":{"height":483,"note":[{"type":"text","text":"通電后不按開關(guān)按鍵即白屏,出現(xiàn)背光按鍵后圖像可正常顯示","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e69eef55771b48e7bbf6ebcdc5b0165c","width":725},"text":"","id":"FkEQdQikyouEcMx2xS3chyPon8d"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"注意事項","id":""}],"text":"","id":"GAsmd4agGouIk2x43LCc4WoTnRg"},{"type":"paragraph","children":[{"type":"text","text":"電視機是有電高壓的一種電器,維修時有關(guān)的安全問題一定要注意。","id":""}],"text":"","id":"YCaIdiMsSogi28xUdokcdns6nng"},{"type":"paragraph","children":[{"type":"text","text":"1、打開機殼:要注意不能用蠻力打開機殼,如果太緊打不開,一定是還有螺釘或卡扣沒有松開,要再仔細找找;拉開機殼時有的電視機電路板與機殼之間會有電線相連,要注意不要拉壞,比較好先折下機殼上固定的電路板;拉開機殼時要拿穩(wěn)機殼,不要脫手掉下,否則容易砸到顯像管管徑,一旦砸斷可就麻煩了。","id":""}],"text":"","id":"RG2KdeSkco0eAKxIN1TcdXBFneg"},{"type":"image","attrs":{"height":888,"note":[{"type":"text","text":"注意事項","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3541dbd8ad7a44cab04154722ed2ea1b","width":1332},"text":"","id":"HcUGdoY4GoEOYxxSOaVcjAjbnio"},{"type":"paragraph","children":[{"type":"text","text":"2、要注意電視機的“熱地”:有的電視機的電路板的地是“熱地”,就是與市電沒有隔離,如果恰巧電視機的電源插頭又將未隔離的電視機的“地”端插到市電的“火”線上,那么維修時如果你不小心碰到電視機的某個接“地”的部分,就有觸電的危險。一方面觸電本身很危險,另一方面人在觸電時身體會發(fā)生不由自主的痙攣,一旦把電視機拉到地上,就又出大麻煩了。解決這個問題比較好是用隔離變壓器,如果沒有,比較好在電視機通電時能調(diào)整好插頭方向,使電視機的“地”接到市電的“零”線上,這樣可以使電視機比較容易碰到的地方不“電”人,但是電視機里還是有與“火”線相連的強電的,仍然要小心。","id":""}],"text":"","id":"YEMOdOAAwomg86xkPm3cBlyqnEe"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"注意事項","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e970d754d0ab4531b80dbfe870179d92","width":1024},"text":"","id":"SeQOdeAgUoYeucxXA1NcWhdHniE"},{"type":"paragraph","children":[{"type":"text","text":"3、要注意電視機內(nèi)的高壓:在更換行輸出變壓器的時候,一定要用萬用表筆或其它導線將顯像管高壓帽下的高壓泄放干凈,否則在摘下高壓連線時會受到高壓電擊,同樣比較危險。","id":""}],"text":"","id":"TE2WdG8MgoUkOUxUDBNcZVgnnLV"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"注意事項","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3d725834cf604f28a031e3d43eccc47f","width":1024},"text":"","id":"KeMGdIuYioCEyGxWMP9c3GeTnqh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"如何保養(yǎng)","id":""}],"text":"","id":"Z6QEdMcCuoamSqxUh4rcvQvEnSe"},{"type":"paragraph","children":[{"type":"text","text":"1、保持干燥","id":""}],"text":"","id":"Uq6qdkaMyoi0AgxobSVcuh03nhc"},{"type":"paragraph","children":[{"type":"text","text":"放置的中央,環(huán)境要保持干燥并遠離化學藥品。假如放置環(huán)境濕度很大,電器內(nèi)部就會結(jié)露,容易形成漏電、短路等。平常使用的發(fā)膠、滅蚊劑等都是高揮發(fā)性化學品,也會對液晶顯現(xiàn)屏形成損傷。","id":""}],"text":"","id":"SQkMdwWcSoSIqmxCen9cYGrQnTg"},{"type":"paragraph","children":[{"type":"text","text":"2、亮度調(diào)低","id":""}],"text":"","id":"GmA2dmAcQoIgS6xcTwycWgUXn8g"},{"type":"paragraph","children":[{"type":"text","text":"日常使用,盡量防止長時間顯現(xiàn)同一張畫面。長時間工作容易惹起內(nèi)部老化或燒壞,特別糟糕的是長時間內(nèi)顯現(xiàn)同一畫面,可能會招致某些像素過熱,形成內(nèi)部產(chǎn)生壞點。而這種損壞不能修復。因而不用時應(yīng)該關(guān)閉顯現(xiàn)屏或選擇屏幕保護程序,或者把顯現(xiàn)屏亮度調(diào)低點。","id":""}],"text":"","id":"SeyYdg6moo2qSwxAdYKchuc0nRb"},{"type":"paragraph","children":[{"type":"text","text":"3、不能頻繁清洗","id":""}],"text":"","id":"N848dWgAmomgIOxk7BLcs9wcnsd"},{"type":"paragraph","children":[{"type":"text","text":"液晶顯現(xiàn)屏不能頻繁清洗。正確的清潔辦法是拿一塊沾有少許玻璃清潔劑的屏幕擦布,輕力把污跡擦去。注意不要讓清潔劑流到屏幕、屏框接口中,以免出現(xiàn)短路。也不要用硬質(zhì)毛巾擦洗,以免刮花屏幕。還要定時定量擦洗。","id":""}],"text":"","id":"HcMadkiiooWOkcxKaNackUibnKe"},{"type":"paragraph","children":[{"type":"text","text":"4、制止壞習氣","id":""}],"text":"","id":"UquIdAgkYoM22axczmCckeQ6nzg"},{"type":"paragraph","children":[{"type":"text","text":"杜絕使用壞習氣。不要用手對屏幕指指點點。此外變壓器電壓很高,不要在帶電的狀況下翻開屏的后蓋。","id":""}],"text":"","id":"IEuGdMIkUo68QoxmAQdcM5DWnbc"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"I8mydKKoWoei8exM3hYcwT4BnJc"}]%3C%2Fhowto_content%3E
7. 佳能m6定時拍攝
佳能單反調(diào)節(jié)ISO有個專門的按鍵,一鍵就可進入,也不見你說的什么機型,你找找看快門旁邊有一個按鍵旁邊有沒寫ISO,按一下那個就直接進入調(diào)節(jié)ISO的頁面了,如果沒有那個按鍵那就只能按“Q“鍵進去再選了。
ISO在小于等于1000時對照片的影響都不是很大,但還是越小越好(對照片質(zhì)量來說),同時還要看你的拍攝方法,比如是手持還是支架、環(huán)境光是強是弱等等,比如今天是陰天,光線不是很好,你手持相機拍攝,ISO設(shè)置到100,那么相機計算出拍好這張照片就需要更長的快門打開時間,那你拍出來的照片由于手抖就有更大虛化的可能,那這時候就要提高ISO感光度來減少快門打開時間以獲得更好的拍攝效果,比如提高到400或者600。如果用三腳架拍攝,那ISO設(shè)置第一點就沒問題,不過你還要考慮拍攝對象在快門打開時間內(nèi)的位移會不會大等等
8. 佳能m6自動拍攝視頻
一、 配合相機反轉(zhuǎn)屏,啟發(fā)靈活構(gòu)圖
在一些景區(qū)的游玩中,我們經(jīng)常會碰到人山人海、背景雜亂等現(xiàn)象,其實你只要換一個視角,這些問題都可以引刃而解。而翻轉(zhuǎn)屏就是解決拍攝視角問題的神器。
天漠的名氣聽起來氣勢宏偉,但來到拍攝實地并不是事先想象的大漠孤煙直長河落日圓的情景。其實它就是公路邊的一個小沙丘,難道我們要就此打道回府么?并不是。
打開相機的翻轉(zhuǎn)屏,將相機放置于自己的腰部位置,雜亂的背景便消失在了地平
9. 佳能m6自動拍攝設(shè)置
佳能定時照事先要做好照前的準備工作,調(diào)整好定時間,按下快門鍵等待完成。
10. 佳能m6自動拍攝怎么關(guān)
以佳能相機為例,其set鍵就是實時取景功能鍵。按下機背的SET鍵,可以開啟即時預覽,并可選擇顯示格線,方便構(gòu)圖。不過在即時預覽的觀看過程中,機身會進行自動測光,但是鏡頭要以手動對焦。
設(shè)備使用注意事項∶
1、佳能EOS5D損壞不要自行拆解,設(shè)備的零件比較精密,建議聯(lián)系專業(yè)人員維修,以免零件丟失。
2、佳能EOS5D無法使用,可能是系統(tǒng)故障導致,可以聯(lián)系售后更新系統(tǒng)解決;;可能是硬件故障,可以聯(lián)系售后檢修。
3、佳能EOS5D的鏡頭需要定期清理,可以使用專業(yè)清潔劑清理。
4、佳能EOS5D的鏡頭需要妥善保管,避免放置在潮濕的地方。
5、佳能EOS5D無法拍攝清晰的圖像,可能是相機拍攝模式設(shè)置錯誤,可以重新選擇拍攝模式。
資料拓展︰佳能總部位于日本東京,佳能的產(chǎn)品系列共分布于三大領(lǐng)域∶個人產(chǎn)品、辦公設(shè)備和工業(yè)設(shè)備,主要產(chǎn)品包括照相機及鏡頭、數(shù)碼相機、打印機、復印機、傳真機、掃描
11. 佳能m6自動拍攝怎么設(shè)置
1、可以先注冊一個ISO為800的設(shè)置,然后注冊相機參數(shù),這樣平時用ISO100在A檔,當突然想用ISO800的時候,只要波輪切換到C檔,馬上就變成800,這個比手動切換方便多了。
2、反光板預升隨時切換。這個功能其實對手持非常有效,當反光板預升以后,手持可以到1/8不會糊,蹲下拍攝可以到1/4。通常情況要用Fn菜單切換這個參數(shù)十分麻煩,這個時候只要自己設(shè)置一下,切換到C檔,一切都方便許多。夜景掃街經(jīng)常會遇到這個參數(shù)的。