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百達(dá)翡麗老款手表535(百達(dá)翡麗535機芯)

導(dǎo)讀 1. 百達(dá)翡麗535機芯百達(dá)斐麗5146的辨別真?zhèn)畏椒ㄈ缦拢旱谝唬礄C芯,百達(dá)翡麗5146目前在產(chǎn)的機械腕表中,無論是女表還是男表,自動還是手動,95%以上的都是透底的設(shè)計,目前百達(dá)翡麗主要使用的機械機芯有215,315,324,240,16-250,25-21,27-525,28-20,28-520,29-535(部分已停產(chǎn)),可以根據(jù)透底的后蓋看到是否是以上這些機芯(用放大鏡能夠清晰看見刻在機

1. 百達(dá)翡麗535機芯

百達(dá)斐麗5146的辨別真?zhèn)畏椒ㄈ缦拢?

第一,看機芯,百達(dá)翡麗5146目前在產(chǎn)的機械腕表中,無論是女表還是男表,自動還是手動,95%以上的都是透底的設(shè)計,目前百達(dá)翡麗主要使用的機械機芯有215,315,324,240,16-250,25-21,27-525,28-20,28-520,29-535(部分已停產(chǎn)),可以根據(jù)透底的后蓋看到是否是以上這些機芯(用放大鏡能夠清晰看見刻在機芯上的機芯型號以及機芯編號),當(dāng)然,前提是必須對這些機芯的樣子比較了解,否則即使是透底,也難辨機芯,這需要看的比較多,積累比較多的經(jīng)驗才能正確辨別。百達(dá)翡麗5146的石英腕表只為女士生產(chǎn),并且完全不透底,因此鑒別難度會高于機械腕表,不過百達(dá)翡麗5146的制作工藝是假表或者仿表是跟本無法企及的,因此可以通過外觀的制作工藝,例如金屬表帶的打磨,表殼的拋光等來鑒別。

第二,根據(jù)腕表外觀,幾乎所有的百達(dá)翡麗5146,在腕表的后蓋上基本都不會有任何品牌標(biāo)志或者是型號,除少量限量款腕表在背后有字,其余99%以上的款式都不會有任何文字與logo。另外,百達(dá)翡麗5146向來以低調(diào)著稱,因此在腕表表盤上幾乎看不到品牌的logo,目前在產(chǎn)的只有5180/1G,4937,7180這三個型號能夠在腕表正面看到品牌logo。

第三,百達(dá)翡麗5146從生產(chǎn)陀飛輪腕表開始,從未將陀飛輪裝置暴露在表盤上,首先是低調(diào)的品牌精神,其次是從陀飛輪裝置的利益出發(fā)。我們知道,陀飛輪(Tourbillon)裝置是由鐘表巨匠:阿布拉罕.路易.寶璣先生在1795年所發(fā)明,通俗來說就是為了抵消地心引力對腕表精度的影響而發(fā)明的一種調(diào)速裝置,百達(dá)翡麗5146的陀飛輪非常精密,由72個微小零部件手工制作完成,總重不超過0.2克,比一片天鵝絨羽毛還要輕。陀飛輪裸露在外有一些弊端,首先,陀飛輪是精密儀器,內(nèi)部也有機油,如果裸露在外,時常收到日光的照射,會使機油過快的揮發(fā),使走時精度受到影響,那就失去了陀飛輪最原始的意義。如果發(fā)現(xiàn)陀飛輪裸露在外的手表,可以百分百確定不是百達(dá)翡麗5146的腕表。

2. 百達(dá)翡麗5205機芯

肯定5396r好

百達(dá)翡麗5396R表殼采用18K玫瑰金材質(zhì),直徑38mm,白色的表盤跟金色的指針相互呼應(yīng),辨識度還是比較高的,上半部分的兩個圓形窗口分寫顯示星期和月份,十二點位置依舊附有PP的經(jīng)典標(biāo)識,十二點鐘是PP的經(jīng)典標(biāo)識,黑色的字體在白底的映襯下更顯清晰明朗。

透過藍(lán)寶石水晶玻璃的表背,機芯型號為Cal.324 S QA LU 2,每一個零件都經(jīng)過最嚴(yán)格的打磨和檢測過程,部件的側(cè)邊必須經(jīng)過緞紋磨砂處理,其斜角和凹口則進(jìn)行拋光。外露表面必須打磨光滑,但調(diào)節(jié)器組件除外,須拋光處理。螺栓頭必須經(jīng)過拋光或者飾以圓形粒紋,其邊緣和槽口均經(jīng)過倒棱處理。機芯必須符合技術(shù)加工和表面處理方面的多項嚴(yán)格要求,方能取得百達(dá)翡麗印記——PP的標(biāo)志,這也是無數(shù)表迷心中神圣的印記。

全新的百達(dá)翡麗5396“一年只錯一次”年歷腕表尺寸大小為38.5mm,白金款式配備有一條黑色暗澤鱷魚皮表帶,玫瑰金款式配備的則是一條棕色鱷魚皮表帶。它們的防水深度均為30米,無論是表盤正面還是表背都覆蓋有一面藍(lán)寶石水晶玻璃表鏡

3. 百達(dá)翡麗5146機芯

5146g-001百達(dá)翡麗重96克

百達(dá)翡麗5146G-001的手表屬于頂級手表,市場價格為371100.00。

作為年歷腕表的代表作 百達(dá)翡麗5146的功能也是相當(dāng)復(fù)雜。具備了年歷月份月相 星期 日歷。及動力存儲 39毫米的表徑 11毫米的厚度,藍(lán)寶石水晶玻璃鏡面 18k 玫瑰金材質(zhì),324的主力機芯 讓5146在復(fù)雜功能計時腕表中一直處于熱門并且非常保值。

4. 百達(dá)翡麗535機芯怎么樣

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(fù)責(zé)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(dǎo)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(fù)責(zé)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(dǎo)致畫面黑屏,花屏,條紋干擾,屏閃,屏保等異常現(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(dǎo)致黑屏,雪花點干擾,花屏等異常現(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(fù)責(zé)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(biāo)準(zhǔn)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(lán)色的箭頭是信號電路。

電源板負(fù)責(zé)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(fù)責(zé)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(fù)責(zé)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(dǎo)線、元件及集成電路引腳等。

萬用表

,萬用表又稱為復(fù)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(fēng)槍

熱風(fēng)槍主要是利用發(fā)熱電阻絲的槍芯吹出的熱風(fēng)來對元件進(jìn)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(dǎo)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(zhǔn)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(jìn)行檢修,也可以對比同一板件上相同的電路(對稱電路)來進(jìn)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(dǎo),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(fù)位來擺平;

液晶屏幕很脆弱,要維修時細(xì)(心)操作

平板維修費用高,學(xué)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(dǎo)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(fù)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(fù)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(fù)正常,故障一般就此解決,也經(jīng)常遇到5V電壓恢復(fù)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(dǎo)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(fù)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(jìn)入工廠調(diào)整模式進(jìn)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(dǎo)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(fēng)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(dǎo)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(dǎo)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(dǎo)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(fù)--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(xì)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(xì)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(dǎo)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(yuǎn)離化學(xué)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(xué)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(fù)。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(xí)氣

杜絕使用壞習(xí)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(fù)責(zé)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(dǎo)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(fù)責(zé)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(dǎo)致畫面黑屏,花屏,條紋干擾,屏閃,屏保等異常現(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(dǎo)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(fù)責(zé)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":"EUckd0E8woqg2ixQZxYcNcumn3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檢修,還是單一通道向公共通道檢修等等。","id":""}],"text":"","id":"Cokud4O2qoUuouxa4Ubc5sjRnuf"},{"type":"heading","attrs":{"level":3},"children":[{"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(jìn)行檢修,也可以對比同一板件上相同的電路(對稱電路)來進(jìn)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(dǎo),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(fù)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(xì)(心)操作","id":""}],"text":"","id":"N20edYIGSoeU0mxSLz2cZd8fnJx"},{"type":"paragraph","children":[{"type":"text","text":"平板維修費用高,學(xué)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(dǎo)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(fù)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(fù)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(fù)正常,故障一般就此解決,也經(jīng)常遇到5V電壓恢復(fù)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(dǎo)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(fù)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(jìn)入工廠調(diào)整模式進(jìn)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(dǎo)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(fēng)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(dǎo)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(dǎo)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(dǎo)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(fù)--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(xì)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(xì)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(dǎo)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(yuǎn)離化學(xué)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(xué)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(fù)。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(xí)氣","id":""}],"text":"","id":"UquIdAgkYoM22axczmCckeQ6nzg"},{"type":"paragraph","children":[{"type":"text","text":"杜絕使用壞習(xí)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

5. 百達(dá)翡麗325機芯

這些5000 元以下,這些手表值得買

縱觀當(dāng)下時尚街拍,除了耳熟能詳?shù)?Cartier、Rolex、Omega 等高端的傳統(tǒng)手表品牌外,越來越多的時尚達(dá)人開始選擇好看又好搭的輕奢時裝表。表界輕奢,指的大多是設(shè)計時髦、品質(zhì)優(yōu)秀的時裝表。它們的價格定位在 1000-5000 元人民幣之間,不用花很多錢,你也能擁有一塊體面的手表。

Dior、Chanel、Hermes 也有知名的腕表系列,但它們大都使用成本較高的稀有材質(zhì)、寶石鑲嵌、復(fù)雜機械機芯等,價位也屬高端。對于職場白領(lǐng)來說,要買一塊價格 5 萬人民幣以上的手表,真不算是小數(shù)目。但是,幾百塊的電子表可以搭配休閑服裝,在通勤時間卻多少顯得有點潦草。

反觀不少時裝品牌旗下的手表,不僅有響亮的品牌名,還有與當(dāng)季系列一樣時髦的設(shè)計、一樣可靠的品質(zhì)。比較重要的是,它們手表定價合理,性價比高,絕對值得入手!

因為時裝表是時裝品牌產(chǎn)品線有機的組成部分,款式上就總會融入服裝設(shè)計元素,能突出你敏銳的時尚品味。比如 Gucci 的經(jīng)典 GG 圖案被用于表帶和表盤上——與 Gucci 的包袋一樣,U-Play 系列手表就是以品牌識別度超高的 GG 圖案為主要設(shè)計元素。手表采用不銹鋼表殼、瑞士制造石英機芯,皮質(zhì)表帶則沿用了品牌獨有的 Guccissima 牛皮材質(zhì),所有表圈和表帶還可以替換,令這個系列表款的收集變得有趣。換言之,這塊表就是 Gucci 標(biāo)志性設(shè)計的一個小小縮影。

Gucci U-Play 系列 RMB4900

極簡,不僅是 Calvin Klein 服裝遵循的設(shè)計理念,也是腕表首飾的產(chǎn)品特色。簡潔、時髦、清新是 Calvin Klein 腕表給人的第一視覺感受,所有的手表都由瑞士設(shè)計團隊進(jìn)行設(shè)計,采用瑞士制造的 ETA 機芯,芯精準(zhǔn)、可靠,同時價格實惠,還配備 30 米日常防水功能。簡約而不簡單的設(shè)計,決定了 Calvin Klein 的手表適合日常各類服裝搭配。

Calvin Klein lively 活躍系列 RMB 1750

Armani Exchange Candy Stripes 系列 RMB1450

Marc By Marc Jacobs 是向來走年輕時尚路線的品牌,其手表設(shè)計也活潑俏皮,有許多標(biāo)志性的動物造型。小 Marc 眼看就要淡出市場,還不趕緊在它消失之前入手一塊,作為收藏?

Marc by Marc Jacobs Peggy 系列 RMB1790

Karl Lagerfeld 的手表可謂物超所值——整個腕表系列都由 Karl Lagerfeld 親自操刀設(shè)計,完全將其大膽非凡的風(fēng)格演繹在手表的設(shè)計上。比如比較具代表性的 Karl Zip,取材于老佛爺鐘愛的設(shè)計元素,外露的拉鏈不僅個性獨特,更具實用功能,可作多種配飾佩戴。對于手表的作用,老爺子這么說:“買不到時間,但你可以不費周章地買一枚好看的腕表來計劃時間。”

Karl Lagerfeld Karl Zip $350(Watch Station 售價)

Karl Lagerfeld 手表是潮人的街拍必備單品

造型夸張、閃耀的 Michael Kors 是比較近幾年的熱門時尚表款之一。它們的表款往往“金光閃閃”,特別適合與手鏈?zhǔn)骤C搭配,是時尚潮人的街拍必備。金屬材質(zhì)表帶的耐磨性和防過敏性都很好,更關(guān)鍵是它們價格親民。拿配備了計時碼表表盤、表圈鑲嵌方形寶石和定制三環(huán)手鏈的 Brinkley 系列來說,既有時髦的金屬外形,還有貴氣的寶石點綴,售價只有 3950 元。

Michael Kors Brinkley 系列 RMB3950

設(shè)計師將 Tory Burch 時裝中的傳統(tǒng)延續(xù)到腕表系列中,比如所有手表系列都以家族成員來命名。Reva 系列其實是取自 Tory 母親的名字 Reva Robinson,她很久之前就用這個名字命名了品牌的經(jīng)典平跟鞋,現(xiàn)在則將之沿用到手表。整個系列的設(shè)計再現(xiàn)母親 Reva 在上世紀(jì)六七十年代的時尚風(fēng)格,表盤采用標(biāo)志性的雙 T 徽標(biāo),造型大方典雅,表帶顏色豐富,價位在 5000 元以內(nèi)。誰說好貨不便宜?敢用母親大人的名字來命名,自然表示設(shè)計師對這款手表的信心。

Tory Burch Reva 系列 RMB3700

Viviene Westwood VV090GDBK$354(ASOS 售價)

原標(biāo)題:

百達(dá)翡麗老款手表535(百達(dá)翡麗535機芯)

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