Gyara DVRs hannuwansu: zane, umarnin, shawarwari, da kuma sake dubawa

Modern DVRs suna sanye take da high quality tsaro tsarin. Duk da haka, wani lokacin suna rasa domin kauce wa daban-daban kasawa. A cikin na'urar model ne quite kama. Standard makirci DVR hada da wani processor, connector da buga kewaye hukumar.

Kamara ne a haɗe da shi ta hanyar wani na musamman jirgin kasa. A siginar da aka daukar kwayar cutar via photoresistor. Har ila yau DVRs shigar capacitors daban-daban. Wasu model amfani da module da memory naúrar.

Zafi fiye da kima da misali DVR Gmini HD90

Lokacin da overheated a rana gyara DVR Gmini HD90 da hannuwansu kamata a fara da yawon shakatawa na kewaye hukumar. Matsalar sau da yawa ya ta'allaka ne a photoresistors. A high zazzabi fis din ba zai iya kare su. Don duba DVR, kana bukatar ka cire murfin model. Next, kana bukatar ka cire kamara kuma a hankali kwance da buga kewaye hukumar. Idan tashoshi mãsu shiga duhu, sa'an nan na canza gaba daya. Sa alama ƙunshi cikakkun bayanai a kan Reverse gefen.

Sound matsaloli a DVR: umarnin don gyara matsala da feedback Ma'aikata

Sound matsaloli faruwa quite sau da yawa. Gyara mota DVR da hannuwansu a cikin wannan halin da ake ciki kamata a fara da module jarrabawa. Wani lokaci matsalar ta'allaka ne da kuzarin kawo cikas, amma wannan da wuya ya faru. Don duba kamara a koyaushe, cire murfin da DVR.

Bugu da ari, shi wajibi ne don cire haɗin tsaro kamara madauki. Za ka iya zuwa kwance cikin buga kewaye hukumar. A modulator a cikin wannan hali ya zama kusa da haši. Kana bukatar kuma ka duba lambobin sadarwa. Idan ka yi imani da masana 'ra'ayi, yana yiwuwa su yi kokarin sa kewaye juriya ma'aunai. Duk da haka, wannan na bukatar da magwajin. A kan talakawan, a koyaushe juriya dole ba wuce 55 ohms.

Matsaloli tare da tsarin aiki a kan misali na Viaccess 605 mabukaci reviews

Idan ka yi imani da sake dubawa na masu amfani da, suka sukan fuskanci matsaloli saboda da tsarin aiki. Yawanci, wannan na faruwa a lokacin da lalace bar modulator. A wannan yanayin shi ne yiwu a gyara hannuwansu. Viaccess DVR 605 yana bukatar ya bincika. A saboda wannan dalili, da murfi da aka ware da kuma bari da waje lambobi na PCB.

Wannan ne bi kai tsaye duba modulator. Don yin wannan, a hankali cire haɗin kamara kuma na USB. A mataki na gaba shi ne don cire modulator da sukudireba. Yawanci, matsalar da yake a cikin ƙaho lambobi. A wannan halin da ake ciki, abun zai canza gaba daya. Wannan tsari ne kafa modulator waya nau'in.

Gyara da connector daga DVR

Connector a DVR ne ke da alhakin yada da sigina daga modulator. Ya karya saukar da sau da yawa ta hanyar inji mataki. Gyara DVRs da hannuwansu a cikin wannan yanayin ne quite sauki aikatãwa. A farko model tare da dunƙule hula. Bugu da ari, yin gyare-gyare da hannuwansu DVRs (ko da manufacturer) ake bukata don duba da buga kewaye hukumar, kuma a modulator.

Idan sun kasance duk domin, za ka iya cire haši. Wani lokaci yana da lambobin iya overheat. A wannan yanayin, gyara DVR ne kusan ba zai yiwu. Idan Lambobin ba su lalace, kana bukatar ka yi amfani da forceps da kuma cire abu. A mataki na gaba shi ne, don su bincika bawul a kan shi. da juriya darajar kada wuce 50 ohms. Idan magwajin nuna wani sabawa daga na kullum, sa'an nan, za su yi solder sabon haši.

duba haši

Igiyar wutan daga DVR an haɗa via wani haši. Wani lokaci dangane da aka karya da kuma da na'urar daina aiki. Gyara DVRs da hannuwansu a cikin irin wannan hali, ya kamata ka fara da gwajin kwasfa. Domin wannan shi wajibi ne don inganta model. PCB ta kamata ba za a gaji da damuwa. A connector aka located in a gidaje a kusa da haši. Don duba shi, da don matsawa a cikin shugabanci na skid farantin. Bayan haka, tushe soket wajibi ne don pry. Wannan za a iya yi amfani da wani sukudireba. Idan bayani ne bayyane inji lalacewa, to, shi zai yi a maye gurbin. Saya masu haɗin a cikin kantin sayar da ba zai zama da wuya. Duk da haka, ya kamata mutum ya san ainihin gyare-gyare.

Maye gurbin kewaye hukumar a DVR

PCB DVR ne mai sa na abubuwa domin tsarin management. Lokacin da suka kasa, da na'urar bai yi aiki ba. Gyara DVRs da hannuwansu a cikin wannan harka za a iya yi ta cire murfin. Don cire PCB, kana bukatar wani sukudireba. A wannan mataki yana da muhimmanci kada su lalata da amfilifa, wanda aka located daga kanta. Bayan disconnecting da PCB duba duk ramummuka da kuma tsabtace su.

Matsaloli tare da jirgin kasa daga DVR "Kark da Q3"

Idan ka yi imani da sake dubawa na masu amfani da, sa'an nan kuma wannan DVR matsaloli tare da jirgin kasa akwai quite sau da yawa. Ya ce bangaren ne sosai capricious da kuma kula da mummunan yanayin zafi. Code shi karya, kawai rasa sadarwar da kamara, amma ƙwaƙwalwar na'urar via da PC ne har yanzu akwai. Gyara DVR "Karki" da hannuwansu a cikin hali na breakage madauki ya kamata a fara da cire murfin. Don samun zuwa ce part, za a cire buga kewaye hukumar.

Bayan nan, don cire haɗi da kamara kai tsaye. Zephyr daga wannan DVR ne a haɗe via musamman haši. Domin saita shi free, zai yi amfani da wuka. A wannan yanayin, yana da muhimmanci kada su lalata da waya Ai daga baturi. A mataki na gaba shi ne don a hankali cire madauki. Idan akwai bayyane ãyõyin lalacewa, wanda ke nufin cewa shi yana buƙatar a musanya. Bayan installing wani sabon bangaren, ku kawai bukatar sake tanƙwara connector da kuma gyara da yanki da tabbaci.

Maye gurbin photoresist a misali na DVR "Navigator"

Idan ka yi imani da sake dubawa na masu amfani da, da zafi fiye da kima a cikin rana a photocell model sau da yawa ke sauka (a kasa ya nuna da wayoyi zane na DVR "Navigator"). Gyara hannuwanku a cikin irin wannan hali za a iya sanya. A farko wuri za su cire murfin kuma kwance cikin buga kewaye hukumar. Photoresistor da model ne dake kusa da condenser. Don samun to da shi, kada ka cire haɗin kamara.

Kawai cire na USB da kuma cire haɗin naúrar. Za ka iya duba da photoelectric cell. Yana kama wani m magana. Saka a kan ce kashi via da waya wadda take kaiwa zuwa haši. Idan matsalar ne shi, sa'an nan, za su yi amfani da wata blowtorch. Burnout photoresist bukatar saya wani sabon bangare. Saita shi da wani soldering baƙin ƙarfe ne, ba wuya.

Gyara module a misali na DVR "Karki Q2 ne"

A koyaushe a kan DVR bukatar sarrafa kamara. Lokacin da matsalar aiki na samfur siginar da aka kawota zuwa ƙwaƙwalwar naúrar. A irin wannan halin da ake ciki shi ne yiwu a gyara hannuwansu. DVR "Karki Q2 ne" domin wannan dalili dole ne a katse. Located gaba da module kewaye hukumar. Amma kai da shi, wanda dole ne farko cire haɗin naúrar.

Next za a cire kamara daga jirgin. Kawai sai za mu iya ganin a koyaushe, wanda shi ne m ga mai rabawa. A kasa biyu lamba bangaren located. A wasu lokuta, suka ƙona fita saboda short haihuwarka. Don warware wannan matsala, a koyaushe dole ne a cire da kuma sake soldered. Wuya a magance da irin wannan matsala. A wannan yanayin shi ne mafi alhẽri a tuntuɓi wurin sabis. Duk da haka, a cikin hanyar gazawar kuma za a iya tara kura. Domin warware wannan matsala, ku kawai bukatar tsaftace lambobi tare da auduga swab da kuma sake tara da DVR.

Summing up

Wannan ya ce, ya kamata mutum ya yi sakaci da dokokin yin amfani da DVR. Idan dole, jarrabawa na model, za ka iya ko da yaushe rike naka. Duk da haka, kafin na'urar gyara dole tantance har na lalacewa da kuma yin wani informed yanke shawara. Wani lokaci shi ne mafi alhẽri hada DVR cibiyar sabis kuma ka yi shãwara da gwani.