Iingxaki ngokusasaza umabonwakude wedijithali: kutheni iziteshi zingasebenzi, akukho mqondiso, kukho ukuphazamiseka

Ngaphandle kokuzinza komqondiso, umfanekiso ophezulu kunye nesandi ngexesha losasazo lukamabonakude wedijithali, ubunzima ngamanye amaxesha buvela xa kusasazwa umabonakude wedijithali. Ngokubhekiselele koku, amajelo edijithali eTV asenokungafumaneki kwaye angabonakali. Kuyimfuneko ukuqonda izizathu zengxaki kunye nokuphelisa.

Yintoni enokuyenza ukuba akukho mqondiso wedijithali kamabonwakude kwaye zeziphi izizathu zengxaki

Ngaphambi kokuba uqalise ukulungisa ingxaki, kufuneka unqume isiseko sayo. Umqondiso wedijithali weTV unokunyamalala ngenxa yezizathu ezithile:

• i-multiplex iyekile ukusasaza umqondiso weTV;
• ukwenza umsebenzi wokulungisa;
• impembelelo yeemeko zemozulu;
• izixhobo ezingalunganga.

Okokuqala kufuneka uqiniseke ukuba iTV ibekwe kwindawo ethembekileyo yokwamkela umqondiso. Ukuba isixhobo sibonise umfanekiso kwaye siyeka, ngoko ke i- eriyali kusenokwenzeka ukuba ayiqhagamshelwanga ngokuchanekileyo . Ukuba izixhobo ezifakiweyo ziyimbangela yengxaki, ngoko kufuneka ufumane inqanaba lokuhanjiswa kweziteshi zeTV zedijithali: isofthiwe okanye i-hardware. Ukongeza, useto lweTV lunokungahambi kakuhle, emva koko lwayeka ukubonisa.

Ukupheliswa kosasazo lukamabonakude

Ukuba isignali kamabonakude wedijithali ayibanjwanga, kufuneka uqinisekise ukuba akukho londolozo lothintelo. Unokufumana malunga noku kwiwebhusayithi yosasazo, apho ishedyuli yomsebenzi wokuthintela kunye nokulungiswa kufuneka ishicilelwe. Ngethuba lomsebenzi wokuvavanya, i-multiplex yesibini ivaliwe kwaye ulwazi oluyimfuneko luqokelelwa, ngoko ukusasazwa kumiswe ngokupheleleyo. Ngoku kuninzi lwentsimi yaseRashiya kusetyenziswa ipakethe enye kumabonwakude.

Umsebenzi wokulungisa

Unokufumana malunga nomsebenzi wokulungisa kwiwebhusayithi rtrs.ru. Amaxesha amaninzi imisitho enjalo ibanjwa ngenxa yokonakala kwezixhobo kwinqaba yeTV okubangelwa yimozulu embi.

Ayibonisi TV ngenxa yeemeko zemozulu

Uphawu lwedijithali olubuthathaka lunokubakho ngenxa yemozulu embi. Umoya onamandla, imvula, iindudumo zichaphazela umgangatho wokwamkela umqondiso. Kule meko, umgangatho womfanekiso kunye nesandi siwohloka, umfanekiso uboniswa kwizikwere, okanye kungabikho mqondiso nonke.

Kule meko, kufuneka ujonge izikhombisi zenqanaba lesignali. Ukuba ixabiso labo liphantsi, kufuneka liphakanyiswe phezulu.

Impembelelo yeemeko zemozulu ayinakuba sisizathu sokuphulukana ngokupheleleyo namajelo eTV edijithali. Oku kunokunciphisa umqondiso kuphela.

Iihardware ezingalunganga

Ukuba isandi siba siphakathi, kwaye umfanekiso ukumgangatho ophantsi, ngoko kunokwenzeka ukuba ingxaki idalwe zizixhobo ezingalunganga. Ukuqhekeka kunokukhokelela ekungabikho ngokupheleleyo komfanekiso wedijithali. Iimpazamo zinokunxulumana noku:

1. Ngeeriyali . Kufuneka uqinisekise ukuba i-eriyali ijoliswe kwinqaba yeTV. Ii-eriyali zangaphakathi ziyasilela kancinci kakhulu kunezo zangaphandle. Njengomthetho, ukungasebenzi kakuhle kwenzeka ngenxa yeendudumo, imimoya enamandla yomoya okanye imvula. Ukuqwalasela kwakhona umamkeli akunako ukunika naziphi na iziphumo. Ukumisela impazamo kwaye uyilungise, kufuneka wenze la manyathelo alandelayo:
   • khangela umbane kumthombo wamandla;
   • khangela intambo kunye neeplagi;
   • ukuba ukujonga izixhobo akuzisombululi ingxaki, qhagamshela i-eriyali entsha.
2. Ngokuncamathisela . Kulula kakhulu ukulungisa i-set-top box. Xa ivuliwe, i-diode ekhethekileyo ikhanyisa ngokukhanya okumnyama okanye ayikhanyi konke konke. Ukuba akukho senzo senzekayo ngelixa ucofa amaqhosha asuka kwisilawuli kude, emva koko i-set-top box inempazamo. Kufuneka utshintshwe kwelinye kwaye ukhangele ukunikezelwa kwesignali yedijithali. Iingxaki ezinokwenzeka ngesimaphambili:
   • Usasazo lukamabonakude lusenokungafumaneki ngenxa yenguqulelo ephelelwe lixesha yomamkeli , ekufuneka itshintshwe kufakwe entsha.
   • I-firmware ekumgangatho ophantsi we-set-top box ingaba sisizathu sokungabikho kwesignali. Ukuba i-set-top box iphelelwe yisikhathi, kufuneka ukhuphe i-firmware entsha kwiwebhusayithi esemthethweni yomenzi, kwaye uyihlaziye. Ukwenza ukukhanya okugqibeleleyo, kungcono ukubhenela kwiingcali.
   • Umbhalo malunga nokungabikho komqondiso unokuthi kwenzeke ngenxa yokusetha kwakhona okuzenzekelayo . Ukulungisa ingxaki, kufuneka uqinisekise ukuba isignali yeTV ifunyenwe ngokuchanekileyo kwaye wenze uphando olutsha kwiitshaneli zeTV.

   Ibhokisi yokumisela-phezulu ifuna ukulungiswa ukuba:

   • akukho mboniso kwisikrini ukuba kukho izixhumi ze-tulip ezisebenzayo;
   • kukho ukuqalisa kwakhona okuzenzekelayo kwithuba elithile emva kokuba useto lwenziwe;
   • ngelixa ukhangela amajelo e-TV, akukho lwazi malunga nomgangatho wesignali ye-TV xa i-eriyali ivunyiwe.
3. Ngentambo kunye nalo lonke unxibelelwano . Ezi ngxaki zisenzeka rhoqo. Ngokuyinxenye, ikhebula libekwe kwisitrato, ngoko ke, ngokusetyenziswa ixesha elide, ukuvuthuza kutshatyalaliswa kwaye kucinywe, ukuqhekeka kubonakala. Kuyimfuneko ukugqiba ukuba ngaba kukho ukuphulwa kwemfezeko nayiphi na intambo yokudibanisa. Ukuba umonakalo ufunyenwe, intambo iya kufuna ukutshintshwa.

Kutheni iTV yedijithali ingabonakali (okanye ingabonakali kakuhle) kwaye wenze ntoni ukuba amajelo angasebenzi (akukho mqondiso): https://youtu.be/ZL5Qs_K4xvU

Iingxaki ezinokwenzeka ukuba kutheni umabonwakude engabambi amajelo edijithali / engabambi ngokuyinxenye

Iingxaki zokubonisa amajelo kamabonakude edijithali anokuba ziindidi ezininzi. Makhe siziqwalasele ngokweenkcukacha.

Ayilulo lonke uluhlu lwesitishi lufunyenweyo

Emva kokuba ukhangelo oluzenzekelayo lwenziwe, ayizizo zonke iitshaneli zeTV ezinokufunyanwa. Kunokwenzeka ukuba umamkeli akazange afumane ipakethi yesibini, kwaye ngoku kuya kufuneka ukukhangela ama-frequencies enqaba yosasazo yeTV ekufutshane. Kule meko, unokufumana zonke iitshaneli usebenzisa ukukhangela ngesandla. Amaxesha amaninzi isizathu sokuba ayizizo zonke iitshaneli ezifunyenweyo inokuba yi-eriyali ngokwayo. Kufuneka kukhethwe ngokuhambelana nomgama osuka kwinqaba kwindawo ethile:

• ukuba inqaba ikumgama we-1-2 km, ke kuphela i-antenna eqhelekileyo yangaphakathi ingasetyenziswa;
• ukuba inqaba ibekwe kwi-radius ye-20-30 km, ngoko kufuneka kusetyenziswe i-antenna ene-amplifier yomqondiso;
• kumgama we-30-70 km, kufuneka uthenge i-antenna yangaphandle kunye ne-amplifier.

Indlela yokwenza i-eriyali ye-DVB-T2 kumabonwakude wedijithali ngokwakho ichazwe kwinqaku elilandelayo .

Ukusebenzisa iamplifier enamandla kakhulu ngokungeyomfuneko kunokukhokelela ekuthotyweni komqondiso.

Kutheni ingabonisi iTV yedijithali ngokupheleleyo

Oku kungenxa yokukhetha igalelo levidiyo engalunganga okanye ukungatshintsheli iTV kwiAV okanye HDMI. Kufuneka kwakhona ujonge ukuba isimaphambili siyasebenza na . Oku kunokubonwa ngokukhanya kwesalathisi, esikhanyisa eluhlaza xa sivuliwe. Ukuvula i-set-top box, sebenzisa isilawuli kude okanye iqhosha elikuyo.

Umamkeli uvuliwe, kodwa akukho signali yedijithali yeTV

Kule meko, kunokwenzeka ukuba i-eriyali enqanyuliweyo okanye i-amplifier kuyo. Kufuneka ukhangele ukuba iqhagamshelwe, uyikhuphe kwaye uyifake emva, kwaye uphinde ukhangele ngokuzenzekelayo.

Kubhaliwe ukuba akukho nkonzo, kwaye i-autosearch ayifumani nto

Kwimeko yokufumana umqondiso obuthathaka, uphendlo oluzenzekelayo lutsiba amajelo eTV, kwaye uphendlo lwencwadana lwefrikhwensi nganye luya kubonisa amandla nomqondiso obuthathaka kakhulu.

Kukho “iifriezes”: umfanekiso uyahlukana ube ngamatyhubhu

Kufuneka ujonge amandla omqondiso. Ukwenza oku, cofa iqhosha loLwazi kulawulo olukude. Oku kugqwethwa komfanekiso kubonakala ngenxa yokuba kude kwenqaba okanye izakhiwo ezinkulu eziphazamisa ukwamkelwa komqondiso weTV. Ungayisombulula ingxaki ngokwandisa isignali usebenzisa i-eriyali esebenzayo. Kwizinga eliphezulu kunye nomgangatho ophantsi, kuya kufuneka wenze ukulungiswa kwe-eriyali. Unokuzama ukuzisa i-eriyali ngaphandle kwaye uzame ukufumana indawo efanelekileyo (umzekelo, yiphakamise). Ngomgangatho ophantsi kunye nokuqina, kukho imfuneko yokukhulisa umqondiso.

Ukuba “ifriezes” ibonakala rhoqo, oku kubonisa uphawu olubi okanye utshintsho kwimeko yomoya.

Umboniso ombi womabonakude wedijithali – umqondiso ombi kunye nomgangatho wemifanekiso

Ukuba amandla omqondiso aphakamileyo kwaye umgangatho womfanekiso awumkelekanga, i-eriyali iya kufuna ukulungiswa okanye ukutshintshwa. Kufuneka ijikwe. Amadevu ahambelana noluhlu lwemitha, kwaye ikhonkco inxulumene noluhlu lwe-decimeter. Nantso ke into efuna ukujikeleziswa. Kufuneka ufumane indawo efanelekileyo ye-antenna – hamba malunga negumbi kunye nayo, uye kwifestile. Iindonga zekhonkrithi ezomeleziweyo, iifestile zeplastiki (izakhelo) zinokuphazamisana nosasazo lwedijithali lweTV.

Umfanekiso ongekho mfiliba

Le yenye yezona ngxaki zixhaphakileyo phakathi kwabasebenzisi bakamabonakude bedijithali. Umzekelo, iTV enediagonal ye-intshi ezingama-40 okanye ngaphezulu inokuba nomfanekiso ongekho ngqiqweni, ongacacanga. Iiparamitha eziqhelekileyo zomabonakude wedijithali zithatha usasazo lomfanekiso ngesisombululo se-720×576. Ukuba iTV inediagonal enkulu, umfanekiso uya kuba luzizi okanye iipixels ziya kubonakala. Kwabahloli abane-diagonal enjalo, usasazo olungcono lweTV luyafuneka – umzekelo, i-HD (1280×720) kunye ne-Full HD (1920×1080). Kukho iindlela ezimbini zokulungisa imeko:

1. Faka iodolo yeepakethe zetshaneli zeHD kunye nomboneleli wenkonzo . Ukuqwalasela umfanekiso ocacileyo kunye nomhle kwisikrini esine-diagonal enkulu, oku kuya kuba yinto engcono kakhulu.
2. Sebenzisa iTV endala enediagonal encinci . Nangona le mida, umfanekiso uya kuba kumgangatho ophezulu.

Imbonakalo yelitha (ikhephu) kwiscreen

Iingxaki ezinjalo zinokwenzeka naxa ubukele umabonwakude wedijithali. Oku kunokwenzeka ngenxa yocingo oludibanisa iSTB okanye umamkeli kumamkeli weTV. Ukusombulula ingxaki, kufuneka usebenzise enye intambo.

Kukho umkhenkce, umfanekiso uyawohloka

Kule meko, kungcono ukuqhagamshelana nenkxaso yezobuchwepheshe yomnikezeli wenkonzo ukwenzela ukuba iingcali zifunde umrhumi okanye izixhobo zesikhululo kwaye zinqume umthombo wengxaki. Ngombulelo kwimiyalelo ekhoyo, kulula ukuchonga isizathu sokuba umabonwakude wedijithali engabonakali kwaye ayiphelise. Ukuba zonke izenzo ezithathiweyo aziphumelelanga, ngoko unokubonisana simahla kwiziko lenkxaso yobugcisa kwingingqi yakho kwaye ubize iituneli zobuchwephesha ekhayeni lakho.