Indlela yokudibanisa ngokufanelekileyo i-digital set-top box kwaye usete umamkeli

Ukudibanisa kunye nokuqwalasela ibhokisi ye-TV yedijithali akufanele ibe yingxaki kumsebenzisi ngesifundo esicacileyo kunye nokuthotyelwa ngokungqongqo kwiingcebiso kunye nemiyalelo yesinyathelo-nge-nyathelo ecetyiswayo kwinqaku.

Izixhobo eziyimfuneko zokudibanisa i-TV set-top box: ukuhlaziywa kwevidiyo

Ukuze ukwazi ukusasaza ngefomathi yedijithali kwi-TV endala okanye entsha, kuya kufuneka uthenge izixhobo ezithile:

• ibhokisi yokubeka-phezulu ngenkxaso yefomati ye-DVB-T2 ;
• intambo ethembekileyo eneziqhagamshelo ezifanelekileyo;
• i- eriyali yosasazo lomqondiso we-TV.

Ibhokisi yokumisela-phezulu (umamkeli) kamabonakude wedijithali

Imfuneko yokuthenga i-digital set-top box okanye i-receiver ilele kwinto yokuba inceda ekuguquleni uguqulelo oluntsonkothileyo lwedijithali olufunyenwe luphawu lwedijithali kwi-TV.

Ezinye iiseti zikamabonakude eziveliswe emva ko-2012 sele zinetuner yedijithali njengomgangatho. Oku kuphelisa isidingo sokuthenga umamkeli owongezelelweyo – unokuqalisa ngokukhawuleza ukulungisa i-eriyali.

Ukuba iTV ayinayo ituner yedijithali, kuba yimfuneko ukuthenga ibhokisi yangaphandle eseti-top. Imodeli yomamkeli kufuneka ithathele ingqalelo ezona mfuno zisezantsi zomgangatho wamva nje:

1. Ukukwazi ukuxhasa i-DVB-T2 . Imifuziselo yeTV inokuba netuner yedijithali yefomathi ye-DVB-T endala yokufumana isignali yeTV, kodwa le yifomathi yakudala kwaye ayiyi kufaneleka kwiimeko ezintsha.
2. Ubukho benkxaso yevidiyo kwifomathi ye-mp4 . Ikuvumela ukuba udlale iividiyo ezikumgangatho ophezulu.

Ibhokisi yokuseta-phezulu inokunikwa iimpawu ezongezelelweyo ezifanelekileyo kubasebenzisi xa beqhagamshela iiTV ezindala kumamkeli:

1. Ubukho be-USB . Ubukho besi siqhagamshelo senza ukuba sikwazi ukudibanisa i-flash drive kunye neefilimu kumamkeli wokujongwa kwi-TV enkulu. Kule meko, akukho mfuneko yokuxhuma kwi-Intanethi.
2. Inkqubo yokumisa usasazo lweTV ngexesha losasazo oluphilayo kunye nokurekhodwa kwi-hard drive ukuze ijongwe kamva.
3. Inkxaso yokudibanisa kwi-router . Kunokwenzeka ukudibanisa usebenzisa i-Wi-Fi okanye ngokusebenzisa uxhumano lwe-LAN (iingcingo).
4. Inkqubo yokusebenza Android . Enkosi kwesi sicelo, iTV yakudala yasekhaya iya kwanela ukwenza iziko lokuzonwabisa lemultimedia.

Xa udibanisa izixhobo kwii- Smart TV zanamhlanje , akukho mfuneko yeendleko ezongezelelweyo zokuthengwa kwebhokisi ebiza kakhulu, kuba isethi yeTV iya kuba nenkqubo yayo yokusebenza. Olu phawu lwenza isixhobo sibe ziziko lemultimedia. Kule meko, usasazo lwedijithali lwe-TV luya kufumaneka nkqu ne-eriyali yexabiso eliphantsi exhasa ifomathi ye-DVB-T2. Ungayikhetha njani i-DVB T2 set-top box ngo-2020: https://youtu.be/Z5zluZx2CjM

Intambo

Umgangatho wemifanekiso ephezulu yefomathi yosasazo yanamhlanje ifuna ukusetyenziswa kwentambo ye-HDMI. Imele uphuhliso lwamva nje nolona luphambili kubuchwepheshe bonxibelelwano ngefowuni. Ngocingo olunjalo, umgangatho womfanekiso uya kuba HD. Kwezinye iimeko, kuyimfuneko ukudibanisa ibhokisi entsha ye-digital set-top kwi-TV endala. Isixhobo seTV sinokuxhotyiswa ngamachweba aphelelwe lixesha – “tulips” (isinxibelelanisi seRCA). Ukuqhagamshela izixhobo zezizukulwana ezahlukeneyo, kufuneka uthenge i-adapter ye-RCA-HDMI eyongezelelweyo. Eli khonkco liya kudibaniswa ngocingo kwelinye icala ukuya kwi-RCA yokuphuma, kwaye kwelinye ukuya kwi-HDMI. Indlela yokukhetha intambo yeHDMI? https://youtu.be/IoyjxyVg_Gw

I-antenna

Ulwamkelo lwefomathi yosasazo yedijithali yanamhlanje ye-DVB-T2 inokwenzeka phantse ngayo nayiphi na i-eriyali. Ukuba akukho siphazamiso ngexesha losasazo lwe-TV ye-analog kwaye isandi kwi-TV asizange siphele, ngoko ke isixhobo esinjalo sinokusetyenziselwa usasazo lwedijithali.

Indlela yokwenza eyakho i-eriyali kamabonakude wedijithali ixutyushwa ngokweenkcukacha kwelinye inqaku .

Ngokwengxelo evela kubasebenzisi bee-eriyali ezindala, kwiimeko ezithile, ukufumana ifomathi entsha yokusasaza kunokwenzeka nokuba i -antenna encinci yangaphakathi . Kule nkalo, xa udibanisa umabonwakude wedijithali, akuyimfuneko ukuchitha imali ekuthengeni i-antenna entsha.

Ukuba bekukho ukuphazamiseka ngexesha losasazo lwe-analog, ngoko kuya kuba yimfuneko ukuthenga i- amplifier ye-TV ekhethekileyo . Esi sixhobo siya kufuneka ukuba i-TV tower ikumgama omkhulu kakhulu ukusuka kwi-eriyali.

Iamplifier kufuneka ikhethwe, iqinisekisa ukuba iiparamitha ezithile zinokuxhaswa:

1. uluhlu lwamaza . Ngokweengcebiso zeengcali, i-broadband amplifiers kufuneka ikhethwe ngenxa yokukwazi ukubamba amajelo amaninzi e-TV.
2. Umgama weyona nqaba kamabonwakude ikufutshane . Ukuba indlu ibekwe kumgama ongaphezu kwe-150 km ukusuka kwinqaba yeTV, ukuthenga i-amplifier kuya kuba lilize. Ngokutsho kweengcali, kuya kufuneka kuphela isitya sesathelayithi.
3. Ukuzuza (iyunithi – iidecibels). Kungcono ukuthenga i-amplifier esebenza ngaphakathi kwe-10-20 dB. Ezi zizibonakaliso eziqhelekileyo, eziya kukwanela ukufumana isignali yeTV ephezulu. Ukuba unezixhobo ezinamandla kakhulu, inani leziteshi ezongezelelweyo ziya kunyuka, kodwa umfanekiso uya kuba kumgangatho ophantsi.
4. Isalathiso sengxolo . Eli xabiso kufuneka libe lincinci – lingabi ngaphezu kwe-3 dB.

https://youtu.be/TzPEDjIGi00

Indlela yokudibanisa i-digital set-top box kwi-TV: iindlela ezahlukeneyo kunye nemiyalelo yevidiyo

Ukuqhagamshela ngokufanelekileyo i-digital set-top box kwi-TV yakho, kuya kufuneka usebenzise intambo ye-HDMI yale mihla okanye i-RCA isidibanisi ukuba akukho ezinye iinketho.

HDMI

Lolona khetho lwangoku oludibanisa izixhobo ezininzi zedijithali. Le teknoloji ihambisa isandi sefomethi engcono ngaphandle kokulahlekelwa iiparamitha zokuqala.

Ukukhusela idatha ekukopeni, izixhobo zanamhlanje zisebenzisa indlela ekhethekileyo yokukhusela eyakhelwe-ngaphakathi. Okukhona intambo ye-HDMI ibiza kakhulu, kokukhona ulwazi olugqithisiweyo lukhuselekile ngakumbi luya kufihlwa.

Iphaneli yangasemva kwi-TV kunye ne-receiver kufuneka ixhotyiswe nge-flat HDMI connector. Ungadibanisa amacandelo kuphela ngokufaka iziphelo zentambo kumazibuko amabini ngaphandle kweeadaptha ezongezelelweyo. I-drawback kuphela yentambo ye-HDMI yindleko ephezulu yezixhobo. Unokufezekisa ugcino oluthile ukuba awusebenzisi ukubukela kwi-TV yasekhaya ye-4K. Emva koko unako ukufumana ngekhebula le-ruble ye-500 xa usebenzisa zonke iingenelo zobuchwepheshe. Nangona oku ayisiyiyo eyona ndlela ilungileyo, ukuhanjiswa komfanekiso we-Full HD kuya kwenzeka. Ibhokisi emiselweyo yosasazo lukamabonakude wedijithali idityaniswe kwimeko enjalo ngokwesona skimu silula. Uyifakela njani, uqhagamshele kwaye uqwalasele iTV DVB T2 umamkeli osemhlabeni wedijithali: https://youtu.be/KwhhnRAljYs

Intambo yeRCA

Uqhagamshelwano usebenzisa imodyuli yeRCA yifomu ephelelwe lixesha. Abasebenzisi bavame ukuyibiza ngokuthi “tulip” okanye “bell”. I-wire iqulethe ii-cores ezi-3 ezinemibala eyahlukeneyo yeeplagi. Abavelisi basebenzise ngokukodwa ukwahlula kwemibala ukwenza kube lula kubantu ukumisela ulandelelwano lwezixhobo zokudibanisa.

Njengomthetho, uxhulumaniso olunjalo lusetyenziselwa ukudibanisa iiTV ezindala kwi-digital receiver entsha. Kwimeko enjalo, sebenzisa i-adapter ye-RCA-HDMI ekhethekileyo.

Ngaphakathi kocingo kukho ii-cores ezihlukeneyo, nganye yazo inomsebenzi othile. Isibonakaliso sevidiyo sithunyelwa ngokusebenzisa i-port enye, i-audio signal idluliswa ngokusebenzisa iingcingo ezimbini zetsimbi. Ukungalungi okubalulekileyo konxibelelwano olunjalo kukuxutywa kwesiginali yevidiyo ngenxa yokuhanjiswa kwemijelo emininzi kwitshaneli enye. Oku kubangela ukugqwetheka komfanekiso. Indlela yokudibanisa i-DVB-T2 ye-digital set-top box kwi-TV nge-HDMI kunye nentambo ye-RCA ichazwe kule vidiyo ilandelayo: https://youtu.be/4KrR7wVUudw

Ukuqhagamshela intambo kwi-eriyali

Ngolu xhulumaniso, kusetyenziswa intambo ye-coaxial, equka la macandelo alandelayo:

• umqhubi ophakathi;
• i-dielectric insulation;
• umaleko okhuselayo wangaphandle;
• sheath ukukhusela umqhubi kwiimpembelelo ezimbi zangaphandle.

Ucingo kufuneka lukhethwe ngokuqwalasela i-sheath yangaphandle ukwenzela ukuba inikeze ukukhuselwa okuthembekileyo kwendawo yangaphakathi kumonakalo onokwenzeka. Njengomthetho, i-PVC okanye i-PE isetyenziselwa ukuveliswa kwemigangatho yangaphandle. Ingqwalasela ekhethekileyo kufuneka ihlawulwe kwi-thickness of the coating – kuxhomekeke kwindlela ucingo luya kukhuselwa ngayo kuxinzelelo lomatshini.

Ngaphambili, abavelisi basebenzisa i-sheath yemibala eyahlukeneyo (emnyama, emhlophe), kunye neengcali zicetyiswa ukuba zithenge ukhuseleko olumnyama xa ucingo lubekwe kwicala lesitrato sesakhiwo. Ngoku lo mahluko awubalulekanga: zonke iileya zikhusela undoqo kumonakalo.

Kuya kuba ngcono ukuba i-foil yensimbi ene-braid yentsimbi eyahlukileyo yayisetyenziselwa ukwenza umqhubi. Isidingo salo maleko sibalulekile ukunciphisa ukuphazamiseka kwangaphandle kwizixhobo zombane ezikufutshane neTV. Undoqo osembindini kufuneka ube ngobhedu. Ngokutsho kweengcali, oku kunegalelo ekudluliseleni umgangatho ongcono kwisikrini.

Ukudibanisa i-set-top box kwi-TV yeSoviet

Abemi abaninzi basenayo i-TV ye-Soviet-era, ekhutshwe ekuqaleni kwe-90 yekhulu lokugqibela. Ukudibanisa ummkeli kwizixhobo ezinjalo akuwona umsebenzi olula ngenxa yokungabikho kwezixhumi “ze-tulip” kuyo. Ngoomabonakude abathile baxhotyiswe ngeziphumo ezinqabileyo, ziimpawu zecandelo kuphela ezinokufunyanwa. Kukho iinketho ezimbini zokujongana nale miba:

• ukukhangela isekethe kumqhubi kwi-input A / V kwi-scart kunye nokutywinwa kwayo okuzimeleyo;
• ukuthenga kwivenkile ye-adapter ekhethekileyo yokudibanisa intambo ye-RCA kwi-receiver okanye i-adapter cable.

Kukho nee-TV ze-Elektron ezindala, ezingaboneleli nawaphi na amagalelo, ngaphandle kwe-eriyali. Ngesi siqhagamshelo, i-TV iya kufumana isignali emoduliweyo kunye nefrikhwensi ephezulu. Ukubukela umabonakude wedijithali kwisixhobo esinjalo, kuya kufuneka uthenge imodyuli eyongezelelweyo exhotyiswe nge-RCA. Indlela yokudibanisa i-digital set-top box kwi-TV endala usebenzisa i-modulator board ye-Rf ichazwe kwividiyo engezantsi: https://youtu.be/4aqEcGDw0rc

Indlela yokudibanisa iTV yedijithali kwiiTV ezimbini ngexesha elinye

Njengomthetho, umamkeli wedijithali uqhagamshelwe kwiTV enye. Ukuba kukho abamkeli bakamabonwakude abaninzi ekhaya, bahlala besebenzisa iibhokisi ezahlukeneyo zokuseta nganye kuzo. Nokuba kuthathelwe ingqalelo ixabiso eliphantsi lomamkeli, abasebenzisi bahlala bezama ukuphepha iindleko ezingeyomfuneko kwaye bathenge ibhokisi enye yokumisela iiTV ezimbini. Le meko inokwenzeka ngokuxhomekeke kwizithintelo ezithile:

• Omnye wabamkeli beTV kufuneka baxhotyiswe nge- HDMI input . Ithuba lokusebenzisa iiseti ezimbini zeTV ezindala azibandakanywa.
• Enye kunye nenye i-TV iya kuba nomfanekiso ofanayo ngenxa yokungakwazi ukubukela amajelo amaninzi e-TV kuwo ngexesha elinye.
• Ukutshintsha kwesitishi kuya kwenzeka kuphela kulawulo olukude lweTV engundoqo (ngeHDMI). Ukutshintsha isitishi seTV kwisibini seTV, kufuneka uye kwelinye igumbi, kuba ulawulo olukude aluyi kusebenza eludongeni.

Ukuqhagamshela i-TV yedijithali kwi-TV kwi-TV kwenzeka ngala manyathelo alandelayo:

1. Intambo yeHDMI ifakwe kwisidibanisi seTV engundoqo kwaye iqhagamshelwe kwigalelo elifunekayo kumamkeli.
2. Ukudityaniswa kweTV yesibini kunye nebhokisi yokumisela iqhutywe ngokusebenzisa intambo yeRCA, enye isiphelo ixhunyiwe kwiTV.
3. Intambo ye-eriyali iqhagamshelwe kwibhokisi yedijithali eseti-phezulu kusetyenziswa izibuko elifanelekileyo.

Ukuba zonke izenzo zenziwe ngokuchanekileyo, umfanekiso ofanayo uya kusasazwa koomabonakude ababini.

Uqhagamshelwano ngentambo yecoaxial

Intambo ye-antenna i-coaxial isetyenziswa xa kudityaniswa i-TV endala kakhulu kwaye ingenayo igalelo levidiyo. Ngaphambi komsebenzi, kuyimfuneko ukucima amandla eTV kwaye udibanise i-antenna ngqo kummkeli usebenzisa i-coaxial wire. Emva koko amajelo alungiswayo. https://youtu.be/vFspjBOoUkU

Ayingabo bonke abamkeli abanamagalelo e-eriyali. Kule nkalo, kufuneka ucinge ngokukhawuleza malunga nokuthenga ibhokisi efanelekileyo yokumisela imodeli ethile yeTV yakudala.

Uqhagamshelo ngaphandle umamkeli

I-TV entsha kuphela ene-tuner eyakhelwe-ngaphakathi yedijithali inokubonelela ngamajelo edijithali ngaphandle kommkeli okhethekileyo. Obu buchule bufumaneka kurhwebo ukusukela ngo-2012. Ulwazi malunga nokuba i-TV inaso esakhelwe ngaphakathi isamkeli sedijithali ibonakaliswe kwimiyalelo okanye kwipakethe.

Indlela yokuseta i-digital set-top box kunye nokudibanisa amajelo

Umamkeli ngamnye unojongano lwakhe. Ngokubanzi, kufuneka ulandele le nkqubo ilandelayo:

1. Ngendawo ekude kufuneka uye kwimenyu.
2. Yiya ku “Settings” okanye “Options”.
3. Khetha umgangatho wophawu lweTV (kule meko DVB-T2).
4. Cofa u-“Auto Search”. Emva kwethuba, onke amajelo eTV akhoyo aya kufunyanwa.

Ukuba uphendlo oluzenzekelayo lufumene inani elingonelanga lamajelo e-TV okanye akhange uwafumane konke konke, kuya kufuneka uye ku- “Ukulungisa ngesandla” kwimenyu.

Indlela yokuseta ibhokisi ephezulu yeetshaneli ezingama-20 kwimowudi yezandla iboniswe kwividiyo engezantsi: https://youtu.be/Fcb8l2Snwb0

Ukujongwa koMgangatho woMqondiso

Ukuba amajelo eTV afunyenwe, kufuneka uqinisekise ukuba umgangatho wokwamkela ulungile. Ngaphandle koko, unokufumana imeko apho umfanekiso uya kujika ube liqela leepixels zemibala eyahlukeneyo, umkhenkce okanye unyamalale ngokupheleleyo kwiscreen. Ukuxilonga umgangatho, kufuneka usebenzise iqhosha lolwazi kulawulo olukude. Kusenokufuneka ucofe iqhosha eliluhlaza. Ukudibanisa kunokwahluka kancinci phakathi kweemodeli. Intsingiselo echanekileyo yamaqhosha inokufumaneka kwimiyalelo yabamkeli. Kwifestile evelayo, izikali ezibini ezinamandla kunye nomgangatho wophawu lweTV ziya kuphawulwa. Olona khetho lungcono – zombini izikhombisi zingaphezulu kwe-70-80%. Oku kuya kuthetha ukuba ukwamkelwa komqondiso kuqinisekile. Ngaphandle koko, kuya kufuneka ukuba ngononophelo (ngesentimitha) uhambise i-eriyali. Uhlengahlengiso ngalunye kufuneka luhambe kunye netshekhi yezalathi eziyimfuneko. Kuphela ngesiphumo esihle, ukusetwa kuya kugqitywa. https://youtu.be/eKakAAfQ2EQ

Iingxaki kunye nezisombululo ezinokwenzeka

Ngexesha lokucwangcisa ibhokisi ephezulu, ezi ngxaki zilandelayo zinokwenzeka:

1. Kukho ingxolo emfanekisweni . Oku kungenxa yomqondiso obuthathaka okanye ukungabikho koqhagamshelwano. Kuyimfuneko ukubonelela ngesalathiso esifanelekileyo ngakumbi se-antenna kwaye uhlolisise kwakhona ukudibanisa kweentambo.
2. Umfanekiso omnyama nomhlophe . Kufuneka ukhangele ukuba iintambo zixhunyiwe ngokuchanekileyo. Kwiisetingi ze-tuner, kufuneka ukhethe iPal okanye i-Avto.
3. Amanye amajelo eTV awafumaneki . Kufuneka utshintshe indawo ye-eriyali okanye uskene kwakhona usebenzisa ukukhangela okuzenzekelayo.
4. Onke amajelo eTV awafumaneki . Kufuneka uqinisekise ukuba uxhulumaniso luchanekile kwaye uqale ukukhangela ngokuzenzekelayo kwakhona.

Iingxaki ezingakumbi ngosasazo lwedijithali lweTV zichazwe kweli nqaku .

Ukuqhagamshela umamkeli kumamkeli weTV akuyonkqubo inzima. Ukwenza uxhumano oluchanekileyo, iintlobo zeentambo kunye nezixhumi kufuneka zithathelwe ingqalelo. Xa useta, kufuneka usebenzise uphendlo lwetshaneli oluzenzekelayo okanye lwezandla, kwaye uqiniseke ukuba ujonga umgangatho wothumelo lwesignali.