Okubalulekile ukubheka lapho ubeka inethiwekhi: kancane ngentambo yethelevishini, amasekethe kanye nezinto zenethiwekhi yethelevishini. Izindleko ezilinganiselwe zemishini.
Kuhle noma kubi, kepha umabonakude wangena ngokuqinile impilo yethu, ukuthi ngeke sisakwazi ukwenza ngaphandle kwawo. Ekuseni, i-TV isisebenzela njengewashi le-alamu, kusihlwa. Ngokwanda, kunendawo embalwa yethelevishini ezindlini futhi uqiniseke ukuthi uyikhishi. Ngemuva kwakho konke, elinye lamalungu omndeni linentshisekelo embikweni wezemidlalo, ezinye izindaba, umlingisi wesithathu othakazelisa, futhi othile ufuna ukubona futhi "ubusuku obuhle, izingane!". Zonke izicelo azisakwazi ukwanelisa idivaysi eyodwa.
Uma le nkinga emndenini wakho ixazululwa ngosizo lwenombolo efanelekile yama-TV, khona-ke abanye ababili basale: Izinhlelo ezahlukahlukene zethelevishini nekhwalithi yokudlala kwabo. Udinga ukunquma ukuthi iyiphi indlela yokuthola irisidi lesiginali yevidiyo kuya kubamukelayo: I-Ethereal, Satellite, ikhebula noma inhlanganisela yayo.
Ukwamukela izinhlelo zethelevishini zethelevishini eziyishumi nambili edolobheni, kungenzeka ukukhawulela i-antenna ehlanganyelwe, futhi kuzodingeka ukuthi ufake i-antenna yomuntu ngamunye ngaphandle kwedolobha. Uma leli nani lezinhlelo alanele, i-satellite izodingeka futhi. Ukungena okuvela kumacala afakwe kuhlu, amanethiwekhi wethelevishini asekhaya azohluka komunye nomunye.
Nge-antenna ehlanganyelwe, izinhlelo ezingama-6-9 ezisemqoka zethelevishini kanye nezinhlelo ezingama-5-6 zasendaweni (ikhebula) zizothathwa. I-antenna ye-satellite, ngokuya ngomklamo, ikuvumela ukuthi ubuke izinhlelo eziningi zikazwelonke nakwamanye amazwe, kepha manje azitholi izingxoxo (lokhu kungatholakala ngokuningiliziwe kumagazini okhethekile ku-satellite kanye ne-tele-satellite ") .
Cabanga ngecala elilula lapho kusetshenziswa kuphela i-antenna ehlanganisiwe, evame ukufakwa ophahleni lwesakhiwo sefulethi.
Isiginali yevidiyo ivela kwi-antenna kwintambo yethelevishini ye-trunk ebhokisini lokusabalalisa elisesitezi ngasinye. Leli bhokisi (imvamisa amamodeli we-ra104) anokukhishwa kwe-4abont, njengoba kufakazelwa yilona lokugcina ekulebula. Ukufakwa kwekhaya Teleservelo kuqala kuqala kusuka lapha. Okokuqala, kuyadingeka ukuxhuma ucingo oluphakathi lwentambo yethelevishini ye-TOAXISISISISION (Lapha kubhekiselwa kuzo njenge-screw ku-turneit terminal okuhloswe ngayo efulethini lakho, nekhebula lensimbi ukucindezela ubakaki epanini lensimbi.
Imithetho emibili ithinteke kakhulu kwikhwalithi yesithombe: ubude bekhebula kanye nenani lamagatsha kuma-TV kufanele abe mancane. Lokhu kunquma izinga lokuncishiswa ("attenuation") lesiginali yevidiyo kuza kumathelevishini, kulinganiswe e-Decibellah (DB). Ubukhulu besiginali yevidiyo yokuqala ku-Subscriber Deciber kuvame ukuba ngu-70DB / μV, okuqinisekisa ikhwalithi enhle yesithombe sethelevishini, futhi ku-TV okufakwayo, kufanele kube ku-DB / μV. Ngophawu lwevidiyo olubi, ngaphezu kwe-80DB / μV - isithombe siba ", umsindo" u- "μV" ngaphansi kwe-DB / μv - "Iqhwa liyanyamalala.
Ukwenza umsebenzi, uzodinga: ikhebula lethelevishini, ikhebula leplitter, ukuxhumana ngefoni, iziqeshana zokubeka ikhebula, ama-plug ama-amplifion ambalwa, ama-plugs ambalwa, i-commer, i-screw ummese.
Kancane ngentambo yethelevishini
Kwikhebula lethelevishini, ukufakwa kwesiginali yevidiyo okutholakele kuboniswa (VDB kumamitha ayi-100 wobude bekhebula). I-swab inikezwa ngamapharamitha we-attinuation wemikhiqizo ethile yekhebula lethelevishini lenkampani yenkampani yase-Italy.Njengoba kungabonakala etafuleni, ikhebula lomkhiqizo elingu-7510 lingaphansi kobubanzi, okulula futhi kukuvumela ukuba ugobe i-radius encane (okubaluleke kakhulu eguqukayo, ngokwesibonelo, kusukela odongeni odongeni). Kodwa-ke, izici ze-attiation yesiginali zibi kakhulu kunezinye izinhlobo zamakhebula ezinobubanzi be-6.7mm. Ngakho-ke, ikhebula elinobubanzi obungu-5mm kanti ubude be-10m buzonciphisa isiginali nge-3DB, futhi ubukhulu buzonciphisa lokhu kulahleka ngo-22-30%. Ama-Television Masters ngokuvamile awasebenzisi ikhebula elincanyana lapho ubeka inethiwekhi yasekhaya. Ngokusho kwetafula, ukulahlekelwa yividiyo okuncane kakhulu kuzonikeza ikhebula le-CU113.
Intambo yesimanje yethelevishini inesikrini sokuqala esenziwe nge-foil yensimbi nesikrini esingeziwe sensimbi, esinciphisa izinga lokuphazamiseka emithonjeni enjengemithombo kagesi yemishini yasendlini kanye ne-radiotelefephones. Zama ukufaka esikhundleni ikhebula lesikrini sakudala lesikrini esisodwa futhi njengoba besho, "bazwa umehluko." Ukuphikisana nokuphazanyiswa esikrinini se-TV yakho kuzonyamalala.
Omunye umthombo wokuwohloka kwekhwalithi yesithombe uhlukaniswa kanye nezinyawo zethelevishini ezisetshenziselwa ukudlulisa ngasikhathi sinye esignalini sevidiyo kuma-TV ambalwa.
Izinhlelo zeTeleset
Izinhlelo ezintathu zohlelo lwethelevishini lasekhaya - "Loop", "Isihlahla SikaKhisimusi" noma inhlanganisela yazo, esibonakaliswa ngumlingiswa wama-TV axhumanisa.
Ngomdwebo wokuqala, ama-TV axhunyiwe kusetshenziswa kuphela izisekelo zethelevishini ezitholakala ngokulandelana ezindongeni kulo lonke indlu.
Izisekelo zidlula (attenuation of isignali 12-16DB) kanye nokokugcina (i-attinuation yesiginali 1,5 DB). Into esemqoka ayihambeki! Ngaphandle kwalokho, unganciphisa kakhulu isiginali ngokudlula ikhebula ezisekelweni eziningana.
Ukufakwa kwe-antenna kwe-TV kuxhunywe kwisokhethi lethelevishini. Okufanayo nokuxhumeka kwe-plug kusokhethi weSifunda sikagesi, kepha kusetshenziswa ipulaki yethelevishini.
Ngohlelo lwesibili, ukusebenzisa okukodwa noma ngaphezulu kwama-splitters kwakha igatsha elihlukile lenethiwekhi yethelevishini kwi-TV ngayinye. Inombolo yabo uyazichaza, ngokususelwa endaweni yama-TV kanye nobude obuncane bekhebula eligandayiwe.
Isiginali yevidiyo ye-Texing Parameter yekhebula lethelevishini
| Ukuqhathanisa amapharaji wekhebula | Uhlobo lwentambo yethelevishini | |||||||
|---|---|---|---|---|---|---|---|---|
| 7510. | 1210N. | 1212. | 1210E. | 1210s. | I-1210A. | CU113. | ||
| I-Attenuation, i-DB / 100 m nge: | 50 mhz | 6,2 | 4,4. | 4,4. | 4.3 | 4.3 | 4.3 | 4,2 |
| 200 mhz | 12.8. | 9.5 | 9.5 | 9.0 | 9.0 | 9.0 | I-8,6 | |
| 300 mhz | 15.7 | 12.0 | 12.0 | 11,2 | 11,2 | 11,2 | 10.7 | |
| 500 mhz | 20.7 | 15.8. | 15.8. | 14.8. | 14.8. | 14.8. | 14,1 | |
| I-800 mhz | 26.7 | 20.5 | 20.5 | 19,2 | 19,2 | 19,2 | 18.3 | |
| I-1000 mhz | 30.4 | 23,2 | 23,2 | 21.6 | 21.6 | 21.6 | 20.7 | |
| Ukusebenza kwesikrini, i-DB yebanga lemvamisa (100-900) MHz | > 55. | > 35. | > 35. | > 45. | > 45. | > 45. | > 50. | |
| I-Bend Radius ephansi, mm | 50.0 | 70.0. | 70.0. | 70.0. | 70.0. | 70.0. | 70.0. | |
| Ububanzi bokufaka insulation, mm | I-5 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | |
| Isisindo sesisindo, g / m | 29.0 | 43.0 | 43.0 | 46.0. | 46.0. | 46.0. | 49.0 |
Izakhi zenethiwekhi yethelevishini yasekhaya
Ngokuxhumana okulungile kwekhebula nge-splitter, isiginali yevidiyo ngeke iwele ngaphezu kwe-1 dB.Okokuqala, kusukela ekupheleni kwekhebula, ummese obukhali noma isikhumba esibukhali ususa igobolondo lepulasitiki yangaphandle, bese uguqula isikrini kusuka ku-foil yensimbi kanye ne-mesh metal braid emuva bese ubeka igobolondo lepulasitiki. Qiniseka ukuthi ungazishisi. Kungcono ukusebenzisa umsiki wentambo okhethekile.
Beka umsiki ekugcineni kwentambo, ukusonteka amabala bese ujikisa izikhathi eziyi-8-10 ezizungeze ikhebula. Manje ukuphela kwentambo kulungiswa kahle ngokomsebenzi.
Igatsha elikhethekile lifakwa ekugcineni kwekhebula, cisha isikrini bese uluka, ngemuva kwalokho afaka umnyombo ophakathi okolweni we-splitter kanye ne-nati kuqiniswa. Lapho uthenga, qiniseka ukuthi ubheka ukuthi ububanzi bomgodi we-nati buhambelana nobubanzi bentambo yekhebula eligandayiwe noma lidlule kancane. Ngemuva kwalokho ukufakwa kwe-splitter ngeke kubangele ubunzima. Ngakolunye uhlangothi, kuzoba neteyipu encane yokwandisa ububanzi be-cable plance sheath. Ngokufanayo, izingxenye eziningi zamakekhethi zinamathiselwe kumphumela ngamunye we-jack we-splitter njengasendlini yethelevishini (ngokusho kwesikimu sesibili), noma amanethiwekhi (ohlelweni lwesithathu).
Uma isinali yevidiyo ekufakweni kwe-TV ingaphansi kwe-60 DB, ngemuva kwebhokisi lokuhlangene, kufanele ubeke i-antenna amplifier yasekhaya. Ziyizinhlobo eziningana futhi zikhulisa izinga lesiginali nge-10-20 db. I-amplifier enises amplifier (Spain) yemodeli ye-ATV122 yethulwa esithombeni.
Ngokubekwa kwentambo yangaphandle, kusetshenziswa iziqeshana zepulasitiki, ezinamathiselwe odongeni, iplaterter yomnyango noma i-plinth ifakwe ngezipikili. Iziqeshana zimakwe ngezinombolo ezihambelana nobubanzi bekhebula elisetshenzisiwe. Kwesinye isikhathi ikhebula lethelevishini livaliwe ngebhokisi lokuhlobisa elinamathiselwe odongeni ngezikulufo noma isisekelo esinamathela.
Ukulahlwa kwentambo okufihliwe odongeni kwenza i-groove ("strob"). Kungabonakala ngesandla, yenza umsiki we-carbide efakwe ku-dridge ye-drill, noma ithuluzi elikhethekile.
Ekupheleni kwamagatsha enethiwekhi yethelevishini, kufakwa izitolo zokuphela. Ukuxhuma i-TV kunethiwekhi, kusetshenziswa ikhebula lokuxhuma, elifakiwe kwikhithi yezingxenye ze-VCR noma ithengwe ngokungeziwe. Ipulaki elilodwa lifakwa ezikolweni ze-antenna ze-TV, bese owesibili kwisokhethi lethelevishini.
Uma ufuna ukwenza ikhebula lokuxhuma ngokwakho, thatha ingxenye yentambo yobude obufunayo nakuwo womabili lawo, olungiselelwe njengoba kuchaziwe ngenhla, faka ama-plugs, ngomshini noma ngokuthengisa. Uma i-mehendi esetshenziswayo, ngaphambi kokudalula isikrini esivulekile ne-cable braid, faka ipulaki. Faka umnyombo ophakathi nendawo ofakwe emgodini, otholakala emhlane wayo, i-bandage yensimbi inama-degrees azungeze igobolondo lentambo bese icisha isikulufa enkabeni yekhebula. Qoqa i-plug, ukusula izindlu ku-cap bese ufaka i-TV kwisokhethi se-antenna.
Ukwenza lula ukufakwa kwenethiwekhi, kunciphise ukudonswa kwesiginali yevidiyo nokunciphisa izindleko, ukuphuma kokugcina akunakufakwa. Ukuxhumana okunjalo kuncane kakhulu, kepha kuyamukeleka impela.
Manje ungavumela wonke ama-TV ngasikhathi sinye futhi ujabulele ikhwalithi yesithombe!
Izindleko ezilinganiselwe
Izindleko zezinto zokwakha ongazibala zona zinikeze lokho:
- Intengo yemitha eyodwa yekhebula lethelevishini ngokuya ngomkhiqizo ngama-ruble ayi-1-3,
- I-Cable Splitter - Ukusuka ku-30 kuya ku-96 rub.,
- Ikusy video amplifier ATV Models 122-180 rub.,
- Ukudlulela ku-Telecasting - ama-ruble angama-70,
- Ukuthola i-Telecasting - ama-ruble angama-54,
- I-imeyili plug - rub 1,5.,
- "Iziqeshana" - ama-ruble angama-36. I-100xyuck ne-cutter yekhebula - i-150 rub.
Lawa manani avumelekile ngoMeyi 1998.
Izinto ezisetshenzisiwe zedatha kusuka ku-GOST 21879-88 "Ukusakaza kwe-TV. Imibandela nezincazelo nezincazelo" kanye nethebula le-Calogy for TREAST "(1997, Protein Corporation).
Abahleli babonga ubuholi benhlangano "Belka" ukuthola izeluleko kumanethiwekhi wethelevishini.