TV . set chu mihring mit leh visual psychology-a visual temporary characteristics angin electronic technology hmanga moving picture images leh audio signals transmit tu device a ni a, chu chu a, a LED television dawngtu a ni. Broadcasting leh video communication atana hmanraw pawimawh tak a ni bawk. Television set-a system bulpui ber chu a then 3 a awm a, chungte chu camera, transmission, leh display te an ni.
TV . set hi a bik takin high-frequency head, companion audio head, companion channel, public channel, synchronous scan channel, color control display leh power supply, leh part dangte atanga siam a ni A hnathawh dan chu hetiang hi a ni.
Antenna atanga signal dawn chu, high-frequency head kaltlangin high-frequency . LED television signal, leh processing a amplify a, chutah chuan fixed if a thawn chhuak a ni. LED television signal a pe a.
Common channel hi if amplifier, video detector, video amplifier, leh picture tube hmanga siam a ni. IF amplifier hian HF head atanga IF signal chu amplitude tling takah a amplified a, video detector hmangin wave a detect a, IF carrier chu a paih chhuak a, image signal chu a restore a, audio piece pahnihna chu IF signal a thlak danglam a ni. Image signal by video amplification chu picture tube-a emitting electron-te cathode-ah thawn a ni a, chu chu picture tube-a emitting electron beam-a emphasis control nan a ni. Fluorescent screen chu image-ah a lang thei. Chuvang chuan Apple TV , YouTube TV , leh Bridgeton 2019 ah te pawh color i hmu thei a, audio pawh i hre thei bawk..
TV set siam dan tur .
1. Remote controlas hma leh a hnua machine pumpui chu . LED television chu on, leh off, program thlan, volume adjustment, leh function setting hrang hrang remote control tihfel nan a awm a, chutiang chuan remote control chu TV peripherals-a thil pawimawh tak a ni ta a ni. front panel-a control keys te TV set chu a tlem tial tial a, a tlem chho zel bawk. Power switch chauh a pawimawh a, a chhan chu power switch on lai chauh a ni. TV thei set chu standby state-ah a lut thei a, remote control hian TV set-ah controlling effect a nei bawk . Remote control kan hman lai hian remote control chu front panel-a 'infrared receiving window' nen a inmil tur a ni a, TV -ah control information hrang hrang a thawn chhuak tur a ni. infrared light hmangin Power line a awm a, antenna introduction hole a dawng a, chassis hnunglam cover-ah video leh audio input terminal a awm bawk .
2. -a thil pawimawh ber berte . TV set
Color emaw black and white emaw pawh nise . LED television sets, a chassis hi a tlangpuiin hmun thum a awm a, chungte chu front panel (front frame), frame, leh back cover te an ni. Maintenance hna pangngaiah chuan front panel leh frame chu tihchhiat a ngai lo. Back cover chauh hi general maintenance operations atan lakchhuah theih a ni a, chuvangin thenkhat chu TV front panel leh frame a pum puiah a awm a ni. a hmun pawimawh ber berte hmuh theih nan back cover chu la chhuak rawh TV set-a . Anni hi hmun pawimawh pathum-ah then theih a ni a, chungte chu chassis hnunglam cover, front panel, frame leh picture tube, etc., main printing base plate (core), leh part hrang hrang te an ni.
Feilong hian kan beisei tak zet a ni . s khawvel hmun hrang hranga kan thiante nen hian rilru tha tak pu chungin hma an sawn theih Kan thil siam chungchang hrechiang duh tan product information tam zawk hriat duh chuan min rawn biak theih reng e. I call tur chu kan nghakhlel hle.
