TV a set chu mihring mit leh visual psychology-a visual temporary characteristics ang zela electronic technology hmanga moving picture image leh audio signal thawn chhuahna hmanrua a ni a, chu chu LED Television atanga lo chhuak a ni. Broadcasting leh video inbiakpawhna atana hmanraw pawimawh tak a ni bawk. Television set-a basic system hi part 3 a awm a, chungte chu camera, transmission leh display te an ni.
TV set hi high-frequency head, companion audio head, companion channel, public channel, synchronous scan channel, color control display leh power supply, leh a dangte hmanga siam a ni ber. A hnathawh dan chu hetiang hi a ni.
Antenna atanga signal dawn, high-frequency head kaltlangin high-frequency thlan nan LED Television signal, leh processing amplify a, chutah chuan fixed IF a thawn chhuak leh thin LED Television hmanga signal a awm.
Channel hman tlanglawn ber chu IF amplifier, video detector, video amplifier, leh picture tube te atanga siam a ni. IF amplifier hian HF head atanga IF signal chu amplitude tling takah a amplify a, video detector hmangin wave chu a detect a, IF carrier chu a paih chhuak a, image signal chu a siam tha leh a, audio IF signal piece pahnihna chu a transform bawk. Video amplification hmangin image signal chu picture tube chhunga electron chhuaktu cathode-ah thawn a ni a, chu chuan picture tube-a electron beam emitting emphasis control nan a hmang a ni. Fluorescent screen chu image ah a lang thei. Chuvangin Apple TV , YouTube tv , leh Bridgeton -ah te pawh color i hmu thei a, audio pawh i hre thei bawk.
TV set siam dan tur
1. Remote control hma leh control hnua machine pumpuiAs the LED Television hi set on, leh off, program thlan, volume adjustment, leh function setting hrang hrang hmanga remote control tihfel theih a ni a, chuvangin remote control chu TV peripherals-a thil pawimawh tak a lo ni ta a ni. hmalam panel-a control key te TV set chu a tlem tial tial a. Power switch chauh hi a pawimawh a, a chhan chu power switch on lai chauh a ni. TV set hi standby state-ah a lut thei a, remote control hian TV set-ah controlling effect a nei thei bawk. Remote control kan hman hian remote control chu front panel-a 'infrared receiving window' nen a inmil tur a ni a, control information hrang hrang chu TV -ah a thawn chhuak thin. infrared light hmangin Chassis hnunglam cover-ah hian power line a awm a, receiving antenna introduction hole a awm bawk a, video leh audio input terminal a awm bawk .
2. chhunga thil pawimawh ber berte TV set
Color emaw black and white emaw pawh nise LED Television sets, a chassis hi a tlangpuiin hmun thum atanga siam a ni a, chungte chu: front panel (front frame), frame, leh back cover te an ni. Maintenance hna pangngaiah chuan front panel leh frame hi tihchhiat a ngai lo. General maintenance operation atan chuan back cover chauh lakchhuah theih a nih avangin TV front panel leh frame atanga a pumpuiah a then a awm a ni. chhunga thil pawimawh ber berte hmuh theih nan back cover chu la chhuak rawh TV set . Hmun lian pathum-ah then theih an ni a, chungte chu chassis hnunglam khuhna, hmalam panel, frame leh picture tube, etc., main printing base plate (core), leh hmun hrang hrang te an ni.
Feilong hian kan beisei tak zet a ni . s khawvel hmun hrang hranga kan thiante nen rilru tha tak pu chunga hmasawn zel Kan thil siam chungchang hriat belh i duh chuan thil siam chungchang hriat belh duh tan min rawn call thei ang. I kohna chu kan nghakhlel hle.
