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sharp LED TV LC-45LE280x green light only

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Post by triac Mon Sep 21, 2020 8:40 am

Good Day Sir,

May inayos ako na sharp,no backlight,no sound.

1.Check the backlight sir yung led bulb niya.
2.Measure ko yung voltage sa inverter section no voltage output.Di ba dapat may voltage kahit sira yung LED bulb?o magshutdown ang voltage dahil sira yung LED bULB.
3.check the sound section no voltage sa mga coil na supply line.
4.panel voltage +12V is normal.
5.Pwede makahingi ng schematic diagram?wala kasing markings for test point sa power supply niya.

Salamat po.
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Post by ultrasonic™ Tue Sep 22, 2020 12:47 am

anong LED driver osc ic ginagamit nyan sis.. ?
baka kaya lang bulagin ang Protect

possible 0V ang out nyan dahil naka prot mode
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Post by triac Tue Sep 22, 2020 9:04 am

sir ultra may nasusukat po ako na voltage sa inverter na 36V.black probe to chassis ground red probe to inverter board.tama po ba pag test ko?mamaya sir pag-uwi ko kukunin ko yung number ng  driver ic..salamat po sir pag reply..
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Post by triac Tue Sep 22, 2020 9:28 am

ito po yung number sir BD9415fs..
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Post by Hertz Wed Sep 23, 2020 12:54 am

kung akin Openyon lang ay Mahirap bulagin ang ganyan

sharp LED TV LC-45LE280x green light only BD9415FS
sharp LED TV LC-45LE280x green light only 2

Sa tingin ko hindi backlight ang problema niyan. makikita mo naman ang display kung tatapatan mo ng Flashlight ang Screen
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Post by Hertz Wed Sep 23, 2020 12:56 am

Baka Program lang yan
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Post by triac Wed Sep 23, 2020 2:26 pm

Hertz wrote:Baka Program lang yan
sir hertz wala akong makita na display sa screen kahit iniliwan ko ng flashlight.na test ko napo yung led lamps may anim na sira na.Pero tama pa rin kayo sir na baka kailangan e program wala kasing sound..salamat sa pag reply sir hertz..
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Post by Hertz Thu Sep 24, 2020 12:46 am

kung may anim na pundido at hindi mag ON ang unit. ibig sabihin niyan lampas na max count error ang Lamp counter.
Kailangan mo pasukin ang service mode nyan at i reset ang L error dun.
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Post by triac Thu Sep 24, 2020 8:13 am

Hertz wrote:kung may anim na pundido at hindi mag ON ang unit. ibig sabihin niyan lampas na max count error ang Lamp counter.
Kailangan mo pasukin ang service mode nyan at i reset ang L error dun.
sir hertz paano pasukin sir..naka green light lang siya?
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Post by Hertz Fri Sep 25, 2020 1:50 am

yan ba ay Joystick. Pag Oo
ganyan ang proseso

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Post by Hertz Fri Sep 25, 2020 1:55 am

or subukan mo ang iba na nandito

SHARP SERVICE MODE
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Post by triac Fri Oct 02, 2020 8:36 am

Sir Hertz may mabibili po ba na ako na backlight nito?nasa gilid po ang mga lamp beads niya.ang hirap tanggalin.kung wala ganitong klaseng lamp beads may alternative po ba na replacement?
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Post by Hertz Sun Oct 04, 2020 11:33 pm

3014 o 5630 Package ang ganyan. may mabibili ka nyan sa Lazada. or buong LED strip
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Post by triac Mon Oct 05, 2020 8:14 am

salamat sir hertz at sir ultra +1 point po kayong dalawa.
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