SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

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SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by jojogreg on Wed Oct 03, 2012 5:09 pm

Mga master pahelp naman po,meron po akong gingawang Sony TV KV-21JRS1 na blank on display pero normal ang sound.Una po ginawa nung ginagawa nung may ari ay ginagalaw ng may ari yung cable dun sa tuner at nagkakaroon daw bigla tapos nawawala naman daw bigla at in pabalik balik na ganun ang scenario.Ang ginawa ko ay dinidiin ko yung solid wire ng antenna at ngresolder ako sa board along the tuner area.ngstable ang picture nya.tap a bit ko narin ang board para observe kng magdissappear uli ang picture pero hindi na naman.after an hour bigla na naman ngblack out ang display normal sound.halos nahinang ko na lahat ng pins sa board but then pag tumagal na bigla nalang nawawala ulit or pag off at pag on blank screen na naman uli.anu kaya possible na problemang component nito mga master?pahelp naman po..

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by ultrasonic™ on Thu Oct 04, 2012 1:12 pm


kng lumalabas ang display everytime gnagalaw ang board
ang slarin lng jan ay look for loose con... or hair crack line sa board..

linisin mu muna ng lacquer thinner at gamit ka ng maliwanag na ilaw at kunting tulong ng magnifying glass.

tip: wag lng patong ng patong ng bago solder lead.
mas mainam kng tanggalin muna ang luma bago palitan ng bago
(^_^

paalaala: normal sa sony na nauuna ang sound bago ang video display

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by baddypepito on Thu Oct 04, 2012 8:36 pm

baka din my change value sa mga abl resistor.... try mo lang. near sa plyback yan.mga maliliit na resistor.

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by triac on Fri Oct 05, 2012 9:46 am

baka may loose connection pa ito,try to check the board baka loose connection,including C-board...

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by triac on Fri Oct 05, 2012 9:49 am

kompleto kya ang voltage sa C-board kapag nawawala yung display?d ko lng alam kung may 9V ba ito..

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by ultrasonic™ on Fri Oct 05, 2012 5:58 pm


^ agreed ako sa inyng dlawa. wag ismuli ang parteng C board at ABL sect lalot sony eto

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by jojogreg on Tue Oct 16, 2012 2:53 pm

pasensya na mga master ngayon lang ako nakapgonline.tungkol dun sa tv gingawa kng tv na SONY hindi na pinagawa sa akin nung may ari.dinala na nila sa ibang shop siguro dahil hindi ko agad nagawa.sayang talaga hindi ko man nachallenge at naitry yung mga guide at tips na itinuro nyo mga master.nakakadismaya minsan pag ganito mga customer husgahan nila ang gumagawa pagmatagal dadalhin sa iba.sabagay meron tlaga mga customer na ganun.marami pa siguro ako bigas ester kanin na kakainin bago maging expert.tuloy lang ang repair.anyway salamat sa inyo lahat mga master.sa susunod nalang tv problem nalang na gagawin konsulta ko uli..

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by ultrasonic™ on Tue Oct 16, 2012 4:03 pm


ok lng yan... hanggang marami pang tv'ng sira.. wag mwalan ng pag-asa (^_^

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by jojogreg on Thu Oct 18, 2012 12:00 pm

oo master ultrasonic marami pa naman na tv masisira kaya igihan ko nalang ang paggawa para convincing ang customer may tiwala..salamat..

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by triac on Sat Oct 20, 2012 10:06 am

ok lang yan ang importante may tiyaga at di sumusuko,kung may failure man e dyan tayo natutu..

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by arkin on Mon Oct 22, 2012 5:51 pm

resolder muna sa jungle at vertical ic,or hugotin nlang yon jungle tapos sampak ulit..

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by Hertz on Mon Oct 22, 2012 6:04 pm

linisin na rin ng thinner

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by ultrasonic™ on Tue Oct 23, 2012 4:49 pm


makiki agree ulit

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by DJFEL on Sat Nov 24, 2012 2:06 pm

yan talaga pang hinde ma ayos agad..ok lang yan...

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by Electro on Fri Nov 30, 2012 1:26 pm

naaalala ko lagi ang turo ni master. experience is the best teacher Very Happy

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

Post by ultrasonic™ on Sat Dec 01, 2012 10:40 am

tama jan tau mas lalong matototo (^_^

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Re: SONY TV KV-21JSR1 Sudden display missing after an Hour but Normal Sound

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