sony tv kv-14bmp.,ayaw mag oscilate

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sony tv kv-14bmp.,ayaw mag oscilate

Post by electroman on Fri Mar 22, 2013 11:04 am

mga sir pahelp po sa oscillation process ng tv nato.,ayaw ma oscillate ng flyback ngdadrop po sya..ang ginawa, ko resolder sa mga loscon,pinalitan ko ang vertical ic.,,ganun parin.hang ko ang pin ng flyback yong supply papuntang 9v at 12v regulator nya,ayon nag oscillatte sya ,pru wala nmang vertical pulse na pumapasok sa vert section kaya horizontal line ang lumabas sa screen..,good nman yong 9v,12v regulator..,nag proprotect kya ang tv nato mga master..?

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by ultrasonic™ on Fri Mar 22, 2013 1:11 pm

ano ang chassis nito?
or pkipost nlng ang mga major parts lalo na ang reg, system, jungle at vert

para mlaman natin ang mga test point

kng my service sw ang unit try na rin echeck
buo ba lhat ng supply sa vert drive?

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by electroman on Sat Mar 23, 2013 9:56 am

sir ito po yong chasis nkita ko lang to sa board 1-654-079-12..,
major parts:
jungle: cxa1213
system: M34302MB
vertical: upc1488h
hor.D1876
reg. str6307
buo po ang supply ng vert drive kong nka hang yong pin ng flyback
na supply sa 9v at 12v reg..,pag nka connect yon ngdadrop ang oscillation.,buo nman voltahe sa power supply nito b+115 at 12v..

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by electroman on Sat Mar 23, 2013 10:00 am

sir ultra ano po yong service switch at saan yan makikita..,censyana newbie pa kasi..

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by electroman on Sat Mar 23, 2013 10:21 am

sir tanong ko lng saan bah makikita ang chasis number ng tv..?

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by pyroelectro on Sat Mar 23, 2013 11:30 am

ang alam ko makikita iyan sa board baka iyang 1-654-079-12 ang chassis.

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by ultrasonic™ on Sat Mar 23, 2013 4:59 pm

tama... nka imprinted yan sa board o nasa sticker.. ang mhirap lng sa sony ay medjo complicated... minsan ang mga numbers ay nkaembed sa klagitnaan ng mga numbers/letters... kya di msxadong halata.. dami nilang ka series nirerelease... khit nga ako nlilito na rin.. pero kng familiar kau sa board medjo di na kau mhihirapan e identify..

btw try motong scc-f21 as ur reference mas mlapit sa kaseries ng model mo
silip ka na rin sa G3E

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by DJFEL on Sun Mar 24, 2013 9:48 am

electroman wrote:mga sir pahelp po sa oscillation process ng tv nato.,ayaw ma oscillate ng flyback ngdadrop po sya..ang ginawa, ko resolder sa mga loscon,pinalitan ko ang vertical ic.,,ganun parin.hang ko ang pin ng flyback yong supply papuntang 9v at 12v regulator nya,ayon nag oscillatte sya ,pru wala nmang vertical pulse na pumapasok sa vert section kaya horizontal line ang lumabas sa screen..,good nman yong 9v,12v regulator..,nag proprotect kya ang tv nato mga master..?

parang na sa vertical section ang sira neto ha...yong ziner diode or like risistor naka kabet sa grnd nang vertical section..pake silip lang f mang ka pareha to..parang 2blicks lang to..

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by electroman on Sun Mar 24, 2013 1:00 pm

cge sir try ko e check mamaya..

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by Hertz on Sun Mar 24, 2013 9:51 pm

ang service switch ng sony ay tulad lang sa plastic toggle swicth puti ang kulay. minsan tatlong posisyon yan.

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by Hertz on Sun Mar 24, 2013 9:54 pm

sa pag hinang mo ba electroman ng pin na nabanggit mo sa taas (9 at 12v) ay steady hindi namamatay ang oscillation? baka may short na parts sa supply na yan

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by DJFEL on Mon Mar 25, 2013 9:56 am

abang nalang sa apdit..

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by ultrasonic™ on Mon Mar 25, 2013 1:54 pm

waiting mode

pa ot: di ko mhanap ang image ng svc sw.. popost ko sana para sample ky ts... scratch


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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by Hertz on Tue Mar 26, 2013 10:37 am

pag nahanap mo sir post mo agad. meron din palang kulay blue nito

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by DJFEL on Tue Mar 26, 2013 11:57 am

bz yata ts neto...Smile

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by electroman on Wed Mar 27, 2013 6:35 pm

pasensya na mga sir ngayon lng ako nag update..,steady po sir herts ang oscillation pag nkahang yong pin na yon na nag supply sa 9v at 12v..pag nka connect nagdadrop..wla nman akong nakitang short sa sinusupplyan neto..

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by Hertz on Sun Mar 31, 2013 11:06 pm

iyang 12v, ay di ba yan patungong sound amplifier? baka nandyan ang problema

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by Electro on Mon Apr 01, 2013 12:26 pm

master sundan mo saan patungo ang supply. baka patungo iyan sa sa sound amplifier gaya ng sabi ni master hertz. baka short ic o zener to

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by ultrasonic™ on Mon Apr 01, 2013 6:15 pm

abang mode muna

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by Hertz on Thu Apr 04, 2013 12:19 pm

ano na balita nito?

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by james on Thu Apr 04, 2013 2:31 pm

abang mode na lang din

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by triac on Fri Apr 05, 2013 2:19 pm

try to check lahat ng mga zener doide,kahit X1 lng ang range sa tester baka may short pa ito.sana makatulong to...

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by ultrasonic™ on Sat Apr 06, 2013 3:51 pm

Hertz wrote:ang service switch ng sony ay tulad lang sa plastic toggle swicth puti ang kulay. minsan tatlong posisyon yan.

ayoz nkta ko na ang service sw..



pnahirapan ako nyan (^_^

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by electroman on Sun Apr 07, 2013 8:16 pm

update ko lang mga sir,,ok nman yong 12v reg nya patungong sound amplifier,yong lng sa 9v pg nka connect yun magdadrop sya..pg nka hung yun nag oscillate pru ganun parin horizontal line lng..sumasakit na ulo ko dito mga sir ang hirap...

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Re: sony tv kv-14bmp.,ayaw mag oscilate

Post by triac on Mon Apr 08, 2013 10:23 am

sana may schematic ka sis electroman para ma trace mo saan ang distribution ng 9V na yan..

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Re: sony tv kv-14bmp.,ayaw mag oscilate

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