jvc cw chassis help po masters

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jvc cw chassis help po masters

Post by sherlanmamaril on Thu Sep 24, 2015 5:12 pm

major parts 
reg strw6756
hot tt2190
v out an15525
eto lang po muna tanda ko masters musee ito 
cw(scw1114a)
stanbye po sya check b plus 135 sakto po sa mismong b plus check ko din yung secondary votlages ok po siya 
history kasi yung customer makulit naghinang sa regulator sabog tuloy po palit lang akong zener po nag ilaw na 
completo naman yung votlahe ni h drive transformer po masters san po kaya ito??? nag iistock yung main caps ng 15 volts po pati yung isang secondary voltage 15 din po supply yun sa hdrive transformer , 
palitan kopo kaya itong regulator ?

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Re: jvc cw chassis help po masters

Post by Hertz on Fri Sep 25, 2015 8:21 am

check mo pa ang palibot ng regulator. may problema pang pyesa yan

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Fri Sep 25, 2015 8:20 pm

master nacheck kona po , try ko munag hang pin 8 ng eeprom bagu po mag update nga po pala pansin ko nawawala si 12volts out galing sa isang regulator po iyon , papuntang video board near jungle 5 wires po, 
bakit ganun master? dapat mag oscillate na ito ok b plus ok din ang h vcc dapat mag on na sya ok din ang hdt transformer, nag iipon ng voltage yung capacitor ni hdt transformer kaya kutob ko check kopo yun line na iyon

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Re: jvc cw chassis help po masters

Post by Hertz on Wed Sep 30, 2015 1:19 pm

iyong mga dual output regulator at mga 4pins regulator ay may switching pin. puede absent ang signal na nagpapa trigger nito

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Sat Oct 03, 2015 11:36 pm

master nakaseires yung 5 volts po sa12 at 8 votls reg saka nag switch naman po sya kaos lang mawawala po yung 12 votls at 8 kaya sabi protecti ito lalu ang protect nya ay nasa mga secodnary regulator kaya hang ko yung diode 973, nd kopa po na try ion sa ngayun eh , busy kasi walang pwesto pede naman po board lang anu po ba dapat isa alang alang bagu ion ang tv pag board lang po?

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Sun Oct 04, 2015 5:38 pm

nag on na master nung disable ko protect po , pero master anu po dapat gawin para may protect pa din siya? mas maigi kasi yun pero kung walang choice ok na po ito

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Re: jvc cw chassis help po masters

Post by DJFEL on Wed Oct 07, 2015 7:50 am

ok na pala yan ph na hug yong protic...my problem po sa secondary supply..

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Wed Oct 07, 2015 2:14 pm

DJFEL wrote:ok na pala yan ph na hug yong protic...amy problem po sa secondary supply..
ano po? ok naman sya sa ngayon pero best po may protect pero kung di na makita eh ok na ito

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Re: jvc cw chassis help po masters

Post by DJFEL on Wed Oct 07, 2015 8:26 pm

yong onang kong tanong my problem po yong primary supply nito f ok lang..pake soyod kong sa-an pa ponta yong protic nito..

pa ot..parang ang onang sira neto nasa secondary supply piro nong onang tic nasa primary yong ginalaw nya..

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Fri Oct 09, 2015 1:50 pm

yung protect po pupunta sa 2 regulator na 12votls at yung isa yung 5 volts p dun ang protect ok naman po yung secndary sides niya po , may diagram po akong nakuha

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Re: jvc cw chassis help po masters

Post by Hertz on Sat Oct 10, 2015 4:43 pm

isa isahin mo ibalik ang nakahinang. para malaman mo agad saan siya mag protect

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Sat Oct 10, 2015 5:47 pm

try kopo pag may time parang ok naman na kasi busy ako sa led lcd tv po eh

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Re: jvc cw chassis help po masters

Post by Electro on Tue Oct 13, 2015 2:05 pm

tama si master hertz. ibalik mo paisaisa master para madali mong malaman saan galing ang protect. pag hindi mo talaga ma solve master release mo na lang yan

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Tue Oct 13, 2015 4:55 pm

ginawa kopo dati hinang ko lang protect ni 12 volts reg no luck kaya buoan kong hang yung protect ayun nakuha , nagcheck pa kong protect malapit sa eeprom yun pero ang diagram nasa bandang taas yun nakapwesto di kopo mahanap pero ok na ito masters bakit po parang nag kukurap kurap yung picture ko kahit sa dvd, dati ganito na din ito po , ok g2, abl voltage steady, baka tube po siguru mahina na pag inadjust screen pot nagroll pababa picture po kaya tinimplahan ko na lang, baka may solution po kayo dito? pero kung wala po eh ok lang
salamat po

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Re: jvc cw chassis help po masters

Post by Electro on Tue Oct 13, 2015 5:44 pm

mahina ang supply niyan master. baka may open filter capacitor

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Tue Oct 13, 2015 6:14 pm

saan po kaya mahina saka nd po ako master hindi kopo kasi gaanu naicheck ang mga pyesa kasi nd ko alam san popokus pero ok din po si video amp ko po

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Re: jvc cw chassis help po masters

Post by Hertz on Wed Oct 14, 2015 9:49 am

Ibig sabihin yata ni Electro ay simulan mo sa main cap at hanggang secondary caps. sali rin ang video cap

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Re: jvc cw chassis help po masters

Post by sherlanmamaril on Wed Oct 14, 2015 1:55 pm

baka ok na ito at least napa on kopa po masters

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Re: jvc cw chassis help po masters

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