tosunra (universal board) TH2128

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tosunra (universal board) TH2128

Post by Ahmadiloz on Mon Jan 06, 2014 7:53 am

mga master pa help ulit about china board...


ang problema po na ay sinusonog ung fusible resistor ng heater...
ano po kaya probz nito???



salamat po...
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Re: tosunra (universal board) TH2128

Post by ultrasonic™ on Tue Jan 07, 2014 5:19 pm

as in fusible resist ng heater?
bka shorted na ang heater filament ng tube mo sis... try mo nga hinang ang HT pin sa C board.. tignan natin kng masusunog pa ba.. if not.. i mean hndi na masunog... palit ng ibang tube. 

pa ot: hndi kaya abl resist yan...  ^_^

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Re: tosunra (universal board) TH2128

Post by Ahmadiloz on Tue Jan 07, 2014 11:53 pm

shorted nga sis...
may aabot hanggang zero ohm X1...
hahanap daw ang may ari ng ibang pix tube...
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Re: tosunra (universal board) TH2128

Post by Ahmadiloz on Tue Jan 07, 2014 11:54 pm

fusible ng 180V sir
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Re: tosunra (universal board) TH2128

Post by ultrasonic™ on Thu Jan 09, 2014 12:44 pm

para makasiguro ka sis... hinang mo muna ang C board... pag di nasunog... crt/pixtube nga yan...

btw... tanggalin mo ang def yoke ha.. 
para masanay ka sa ganyang method   ^_^

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Re: tosunra (universal board) TH2128

Post by Ahmadiloz on Thu Jan 09, 2014 8:19 pm

ginawa ko nga yan sir...
tapos sinukat ko RGB sa colector pins at heater supply...
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Re: tosunra (universal board) TH2128

Post by Ahmadiloz on Thu Jan 09, 2014 8:22 pm

pero para saan ung pg hang ng def. yoke sir?
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Re: tosunra (universal board) TH2128

Post by ultrasonic™ on Sat Jan 11, 2014 12:39 pm

^ ay sori mali pala ang nasagot ko sis... nalito tuloy kau
pnatanggal ko pala ang C board....

i thought ganito ang scenario
pg tinanggal natin ang def yoke wag iwan nkakabit ang C board
para iwas sibak ng picstube sis... merong mga model na tv na bawal ihinang ang yoke during normal operation... specially kng nasa return ground ang xray prot.. nadidisable kasi yan.. like toshibak, panas at mdami pang iba.. its better na maging HABIT natin ang ganitong pgtroubleshoot sa lhat ng model lalot kng di pa kabisado... para iwas laglag ng def yoke... kng sakali man ^_^

btw... pero AFAIR ok lng sa ganyang model ang pghinang...kaya safe pa rin

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Re: tosunra (universal board) TH2128

Post by Ahmadiloz on Sun Jan 12, 2014 9:29 pm

ok lng sir...

BTW 21' ung tube sir pede ba to palitan ng 14 or 17`inch?
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Re: tosunra (universal board) TH2128

Post by Oscar on Sat Jan 18, 2014 6:24 pm

pwede iyan master. pero ilipat mo ang yoke
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Re: tosunra (universal board) TH2128

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