pahelp naman po (aiwa tv-cn143NH)

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pahelp naman po (aiwa tv-cn143NH)

Post by daredevil on Mon Jun 08, 2015 8:42 pm

may audio po sya ok ang horiz. output voltage..ang problema ko po walang picture bale nawawala wala po supply ng heater then wala ring G2 supply na around 250-300vdc wala din po ako masukat yung wire ng flyback na para sa G2 deretso na sya sa pin crt socket posible po kayang sira flyback nito??? need  help please sa mga maestro natin jan thanks po...

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by Electro on Mon Jun 08, 2015 10:44 pm

master nawawala ang oscillation mo niyan. pwede protect yan. check mo master ang 9v ng chroma ic. check rin ang hdt circuit

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by daredevil on Wed Jun 10, 2015 9:46 am

anu po possible na problem master mga diodes? sa mismong chroma board po ba master?

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by Electro on Fri Jun 12, 2015 2:17 pm

pwede nga yan master. mga zener diodes baka may nag short o nagleak.

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by Electro on Fri Jun 12, 2015 2:18 pm

dapat kasi master. ok ang hdt circuit mo master para magkaroon ka ng oscillation

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by daredevil on Fri Jun 12, 2015 4:31 pm

ok master electro ichecheck ko pomga zener diodes netoon and off ang heater eh..nawawala nga po oscillation...

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by triac on Tue Jun 16, 2015 5:35 pm

check mo lahat ng secondary voltage master kung kompleto lahat para malaman kung saan ang nagloloko...

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by Hertz on Sun Jun 21, 2015 8:43 pm

voltage test mo muna

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Re: pahelp naman po (aiwa tv-cn143NH)

Post by Electro on Tue Jun 23, 2015 4:03 pm

tama tama. voltage test master. tapos mo master.

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Re: pahelp naman po (aiwa tv-cn143NH)

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