SONY TV problem

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SONY TV problem

Post by fire on Tue Jan 31, 2012 10:52 am

mga master pa help nmn.no power and no light indicator.i check primary reading is 310v.secondary is 115v.tpos meron ako naririnig na huming sounds.d ko malaman kung ecap b sya pero malapit sa primary ung tunog.tinangal ko na ung fbt pero may huming sounds pa rin.help TY Lovingly yours helen.

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Re: SONY TV problem

Post by zandertech on Mon Feb 06, 2012 12:24 am

sir baka po e.cap yan sa sec0ndary circuit,..ung 160v110uf,.or higher uf,.....or baka po walang supply sa driver mu kaya ganun,....check mu nlng ulet sir,..

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Re: SONY TV problem

Post by ultrasonic™ on Mon Feb 06, 2012 7:09 pm


mlamang my heavy load sa mga LV supply ng SMPT(hula mode) (^_^

basic check nlng muna.. lhat ng out sa PSU... bka my shorted na zener diode or leak parts

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Re: SONY TV problem

Post by ultrasonic™ on Mon Feb 06, 2012 7:11 pm



pwde din sa sound amp. hula rin (^_^

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Re: SONY TV problem

Post by samiel on Mon Feb 06, 2012 7:25 pm

ano model number ng unit

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Re: SONY TV problem

Post by Electro on Wed Feb 22, 2012 4:28 pm



oo nga master fire. ano model number ng tv?

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Re: SONY TV problem

Post by zandertech on Fri Mar 02, 2012 8:45 pm

Ou nga kadalasan may shortage or leakage sa secondary circiut,,check mu po sir mga regulator kung mer0n man,.

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Re: SONY TV problem

Post by batmantech on Mon Mar 19, 2012 9:54 pm

waiting

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Re: SONY TV problem

Post by arkin on Tue Mar 20, 2012 7:16 am

my b+ ba sa fbt?my mga sony kc na my ic protector.kadalasan dyan nagkamali ibang technician.pki chek lng yong power led,f magblink ba kong e power up ang main switch.

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Re: SONY TV problem

Post by bjohn798 on Tue Mar 20, 2012 5:30 pm

master arkin saan po ba nakalagay ang ic protector? nasa between ba to ng primary at secondary power supply?

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Re: SONY TV problem

Post by arkin on Wed Mar 21, 2012 12:27 pm

nasa b+ yan,115volts ptungng flyback.prang cyang 2 pin transistor..

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Re: SONY TV problem

Post by Electro on Wed Mar 21, 2012 6:19 pm


parang nakita ko na iyan master sa mga sony. transistor ang mukha pero dalawa lang ang paa. para siyang fuse na nag oopen lage

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Re: SONY TV problem

Post by samiel on Wed Mar 21, 2012 9:22 pm

ic link ata tawag nyan sa sony...pero ang function nya fuse lang talaga.

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Re: SONY TV problem

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