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PENSONIC DVD 910 POWER SUPPLY PROBLEM

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AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: Radio, Stereo, DVD Components & other Appliances

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PENSONIC DVD 910 POWER SUPPLY PROBLEM Empty PENSONIC DVD 910 POWER SUPPLY PROBLEM

Post by mannydioneda Wed Mar 23, 2016 4:15 pm

Gud pm po pa help. Putok po yung regulator IC sa powrr supply di na mabasa label at value. Pensonic DVD 910 po ang model.
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Post by alvinquimbo Wed Mar 23, 2016 6:50 pm

sis anong gamit nya na reg?yung ba yan PWM na ic?kung pwm ay common yan sis..nakalimutan ko lang ang part number..or bili ka nalang ng uniboard power supply for dvd...dami ang nagbebenta nyan...bale modify mo nalang at tandaan yung mga supply na kailangan..hope na makatulong..
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Post by alvinquimbo Wed Mar 23, 2016 6:55 pm

tama sis naaalala ko na, viper 22a palayun ang ginagamit na pwm ic..
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Post by mannydioneda Sat Mar 26, 2016 10:12 am

yun na nga nilagay ko eh pumutok ang fuse at nag spark katabing capacitor, 47uf/50v.
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Post by mannydioneda Sat Mar 26, 2016 10:37 am

paano po pala mag post ng picture dito? thanks.
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Post by Electro Mon Mar 28, 2016 11:40 pm

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Post by Electro Mon Mar 28, 2016 11:42 pm

baka yan iyong mga china board master na viper22a ang nakalagay sa orihinal pero hindi pala viper22a. sinadya daw iyan sabi nina master ng taga china para hindi maayos. tignan mo ang pin connection niya master. tapos compare mo sa datasheet. pg hindi pareho ay hindi nga viper22a yan. baka gaya iyan ng mga TNY280
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Post by mannydioneda Wed Mar 30, 2016 3:37 pm

salamat mastet electro may natutunan na naman ako.
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Post by mannydioneda Wed Mar 30, 2016 3:57 pm

https://s1156.photobucket.com/user/Manny_Dioneda/media/Mobile%20Uploads/IMG_20160322_064030_zps1hqtrlva.jpg.html?sort=3&o=0
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Post by mannydioneda Wed Mar 30, 2016 4:04 pm

PENSONIC DVD 910 POWER SUPPLY PROBLEM IMG_20160322_064030_zps1hqtrlva.jpg
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Post by mannydioneda Wed Mar 30, 2016 4:34 pm

PENSONIC DVD 910 POWER SUPPLY PROBLEM IMG_20160322_064030_zps1hqtrlva
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Post by Electro Wed Mar 30, 2016 10:02 pm

hindi ako sigurado master kung ganyan na board ba. check mo na lang master kung magka connect ba ang pin 1, 2, 5, 6, 7 at 8. kasi pag viper22a, connected iyan anim master. iyong pin 3 at 4 naman ay connected naman sa pin 3 at 4 ng optocoupler ic
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Post by mannydioneda Thu Mar 31, 2016 3:23 pm

Salamat master, check ko nalang. Thanks ulit.
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Post by arkin Fri Apr 01, 2016 5:33 pm

@manny:check mo datasheet ng viper 22a kng tugma ba pin ng board.kong preho lng cguro my ibang poblema pa unit mo.check mo rin main filter cap,kc sasabog yong ic kong sira filter n2.
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Post by Electro Mon Apr 04, 2016 12:16 am

tama si master arkin. makakapagsabog din pala ang main cap. nakalimutan ko. +1 kay master arkin
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Post by ultrasonic™ Thu May 05, 2016 11:13 am

agree ako sa mga comment
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Post by mannydioneda Fri Sep 02, 2016 3:32 pm

Thanks sa inyo mga master, pinalitan ko nalang ng ibang power supply, okay na ito.
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Post by ultrasonic™ Sat Oct 08, 2016 11:24 am

may pic pala naka post... hindi ko ito napansin... Sis hindi nga Viper22a yan... SW2604 ang part number nyan... S ang nasa unahan oh...
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Post by DJFEL Thu Nov 24, 2016 1:06 pm

sapol..
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Post by mannydioneda Fri Mar 03, 2017 10:33 am

salamat sa inyo mga master.
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Post by alvinquimbo Sun Mar 12, 2017 4:18 pm

congratulations congratulations congratulations
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