Ace dvd power problem

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Ace dvd power problem

Post by geof79 on Mon Sep 26, 2016 10:18 am

Pa help nman d2 sa mga master na mkpg ol. Prob kc n2 un 5v nya nsa 4v lng, taz un 12v eh 10v nlng. Pg e power umiilaw lng un led, pero wlang display. Cnub0kan ko ng aus na power supply at gumana nga. Anu kya cra pg gni2 mbaba un supply?

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Re: Ace dvd power problem

Post by ultrasonic™ on Mon Sep 26, 2016 2:26 pm

check mo ang feedback circuit sis.. sa gawing TL431 or Opto coupler

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Re: Ace dvd power problem

Post by geof79 on Mon Sep 26, 2016 7:16 pm

Cnub0kan ko ng plitan i2 ng opto coupler taz un tl431. Pero ganun pa rin sir ultra.

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Re: Ace dvd power problem

Post by ultrasonic™ on Tue Sep 27, 2016 9:52 am

buo ba lahat ng resistor at mga ecap lalo na ang mga reservior/filter caps.. hindi ba humihinga ang mga output voltage niya?

check mo nga sis ang feedback winding ng SMPT trafo.. baka open yan.. may makikita ka dyan na magkalapit na coil sa secondary kung saan naka attach ang feedback circuit (going to opto & tl431)

pag buo yan lahat hatol ko dyan ay power management na or known as regulator ic / pwm

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Re: Ace dvd power problem

Post by geof79 on Tue Sep 27, 2016 1:32 pm

Ok sir ultra, check ko nlng ulit. D man humihinga ang voltage output. Mbaba lng tlga. Pag buo ba lahat sa sec0ndary e pwdng viper22a na ang my damage?

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Re: Ace dvd power problem

Post by Electro on Wed Sep 28, 2016 10:51 am

pwede yan nga dahilan master. nakasubok nako niyan. viper lang ang sira o kaya iyong main capacitor.

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Re: Ace dvd power problem

Post by Electro on Wed Sep 28, 2016 10:52 am

palitan mo na lang ng buong power supply board master mura na lang iyan ngayon. halos pantay lang sila ng price ng viper22a

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Re: Ace dvd power problem

Post by geof79 on Wed Sep 28, 2016 11:37 pm

Ganun ba master electro? Mas mainam nga cguro na bu0ng power supply nlng ipalit kung mgka price lng ng viper. My nkta ak0ng cra un 104 smay tl431 pero ng plitan ko wla pa rin pnagbago. Tnx sa reply mga master.

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Re: Ace dvd power problem

Post by ultrasonic™ on Thu Sep 29, 2016 12:44 pm

may point si jeff.. halos pantay na tlga ang price nya... 95 petot ata dito sa davao iyan viper22a at nasa 110 petot naman ang whole smps board

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Re: Ace dvd power problem

Post by arkin on Thu Sep 29, 2016 5:29 pm

kong mababa talaga ang 5 at 12v,pro normal naman kapag wlang load,malamang viper 22a nga poblema dyan.sobrang mahal nman ng viper dyan,nasa 20-25 pesos lng dto sa cebu nyan.

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Re: Ace dvd power problem

Post by ultrasonic™ on Thu Sep 29, 2016 6:21 pm

^ wow mas mura pala dyan sa inyo Sis Arkin.

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Re: Ace dvd power problem

Post by geof79 on Fri Sep 30, 2016 2:00 am

Wow tlga mga master. Mura nga jan sa lugar nyo. D2 kc smin 250 yan viper22a. Kya pg un ang nccra sa dvd mjo mbgat na sa bulsa ng c0s2mer.

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Re: Ace dvd power problem

Post by geof79 on Fri Sep 30, 2016 12:10 pm

Pwd ko nrin cguro sma di2 same ace dvd rin kc taz power din cra n2ng isa. Gnamit dw sa generator, pg bukas ko nga lobo ang main ecap taz my tagas. Taz pancn ko lng un viper22a n0t conected un pin 1,4 at 6. Ska un papuntang opto coupler nya pin 3 taz 5. Ito kya un cnsbing nli2his ng # para d maaus? Kumpara sa ibang viper na mgka2sma un 5,6,7,8 at ang pin 3 and 4 ang drtso sa opto.

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Re: Ace dvd power problem

Post by ultrasonic™ on Fri Sep 30, 2016 2:12 pm

^ grabi mas mahal pala dyan ang viper.. Sa supplier ng parts yata tayo nagkakatalo ng price   ^_^
buti pa sina sis arkin. ang mura

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Re: Ace dvd power problem

Post by arkin on Sat Oct 01, 2016 9:11 am

Kong halos pantay lng presyo ng psu board at viper 22,talagang magkatamaran Ng magtroubleshot mga tech dyan..^_^..

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Re: Ace dvd power problem

Post by ultrasonic™ on Sat Oct 01, 2016 1:29 pm

sinabi mo pa sis... kaya dumami ang mga tamad dito.. hahahhaa

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Re: Ace dvd power problem

Post by geof79 on Sat Oct 01, 2016 11:54 pm

Kya nga dpat mas mahal pa rin ang psu board para d aasa sa palit buo ang mga tech. Pero kung d lng nman viper ang cra at mas la2mang pa sa presyo ng 1 psu board ang mgagas2s eh san kpa? Hehehe

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